KR20210122625A - Electronic device for performing edge computing service and a method for the same - Google Patents

Abstract

The present invention relates to an electronic device for performing an edge computing service to select a third server capable of providing a service of the best quality and an operation method thereof. According to various embodiments of the present invention, the electronic device comprises: a memory for storing applications and/or edge enabler clients (EECs); a communication circuit for use in a communication connection between the electronic device and a first server, a second server, and/or a third server existing outside the electronic device via a base station; and a processor. The application is set to perform one or more functions corresponding to an application capable of being executed in the third server on the electronic device. The processor is set to receive access information of the second server for accessing the second server from the first server; receive access information of the third server from each of a plurality of second servers accessed on the basis of the access information of the second server; in response to the application's service connection request using the third server, identify at least one third server capable of providing a service on the basis of the access information of the third server; in response to confirming that there are a plurality of third servers capable of providing the service, select a third server, to which access is requested, from the plurality of third servers on the basis of the priority of the plurality of second servers included in the access information of the second server; and perform the service by using the selected third server. Various other embodiments are possible.

Description

ELECTRONIC DEVICE FOR PERFORMING EDGE COMPUTING SERVICE AND A METHOD FOR THE SAME

Various embodiments of the present disclosure relate to an electronic device and an operating method of the electronic device, and to an electronic device performing an edge computing service.

As various electronic devices such as a smart phone, a tablet PC, a portable multimedia player (PMP), a personal digital assistant (PDA), a laptop personal computer, and a wearable device become popular, , various wireless communication technologies that are used for various electronic devices to perform communication are being developed.

Efforts are being made to develop a 5G communication system to meet the increasing demand for wireless data traffic after the commercialization of the 4G communication system. For this reason, the 5G communication system is called a system after the 4G network (Beyond 4G Network) communication system or after the LTE system (Post LTE). In order to achieve high data rates, 5G communication systems are being considered for implementation in higher frequency bands (such as, for example, 60 gigabytes (60 GHz) bands) in addition to the bands below 6G. In the 5G communication system, beamforming, massive MIMO, Full Dimensional MIMO (FD-MIMO), array antenna, analog beam-forming, and large scale antenna technologies are being discussed.

In the 5G communication system, various techniques have been proposed and implemented in order to implement a reduction in transmission time or a reduction in delay time. Among the implemented technologies, the edge computing service implements an edge network system in an area close to the base station, and an electronic device connected to the base station can receive various services using the edge network system implemented in an area close to the base station. . Edge computing services can reduce the distance between a user's electronic device and the network.

When there are a plurality of servers capable of providing the same edge computing service, the electronic device capable of performing the edge computing service may select a server capable of providing the edge computing service. The electronic device does not have a technology implemented to select which server from among the plurality of servers. A phenomenon in which the electronic device selects a server providing a service of relatively low quality instead of a server capable of providing a service of relatively high quality may occur.

The electronic device capable of performing the edge computing service may search for a server capable of providing the edge computing service through an edge service discovery procedure. When a not instantiated server is found, a phenomenon may occur in which it is difficult for the electronic device to determine whether a deactivated server is found, and further, there is no specific technique for activating the deactivated server, A phenomenon may occur that cannot perform edge computing services.

When the connection information of the server capable of providing the edge computing service has expired, there is no specific description of how to update the connection information. Accordingly, when the electronic device capable of performing the edge computing service has expired access information of the server capable of providing the edge computing service, a phenomenon may occur that cannot access the server by using the unrenewed connection information.

An electronic device according to various embodiments of the present disclosure includes a memory for storing an application and/or an edge enabler client (EEC); a communication circuit for use in a communication connection between the electronic device and a first server, a second server and/or a third server external to the electronic device via a base station; and a processor, wherein the application is configured to perform one or more functions corresponding to an application that can be executed in the third server on the electronic device, and the processor is configured to connect the second server from the first server. Receive connection information of the second server, receive connection information of a third server from each of a plurality of second servers accessed based on the connection information of the second server, and service connection using the third server of the application In response to a request, in response to identifying at least one or more third servers capable of providing the service based on access information of the third server, and confirming that there are a plurality of third servers capable of providing the service , selecting a third server to request access from among the plurality of third servers based on the priority of the plurality of second servers included in the access information of the second server, and using the selected third server It can be set to perform a service.

An electronic device according to various embodiments of the present disclosure includes a memory for storing an application and/or an edge enabler client (EEC); a communication circuit for use in a communication connection between the electronic device and a first server, a second server and/or a third server external to the electronic device via a base station; and a processor, wherein the application is configured to perform one or more functions corresponding to an application that can be executed in the third server on the electronic device, and the processor is configured to connect the second server from the first server. Receives the access information of the second server, transmits an edge service discovery request message requesting access information of the third server to the second server based on the access information of the second server, and sends an edge service discovery response message to the Received from the second server, and in response to a service connection request using the third server of the application, check whether a part of the information necessary for accessing the third server among the above is present in the edge service discovery response message, , in response to confirming that a part of the information necessary for accessing the third server does not exist in the edge service discovery response message, it may be configured to transmit a message for activating the third server to the second server. .

An electronic device according to various embodiments of the present disclosure includes a memory for storing an application and/or an edge enabler client (EEC); a communication circuit for use in a communication connection between the electronic device and a first server, a second server and/or a third server external to the electronic device via a base station; and a processor, wherein the application is configured to perform one or more functions corresponding to an application executable in the third server on the electronic device, and the processor is configured to perform a second connection from a first server to a second server. Receives access information of the server, transmits an edge service discovery message requesting access information of the third server to the second server based on the access information of the second server, and transmits the access information of the third server to the second server Received from the second server and in response to a service connection request using the third server of the application, it is determined whether the access information of the third server has expired or not, a time to live (TTL) included in the access information of the third server In response to confirming based on the information and confirming that the access information of the third server has expired, the edge service discovery message may be configured to be transmitted back to the second server.

A method of operating an electronic device according to various embodiments of the present disclosure may include: receiving, from a first server, access information of a second server for accessing a second server; receiving access information of a third server from each of a plurality of second servers accessed based on the access information of the second server; in response to a service connection request using the third server of an application, identifying at least one or more third servers capable of providing the service based on access information of the third server; In response to confirming that there are a plurality of third servers capable of providing the service, access from among the plurality of third servers based on the priority of the plurality of second servers included in the access information of the second server selecting a third server to request; and performing the service by using the selected third server.

An electronic device and a method of operating an electronic device according to various embodiments of the present disclosure provide relatively high performance by selecting a third server to connect to based on priority information of a second server, which is determined based on performance information of the third server. It can be connected to a third server with Accordingly, the electronic device and the method of operating the electronic device may select a third server capable of providing the highest quality service.

An electronic device and an operating method of the electronic device according to various embodiments of the present disclosure enable the third server to be activated through a method of retransmitting an edge service discovery request message including information indicating an inactive third server. can Accordingly, the electronic device and the method of operating the electronic device may reduce a phenomenon in which an edge computing service cannot be performed due to a failure in access to a deactivated third server.

The electronic device and the method of operating the electronic device according to various embodiments of the present disclosure may determine the validity of the access information of the third server based on the expiration time of the access information of the third server. When the access information of the third server is invalid, the electronic device and the method of operation of the electronic device may receive valid access information of the third server 530 through a method of retransmitting an edge service discovery request message, and It is possible to reduce the phenomenon that edge computing service cannot be performed, which is caused by using connection information that has not been accessed.

1 is a block diagram of an electronic device according to various embodiments of the present disclosure;
2 is a block diagram of an electronic device according to various embodiments of the present disclosure;
3 is a block diagram illustrating a program according to various embodiments of the present invention.
4 is a block diagram illustrating a network system according to various embodiments of the present invention.
5 is a diagram illustrating an electronic device and an edge network according to various embodiments of the present disclosure;
6 is a diagram illustrating an embodiment in which an electronic device selects one third server from among a plurality of third servers according to various embodiments of the present disclosure;
7 is an operation flowchart illustrating an operation in which an electronic device selects one third server from among a plurality of third servers according to various embodiments of the present disclosure;
8 is a diagram illustrating an embodiment in which an electronic device activates a third server using an edge service discovery request message transmission according to various embodiments of the present disclosure.
9 is an operation flowchart illustrating an operation of an electronic device activating a third server using transmission of an edge service discovery request message according to various embodiments of the present disclosure;
10 is a diagram illustrating an embodiment in which an electronic device transmits an edge service discovery request message according to whether access information of a third server has expired, according to various embodiments of the present disclosure;
11 is a flowchart illustrating an operation in which an electronic device transmits an edge service discovery request message according to whether access information of a third server has expired, according to various embodiments of the present disclosure;
12 is an operation flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.

1 is a block diagram of an electronic device 101 in a network environment 100 according to various embodiments. Referring to FIG. 1 , in a network environment 100 , an electronic device 101 communicates with an electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or a second network 199 . It may communicate with the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 . According to an embodiment, the electronic device 101 includes a processor 120 , a memory 130 , an input device 150 , a sound output device 155 , a display device 160 , an audio module 170 , and a sensor module ( 176 , interface 177 , haptic module 179 , camera module 180 , power management module 188 , battery 189 , communication module 190 , subscriber identification module 196 , or antenna module 197 . ) may be included. In some embodiments, at least one of these components (eg, the display device 160 or the camera module 180 ) may be omitted or one or more other components may be added to the electronic device 101 . In some embodiments, some of these components may be implemented as one integrated circuit. For example, the sensor module 176 (eg, a fingerprint sensor, an iris sensor, or an illuminance sensor) may be implemented while being embedded in the display device 160 (eg, a display).

The processor 120, for example, executes software (eg, a program 140) to execute at least one other component (eg, a hardware or software component) of the electronic device 101 connected to the processor 120 . It can control and perform various data processing or operations. According to one embodiment, as at least part of data processing or operation, the processor 120 converts commands or data received from other components (eg, the sensor module 176 or the communication module 190 ) to the volatile memory 132 . may be loaded into the volatile memory 132 , process commands or data stored in the volatile memory 132 , and store the resulting data in the non-volatile memory 134 . According to an embodiment, the processor 120 includes a main processor 121 (eg, a central processing unit or an application processor), and a secondary processor 123 (eg, a graphics processing unit, an image signal processor) that can be operated independently or in conjunction with the main processor 121 . , a sensor hub processor, or a communication processor). Additionally or alternatively, the auxiliary processor 123 may be configured to use less power than the main processor 121 or to be specialized for a designated function. The auxiliary processor 123 may be implemented separately from or as a part of the main processor 121 .

The auxiliary processor 123 may be, for example, on behalf of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or when the main processor 121 is active (eg, executing an application). ), together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display device 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states. According to an embodiment, the coprocessor 123 (eg, an image signal processor or a communication processor) may be implemented as part of another functionally related component (eg, the camera module 180 or the communication module 190). have.

The memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176 ) of the electronic device 101 . The data may include, for example, input data or output data for software (eg, the program 140 ) and instructions related thereto. The memory 130 may include a volatile memory 132 or a non-volatile memory 134 .

The program 140 may be stored as software in the memory 130 , and may include, for example, an operating system 142 , middleware 144 , or an application 146 .

The input device 150 may receive a command or data to be used by a component (eg, the processor 120 ) of the electronic device 101 from the outside (eg, a user) of the electronic device 101 . The input device 150 may include, for example, a microphone, a mouse, a keyboard, or a digital pen (eg, a stylus pen).

The sound output device 155 may output a sound signal to the outside of the electronic device 101 . The sound output device 155 may include, for example, a speaker or a receiver. The speaker can be used for general purposes such as multimedia playback or recording playback, and the receiver can be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from or as part of the speaker.

The display device 160 may visually provide information to the outside (eg, a user) of the electronic device 101 . The display device 160 may include, for example, a display, a hologram device, or a projector and a control circuit for controlling the corresponding device. According to an embodiment, the display device 160 may include a touch circuitry configured to sense a touch or a sensor circuit (eg, a pressure sensor) configured to measure the intensity of a force generated by the touch. have.

The audio module 170 may convert a sound into an electric signal or, conversely, convert an electric signal into a sound. According to an embodiment, the audio module 170 acquires a sound through the input device 150 , or an external electronic device (eg, a sound output device 155 ) connected directly or wirelessly with the electronic device 101 . The sound may be output through the electronic device 102 (eg, a speaker or a headphone).

The sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, user state), and generates an electrical signal or data value corresponding to the sensed state. can do. According to an embodiment, the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, a humidity sensor, or an illuminance sensor.

The interface 177 may support one or more designated protocols that may be used for the electronic device 101 to directly or wirelessly connect with an external electronic device (eg, the electronic device 102 ). According to an embodiment, the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

The connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102 ). According to an embodiment, the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).

The haptic module 179 may convert an electrical signal into a mechanical stimulus (eg, vibration or movement) or an electrical stimulus that the user can perceive through tactile or kinesthetic sense. According to an embodiment, the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

The camera module 180 may capture still images and moving images. According to an embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.

The power management module 188 may manage power supplied to the electronic device 101 . According to an embodiment, the power management module 388 may be implemented as, for example, at least a part of a power management integrated circuit (PMIC).

The battery 189 may supply power to at least one component of the electronic device 101 . According to one embodiment, battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.

The communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). It can support establishment and communication through the established communication channel. The communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication. According to one embodiment, the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : It may include a local area network (LAN) communication module, or a power line communication module). Among these communication modules, a corresponding communication module is a first network 198 (eg, a short-range communication network such as Bluetooth, WiFi direct, or IrDA (infrared data association)) or a second network 199 (eg, a cellular network, the Internet, or It may communicate with an external electronic device via a computer network (eg, a telecommunication network such as a LAN or WAN). These various types of communication modules may be integrated into one component (eg, a single chip) or may be implemented as a plurality of components (eg, multiple chips) separate from each other. The wireless communication module 192 uses the subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199 . The electronic device 101 may be identified and authenticated.

The antenna module 197 may transmit or receive a signal or power to the outside (eg, an external electronic device). According to an embodiment, the antenna module may include one antenna including a conductor formed on a substrate (eg, a PCB) or a radiator formed of a conductive pattern. According to an embodiment, the antenna module 197 may include a plurality of antennas. In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is connected from the plurality of antennas by, for example, the communication module 190 . can be selected. A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna. According to some embodiments, other components (eg, RFIC) other than the radiator may be additionally formed as a part of the antenna module 197 .

