WO2015137604A1 - 클라우드 스트리밍 서버 테스트 방법, 이를 위한 장치 및 시스템 - Google Patents
클라우드 스트리밍 서버 테스트 방법, 이를 위한 장치 및 시스템 Download PDFInfo
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- WO2015137604A1 WO2015137604A1 PCT/KR2014/012350 KR2014012350W WO2015137604A1 WO 2015137604 A1 WO2015137604 A1 WO 2015137604A1 KR 2014012350 W KR2014012350 W KR 2014012350W WO 2015137604 A1 WO2015137604 A1 WO 2015137604A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
- H04L43/55—Testing of service level quality, e.g. simulating service usage
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/401—Support for services or applications wherein the services involve a main real-time session and one or more additional parallel real-time or time sensitive sessions, e.g. white board sharing or spawning of a subconference
- H04L65/4015—Support for services or applications wherein the services involve a main real-time session and one or more additional parallel real-time or time sensitive sessions, e.g. white board sharing or spawning of a subconference where at least one of the additional parallel sessions is real time or time sensitive, e.g. white board sharing, collaboration or spawning of a subconference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
- H04L65/764—Media network packet handling at the destination
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/80—Responding to QoS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
Definitions
- the present invention relates to a method for testing a cloud streaming server, an apparatus and a system therefor. It relates to a cloud streaming server test method, apparatus and system for this.
- the present invention is Korean Patent Application No. 10-2014-0028005 filed March 10, 2014, Korea Patent Application No. 10-2014-0028006 filed March 10, 2014, Korea filed May 28, 2014 Benefits of Patent Application No. 10-2014-64377, Korean Patent Application No. 10-2014-0064380 Filed May 28, 2014 and Korean Patent Application No. 10-2014-0067781 Filed June 3, 2014 Claims, all of which are hereby incorporated by reference.
- Cloud computing refers to Internet-based computer technology, and it is a user environment where a user can use the Internet at any time without installing the necessary software on his computer and can easily share data with various information communication devices. This means that individuals can access the web and work on programs like Photoshop and Office, and save their work on the web. Eventually, only one server (computer) is placed in the virtual space, and many people can personally work through these computers. A real-time seat reservation system for banks' ATMs, aircraft, and trains is typical.
- the service or function is executed through a server based on cloud computing, and only the result screen of the execution is sent to the user's terminal using streaming technology.
- the user can use a service or a function requiring high specification or high function through the terminal.
- a technology that enables a user terminal to use various services or functions through a screen virtualization technology that executes a specific service or function according to a request of the user terminal and transmits the result to the user terminal is called a cloud streaming service.
- the present invention has been proposed to solve the above-described problems, and to provide a method for testing a cloud streaming server, an apparatus and a system therefor, which can test whether a server providing a cloud streaming service operates normally.
- an object of the present invention is to provide a test result screen from a plurality of cloud streaming servers to detect failures occurring in a cloud streaming server by comparing them with each other, and then test the screen by capturing a test result screen after masking on an animated part. To prevent it.
- an object of the present invention is to provide a test result screen from a plurality of cloud streaming server, if the failures found when compared with each other more than a predetermined number, by changing the reference server to prevent the test results are distorted due to the failure of the reference server It is.
- an object of the present invention is to provide a test result screen from a plurality of cloud streaming server to compare with each other to detect a failure occurred in the cloud streaming server and at the same time detect a connection error to the cloud streaming server, operating error of the cloud streaming server And test for connection errors together.
- an object of the present invention is to provide a test result screen from a plurality of cloud streaming server to compare with each other to detect failures occurring in the cloud streaming server, to prevent the test error by capturing the test result screen at an appropriate timing.
- an object of the present invention is to receive a test result screen from a plurality of cloud streaming server to compare with each other in detecting a failure in the cloud streaming server, cloud application common test script key input that can generate the same common screen
- cloud application common test script key input that can generate the same common screen
- a cloud streaming server test apparatus comprising: virtual client modules configured to receive test results corresponding to a predetermined test script key input from cloud streaming servers to generate test result videos; A comparator for masking the test result videos to generate masked videos and comparing the test result images generated by capturing the masked videos; And a test controller to determine whether any one or more of the cloud streaming servers fail according to the comparison result.