At least some of the components are connected to each other through a communication method between peripheral devices (eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)) and a signal ( e.g. commands or data) can be exchanged with each other.

According to an embodiment, the command or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 . Each of the electronic devices 102 and 104 may be the same or a different type of the electronic device 101 . According to an embodiment, all or part of the operations performed by the electronic device 101 may be executed by one or more of the external electronic devices 102 , 104 , or 108 . For example, when the electronic device 101 needs to perform a function or service automatically or in response to a request from a user or other device, the electronic device 101 may perform the function or service itself instead of executing the function or service itself. Alternatively or additionally, one or more external electronic devices may be requested to perform at least a part of the function or the service. The one or more external electronic devices that have received the request may execute at least a part of the requested function or service, or an additional function or service related to the request, and transmit a result of the execution to the electronic device 101 . The electronic device 101 may process the result as it is or additionally and provide it as at least a part of a response to the request. For this purpose, for example, cloud computing, distributed computing, or client-server computing technology may be used.

2 is a block diagram 200 of an electronic device 101 for supporting legacy network communication and 5G network communication, according to various embodiments. Referring to FIG. 2 , the electronic device 101 includes a first communication processor 212 , a second communication processor 214 , a first radio frequency integrated circuit (RFIC) 222 , a second RFIC 224 , and a third RFIC 226 , a fourth RFIC 228 , a first radio frequency front end (RFFE) 232 , a second RFFE 234 , a first antenna module 242 , a second antenna module 244 , and an antenna (248). The electronic device 101 may further include a processor 120 and a memory 130 . The network 199 may include a first network 292 and a second network 294 . According to another embodiment, the electronic device 101 may further include at least one component among the components illustrated in FIG. 1 , and the network 199 may further include at least one other network. According to one embodiment, a first communication processor 212 , a second communication processor 214 , a first RFIC 222 , a second RFIC 224 , a fourth RFIC 228 , a first RFFE 232 , and the second RFFE 234 may form at least a part of the wireless communication module 192 . According to another embodiment, the fourth RFIC 228 may be omitted or may be included as a part of the third RFIC 226 .

The first communication processor 212 may support establishment of a communication channel of a band to be used for wireless communication with the first network 292 and legacy network communication through the established communication channel. According to various embodiments, the first network may be a legacy network including a second generation (2G), 3G, 4G, or long term evolution (LTE) network. The second communication processor 214 establishes a communication channel corresponding to a designated band (eg, about 6 GHz to about 60 GHz) among bands to be used for wireless communication with the second network 294, and 5G network communication through the established communication channel can support According to various embodiments, the second network 294 may be a 5G network defined by 3GPP. Additionally, according to an embodiment, the first communication processor 212 or the second communication processor 214 is configured to correspond to another designated band (eg, about 6 GHz or less) among bands to be used for wireless communication with the second network 294 . It is possible to support the establishment of a communication channel, and 5G network communication through the established communication channel. According to one embodiment, the first communication processor 212 and the second communication processor 214 may be implemented in a single chip or a single package. According to various embodiments, the first communication processor 212 or the second communication processor 214 may be formed in a single chip or a single package with the processor 120 , the coprocessor 123 , or the communication module 190 . have.

The first RFIC 222, when transmitting, transmits a baseband signal generated by the first communication processor 212 to about 700 MHz to about 3 GHz used in the first network 292 (eg, a legacy network). can be converted to a radio frequency (RF) signal of Upon reception, an RF signal is obtained from a first network 292 (eg, a legacy network) via an antenna (eg, a first antenna module 242 ), and via an RFFE (eg, a first RFFE 232 ). It can be preprocessed. The first RFIC 222 may convert the preprocessed RF signal into a baseband signal to be processed by the first communication processor 212 .

The second RFIC 224, when transmitting, transmits the baseband signal generated by the first communication processor 212 or the second communication processor 214 to the second network 294 (eg, a 5G network). It can be converted into an RF signal (hereinafter, 5G Sub6 RF signal) of the Sub6 band (eg, about 6 GHz or less). Upon reception, a 5G Sub6 RF signal is obtained from a second network 294 (eg, 5G network) via an antenna (eg, second antenna module 244 ), and RFFE (eg, second RFFE 234 ) can be pre-processed. The second RFIC 224 may convert the preprocessed 5G Sub6 RF signal into a baseband signal to be processed by a corresponding one of the first communication processor 212 or the second communication processor 214 .

The third RFIC 226 transmits the baseband signal generated by the second communication processor 214 to the RF of the 5G Above6 band (eg, about 6 GHz to about 60 GHz) to be used in the second network 294 (eg, 5G network). It can be converted into a signal (hereinafter referred to as 5G Above6 RF signal). Upon reception, a 5G Above6 RF signal may be obtained from the second network 294 (eg, 5G network) via an antenna (eg, antenna 248 ) and pre-processed via a third RFFE 236 . The third RFIC 226 may convert the preprocessed 5G Above6 RF signal into a baseband signal to be processed by the second communication processor 214 . According to one embodiment, the third RFFE 236 may be formed as part of the third RFIC 226 .

According to an embodiment, the electronic device 101 may include the fourth RFIC 228 separately from or as at least a part of the third RFIC 226 . In this case, the fourth RFIC 228 converts the baseband signal generated by the second communication processor 214 into an RF signal (hereinafter, IF signal) of an intermediate frequency band (eg, about 9 GHz to about 11 GHz). After conversion, the IF signal may be transmitted to the third RFIC 226 . The third RFIC 226 may convert the IF signal into a 5G Above6 RF signal. Upon reception, a 5G Above6 RF signal may be received from the second network 294 (eg, 5G network) via an antenna (eg, antenna 248 ) and converted into an IF signal by a third RFIC 226 . . The fourth RFIC 228 may convert the IF signal into a baseband signal for processing by the second communication processor 214 .

According to one embodiment, the first RFIC 222 and the second RFIC 224 may be implemented as a single chip or at least a part of a single package. According to an embodiment, the first RFFE 232 and the second RFFE 234 may be implemented as at least a part of a single chip or a single package. According to an example, at least one antenna module of the first antenna module 242 or the second antenna module 244 may be omitted or may be combined with another antenna module to process RF signals of a plurality of corresponding bands.

According to an embodiment, the third RFIC 226 and the antenna 248 may be disposed on the same substrate to form the third antenna module 246 . For example, the wireless communication module 192 or the processor 120 may be disposed on the first substrate (eg, main PCB). In this case, the third RFIC 226 is located in a partial area (eg, the bottom surface) of the second substrate (eg, sub PCB) that is separate from the first substrate, and the antenna 248 is located in another partial region (eg, the top surface). is disposed, the third antenna module 246 may be formed. By disposing the third RFIC 226 and the antenna 248 on the same substrate, it is possible to reduce the length of the transmission line therebetween. This, for example, can reduce loss (eg, attenuation) of a signal in a high-frequency band (eg, about 6 GHz to about 60 GHz) used for 5G network communication by a transmission line. Accordingly, the electronic device 101 may improve the quality or speed of communication with the second network 294 (eg, a 5G network).

According to an example, the antenna 248 may be formed as an antenna array including a plurality of antenna elements that can be used for beamforming. In this case, the third RFIC 226 may include, for example, as a part of the third RFFE 236 , a plurality of phase shifters 238 corresponding to a plurality of antenna elements. During transmission, each of the plurality of phase shifters 238 may transform the phase of a 5G Above6 RF signal to be transmitted to the outside of the electronic device 101 (eg, a base station of a 5G network) through a corresponding antenna element. . Upon reception, each of the plurality of phase shifters 238 may convert the phase of the 5G Above6 RF signal received from the outside through a corresponding antenna element into the same or substantially the same phase. This enables transmission or reception through beamforming between the electronic device 101 and the outside.

The second network 294 (eg, 5G network) may be operated independently (eg, Stand-Alone (SA)) or connected to the first network 292 (eg, legacy network) (eg: Non-Stand Alone (NSA)). For example, the 5G network may have only an access network (eg, 5G radio access network (RAN) or next generation RAN (NG RAN)) and no core network (eg, next generation core (NGC)). In this case, after accessing the access network of the 5G network, the electronic device 101 may access an external network (eg, the Internet) under the control of a core network (eg, evolved packed core (EPC)) of the legacy network. Protocol information for communication with a legacy network (eg, LTE protocol information) or protocol information for communication with a 5G network (eg, New Radio (NR) protocol information) is stored in the memory 230 , and other components (eg, processor 120 , the first communication processor 212 , or the second communication processor 214 ).

3 is a block diagram 300 illustrating a program 140 in accordance with various embodiments. According to an embodiment, the program 140 executes an operating system 142 , middleware 144 , or an application 146 executable in the operating system 142 for controlling one or more resources of the electronic device 101 . may include Operating system 142 may include, for example, Android™, iOS™, Windows™, Symbian™, Tizen™, or Bada™. At least some of the programs 140 are, for example, preloaded into the electronic device 101 at the time of manufacture, or an external electronic device (eg, the electronic device 102 or 104 ), or a server (eg, the electronic device 102 or 104 ) when used by a user ( 108)), or may be updated.

The operating system 142 may control management (eg, allocation or retrieval) of one or more system resources (eg, a process, memory, or power) of the electronic device 101 . The operating system 142 may additionally or alternatively include other hardware devices of the electronic device 101 , for example, the input device 150 , the sound output device 155 , the display device 160 , and the audio module 170 . , sensor module 176 , interface 177 , haptic module 179 , camera module 180 , power management module 188 , battery 189 , communication module 190 , subscriber identification module 196 , or It may include one or more driver programs for driving the antenna module 197 .

The middleware 144 may provide various functions to the application 146 so that functions or information provided from one or more resources of the electronic device 101 may be used by the application 146 . The middleware 144 includes, for example, an application manager 301 , a window manager 303 , a multimedia manager 305 , a resource manager 307 , a power manager 309 , a database manager 311 , and a package manager 313 . ), a connectivity manager 315 , a notification manager 317 , a location manager 319 , a graphics manager 321 , a security manager 323 , a call manager 325 , or a voice recognition manager 327 . can

The application manager 301 may manage the life cycle of the application 146 , for example. The window manager 303 may manage one or more GUI resources used in a screen, for example. The multimedia manager 305, for example, identifies one or more formats required for playback of media files, and encodes or decodes a corresponding media file among the media files using a codec suitable for the selected format. can be done The resource manager 307 may manage the space of the source code of the application 146 or the memory of the memory 130 , for example. The power manager 309 may, for example, manage the capacity, temperature, or power of the battery 189 , and determine or provide related information necessary for the operation of the electronic device 101 by using the corresponding information. . According to an embodiment, the power manager 309 may interwork with a basic input/output system (BIOS) (not shown) of the electronic device 101 .

The database manager 311 may create, retrieve, or modify a database to be used by the application 146 , for example. The package manager 313 may manage installation or update of an application distributed in the form of a package file, for example. The connectivity manager 315 may manage, for example, a wireless connection or a direct connection between the electronic device 101 and an external electronic device. The notification manager 317 may provide, for example, a function for notifying the user of the occurrence of a specified event (eg, an incoming call, a message, or an alarm). The location manager 319 may manage location information of the electronic device 101 , for example. The graphic manager 321 may manage, for example, one or more graphic effects to be provided to a user or a user interface related thereto.

Security manager 323 may provide, for example, system security or user authentication. The telephony manager 325 may manage, for example, a voice call function or a video call function provided by the electronic device 101 . The voice recognition manager 327 transmits, for example, the user's voice data to the server 108, and based at least in part on the voice data, a command corresponding to a function to be performed in the electronic device 101; Alternatively, the converted text data may be received from the server 108 based at least in part on the voice data. According to an embodiment, the middleware 344 may dynamically delete some existing components or add new components. According to an embodiment, at least a portion of the middleware 144 may be included as a part of the operating system 142 or implemented as software separate from the operating system 142 .

Application 146 includes, for example, home 351 , dialer 353 , SMS/MMS 355 , instant message (IM) 357 , browser 359 , camera 361 , alarm 363 . , contact 365, voice recognition 367, email 369, calendar 371, media player 373, album 375, watch 377, health 379 (such as exercise or blood sugar) measuring biometric information), or environment information 381 (eg, measuring atmospheric pressure, humidity, or temperature information). According to an embodiment, the application 146 may further include an information exchange application (not shown) capable of supporting information exchange between the electronic device 101 and an external electronic device. The information exchange application may include, for example, a notification relay application configured to transmit specified information (eg, call, message, or alarm) to an external electronic device, or a device management application configured to manage the external electronic device. have. The notification relay application, for example, transmits notification information corresponding to a specified event (eg, mail reception) generated in another application (eg, the email application 369 ) of the electronic device 101 to the external electronic device. can Additionally or alternatively, the notification relay application may receive notification information from the external electronic device and provide it to the user of the electronic device 101 .

The device management application is, for example, a power source (eg, turn-on or turn on) of an external electronic device that communicates with the electronic device 101 or some components thereof (eg, the display device 160 or the camera module 180 ). -off) or a function (eg, brightness, resolution, or focus of the display device 160 or the camera module 180 ) may be controlled. The device management application may additionally or alternatively support installation, deletion, or update of an application operating in an external electronic device.

4 is a block diagram illustrating a network system according to various embodiments of the present invention.

4 illustrates a network system for the electronic device 400 to use the edge network system.

Referring to FIG. 4 , according to various embodiments of the present disclosure, a network system includes an electronic device (eg, the electronic device 101 of FIG. 1 ) 400 , a base station 410 , a core network 420 , and a server 430 . ) and/or an edge network system 500 .

The electronic device 400 according to various embodiments of the present disclosure may receive data provided by the server 430 or transmit data to the server 430 through the base station 410 and the core network 420 . The server 430 may be a server existing outside a network (eg, a network including the base station 410 and the core network 420 ) operated by the cellular communication service provider (eg, the Internet network). According to an embodiment, the operating entity of the server 430 may be a different operator from the cellular communication operator.