- the comparator may mask a portion to which the animation effect is applied among the test result videos.
- the comparison unit determines a reference server among the cloud streaming servers, captures and generates a test result image generated by capturing a masked video corresponding to the reference server, and masked videos corresponding to other cloud streaming servers.
- the test results images can be compared.
- the test controller may determine that the corresponding cloud streaming server does not have a failure when the two images to be compared match each other, and may determine that the corresponding cloud streaming server has a failure when the two images do not coincide with each other.
- test result images corresponding to other cloud streaming servers may be captured at the same time as the test result image corresponding to the reference server.
- the cloud streaming server test method comprises the steps of: receiving test results corresponding to a predetermined test script key input from the cloud streaming servers to generate test result videos; Masking the test result videos to generate masked videos; Comparing the test result images generated by capturing the masked videos; And determining whether any one or more of the cloud streaming servers fail according to the comparison result.
- the generating of the masked video may mask a portion of the test result videos to which an animation effect is applied.
- the comparing may include selecting a reference server among the cloud streaming servers, capturing a test result image generated by capturing a masked video corresponding to the reference server, and capturing masked videos corresponding to other cloud streaming servers.
- the test result images generated can be compared.
- the step of determining whether or not a failure if the two images to be compared with each other as a result of the comparison, the corresponding cloud streaming server may determine that there is no failure, if the two images do not match each other may determine that there is a failure in the cloud streaming server. .
- test result images corresponding to other cloud streaming servers may be captured at the same time as the test result image corresponding to the reference server.
- the test system of the cloud streaming server for transmitting test results corresponding to the predetermined test script key input for the failure test; And a test device for masking the test result videos to generate masked videos, and comparing the test result images generated by capturing the masked videos to determine whether one or more of the cloud streaming servers are in a state of failure. do.
- Cloud streaming server test apparatus for achieving the above object is a virtual to receive test results corresponding to a predetermined test script key input from the cloud streaming server to generate test result videos Client modules; A comparison unit comparing the test result image generated by capturing a test result video corresponding to a reference server, which is one of the cloud streaming servers, and the test result image generated by capturing test result videos corresponding to other cloud streaming servers. ; And a test controller to determine whether any one or more of the cloud streaming servers have failed according to the comparison result, and to change the reference server when a change condition of the reference server is satisfied.
- the test controller may determine that the corresponding cloud streaming server does not have a failure when the two images to be compared match each other, and may determine that the corresponding cloud streaming server has a failure when the two images do not coincide with each other.
- test result images corresponding to the other cloud streaming servers may be captured at the same time as the test result image corresponding to the reference server.
- the change condition of the reference server may be a condition in which the number of cloud streaming servers that are determined to have the failure among the other cloud streaming servers is equal to or greater than a predetermined reference value.
- the number of cloud streaming servers determined to be faulty before changing the reference server is greater than the number of cloud streaming servers determined to be faulty after changing the reference server, It can be determined that there is a failure in the reference server before the change.
- a method of changing a reference server for testing a cloud streaming server includes: generating, by the virtual client modules, test result videos received from cloud streaming servers to generate test result videos; Comparing a test result image generated by capturing a test result video corresponding to one of the cloud streaming servers and a test result image captured by capturing test result videos corresponding to other cloud streaming servers; Determining that at least one of the cloud streaming servers has a failure according to the comparison result; And changing the reference server when the change condition of the reference server is satisfied.
- test result images corresponding to other cloud streaming servers may be captured at the same time as the test result image corresponding to the reference server.
- the reference server change method the number of cloud streaming servers determined to have a failure before changing the reference server, the predetermined number more than the number of cloud streaming servers determined to have a failure after changing the reference server.
- the method may further include determining that the reference server before the change has a failure.
- the step of determining that the failure has occurred may be determined that the failure occurred based on the mismatch between the two images to be compared, as a result of the comparison.
- a test system of a cloud streaming server includes: cloud streaming servers transmitting test results corresponding to a predetermined test script key input for a failure test; And comparing the test result image generated by capturing a test result video corresponding to a reference server, which is one of the cloud streaming servers, with the test result image captured by capturing test result videos corresponding to other cloud streaming servers. And a test device for determining whether one or more of the cloud streaming servers fail, and for changing the reference server when a change condition of the reference server is satisfied.