In various embodiments of the present disclosure, the electronic device 400 may transmit or receive control data or user data with the base station 410 while performing cellular communication. The cellular communication may refer to any one communication method among various cellular communication methods that the electronic device 400 can support. For example, cellular communication is a cellular communication (eg, long-term evolution (LTE), LTE-advanced (LTE-A), LTE-A through a first network (eg, the first network 192 of FIG. 1 ). pro (LTE Advanced pro)) or cellular communication (eg, 5G on below 6GHz, or 5G on above 6GHz) through a second network (eg, the second network 194 in FIG. 1 ). .

According to various embodiments of the present disclosure, the base station 410 is wirelessly connected to the electronic device 400 , and wired or wirelessly connected to the core network 420 and/or the edge network 500 , and the electronic device 400 . ) and the core network 420 and/or the edge network 500 may form a path for data transmission or reception. The base station 410 may transmit control data or user data transmitted by the core network 420 and/or the edge network 500 to the electronic device 400 . The base station 410 may transmit control data or user data transmitted by the electronic device 400 to the core network 420 and/or the edge network 500 . The control data may refer to data for controlling various operations through cellular communication of the electronic device 400 . The user data may refer to IP data transmitted through cellular communication of the electronic device 400 . For example, the base station 410 may be defined as an eNB (or eNodeB) in the 4G mobile communication scheme and a gNB (or gNodeB) in the 5G mobile communication scheme.

According to various embodiments of the present disclosure, the core network 420 includes various functions using cellular communication used by the electronic device 400 (eg, call connection, IP data processing, electronic device 400 authentication, electronic device 400 ). may perform billing processing for a cellular communication service used by the user, management of mobility of the electronic device 400 or connection of the electronic device 400 to an external network). The core network 420 may be defined as an evolved packet core (EPC) in the 4th generation mobile communication method and as a 5 generation core (5GC) in the 5th generation mobile communication method.

According to various embodiments of the present disclosure, the core network 420 supporting 5G mobile communication may support various functions (eg, edge computing) compared to the core network supporting 4G mobile communication. Edge computing is an edge network implemented in a location physically close to the electronic device 400 (eg, a location physically close to the base station 410 , or inside the base station 410 ) in order to implement a high communication speed or low latency. It may refer to a technology for performing various services through the system 500 . Compared to the server 430 , the edge network system 500 may be implemented in a location physically close to the electronic device 400 , so that data communication through the edge network system 500 is data through the core network 420 . A high communication speed and/or a low latency can be realized compared to communication. For example, the edge network system 500 may be directly connected to the core network 420 , physically close to it, or located inside the core network 420 .

According to various embodiments of the present disclosure, the first server 510 may be a server that provides information on at least one or more second servers 520 connectable to the electronic device 400 . For example, information on the second server 520 may include access information of the second server 520 (eg, an IP address of the second server 520 , a domain name of the second server 520 and/or the second Access address information of the second server 520 including a uniform resource identifier (URI) of the server 520 , and an identifier of the second server 520 ). The first server 510 may be the same or a similar component to an edge data network configuration server (ECS) defined in TS 23.558.

According to various embodiments of the present disclosure, the second server 520 may be a server connected to the third server 530 and managing various operations of the third server 530 . The second server 520 may receive performance information (eg, available resources (eg, memory capacity or bandwidth) of the third server 530 ) of the third server 530 from the third server 530 . The second server 520 may transmit information on at least one or more third servers 530 connected to the second server 520 in response to a request from the electronic device 400. The second server 520 is TS 23.558 It may be the same or a similar component to the edge enabler server (EES) defined in .

According to various embodiments of the present disclosure, the third server 530 may be a server that provides an edge computing service that can be used by the application 501 installed on the electronic device 400 . The third server 530 may provide application data related to the edge computing service to the application 501 . The third server 530 may be the same or a similar component to the edge application server (EAS) defined in TS 23.558. Although one third server 530 is illustrated in FIG. 5 , a plurality of third servers 530 may be arranged according to services provided. At least one or more third servers 530 may be deployed in various locations within the mobile communication network to provide edge services to user terminals (UEs) in adjacent locations.

According to various embodiments of the present disclosure, the electronic device 400 may transmit a signal requesting access to the first server 510 to the core network 420 to connect the edge network system 500 . The core network 420 may transmit access information of the first server 510 to the electronic device 400 through various procedures (eg, an authentication operation of the electronic device 400 ).

In various embodiments of the present invention, for convenience of description, the first server 510 , the second server 520 , and the third server 530 included in the edge network system 500 are all near the base station 410 . Although illustrated as being disposed (or, in the vicinity of the electronic device 400 ), the present invention is not limited thereto, and various arrangements may be made. For example, the first server 510 and the second server 520 are connected to or disposed adjacent to a core network (eg, the core network 420 of FIG. 4 ), and the third server 530 is an electronic device. It may be located at a location close to 400 (eg, connected to or adjacent to base station 410 ). As another example, the first server 510 and the second server 520 are external (eg, a network including the base station 410 and the core network 420) operated by the cellular communication operator. Example: Internet network), and the third server 530 may be located close to the electronic device 400 . Alternatively, the first server 510 and the second server 520 may be implemented as one integrated entity. If the edge network system 500 according to various embodiments is disposed closer to the electronic device 400 than the external server 430 and includes at least one third server 530 capable of providing an edge service, the edge network system It will be readily understood by those skilled in the art that the components included in 500 may have various arrangements.

Various embodiments of a connection operation between the electronic device 400 and the edge network system 500 will be described later with reference to FIG. 5 .

5 is a diagram illustrating an electronic device and an edge network system according to various embodiments of the present disclosure.

According to various embodiments of the present disclosure, the edge network system 500 may include a first server 510 , a second server 520 , and/or a third server 530 .

According to various embodiments of the present disclosure, the third server 530 may be a server that provides an edge computing service that can be used by the application 501 installed on the electronic device 400 . The third server 530 may provide application data related to the edge computing service to the application 501 . The third server 530 may be the same or a similar component to the edge application server (EAS) defined in TS 23.558.

According to various embodiments of the present disclosure, the second server 520 may be a server connected to the third server 530 and managing various operations of the third server 530 . The second server 520 may receive performance information (eg, available resources (eg, memory capacity or bandwidth) of the third server 530 ) of the third server 530 from the third server 530 . The second server 520 may transmit information on at least one or more third servers 530 connected to the second server 520 in response to a request from the electronic device 400. The second server 520 is TS 23.558 It may be the same or a similar component to the edge enabler server (EES) defined in .

According to various embodiments of the present disclosure, the first server 510 may be a server that provides information on at least one or more second servers 520 connectable to the electronic device 400 . For example, information on the second server 520 may include access information of the second server 520 (eg, an IP address of the second server 520 , a domain name of the second server 520 and/or the second Access address information of the second server 520 including a uniform resource identifier (URI) of the server 520 and an identifier of the second server 520) may be included. The first server 510 may be the same or a similar component to an edge data network configuration server (ECS) defined in TS 23.558.

According to various embodiments of the present disclosure, the electronic device 400 may include a processor (eg, the processor 120 of FIG. 1 ) 501 and a memory (eg, the memory 130 of FIG. 1 ). The memory 130 may store various program modules executable on the processor 130 . The memory 130 includes an application capable of performing a service using an edge network (eg, the application 146 of FIG. 1 ) 505 and various components for supporting edge computing (eg, an edge enabler client ( edge enabler client, EEC) (503)) may be stored. The processor 501 may load and execute (or operate) various program modules (eg, the EEC 503 and the application 505 ) stored in the memory 130 . The EEC 503 is configured on an application layer (eg, application 146 of FIG. 1 ), middleware (eg, middleware 144 of FIG. 1 ) and/or an operating system (eg, operating system 142 of FIG. 1 ). can be implemented in

According to various embodiments of the present disclosure, the EEC 503 identifies an application 505 capable of using an edge computing service among various applications being executed (or operated) on the electronic device 400 , and the application ( Various operations for setting the 505 to transmit or receive data of the application 505 to the third server 530 may be performed.

The EEC 503 receives, from the edge network system 500, access information of a component of the edge network system 500 that enables the applications 505 to exchange application data through the edge network system 500, and access A connection between the edge network system 500 and the electronic device 400 may be controlled based on the information. Hereinafter, a specific embodiment for the connection between the EEC 503 and the third server 530 will be described.

According to various embodiments of the present invention, the EEC 503 is based on the access information of the first server 510 received from the core network (eg, the core network 420 of FIG. 4 ) with the first server 510 and A connection operation can be performed. In another embodiment, the EEC 503 is a first server 510 stored on an electronic device (eg, the memory 130 and/or a SIM card (eg, the subscriber identification module 196 of FIG. 1 )). An operation of connecting to the first server 510 may be performed based on the connection information of the EEC 503 , the identification information of the electronic device 400 (eg, an international mobile subscriber identify (IMSI) of the electronic device 501 ). ) and/or Generic Public Subscription Identifier (GPSI)) are transmitted to the first server 510 , and the first server 510 performs authentication of the electronic device 400 based on identification information of the electronic device 400 . can do.

According to various embodiments of the present disclosure, the EEC 503 may perform a provisioning procedure for an edge service after the connection with the first server 510 is completed. The provisioning procedure may include an operation of transmitting a signal requesting access information of the second server 520 to the first server 510 . The first server 510 includes access information of the second server 520 (eg, an identifier of the second server 520 , URI information of the second server 520 , domain information of the second server 520 , the second When the IP address information of the server 520, a dedicated public data network (PDN) or packet data unit (PDU) session of the edge network system 500 exists, access point name (APN) information corresponding to the dedicated PDN or PDU and/or at least one of data network name (DNN) information and/or information (eg, token) used for verification for valid connection of the second server 520 ) may be transmitted to the electronic device 400 .

According to various embodiments of the present invention, the access information of the second server 520 may be the same as or similar to the EES list defined in TS 23.558. For example, the access information of the second server 520 may be implemented as shown in Table 1 below and transmitted to the EEC 503 . The access information of the second server 520 includes the identifier of the second server 520 and/or the access address information of the second server 520 (eg, URI information of the second server 520 , the second server 520 ). domain information of the second server 520 , IP address information of the second server 520 , and a dedicated public data network (PDN) or packet data unit (PDU) session of the edge network system 500. When a session exists, the dedicated PDN or APN corresponding to the PDU (access point name) information and/or data network name (DNN) information).

EES identifier Access address information EES 1 ees1.edge1.com EES 2 ees2. edge2.com

According to various embodiments of the present disclosure, the EEC 503 performs the second server 520 based on the access information (eg, EES identifier, access address information) of the second server 520 received from the first server 510 . ) can be accessed. The second server 520 is an electronic device in which the electronic device 400 has an access right of the second server 520 based on the access information (eg, token) of the second server 520 transmitted by the EEC 503 . It may be checked whether or not it is recognized, and whether to allow access (or connection) of the electronic device 400 may be determined based on the check result. For example, the second server 520 receives a token, and through an authentication operation through an authentication server (not shown) and the received token, the electronic device 400 accesses (or , connection) may decide whether to allow or not. In this case, the token may be information transmitted from the authentication server (not shown) to the electronic device 400 .

According to various embodiments of the present disclosure, the EEC 503 performs an edge service discovery procedure (eg, edge service discovery) for obtaining information on the third server 530 that can provide an edge computing service to the application 505 . For example, a procedure of searching for service information that can be executed in the edge server(s)) may be performed. The EEC 503 may transmit an edge service discovery request message requesting access information of at least one or more third servers 530 connected to the second server 520 to the second server 520 . The second server 520 may transmit an edge service discovery response message including the access information of the third server 530 stored by the second server 520 to the EEC 503 .

The access information of the third server 530 includes an identifier (EASID) of the third server 530 , an identifier (ACID) of an application installed on the electronic device 400 , and/or access address information of the third server 530 . (eg, an IP address of the third server 530 , a domain name of the third server 530 ).

According to various embodiments of the present invention, the third server 530 may be a software entity implemented in units of services. For example, the plurality of third servers 530 are entities implemented on one physical server, and may be servers that provide different services. In this case, the access information of the third server 530 is installed on the electronic device 400 and/or access information of applications that can be executed in the third server 530 , and provides services using the third server 530 . Identifiers of executable applications may be included. The identifier of the service that can be provided by the third server 530 may mean the identifier of the application installed on the third server 530 .

According to various embodiments of the present invention, the access information of the third server 530 may be the same as or similar to the EAS list defined in TS 23.558. Information of the third server 530 may be implemented as shown in Table 2 below and transmitted to the EEC 503 .

Identifier of the third server Application Identifier (ACID) installed on the electronic device Access address information EAS1 com.android.app1 ees1.edge1.com EAS2 com.android.app2 2.2.2.2 EAS3 com.android.app3 ees3.edge3.com/3.3.3.3

The access information of the second server 530 included in Table 2 may include an identifier of the third server 530 and/or an identifier (ACID) of an application executed on the electronic device 400 . For example, each row of Table 2 (eg, EAS1, EAS2, EAS3, etc.) may refer to identifiers and access addresses for the first server application and the second server application that can be executed in the third server 530 . .

According to various embodiments of the present disclosure, the identifier of the third server 530 is an identifier of an application executed on the third server 530 , and may be a value distinguished for each service application that can be executed in the third server 530 . . When there are a plurality of service applications that can be executed by the third server 530 , the third server 530 may have identifiers of the plurality of third servers 530 . When there is one service application that can be executed in the third server 530 , the third server 530 may have an identifier of one third server 530 , and the identifier of the third server 530 is the third It may also be used as an identifier of an application executed on the server 530 .

According to various embodiments of the present disclosure, the EEC 503 may provide a service that the application 505 can use in response to receiving a service connection request using the third server 530 of the application 505 . The third server 530 may be searched from the access information of the third server 530 . The EEC 503 is an application identifier (eg, com.android. app1) and the matching application identifier (eg, com.android.app1), and the domain name of the third server 530 (eg, app1. edge.com) or an IP address (eg, 3.3.3.1) to the application 505 . The application 505 may connect to the third server 530 based on the received domain name or IP address of the third server 530 and perform a service using the third server 530 .

In FIG. 5 , the processor 501 and/or the application 505 is illustrated as being directly connected to the edge network system 500 , but the processor 501 and/or the application 505 are connected to the electronic device 101 . Data may be exchanged with the edge network system 500 using components for communication (eg, the wireless communication module 192 of FIG. 1 ).

Hereinafter, FIGS. 6 and 7 show that when the ECC 503 receives connection information of a plurality of third servers 530 capable of providing the same service from a plurality of second servers 520 , a plurality of third A specific embodiment of selecting the third server 530 to request access from among the servers 530 will be described.

6 is a diagram illustrating an embodiment in which an electronic device selects one third server from among a plurality of third servers according to various embodiments of the present disclosure;

According to various embodiments of the present invention, a third server ( 530-a or 530-b) may be a server capable of providing at least a part of the same service (eg, a service using the same application).

According to various embodiments of the present disclosure, in operation 601 , the EEC of the electronic device (eg, the electronic device 400 of FIG. 4 ) (eg, the edge enabler client 503 of FIG. 5 ) is connected to the second server (eg, the edge enabler client 503 of FIG. 5 ). : A signal requesting access information of the second server 520) 520-a, 520-b of FIG. 5 may be transmitted to the first server (eg, the first server 510 of FIG. 5).

According to various embodiments of the present disclosure, in operation 603 , the first server 510 is connected to the first server 510 in response to receiving the request for access information from the second server 520-a or 520-b. Connection information of the plurality of second servers 520 - a or 520 - b may be transmitted.

According to various embodiments of the present disclosure, the access information of the second server 520-a or 520-b includes an identifier of each of the plurality of second servers 520-a or 520-b, and the plurality of second servers 520 -a or 520-b) access address information (eg, IP address information of the second server 520-a or 520-b), domain information of the second server 520-a or 520-b, or the second server (URI information of 520-a or 520-b)).

According to various embodiments of the present disclosure, the first server 510 determines the priority of the second server 520-a or 520-b, and the second server 520-a or 520 including priority information -b) connection information may be transmitted to the EEC 503 . The priority may mean an order in which the electronic device 400 can first connect to a specific second server among the plurality of second servers 520 - a or 520 - b. The priority may be allocated differently for each second server 520-a or 520-b. If there are a plurality of third servers 530-a or 530-b that can provide the same service, the EEC 503 determines one of the plurality of third servers 530-a or 530-b based on priority. You can select a third server of The EEC 503 corresponds to the second server 520-a or 520-b having the highest priority when there are a plurality of third servers 530-a or 530-b that can provide the same service ( Alternatively, the third server 530-a or 530-b (connected to the second server 520-a or 520-b) may be selected. An embodiment of selecting the third server 530-a or 530-b based on the priority will be described later in operation 615 .

According to various embodiments of the present disclosure, the first server 510 may store the designated priorities of the plurality of second servers 520-a or 520-b. For example, the priority of the plurality of second servers 520-a or 520-b is determined by the operator (or operator) of the first server 510 and the operator of the plurality of second servers 520-a or 520-b. may be designated based on the contractual relationship of For example, the operator of the second server 520 - a connected to the third server 530 - a among a plurality of third servers 530 - a and 530 - b that at least some of which provide the same service may be different from the operator of the second server 520-b connected to the third server 530-b. The first server 510 may store the priority of each of the plurality of second servers 520-a and 520-b designated by the operator. For another example, the priority of each of the plurality of second servers 520 - a and 520 - b is determined by the second servers 520 - a and 520 - b and/or the third servers 530 - a , 530-b) may be designated based on at least one of each coverage and location. Priority may be designated by various methods other than the above-described embodiment.

According to various embodiments of the present disclosure, the second server 520-a or 520-b transmits the performance information of the third server 530-a or 530-b in a specified manner (eg, periodically to the third server 530 ). -a or 530-b) to request the transmission of performance information, or the third server 530-a or 530-b periodically transmits the performance information of the third server 530-a or 530-b. method) can be checked.

According to various embodiments of the present disclosure, the second server 520-a or 520-b may acquire performance information of the third server 530-a or 530-b by using a separate resource management entity. . For example, the second server (520-a or 520-b) is a MEC Platform Manager, MEC orchestrator, Operating Support System, or core network (eg, the core network of FIG. 4 ) defined by the European telecommunication standards institute (ETSI) standard. (420)) of the third server (530-a or 530-b) using at least one of at least one component (eg, a network exposure function (NEF) or a Common Application Program Interface Function (CAPIF)) included in the Performance information can be obtained.

According to various embodiments of the present disclosure, the performance information of the third server 530-a or 530-b may be obtained from various processing units (eg, central processing unit), a neural network processing unit (NPU), a memory, or performance information of a graphic processing unit (GPU). For example, the performance information of the third server 530-a or 530-b includes the clock speed of the CPU allocated to the third server 530-a or 530-b, the remaining capacity of the memory, and the third server 530. -a or 530-b) information related to the assigned communication channel (eg, bandwidth, latency, transmission rate, reception rate, number of users connected to the third server (530-a or 530-b)) or GPU It may include at least one of the processing speed of Each of the second servers 520-a or 520-b transmits the performance information of the third server 530-a or 530-b to the first server 510, and the first server 510 is The priority of the plurality of second servers 520-a or 520-b based on the performance information of the third server 530-a or 530-b transmitted by the second server 520-a or 520-b, respectively can be decided

According to another embodiment of the present invention, the first server 510 is based on the performance information of the third server 530-a or 530-b transmitted by the core network (eg, the core network 420 of FIG. 4 ). Thus, the priority of the plurality of second servers 520-a or 520-b may be determined.

According to various embodiments of the present disclosure, the access information of the second server 520-a or 520-b may be the same as or similar to the EES list defined in TS 23.558. The access information of the second server 520-a or 520-b includes an identifier of the second server 520-a or 520-b, access address information of the second server 520-a or 520-b, and/or It may include priority information of the second server 520-a or 520-b. The access information of the second server 520-a or 520-b may be implemented as shown in Table 3 below and transmitted to the EEC 503 .

EES ID Access address information priority EES 1 (second server 520-a) ees1.edge1.com/1.1.1.1 0 (High) EES 2 (second server 520-b) ees2. edge2.com One EES 3 ees3.edge.com 2

According to various embodiments of the present disclosure, in operation 605 , the EEC 503 requests an edge service discovery request for access information of the third server 530 - a based on the access information of the second server 520 - a . The message may be transmitted to the second server 520 - a.

According to various embodiments of the present disclosure, in operation 607 , the second server 520 - a responds to the reception of the edge service discovery request message, and at least one or more third servers connected to the second server 520 - a ( An edge service discovery response message including the access information of 530 - a) may be transmitted to the EEC 503 .

According to various embodiments of the present disclosure, the access information of the third server 530 - a includes an identifier (EASID) of the third server 530 - a and identification information of the application 505 installed on the electronic device 400 . (ACID) and/or (edge service) access address information of the third server 530-b (eg, URI for accessing the third server 530-a edge service, the domain of the third server 530-a) at least one of a name (FQDN) and an IP address of the third server 530 - a).

According to various embodiments of the present disclosure, the access information of the third server 530 - a may further include performance information of the third server 530 - a. The second server 520-a transmits the performance information of the third server 530-a in a designated manner (eg, a method of periodically requesting transmission of the performance information to the third server 530-a or separate resource management). performance information of the third server 530 -a is acquired through the subject)). The second server 520 - a may transmit an edge service discovery response message including the checked performance information of the third server 530 - a to the EEC 503 .

According to various embodiments of the present disclosure, in operation 609 , the EEC 503 requests an edge service discovery request for access information of the third server 530 - b based on the access information of the second server 520 - b . The message may be transmitted to the second server 520 - b.

According to various embodiments of the present disclosure, operations 605 and 609 may be implemented regardless of order.

According to various embodiments of the present disclosure, in operation 611 , the second server 520 - b responds to the reception of the edge service discovery request message, and at least one or more third servers connected to the second server 520 - b ( 530-b) may transmit an edge service discovery response message including access information to the EEC 503 .

According to various embodiments of the present disclosure, the access information of the third server 530-b includes an identifier (EASID) of the third server 530-b or the third server 530-b, on the electronic device 400 . Identifier (ACID) of the application 505 installed in and/or access address information of the third server 530-b (eg, URI, IP address of the third server 530-b, the third server 530-b) ) of at least one domain name).

According to various embodiments of the present disclosure, the access information of the third server 530 - b may further include performance information of the third server 530 - b . The second server 520-b transmits the performance information of the third server 530-b in a designated manner (eg, a method of periodically requesting transmission of the performance information to the third server 530-b or separate resource management). performance information of the third server 530 -a is acquired through the subject). The second server 520 - b may transmit an edge service discovery response message including the checked performance information of the third server 530 - b to the EEC 503 .

According to various embodiments of the present disclosure, in operation 613 , the EEC 503 transmits a service connection request using the third server 530-a or 530-b from an application (eg, the application 505 in FIG. 5 ). can receive

According to various embodiments of the present disclosure, a service using the third server 530 - a or 530 - b may mean an edge computing service using the edge network system 500 . The application 505 may be an application that may use edge computing services.

According to various embodiments of the present disclosure, there may be a plurality of third servers 530-a or 530-b capable of providing the same service available to the application 505 . The plurality of third servers 530-a or 530-b that can provide the same service available to the application 505 means that at least some of the third servers 530-a or 530-b provide the same service. It may mean a state that can be provided to the application 505 .

According to various embodiments of the present disclosure, in operation 615 , the EEC 503 connects one of the plurality of third servers 530-a or 530-b to the server to which the third server 530-a is to be connected. can be selected as

According to various embodiments of the present invention, the EEC 503 is the application 505 based on the information of the third server 530-a or 530-b received from the second servers 520-a or 520-b. ) may check whether there are a plurality of third servers 530-a or 530-b that can provide the available services.

According to various embodiments of the present disclosure, in the connection information of the third server 530-a or 530-b received in operation 607 or operation 611, the EEC 503 may provide a third server ( It may be determined whether there are at least two 530-a or 530-b). For example, the EEC 503 checks the access information of the third server 530-a received in operation 607 and/or the access information of the third server 530-b in operation 611, and the third server ( In response to confirming that the identifiers (EAS IDs) of 530-a or 530-b are identical to each other, it may be confirmed that the third server 530-a or 530-b may provide the same service. As another example, the EEC 503 checks the access information of the third server 530 - a received in operation 607 and/or the access information of the third server 530 - b in operation 611 , and the electronic device ( In response to confirming that the information (ACID) indicating the specific application 505 installed on the 400) matches each other, it can be confirmed that the third server 530-a or 530-b can provide the same service. have. For another example, the EEC 503 checks the access information of the third server 530 - a received in operation 607 and/or the access information of the third server 530 - b in operation 611 , In response to verifying that the domain names (either fully qualified domain name (FQDN) or at least part of the FQDN) of the server 530-a or 530-b match each other, the third server 530-a or 530-b It can be confirmed that the same service can be provided. According to various embodiments of the present invention, the EEC 503 receives the access information of the second server 520-a or 520-b from the first server 510 . It may be checked whether priority information of each of the second servers 520-a or 520-b exists. In response to the EEC 503 confirming that the priority information exists in the access information of the second server 520-a or 520-b, the third server 530-a or 530- to be connected based on the priority information b) can be selected. Referring to Table 3, the EEC 503 is a third server 530-a connected to the second server 520-a having the highest priority among the plurality of second servers 520-a and 520-b. ) as the server to connect to.

According to various embodiments of the present disclosure, in response to confirming that the priority information does not exist in the access information of the second server 520-a or 520-b, the EEC 503 , the third server 530-a Alternatively, it may be checked whether the performance information of the third server 530-a or 530-b is included in the edge service discovery response message transmitted by each of 530-b).

According to various embodiments of the present invention, the EEC 503 transmits the edge service discovery response message transmitted by each of the second servers 520-a and 520-b to the third server 530-a or 530-b, respectively. In response to confirming that the performance information is included, the third server 530-a or 530-b to be connected is selected based on the performance information of the third server 530-a or 530-b included in the edge service discovery response message. You can choose.

According to various embodiments of the present invention, the EEC 503 may select the third server 530-a having the highest available resource based on the performance information of each of the third servers 530-a or 530-b. have. EEC 503 is a third server (530-a or 530-b) based on the performance information of each of the available resources of the third server (530-a or 530-b) of the available resources of a predefined priority high. The third server 530 - a having the highest performance (eg, CPU) may be selected.

According to various embodiments of the present disclosure, the EEC 503 performs performance-related conditions required by the executed application 505 (eg, a condition in which the number of CPU clocks is greater than or equal to a preset value, a condition in which the remaining memory capacity is greater than or equal to a preset value, and a GPU Alternatively, the third server 530 - a that satisfies the condition for whether to support the NPU or the condition for available performance when supporting the GPU or NPU may be selected.

According to various embodiments of the present invention, the EEC 503 considers a weight assigned to each available resource (eg, CPU, GPU, NPU, or memory) of each of the third servers 530-a or 530-b. The server 530 - a may be selected. For example, the EEC 503 may select the third server 530 - a having the largest value calculated by Equation 1 based on Equation 1 below.

(a, b, c, d: weight, C: CPU performance of third server 530-a or 530-b, C _n : normalized CPU performance of third server 530-a or 530-b Value, G: GPU performance of third server 530-a or 530-b, G _n : Normalized value of GPU performance of third server 530-a or 530-b, M: third server 530 -a or 530-b) volatile memory capacity, M _n : normalized value of memory capacity of third server 530-a or 530-b S: ratio of third server 530-a or 530-b Volatile memory capacity, S _n : Normalized value of non-volatile memory capacity of third server (530-a or 530-b))

According to various embodiments of the present disclosure, the EEC 503 may change the weight based on the characteristics of the application 505 being executed. For example, in the case of an application using a service that uses the CPU of the third server 530-a or 530-b relatively much, the EEC 503 determines the CPU performance of the third server 530-a or 530-b. weights associated with it can be increased. For example, in the case of an application using a service that uses the GPU of the third server 530-a or 530-b relatively much, the EEC 503 determines the GPU performance of the third server 530-a or 530-b. weights associated with it can be increased.

According to various embodiments of the present invention, the EEC 503 responds to the edge service discovery response message transmitted by each of the second servers 520-a and 520-b to the performance of the third server 530-a or 530-b. In response to confirming that the information does not exist, the third server 530 to be connected based on the state (eg, response speed) of the communication connection between the second server 520 - a or 520 - b and the electronic device 400 . -a or 530-b) can be selected.

According to various embodiments of the present disclosure, the state of the communication connection between the second server 520-a or 520-b and the electronic device 400 is determined by the second server 520-a or 520-b, respectively, and the electronic device. It may be determined by the data transmission rate (or data reception rate, response delay time) between 400 . According to an embodiment, the EEC 503 compares the transmission time of the edge service discovery request message transmitted in operations 605 and 609 and the reception time of the edge service discovery response message received in operations 607 and 611 (eg, edge A state of a communication connection between each of the second servers 520 - a or 520 - b and the electronic device 400 may be checked by using a round trip time (RTT) of the service discovery request message and the edge service discovery response message. EEC 503 provides a third server 530-a provided by a second server 520-b having a relatively good communication connection state (eg, high data reception rate or short response delay time (RTT)). You can choose.

According to another embodiment of the present invention, the EEC 503 is the performance of the third server 530-a or 530-b in the edge service discovery response message transmitted by each of the second servers 520-a and 520-b. In response to confirming that the information does not exist, the third server 530 - a or 530 - b to be connected based on the state of the communication channel between the third server 530 - a or 530 - b and the electronic device 400 , respectively ) can be selected.

According to various embodiments of the present disclosure, the state of the communication connection between each of the third servers 530-a or 530-b and the electronic device 400 is the third server 530-a or 530-b, respectively, and the electronic device 400 . It may be determined by the device 400 data transmission rate (or data reception rate). According to an embodiment, the EEC 503 transmits a test signal (eg, a ping signal) to each of the third servers 530-a or 530-b, and based on the reception time of a response signal corresponding to the test signal , a state of a communication connection between each of the third servers 530 - a or 530 - b and the electronic device 400 may be checked. The EEC 503 may select the third server 530 - a having a relatively high communication connection state.

According to various embodiments of the present disclosure, in operation 617 , the EEC 503 may establish a connection between the application 505 and the selected third server 530 - a.

According to various embodiments of the present disclosure, in operation 617 , the method for setting the EEC 503 to perform a connection with the third server 530 - a to the application 505 is, in operation 617 , access information of the third server 530 - a is delivered to the application 505 and the application 505 is configured to communicate with the application installed in the third server 530 -a. For example, the EEC 503 obtains access address information (eg, IP addresses of the server applications 531 and 533) of the server application for the DNS (Domain Name System) query (query) request of the client application 505 . A response message including the may be transmitted to the application 505 . The application 505 may be configured to communicate with the application of the third server 530 - a based on the connection information of the server application.

According to various embodiments of the present disclosure, the electronic device 400 (or the processor 501 ) may establish a dedicated network channel for a connection between the application 505 and the third server 530 - a. For example, the processor 501 generates a communication circuit (eg, the wireless communication module ( 192)) can be controlled. The electronic device 400 (or the processor 501 ) may control the communication circuit 192 so that the applications 505 transmit or receive data through the specified network interface.

According to various embodiments of the present disclosure, in operation 619, the application 505 transmits or receives application data to or from the third server 530-a connected in operation 617 to the third server 530-a. service can be used.

7 is a flowchart illustrating an operation in which an electronic device selects one third server from among a plurality of third servers according to various embodiments of the present disclosure;

According to various embodiments of the present disclosure, in operation 701 , the processor (eg, the processor 501 of FIG. 5 ) or the EEC running on the processor 510 (eg, the EEC 503 of FIG. 5 ) is connected to the second servers. Based on information of third servers (eg, the third server 530-a or 530-b of FIG. 6 ) received from (eg, the second server 520-a or 520-b of FIG. 6 ) The application 505 may check whether there are a plurality of third servers 530-a or 530-b capable of providing the same available service.

According to various embodiments of the present disclosure, there may be a plurality of third servers 530-a or 530-b capable of providing the same service available to the application 505 . The plurality of third servers 530-a or 530-b that can provide the same service available to the application 505 means that at least some of the third servers 530-a or 530-b provide the same service. It may mean a state that can be provided to the application 505 .

According to various embodiments of the present disclosure, the priority may mean an order in which a specific second server can be connected among the plurality of second servers 520-a or 520-b. The priority may be allocated differently for each second server 520-a or 520-b. Each of the second servers 520-a or 520-b transmits the performance information of the connected third server 530-a or 530-b in a designated manner (eg, periodically to the third server 530-a or 530-b). It can be confirmed through a method of requesting the transmission of performance information or a method in which the third server 530-a or 530-b periodically transmits the performance information of the third server 530-a or 530-b). .

According to various embodiments of the present disclosure, the second server 520-a or 520-b may acquire performance information of the third server 530-a or 530-b by using a separate resource management entity. . For example, the second server (520-a or 520-b) is a MEC Platform Manager, MEC orchestrator, Operating Support System, or core network (eg, the core network of FIG. 4 ) defined by the European telecommunication standards institute (ETSI) standard. (420)) of the third server (530-a or 530-b) using at least one of at least one component (eg, a network exposure function (NEF) or a Common Application Program Interface Function (CAPIF)) included in the Performance information can be obtained.

According to various embodiments of the present disclosure, the performance information of the third server 530-a or 530-b is the processing unit (eg, CPU, NPU, memory) allocated to the third server 530-a or 530-b. or GPU) performance information. For example, the performance information of each of the third servers 530-a or 530-b includes the clock speed of the CPU allocated to each of the third servers 530-a or 530-b, the remaining capacity of the memory, and the third server. (530-a or 530-b) information related to the communication channel assigned to each (eg, bandwidth, delay time, transmission rate, reception rate, the number of users connected to the third server 530-a or 530-b) ) or the processing speed of the GPU. Each of the second servers 520-a or 520-b transmits the checked performance information of the third server 530-a or 530-b to the first server 510, and the first server 510 includes a plurality of The priority of the plurality of second servers 520-a or 520-b based on the performance information of the third server 530-a or 530-b transmitted by the second server 520-a or 520-b can be decided

According to various embodiments of the present disclosure, in operation 703, the processor 501 or the EEC 503 confirms that there are a plurality of third servers 530-a or 530-b capable of providing a service (701-Y) In response, whether priority information of each of the second servers 520-a or 520-b exists in the access information of the second server 520-a or 520-b received from the first server 510 can check whether

According to another embodiment of the present invention, the first server 510 is based on the performance information of the third server 530-a or 530-b transmitted by the core network (eg, the core network 420 of FIG. 4 ). Thus, the priority of the plurality of second servers 520-a or 520-b may be determined.

According to various embodiments of the present disclosure, in operation 705, the processor 501 or the EEC 503 confirms that priority information exists in the connection information of the second server 520-a or 520-b (operation 705). 703-Y), the third server 530-a or 530-b to be connected may be selected based on the priority information. Referring to Table 3, the EEC 503 is a third server 530-a connected to the second server 520-a having the highest priority among the plurality of second servers 520-a and 520-b. ) as the server to connect to.

According to various embodiments of the present disclosure, in operation 707, the processor 501 or the EEC 503 determines that the priority information does not exist in the access information of the second server 520-a or 520-b ( In response to operation 703-N), whether the performance information of the third server 530-a or 530-b is included in the edge service discovery response message transmitted by the third server 530-a or 530-b can be checked.

According to various embodiments of the present disclosure, in operation 709, the processor 501 or the EEC 503 responds to the edge service discovery response message transmitted by the third server 530-a or 530-b to the third server 530- In response to confirming that the performance information of a or 530-b is included (operation 707-Y), based on the performance information of the third server 530-a or 530-b included in the edge service discovery response message A third server 530-a or 530-b to be connected may be selected.

According to various embodiments of the present disclosure, the EEC 503 may select the third server 530 - a having the highest available resource based on the performance information of the third server 530 - a or 530 - b . . EEC (503) is based on the performance information of the third server (530-a or 530-b) of the available resources of the third server (530-a or 530-b) a predefined high priority available resources ( For example, the third server 530 - a having the highest CPU performance may be selected.

According to various embodiments of the present invention, the EEC 503 determines the performance-related conditions required by the executed application 505 (eg, a condition in which the number of CPU clocks is greater than or equal to a preset value or a condition in which the remaining memory capacity is greater than or equal to a preset value). A satisfactory third server 530 - a may be selected.

According to various embodiments of the present disclosure, the EEC 503 considers a weight assigned to each available resource (eg, CPU, GPU, NPU, or memory) of the third server 530-a or 530-b to the third server (530-a) may be selected.

According to various embodiments of the present disclosure, the EEC 503 may change the weight based on the characteristics of the application 505 being executed. For example, in the case of an application using a service that uses the CPU of the third server 530-a or 530-b relatively much, the EEC 503 determines the CPU performance of the third server 530-a or 530-b. weights associated with it can be increased. For example, in the case of an application using a service that uses the GPU of the third server 530-a or 530-b relatively much, the EEC 503 determines the GPU performance of the third server 530-a or 530-b. weights associated with it can be increased.

According to various embodiments of the present disclosure, in operation 711, the processor 501 or the EEC 503 responds to the edge service discovery response message transmitted by the third server 530-a or 530-b to the third server 530- A state of a communication connection between the second server 520 - a or 520 - b and the electronic device 400 in response to confirming that the performance information of a or 530 - b does not exist (operation 707 - N) The third server 530-a or 530-b to be connected may be selected based on the .

According to various embodiments of the present disclosure, the state of the communication connection between the second server 520-a or 520-b and the electronic device 400 is determined by the state of the second server 520-a or 520-b and the electronic device 400 . It may be determined by the device 400 data transmission rate (or data reception rate). According to an embodiment, the EEC 503 compares the transmission time of the edge service discovery request message transmitted in operations 605 and 609 and the reception time of the edge service discovery response message received in operations 607 and 611 (eg, edge A state of a communication connection between the second server 520 - a or 520 - b and the electronic device 400 may be checked by using a round trip time (RTT) of the service discovery request message and the edge service discovery response message. EEC 503 provides a third server 530-a provided by a second server 520-b having a relatively high communication connection state (eg, high data reception rate or short response delay time (RTT)). You can choose.

According to another embodiment of the present invention, the EEC 503 provides the performance information of the third server 530-a or 530-b in the edge service discovery response message transmitted by the second server 520-a or 520-b. In response to confirming that is included, the third server 530 -a or 530-b to be connected is selected based on the state of the communication channel between the third server 530 -a or 530 -b and the electronic device 400 . may be

Through the above-described method, when there are a plurality of third servers 530-a or 530-b providing a service that can be used by the application 505, the electronic device 400 performs the most You can choose a third server that can provide high-quality services.

Hereinafter, FIGS. 8 and 9 show that the ECC 311 activates the application installed on the third server 530 included in the access information of the third server 530 received from the second server 520 in an inactive state. Specific examples for converting to .

8 is a diagram illustrating an embodiment in which an electronic device activates a third server using transmission of an edge service discovery request message according to various embodiments of the present disclosure.

According to various embodiments of the present disclosure, activation of the third server may mean switching an application installed on the third server (eg, the third server 530 of FIG. 4 ) to an activated state.

According to various embodiments of the present disclosure, in operation 801 , the EEC of the electronic device (eg, the electronic device 400 of FIG. 4 ) (eg, the edge enabler client 503 of FIG. 5 ) is connected to the second server (eg, the edge enabler client 503 of FIG. 5 ). : A signal for requesting access information of the second server 520 of FIG. 5 may be transmitted to the first server (eg, the first server 510 of FIG. 5 ).

According to various embodiments of the present disclosure, in operation 803 , the first server 510 responds to the reception of the request for access information from the second server 520 , and the second server 520 connected to the first server 510 . of connection information can be transmitted.

According to various embodiments of the present disclosure, the access information of the second server 520 includes an identifier of the second server 520 and/or access address information of the second server 520 (eg, of the second server 520 ). IP address information, domain information of the second server 520 or URI information of the second server 520).

According to various embodiments of the present disclosure, in operation 805 , the EEC 503 transmits an edge service discovery request message for requesting access information of the third server 530 based on the access information of the second server 520 . may be transmitted to the server 520 . The edge service discovery request message indicates an identifier of the EEC 503 , token information for authenticating the access right of the second server 520 , and/or a search condition of the third server 530 connected to the second server 520 . information (eg, an identifier (EAS ID) of the third server 530 ), information (ACID) indicating a specific application installed in the electronic device 400 , a service permission level, a desired service function, or information of the third server 530 . available location information). The edge service discovery request message may be implemented in the form of, for example, Table 4 described below.

Identifier of EEC 503 1000 Connection token of the second server 520 123456780 query filter null

According to various embodiments of the present disclosure, in operation 807 , the second server 520 includes access information of the third server 530 connected to the second server 520 in response to the reception of the edge service discovery request message. may transmit an edge service discovery response message to the EEC 503 . The edge service discovery response message may be implemented in the form shown in Table 5, for example.

3rd server list value Third-party server identifier (EASID) EAS1 3rd server access address information domain name null IP address null Identifier (ACID) of an application installed on the electronic device 400 com.andriod.app1

Referring to Table 5, the edge service discovery response message may include an identifier (EASID) of the third server 530 and information necessary for accessing the third server 530 . The information required to access the third server may include an access address (at least one of a URI, a domain name, and an IP address) of the third server 530 and/or an application identifier (ACID) installed in the electronic device 400 . .

According to various embodiments of the present disclosure, the third server 530 may be temporarily or non-temporarily not instantiated. The temporary or non-temporarily inactive state of the third server 530 may mean that an edge service (application) executable on the third server 530 is in an inactive state. When the third server 530 is not driven, the second server 520 may not receive some information necessary for accessing the third server 530 , and the edge service transmitted by the second server 520 . The search response message may not include at least a part of information necessary for accessing the third server 530 .

According to various embodiments of the present disclosure, in operation 809 , the EEC 503 may receive a connection request for a service using the third server 530 from an application (eg, the application 505 of FIG. 5 ). When the application 505 is switched from an inactive state to an active state, when the application 505 is first installed on the electronic device 400 , or when the application 505 is switched from a background state to a foreground state In this case, a connection request for a service using the third server 530 may be transmitted to the EEC 503 .

According to various embodiments of the present disclosure, in operation 811 , the EEC 503 may check whether a part of information necessary for accessing the third server 530 is included in the edge service discovery response message. When the third server 530 is temporarily or non-temporarily inactive, a part of information necessary for accessing the third server 530 may not exist in the edge service discovery response message.

According to various embodiments of the present disclosure, in operation 813 , the EEC 503 discovers an edge service in response to confirming that a part of information necessary for accessing the third server 530 does not exist in the edge service discovery response message. The request message may be transmitted to the second server 520 . The edge service discovery request message transmitted in operation 813 may further include information indicating a service that the application 505 can use. The information indicating the service available to the application 505 may include an identifier (ACID) of the application 505 executed on the electronic device 400 or an identifier (EASID) of the third server 530 . The edge service discovery request message transmitted in operation 813 may be implemented in the form shown in Table 6, for example.

Identifier of EEC 503 1000 Connection token of the second server 520 123456780 Identifier (ACID) of the application 505 installed on the electronic device 400 Com.andriod.app1 query filter All or the identifier of the third server 530 (EASID)

According to various embodiments of the present disclosure, in operation 815 , the second server 520 receives the edge service discovery request message, and a service identifier (eg, at least one of EASID, ACID, and FQDN) included in the edge service discovery request message. ) can be checked. The second server 520 may perform an operation of activating an edge service (application) of the third server 530 that may provide a service corresponding to the service identifier. Although not shown in FIG. 8 , the second server 520 may activate the third server 530 by further using a component that activates the third server 530 . For example, the second server 520 is included in the MEC Platform Manager, MEC orchestrator, Operating Support System, or core network (eg, the core network 420 of FIG. 4 ) defined by the European telecommunication standards institute (ETSI) standard. The third server 530 may be activated using at least one of the configured at least one component (eg, a network exposure function (NEF) or a common application program interface function (CAPIF)).

According to various embodiments of the present disclosure, in operation 817 , the second server 520 may transmit an edge service discovery response message to the EEC 503 . As the third server 530 is switched to the active state, information necessary for accessing the third server 530 may be present in the edge service discovery response message. The edge service discovery response message may be implemented in the form shown in Table 7, for example.

3rd server list value Third-party server identifier (EASID) EAS1 3rd server access address information domain name app1.edge.com IP address 3.1.1.1 Identifier (ACID) of the application installed on the electronic device com.andriod.app1

According to various embodiments of the present disclosure, in operation 819 , the EEC 503 may establish a connection with the third server 530 based on access information of the third server 530 included in the edge service discovery response message. have.

According to various embodiments of the present disclosure, in operation 821 , the application 505 performs a service using the third server 530 by transmitting or receiving application data with the third server 530 connected in operation 819 . can do.

FIG. 9 is an operation flowchart illustrating an activation operation 900 of the third server using the transmission of an edge service discovery request message by an electronic device according to various embodiments of the present disclosure.

According to various embodiments of the present disclosure, in operation 901 , the processor (eg, the processor 501 of FIG. 5 ) of the electronic device (eg, the electronic device 400 of FIG. 4 ) or the EEC ( Example: EEC 503 of FIG. 5) is based on access information of a second server (eg, second server 520 of FIG. 5) of a third server (eg, third server 530 of FIG. 5) An edge service discovery request message for requesting access information may be transmitted to the second server 520 .

According to various embodiments of the present disclosure, the edge service discovery request message includes an identifier of the EEC 503 , token information for authenticating access rights of the second server 520 , and/or a third connected to the second server 520 . It may include information indicating a search condition of the server 530 (eg, information indicating a specific service or a specific third server 530 ).

According to various embodiments of the present disclosure, in operation 903 , the processor 501 or the EEC 503 may receive an edge service discovery response message including at least a portion of access information of the third server 530 .

According to various embodiments of the present disclosure, the edge service discovery response message may include access information of the third server 530 . The access information of the third server 530 may include an identifier (EASID) of the third server 530 and information necessary for accessing the third server 530 . Information necessary for accessing the third server includes access address information of the third server 530 (eg, a domain name of the third server 530 or an IP address of the third server 530 ) and/or the electronic device 400 . It may include the identifier of the application 505 installed in the.

For the description of FIG. 9 , for example, it is assumed that the electronic device 400 receives one of the edge service discovery response messages from among the edge service discovery response messages described in Cases 1 to 6 shown in Table 8.

Case Identifier (EASID) of the third server 530 Access address information of the third server 530 Identifier (ACID) of an application installed on the electronic device 400 Domain Name (FQDN) IP address One eas1 app1.edge.com 3.3.3.1 com.andriod.app1 2 eas2 app2.edge.com - com.andriod.app2 3 eas3 app3.edge.com eas3.app3.edge.com com.andriod.app3 4 eas4 - - com.andriod.app4 5 eas5 app5.edge.com 3.3.3.5 - 6 eas6 app6.edge.com - -

According to various embodiments of the present disclosure, in operation 905 , the processor 501 or the EEC 503 receives a service connection request using the third server 530 from an application (eg, the application 505 of FIG. 5 ). can

According to various embodiments of the present disclosure, when the application 505 is switched from an inactive state to an active state, when the application 505 is first installed on the electronic device 400 , or when the application 505 is When the background state is changed to the foreground state, a connection request for a service using the third server 530 may be transmitted to the EEC 503 .

According to various embodiments of the present disclosure, in operation 907 , the processor 501 or the EEC 503 does not have an IP address in the access information of the third server 530 included in the edge service discovery response message, and the electronic The identifier (ACID) and the domain name (FQDN) of the application 505 installed on the device 400 may check whether or not they exist.

Referring to Table 8, it can be confirmed that the edge service discovery response message corresponding to Case 2 of Table 8 satisfies the confirmation condition in operation 907 . It can be confirmed that the edge service discovery response message corresponding to Cases 1, 3, 4, 5, and 6 of Table 8 does not satisfy the confirmation condition of operation 907 .

According to various embodiments of the present disclosure, in operation 909 , the processor 501 or the EEC 503 does not have an IP address in the access information of the third server 530 , and the application installed on the electronic device 400 ( 505), in response to confirming that the identifier (ACID) and domain name (FQDN) exist (operation 907-Y), the identifier (EASID) (eas2) of the third server 530, on the electronic device 400 An edge service discovery request message including at least one of an identifier (ACID) (eg, com.andriod.app2) and a domain name (app2.edge.com) of the application 505 installed in the can be transmitted The edge service discovery request message transmitted in operation 909 may be implemented in the form shown in Table 9, for example.

Identifier of EEC 503 1000 Connection token of the second server 520 123456780 Identifier (ACID) or domain name (FQDN) of the application installed on the electronic device 400 com.andriod.app2 query filter (optional) eas2 or app2.edge.com

According to various embodiments of the present disclosure, in operation 911 , the processor 501 or the EEC 503 does not include an IP address in the access information of the third server 530 , and In response to confirming that the third server 530 with only an identifier (ACID) and a domain name (FQDN) does not exist (operation 907-N), the IP address or domain in the access information of the third server 530 It may be checked whether the name (FQDN) does not exist and only the identifier of the application 505 installed on the electronic device 400 exists.

Referring to Table 8, it can be confirmed that the edge service discovery response message corresponding to Case 4 of Table 8 satisfies the confirmation condition of operation 911. It can be confirmed that the edge service discovery response message corresponding to Cases 1, 3, 5, and 6 of Table 8 does not satisfy the confirmation condition of operation 911 .

According to various embodiments of the present disclosure, in operation 913 , the processor 501 or the EEC 503 does not have an IP address or a domain name in the access information of the third server 530 , and In response to confirming that only the identifier (ACID) of the installed application exists (operation 911-Y), the identified identifier (EASID) of the application installed on the third server 530 (eg, eas4), the electronic device 400 ), an edge service discovery request message including at least one of the identifiers (ACIDs) (eg, com.android.app4) of the application 505 installed on it may be transmitted back to the second server 520 . The edge service discovery request message transmitted in operation 909 may be implemented in the form shown in Table 10.

Identifier of EEC 503 1000 Connection token of the second server 520 123456780 Identifier (ACID) of the application 505 installed on the electronic device 400 com.andriod.app4 query filter eas4

According to various embodiments of the present disclosure, in operation 915 , the processor 501 or the EEC 503 does not have an IP address and a domain name in the access information of the third server 530 , and In response to confirming that the third server 530 having only the identifier of the installed application does not exist in the edge service discovery response message (operation 911-N), the IP address and It may be checked whether an identifier (ACID) of the application 505 installed on the electronic device 400 does not exist and only a domain name exists.

Referring to Table 8, it can be confirmed that the edge service discovery response message corresponding to Case 6 of Table 8 satisfies the confirmation condition in operation 915 . It can be confirmed that the edge service discovery response message corresponding to each of Case 1, Case 3, and Case 5 of Table 8 does not satisfy the confirmation condition of operation 915 . In the edge service discovery response message corresponding to Case 1, Case 3 and Case 5, the edge service discovery response message includes access address information of the third server 530 (eg, the domain name of the third server and the IP address), the processor 501 or the EEC 503 responds to confirming that the edge service discovery response message includes all access address information of the third server 530 (operation 915-N) ), operation 921 may be performed.

According to various embodiments of the present disclosure, in operation 917 , the processor 501 or the EEC 503 includes an IP address and an identifier of the application 505 installed on the electronic device 400 in connection information of the third server 530 . In response to confirming that (ACID) does not exist and only the domain name exists (operation 915-Y), edge service including at least one of an identifier (EASID) and a domain name (FQDN) of the third server 530 A search request message may be transmitted to the second server 520 . The edge service discovery request message transmitted in operation 909 may be implemented in the form shown in Table 11, for example.

Identifier of EEC 503 1000 Connection token of the second server 520 123456780 Identifier (ACID) of the application 505 installed on the electronic device 400 Identifier (ACID) of the application 505 that requested null or edge service connection query filter eas6

According to various embodiments of the present disclosure, the edge service discovery request message transmitted in operation 909, operation 913 and/or operation 917 is the edge service discovery request message transmitted in operation 901, and the edge service discovery response message received in operation 903 Information (eg, an identifier (EASID) of the third server 530), a domain name (FQDN) of the third server 530, and the electronic device 400 included in the ) may further include a part of the identifier (ACID) of the installed application.

The second server 520 includes information (eg, an identifier (EASID) of the third server 530) that can indicate the edge service (application) of the third server 530 included in the retransmitted edge service discovery request message; Based on the identifier (ACID) of the application installed on the electronic device 400 or the domain name (FQDN) of the third server 530), an application of the third server 530 that is in an inactive state is checked, and the third server 530 is ) can be activated.

According to various embodiments of the present disclosure, in operation 919 , the processor 501 or the EEC 503 may receive an edge service discovery response message transmitted by the second server 520 . As the application of the third server 530 is switched to the active state, information necessary for accessing the third server 530 may be present in the edge service discovery response message. The edge service discovery response message may be implemented in the form shown in Table 7, for example.

According to various embodiments of the present disclosure, in operation 921 , the processor 501 or the EEC 503 connects the application 505 and the third based on the access information of the third server 530 included in the edge service discovery response message. A connection between the servers 530 may be established.

According to various embodiments of the present disclosure, the application 505 may perform a service using the third server 530 by transmitting or receiving application data with the third server 530 connected in operation 921 .

The electronic device 400 may activate the third server 530 and activate the third server 530 through a method of retransmitting an edge service discovery request message including information for instructing the third server 530 in an inactive state. The third server 530 may be activated through retransmission of the edge service discovery request message without a separate operation for activating the third server 530 .

Hereinafter, a specific embodiment in which the ECC 311 determines whether the access information of the third server 530 received from the second server 520 has expired will be described with reference to FIGS. 10 and 11 .

10 is a diagram illustrating an embodiment in which an electronic device transmits an edge service discovery request message according to whether access information of a third server has expired, according to various embodiments of the present disclosure;

According to various embodiments of the present disclosure, in operation 1001 , the EEC of the electronic device (eg, the electronic device 400 of FIG. 4 ) (eg, the edge enabler client 503 of FIG. 5 ) is connected to the second server (eg, the edge enabler client 503 of FIG. 5 ). : A signal for requesting access information of the second server 520 of FIG. 5 may be transmitted to the first server (eg, the first server 510 of FIG. 5 ).

According to various embodiments of the present disclosure, in operation 1003 , the first server 510 responds to the reception of the request for access information from the second server 520 , and the second server 520 connected to the first server 510 . of connection information can be transmitted.

According to various embodiments of the present disclosure, the access information of the second server 520 may include an identifier of the second server 520 , IP address information of the second server 520 , domain information of the second server 520 or the second server 520 . 2 may include at least one of URI information of the server 520 .

According to various embodiments of the present disclosure, in operation 1005 , the EEC 503 transmits an edge service discovery request message for requesting access information of the third server 530 based on the access information of the second server 520 . may be transmitted to the server 520 . The edge service discovery request message indicates an identifier of the EEC 503 , token information for authenticating the access right of the second server 520 , and/or a search condition of the third server 530 connected to the second server 520 . information (eg, an identifier (EAS ID) of the third server 530 or an identifier (ACID) of an application installed on the electronic device 400 )).

According to various embodiments of the present disclosure, in operation 1007 , the second server 520 includes access information of the third server 530 connected to the second server 520 in response to the reception of the edge service discovery request message. may transmit an edge service discovery response message to the EEC 503 . The edge service discovery response message may be implemented in the form shown in Table 12, for example.

3rd server list value Identifier of the third server EAS1 3rd server access address information domain name app1.edge.com IP address 1.1.1.1. Identifier (ACID) of the application 505 installed on the electronic device 400 com.andriod.app1 TTL (time to live) 60 Identifier of the third server EAS2 3rd server access address information domain name app2.edge.com IP address 2.2.2.2. Identifier (ACID) of the application 505 installed on the electronic device 400 com.andriod.app2 TTL (time to live) 300

Referring to the edge service discovery response message shown in Table 12, the edge service discovery response message may include access information of the two third servers 530 . The access information of the third server 530 includes an identifier (EASID) of the third server 530 , access address information of the third server 530 (eg, a domain name of the third server 530 , and the third server 530 ). ), an identifier (ACID) and/or TTL of an application installed on the electronic device 400 . TTL may mean a valid time of access information of the third server 530 . For example, the access information of the third server 530 may be valid within a time specified by TTL from the time the edge service discovery response message is received. The access information of the third server 530 may not be valid after a time designated as TTL. That the access information of the third server 530 is valid may mean that it is access information capable of performing a connection between the third server 530 and the electronic device 400 within a specified time. When the connection information of the third server 530 is invalid, the connection information of the third server 530 is changed after a time designated as TTL, so that a connection between the third server 530 and the electronic device 400 is performed. It may mean that the connection information cannot be accessed.

According to various embodiments of the present disclosure, in operation 1009 , the EEC 503 may receive a service connection request using the third server 530 from an application (eg, the application 505 of FIG. 5 ). When the application 505 is switched from an inactive state to an active state, when the application 505 is first installed on the electronic device 400 , or when the application 505 is switched from a background state to a foreground state In this case, a connection request for a service using the third server 530 may be transmitted to the EEC 503 .

According to various embodiments of the present disclosure, in operation 1011 , the EEC 503 may check whether the access information of the third server 530 has expired. The EEC 503 may check whether the access information of the third server 530 has expired based on the TTL information. If the difference between the current time and the time at which the edge service discovery response message is received is less than (or less than) the TTL value, the EEC 503 determines that the access information of the third server 530 has not expired, and edge service discovery A connection operation between the electronic device 400 and the third server 530 may be performed using the access information of the third server 530 included in the response message. In the EEC 503 , when the difference between the current time and the time at which the edge service discovery response message is received is equal to or greater than (or greater than) the TTL value, the access information of the third server 530 has expired, and the third server 530 has expired. It can be determined that the access information of the

According to various embodiments of the present disclosure, when the access information of the plurality of third servers 530 is included in the edge service discovery response message, the EEC 503 transmits the access information of each of the plurality of third servers 530 . validity can be judged. The EEC 503 may update the expired and invalid access information among the access information of each of the plurality of third servers 530 .

Referring to Table 12, the EEC 503 may determine whether access information of the third server 530 having an identifier of EAS1 expires, respectively. Assuming that 120 seconds have elapsed from the time of receiving the edge service discovery message shown in Table 12, the EEC 503 may determine that the access information of the third server corresponding to EAS 1 is not valid, and in EAS 2 It may be determined that the corresponding access information of the third server is valid.

According to various embodiments of the present disclosure, when the EEC 503 receives a connection request for a service using the third server 530 from the application 505 , the EEC 503 determines the validity of the access information of the third server 530 . can do. According to another embodiment, the EEC 503 may determine the validity of the access information of the third server 530 included in the edge service discovery response message at predetermined time intervals.

According to various embodiments of the present disclosure, in operation 1013 , the EEC 503 is configured to update the access information of the third server 530 in response to confirming that the access information of the third server 530 is not valid. An edge service discovery request message may be transmitted to the second server 520 .

Assuming that 120 seconds have elapsed from the time of receiving the edge service discovery message shown in Table 12, the EEC 503 may determine that the access information of the third server corresponding to EAS 1 is not valid, and in EAS 1 An edge service discovery request message for requesting access information of the corresponding third server may be transmitted to the second server 520 . The edge service discovery request message transmitted in operation 1013 may further include information indicating a service available to the application 505 in the edge service discovery request message. The edge service discovery request message transmitted in operation 1013 may be implemented in the form shown in Table 13, for example.

Identifier of EEC 503 1000 Connection token of the second server 520 123456780 Identifier (ACID) of the application 505 installed on the electronic device 400 com.andriod.app1 query filter eas1 and/or app1.edge.com

According to various embodiments of the present disclosure, the second server 520 receives the edge service discovery request message, and a service identifier (eg, the third server 530) for identifying the edge service included in the edge service discovery request message. at least one of an identifier (EASID) of , an identifier (ACID) of an application installed on the electronic device 400 , and/or a domain address of the third server 530 ). The second server 520 may check access information of the third server 530 capable of providing a service corresponding to the service identifier.

According to various embodiments of the present disclosure, in operation 1015 , the second server 520 may transmit an edge service discovery response message including access information of the third server 530 . The edge service discovery response message may include updated access information of the third server 530 . The edge service discovery response message may be implemented in the form shown in Table 14. Referring to Table 14, it can be confirmed that the IP address of the endpoints of the third server is changed.

3rd server list value Identifier of the third server EAS1 3rd server access address information domain name app1.edge.com IP address 4.4.4.4 Identifier (ACID) of the application 505 installed on the electronic device 400 com.andriod.app1 TTL 60

According to various embodiments of the present disclosure, in operation 1017 , the EEC 503 connects between the application 505 and the third server 530 based on the access information of the third server 530 included in the edge service discovery response message. connection can be established.

According to various embodiments of the present disclosure, in operation 1019 , the application 505 performs a service using the third server 530 in a manner of transmitting or receiving application data with the third server 530 connected in operation 1019 . can do.

11 is a flowchart illustrating an operation in which an electronic device transmits an edge service discovery request message according to whether access information of a third server has expired, according to various embodiments of the present disclosure;

According to various embodiments of the present disclosure, in operation 1101 , EEC executed on a processor (eg, processor 501 of FIG. 5 ) or processor 501 of an electronic device (eg, electronic device 400 of FIG. 4 ) (eg, EEC 503 in FIG. 5 ) is based on access information of a second server (eg, second server 520 in FIG. 5 ) to a third server (eg, third server 530 in FIG. 5 ) An edge service discovery request message for requesting access information may be transmitted to the second server 520 .

According to various embodiments of the present invention, the discovery request message is an identifier of the EEC 503, token information for authenticating the access right of the second server 520, and/or a third server connected to the second server 520 ( information indicating the search condition of the 530 ) (eg, an identifier (EAS ID) of the third server 530 or the third server 530 or an identifier (ACID) of an application installed on the electronic device 400 ). can

According to various embodiments of the present disclosure, in operation 1103 , the processor 501 or the EEC 503 may receive an edge service discovery response message including at least a portion of access information of the third server 5300 .

According to various embodiments of the present disclosure, the edge service discovery response message may include access information of the two third servers 530 . The access information of the third server 530 includes an identifier (EASID) of the third server 530, access information of the third server 530 (eg, a domain name (FQDN) of the third server 530), and the third server. 530 ), an identifier (ACID) of an application installed on the electronic device 400 , and a TTL.

According to various embodiments of the present disclosure, in operation 1105 , the processor 501 or the EEC 503 receives a service connection request using the third server 530 from an application (eg, the application 505 in FIG. 5 ). can

According to various embodiments of the present disclosure, in operation 1107 , the processor 501 or the EEC 503 may check whether access information of the third server 530 is valid.

According to various embodiments of the present disclosure, the EEC 503 may check whether the access information of the third server 530 is valid based on the TTL included in the access information of the third server 530 . TTL may mean a valid time of access information of the third server 530 . For example, the access information of the third server 530 may be valid within a time specified by TTL from the time the edge service discovery response message is received. The access information of the third server 530 may not be valid after a time designated as TTL. That the access information of the third server 530 is valid may mean that it is access information capable of performing a connection between the third server 530 and the electronic device 400 . When the connection information of the third server 530 is invalid, the connection information of the third server 530 is changed after a time designated as TTL, so that a connection between the third server 530 and the electronic device 400 is performed. It may mean that the connection information cannot be accessed.

According to various embodiments of the present disclosure, when the difference between the current time and the time at which the edge service discovery response message is received is less than (or less than) the TTL value, the EEC 503 determines that the access information of the third server 530 is It is determined that it has not expired (operation 1107-Y), and in operation 1113 , a connection between the electronic device 400 and the third server 530 using the access information of the third server 530 included in the edge service discovery response message. action can be performed. In the EEC 503 , when the difference between the current time and the time at which the edge service discovery response message is received is equal to or greater than (or greater than) the TTL value, the access information of the third server 530 has expired, and the third server 530 . It can be determined that the access information of the

According to various embodiments of the present disclosure, in operation 1109 , the processor 501 or the EEC 503 checks that the access information of the third server 530 is not valid (operation 1107-N), 3 An edge service discovery request message for updating access information of the server 530 may be transmitted to the second server 520 .

According to various embodiments of the present disclosure, the edge service discovery request message transmitted in operation 1109 may further include information indicating a service available to the application 505 in the edge service discovery request message.

According to various embodiments of the present disclosure, the second server 520 receives the edge service discovery request message, and a service identifier (eg, the third server 530) for identifying the edge service included in the edge service discovery request message. at least one of an identifier (EASID) of , an identifier (ACID) of an application installed on the electronic device 400, and/or a domain name (FQDN)). The second server 520 may check access information of the third server 530 capable of providing a service corresponding to the service identifier.

According to various embodiments of the present disclosure, in operation 1111 , the processor 501 or the EEC 503 may receive an edge service discovery response message from the second server 520 .

According to various embodiments of the present disclosure, the edge service discovery response message may include updated access information of the third server 530 .

According to various embodiments of the present disclosure, in operation 1113 , the processor 501 or the EEC 503 connects to the application 505 and the third based on the access information of the third server 530 included in the edge service discovery response message. A connection between the servers 530 may be established.

According to various embodiments of the present disclosure, the application 505 may perform a service using the third server 530 by transmitting or receiving application data with the third server 530 connected in operation 1113 .

The electronic device 400 may receive valid access information of the third server 530 by determining the validity of the access information of the third server 530 and retransmitting the edge service discovery request message, and separately The update of the access information of the third server 530 may be implemented through retransmission of the edge service discovery request message without the complicated operation of .

An electronic device according to various embodiments of the present disclosure includes a memory for storing an application and/or an edge enabler client (EEC); a communication circuit for use in a communication connection between the electronic device and a first server, a second server and/or a third server external to the electronic device via a base station; and a processor, wherein the application is configured to perform one or more functions corresponding to an application that can be executed in the third server on the electronic device, and the processor is configured to connect the second server from the first server. Receive connection information of the second server, receive connection information of a third server from each of a plurality of second servers accessed based on the connection information of the second server, and service connection using the third server of the application In response to a request, in response to identifying at least one or more third servers capable of providing the service based on access information of the third server, and confirming that there are a plurality of third servers capable of providing the service , selecting a third server to request access from among the plurality of third servers based on the priority of the plurality of second servers included in the access information of the second server, and using the selected third server It can be set to perform a service.

In the electronic device according to various embodiments of the present disclosure, the processor is configured to select a third server included in the access information of the third server provided by the second server having the highest priority among the plurality of third servers can be set.

In the electronic device according to various embodiments of the present disclosure, the priority may be determined by the first server receiving the performance information of the third server from the second server based on the performance information of the third server .

In the electronic device according to various embodiments of the present disclosure, in response to confirming that the access information of the second server does not include information on priorities of the second servers, the processor performs the performance of the third server It may be configured to check whether the information is included in the access information of the third server, and select a third server to request access from among the plurality of third servers based on the performance information of the third server.

In the electronic device according to various embodiments of the present disclosure, the performance information of the third server includes performance information on available resources of the third server, and the processor is configured to perform a weight assignment based on a weight assigned to each of the available resources. to select a third server to request access from among the plurality of third servers.

In the electronic device according to various embodiments of the present disclosure, the processor may be configured to change the weight based on a service characteristic used by a previous application.

In the electronic device according to various embodiments of the present disclosure, in response to confirming that the access information of the second server does not include information on priorities of the second servers, the processor includes the second server and the It may be configured to select a third server to request access from among the plurality of third servers based on a state of a communication connection between the electronic devices.

In the electronic device according to various embodiments of the present disclosure, the processor is configured to: based on a difference between a time at which a signal requesting access information of the third server is transmitted and a time at which access information of the third server is received It may be configured to check a state of a communication connection between a server and the electronic device.

An electronic device according to various embodiments of the present disclosure includes a memory for storing an application and/or an edge enabler client (EEC); a communication circuit for use in a communication connection between the electronic device and a first server, a second server and/or a third server external to the electronic device via a base station; and a processor, wherein the application is configured to perform one or more functions corresponding to an application that can be executed in the third server on the electronic device, and the processor is configured to connect the second server from the first server. Receives the access information of the second server, transmits an edge service discovery request message requesting access information of the third server to the second server based on the access information of the second server, and sends an edge service discovery response message to the Received from the second server, and in response to a service connection request using the third server of the application, check whether a part of the information necessary for accessing the third server among the above is present in the edge service discovery response message, , in response to confirming that a part of the information necessary for accessing the third server does not exist in the edge service discovery response message, it may be configured to transmit a message for activating the third server to the second server. .

In the electronic device according to various embodiments of the present disclosure, the information necessary for accessing the third server may include at least one of an identifier of the application, a domain name of the third server, and an IP address of the third server. .

In the electronic device according to various embodiments of the present disclosure, the processor may be configured to transmit the edge service discovery request message to the second server as part of an operation of transmitting a message for activating the third server.

In the electronic device according to various embodiments of the present disclosure, the edge service discovery message includes at least an identifier of an application installed in the third server and information necessary for accessing the third server among information included in the edge service discovery response message. may contain one.

An electronic device according to various embodiments of the present disclosure includes a memory for storing an application and/or an edge enabler client (EEC); a communication circuit for use in a communication connection between the electronic device and a first server, a second server and/or a third server external to the electronic device via a base station; and a processor, wherein the application is configured to perform one or more functions corresponding to an application executable in the third server on the electronic device, and the processor is configured to perform a second connection from a first server to a second server. Receives access information of the server, transmits an edge service discovery message requesting access information of the third server to the second server based on the access information of the second server, and transmits the access information of the third server to the second server Received from the second server and in response to a service connection request using the third server of the application, it is determined whether the access information of the third server has expired or not, a time to live (TTL) included in the access information of the third server In response to confirming based on the information and confirming that the access information of the third server has expired, the edge service discovery message may be configured to be transmitted back to the second server.

12 is an operation flowchart illustrating a method 1200 of operating an electronic device according to various embodiments of the present disclosure.

According to various embodiments of the present disclosure, operations 1210 to 1250 are executed on a processor (eg, processor 501 of FIG. 5 ) or processor 501 of an electronic device (eg, electronic device 400 of FIG. 4 ). may be performed in an EEC (eg, EEC 503 of FIG. 5 ).

According to various embodiments of the present disclosure, in operation 1210 , the electronic device (eg, the electronic device 400 of FIG. 4 ) receives a plurality of second servers (eg, the second server 520 - a or 520 - of FIG. 6 ). b)) may receive access information from the first server (eg, the first server 510 of FIG. 5 ).

According to various embodiments of the present disclosure, the access information of the second server 520-a or 520-b includes an identifier of the second server 520-a or 520-b, and the second server 520-a or 520-b. b) access address information (eg, IP address information of the second server 520-a or 520-b, domain information of the second server 520-a or 520-b, or the second server 520-a or 520-b) 520-b) of the URI information).

According to various embodiments of the present disclosure, the first server 510 determines the priority of the second server 520-a or 520-b, and the second server 520-a or 520 including priority information -b) connection information may be transmitted to the EEC 503 . The priority may refer to an order in which a specific second server can be connected first among the plurality of second servers 520 - a or 520 - b. The priority may be allocated differently for each second server 520-a or 520-b.

According to various embodiments of the present disclosure, the first server 510 prioritizes the plurality of second servers 520-a or 520-b according to a designated method (eg, contractual relationship with a service provider). can decide

According to various embodiments of the present disclosure, the first server 510 may store the designated priorities of the plurality of second servers 520-a or 520-b. For example, the priority of the plurality of second servers 520-a or 520-b is determined by the operator (or operator) of the first server 510 and the operator of the plurality of second servers 520-a or 520-b. may be designated based on the contractual relationship of For example, the operator of the second server 520 - a connected to the third server 530 - a among a plurality of third servers 530 - a and 530 - b that at least some of which provide the same service may be different from the operator of the second server 520-b connected to the third server 530-b. The first server 510 may store the priority of each of the plurality of second servers 520-a and 520-b designated by the operator. For another example, the priority of each of the plurality of second servers 520 - a and 520 - b is determined by the second servers 520 - a and 520 - b and/or the third servers 530 - a , 530-b) may be designated based on at least one of each coverage and location. Priority may be designated by various methods other than the above-described embodiment. According to various embodiments of the present disclosure, the second server 520 transmits the performance information of the third server 530-a or 530-b in a designated manner (eg, periodically to the third server 530-a or 530-b). ) to request the transmission of performance information). The performance information of the third server 530-a or 530-b includes performance information of various processing units (eg, CPU, NPU, memory, or GPU) allocated to the third server 530-a or 530-b. can mean The second server 520-a or 520-b transmits the performance information of the third server 530-a or 530-b to the first server 510, and the first server 510 transmits a plurality of second To determine the priority of the plurality of second servers 520-a or 520-b based on the performance information of the third server 530-a or 530-b transmitted by the server 520-a or 520-b can

According to various embodiments of the present disclosure, in operation 1220 , the electronic device 400 receives at least one or more third servers (eg, the third server of FIG. 5 ) from the plurality of second servers 520-a or 520-b. (530-a or 530-b)) may receive access information.

According to various embodiments of the present disclosure, the access information of the third server 530-a or 530-b is an identifier (EASID) of the third server 530-a or 530-b, on the electronic device 400 . The identifier (ACID) of the installed application 505 and/or the access address information of the third server 530-a or 530-b (eg, the IP address of the third server 530-a or 530-b, the third domain name of the server 530-a or 530-b).

According to various embodiments of the present disclosure, the access information of the third server 530-a or 530-b may further include performance information of the third server 530-a or 530-b. The second server 520-a or 520-b transmits the performance information of the third server 530-a or 530-b in a specified manner (eg, periodically to the third server 530-a or 530-b). method of requesting the transmission of information). The second server 520 - a or 520 - b may transmit an edge service discovery response message including the checked performance information of the third server 530 - a or 530 - b to the EEC 503 . When the EEC 503 does not include the priority information of the second server 420 in the access information of the second server, the third server included in the access information of the third server 530-a or 530-b A third server 530-a or 530-b to be connected may be selected based on the performance information of (530-a or 530-b).

According to various embodiments of the present disclosure, in operation 1230, the electronic device 400 responds to a service connection request using the third server 530-a or 530-b, and a third server ( 530-a or 530-b) can be identified.

According to various embodiments of the present disclosure, in operation 1240 , the electronic device 400 may access the third server 530-a or 530-b based on the priority of the second server 520-a or 520-b. can be selected.

According to various embodiments of the present disclosure, the EEC 503 may include the connection information of the second server 520-a or 520-b received from the first server 510 to the second server 520-a or 520-b. ), it is possible to check whether priority information of each exists. In response to the EEC 503 confirming that the priority information exists in the access information of the second server 520-a or 520-b, the third server 530-a or 530- to be connected based on the priority information b) can be selected. For example, the EEC 503 is the third server 530 connected to the second server 520-a or 520-b having the highest priority among the plurality of second servers 520-a or 520-b. -a or 530-b) can be selected as the server to connect to.

According to various embodiments of the present disclosure, in operation 1250 , the electronic device 400 may perform a service using the selected third server 530 -a or 530 -b.

A method of operating an electronic device according to various embodiments of the present disclosure may include: receiving, from a first server, access information of a second server for accessing a second server; receiving access information of a third server from each of a plurality of second servers accessed based on the access information of the second server; in response to a service connection request using the third server of an application, identifying at least one or more third servers capable of providing the service based on access information of the third server; In response to confirming that there are a plurality of third servers capable of providing the service, access from among the plurality of third servers based on the priority of the plurality of second servers included in the access information of the second server selecting a third server to request; and performing the service by using the selected third server.

In the method of operating an electronic device according to various embodiments of the present disclosure, the selecting of the third server includes access information of the third server provided by a second server having the highest priority among the plurality of third servers. may include an operation of selecting a third server included in the .

In the method of operating an electronic device according to various embodiments of the present disclosure, the priority is determined by the first server receiving the performance information of the third server from the second server based on the performance information of the third server. It may include the determined priority.

In the method of operating an electronic device according to various embodiments of the present disclosure, the selecting of the third server is performed by confirming that the access information of the second server does not include information on priorities of the second servers. correspondingly, checking whether the performance information of the third server is included in the access information of the third server; and selecting a third server to request access from among the plurality of third servers based on the performance information of the third server.

In the method of operating an electronic device according to various embodiments of the present disclosure, the performance information of the third server includes performance information on available resources of the third server, and the operation of selecting the third server includes the available resources. The method may further include selecting a third server to request access from among the plurality of third servers based on a weight assigned to each of the resources.

The method of operating an electronic device according to various embodiments of the present disclosure may further include changing the weight based on a service characteristic used by the application.

In the method of operating an electronic device according to various embodiments of the present disclosure, in response to confirming that the access information of the second server does not include information on priorities of the second servers, the second server and the electronic device The method may further include selecting a third server to request access from among the plurality of third servers based on a state of a communication connection between devices.

In the method of operating an electronic device according to various embodiments of the present disclosure, the second server is based on a difference between a time at which a signal requesting access information of the third server is transmitted and a time at which access information of the third server is received. and checking a state of a communication connection between the electronic devices.

The electronic device according to various embodiments disclosed in this document may have various types of devices. The electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance device. The electronic device according to the embodiment of the present document is not limited to the above-described devices.

It should be understood that the various embodiments of this document and the terms used therein are not intended to limit the technical features described in this document to specific embodiments, and include various modifications, equivalents, or substitutions of the embodiments. In connection with the description of the drawings, like reference numerals may be used for similar or related components. The singular form of the noun corresponding to the item may include one or more of the item, unless the relevant context clearly dictates otherwise. As used herein, "A or B", "at least one of A and B", "at least one of A or B," "A, B or C," "at least one of A, B and C," and "A , B, or C" each may include all possible combinations of items listed together in the corresponding one of the phrases. Terms such as “first”, “second”, or “first” or “second” may simply be used to distinguish the component from other components in question, and may refer to components in other aspects (e.g., importance or order) is not limited. that one (eg first) component is “coupled” or “connected” to another (eg, second) component with or without the terms “functionally” or “communicatively” When referenced, it means that one component can be connected to the other component directly (eg by wire), wirelessly, or through a third component.

As used herein, the term “module” may include a unit implemented in hardware, software, or firmware, and may be used interchangeably with terms such as, for example, logic, logic block, component, or circuit. A module may be an integrally formed part or a minimum unit or a part of the part that performs one or more functions. For example, according to an embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

Various embodiments of the present document include one or more instructions stored in a storage medium (eg, internal memory 136 or external memory 138) readable by a machine (eg, electronic device 101). may be implemented as software (eg, the program 140) including For example, the processor (eg, the processor 120 ) of the device (eg, the electronic device 101 ) may call at least one of one or more instructions stored from a storage medium and execute it. This makes it possible for the device to be operated to perform at least one function according to the at least one command called. The one or more instructions may include code generated by a compiler or code executable by an interpreter. The device-readable storage medium may be provided in the form of a non-transitory storage medium. Here, 'non-transitory' only means that the storage medium is a tangible device and does not contain a signal (eg, electromagnetic wave), and this term is used in cases where data is semi-permanently stored in the storage medium and It does not distinguish between temporary storage cases.

According to one embodiment, the method according to various embodiments disclosed in this document may be provided as included in a computer program product. Computer program products may be traded between sellers and buyers as commodities. The computer program product is distributed in the form of a device-readable storage medium (eg compact disc read only memory (CD-ROM)), or through an application store (eg Play Store™) or on two user devices (eg, It can be distributed (eg downloaded or uploaded) directly, online between smartphones (eg: smartphones). In the case of online distribution, at least a part of the computer program product may be temporarily stored or temporarily created in a machine-readable storage medium such as a memory of a server of a manufacturer, a server of an application store, or a relay server.

According to various embodiments, each component (eg, a module or a program) of the above-described components may include a singular or a plurality of entities. According to various embodiments, one or more components or operations among the above-described corresponding components may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (eg, a module or a program) may be integrated into one component. In this case, the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. . According to various embodiments, operations performed by a module, program, or other component are executed sequentially, in parallel, repeatedly, or heuristically, or one or more of the operations are executed in a different order, or omitted. or one or more other operations may be added.

Claims (16)

In an electronic device,
memory for storing applications and/or edge enabler clients (EECs);
a communication circuit for use in a communication connection between the electronic device and a first server, a second server and/or a third server external to the electronic device via a base station; and
including a processor;
The application is
It is configured to perform one or more functions corresponding to an application that can be executed in the third server on the electronic device,
the processor
Receiving access information of a second server for accessing the second server from the first server,
receiving access information of a third server from each of a plurality of second servers accessed based on the access information of the second server;
In response to a service connection request using the third server of the application, at least one or more third servers capable of providing the service are identified based on access information of the third server,
In response to confirming that there are a plurality of third servers capable of providing the service, access from among the plurality of third servers based on the priority of the plurality of second servers included in the access information of the second server select a third server to request, and
An electronic device configured to perform the service using the selected third server.
The method of claim 1,
the processor
An electronic device configured to select a third server included in access information of the third server provided by a second server having the highest priority among the plurality of third servers.
The method of claim 1,
The priority is
The first server receiving the performance information of the third server from the second server is determined based on the performance information of the third server.
The method of claim 1,
the processor
In response to confirming that the access information of the second server does not include information on the priority of the second servers, it is determined whether the performance information of the third server is included in the access information of the third server. check,
An electronic device configured to select a third server to request access from among the plurality of third servers based on the performance information of the third server.
5. The method of claim 4,
The performance information of the third server includes performance information on available resources of the third server,
the processor
An electronic device configured to select a third server to request access from among the plurality of third servers based on a weight assigned to each of the available resources.
6. The method of claim 5,
the processor
An electronic device configured to change the weight based on a service characteristic used by the application.
The method of claim 1,
the processor
In response to confirming that the access information of the second server does not include information on the priority of the second servers, the plurality of second servers based on a state of a communication connection between the second server and the electronic device An electronic device configured to select a third server to request access from among the three servers.
8. The method of claim 7,
the processor
Set to check the state of the communication connection between the second server and the electronic device based on a difference between a time when a signal requesting access information of the third server is transmitted and a time when access information of the third server is received electronic device.
A method of operating an electronic device, comprising:
receiving, from the first server, connection information of a second server for connection of a second server;
receiving access information of a third server from each of a plurality of second servers accessed based on the access information of the second server;
in response to a service connection request using the third server of an application, identifying at least one or more third servers capable of providing the service based on access information of the third server;
In response to confirming that there are a plurality of third servers capable of providing the service, access from among the plurality of third servers based on the priority of the plurality of second servers included in the access information of the second server selecting a third server to request; and
and performing the service by using the selected third server.
10. The method of claim 9,
The operation of selecting the third server is
and selecting a third server included in access information of the third server provided by a second server having the highest priority among the plurality of third servers.
10. The method of claim 9,
The priority is
The method of operating an electronic device, wherein the first server receiving the performance information of the third server from the second server includes a priority determined based on the performance information of the third server.
10. The method of claim 9,
The operation of selecting the third server is
In response to confirming that the access information of the second server does not include information on the priority of the second servers, it is determined whether the performance information of the third server is included in the access information of the third server. action to confirm; and
and selecting a third server to request access from among the plurality of third servers based on performance information of the third server.
10. The method of claim 9,
The operation of selecting the third server is
In response to confirming that the access information of the second server does not include information on the priority of the second servers, it is determined whether the performance information of the third server is included in the access information of the third server. action to confirm; and
and selecting a third server to request access from among the plurality of third servers based on performance information of the third server.
14. The method of claim 13,
The method of operating the electronic device includes
The method of operating an electronic device further comprising changing the weight based on a service characteristic used by the application.
10. The method of claim 9,
The method of operating the electronic device includes
In response to confirming that the access information of the second server does not include information on the priority of the second servers, the plurality of second servers based on a state of a communication connection between the second server and the electronic device The method of operating an electronic device further comprising the operation of selecting a third server to request access from among the three servers.
16. The method of claim 15,
The method of operating the electronic device includes
Checking a state of a communication connection between the second server and the electronic device based on a difference between a time when a signal requesting access information from the third server is transmitted and a time when access information from the third server is received The method of operating an electronic device further comprising a.

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