- a computer-readable recording medium recording a program for executing the method of changing the reference server for testing the above-described cloud streaming server.
- Cloud streaming server test apparatus for achieving the above object is a virtual to receive test results corresponding to a predetermined test script key input from the cloud streaming server to generate test result videos Client modules; A test result image generated by detecting a connection error between the virtual client modules and the cloud streaming servers and capturing a test result video corresponding to a reference server which is one of the cloud streaming servers, and other cloud streaming servers.
- a test unit configured to compare test result images generated by capturing test result videos corresponding to the test result images; And a test controller to determine whether any one or more of the cloud streaming servers fail according to the comparison result and the connection error detection result.
- the test controller may determine that the corresponding cloud streaming server does not have a failure when the two images to be compared match each other, and may determine that the corresponding cloud streaming server has a failure when the two images do not coincide with each other.
- test result images corresponding to the other cloud streaming servers may be captured at the same time as the test result image corresponding to the reference server.
- connection error may include at least one of a connection attempt failure of any one of the cloud streaming servers of any one of the client modules and a transmission failure of the test result.
- the test unit may not perform a comparison test with the reference server for the cloud streaming server corresponding to the connection error.
- the test controller may generate a failure report by distinguishing a failure corresponding to a comparison result in which the two compared images do not match and a failure corresponding to the connection error.
- a method of testing a cloud streaming server includes: generating, by a virtual client modules, test result videos by receiving test results transmitted from cloud streaming servers; Detecting a connection error between the virtual client modules and the cloud streaming servers; Comparing a test result image generated by capturing a test result video corresponding to one of the cloud streaming servers and a test result image captured by capturing test result videos corresponding to other cloud streaming servers; And determining that at least one of the cloud streaming servers has a failure according to the comparison result and the connection error detection result.
- test result images corresponding to other cloud streaming servers may be captured at the same time as the test result image corresponding to the reference server.
- connection error may include any one or more of a connection attempt failure of any one of the client modules, one of the cloud streaming servers, and a transmission failure of the test result.
- the cloud streaming server test method may not perform a comparison test with the reference server for the cloud streaming server corresponding to the connection error.
- the determining of the occurrence of a failure may generate a failure report by distinguishing a failure corresponding to a comparison result in which two images to be compared do not match and a failure corresponding to the connection error.
- a test system of a cloud streaming server includes: cloud streaming servers transmitting test results corresponding to a predetermined test script key input for a failure test; And a test result image generated by detecting a connection error to the cloud streaming servers, capturing a test result video corresponding to a reference server which is one of the cloud streaming servers, and a test result corresponding to other cloud streaming servers. And a test device for comparing the test result images generated by capturing the videos to determine whether one or more of the cloud streaming servers have failed.
- a computer-readable recording medium recording a program for executing the above-described cloud streaming server test method.
- Cloud streaming server test apparatus for achieving the above object, to generate test result videos by receiving test results corresponding to a predetermined test script key input from the cloud streaming servers Virtual client modules; After the test result image and the test result video corresponding to the other cloud streaming servers generated by capturing the test result video corresponding to the reference server which is one of the cloud streaming servers after the steady state condition is satisfied A comparator for capturing and comparing the test result images; And a test controller to determine whether any one or more of the cloud streaming servers fail according to the comparison result.
- the steady state condition may be an elapsed condition of a preset time determined in correspondence with the preset test script key input.
- the steady state condition may be determined differently according to the preset test script key input.
- the test controller may determine that the corresponding cloud streaming server does not have a failure when the two images to be compared match each other, and may determine that the corresponding cloud streaming server has a failure when the two images do not coincide with each other.
- test result images corresponding to other cloud streaming servers may be captured at the same time as the test result image corresponding to the reference server.
- a method of testing a cloud streaming server includes: generating, by a virtual client modules, test result videos by receiving test results transmitted from cloud streaming servers; Determining whether a steady state condition is satisfied; If the steady state condition is satisfied, capturing test result videos corresponding to the reference server which is one of the cloud streaming servers and test result videos corresponding to the other cloud streaming servers to generate test result images; Comparing the test result image generated by capturing a test result video corresponding to the reference server with the test result image generated by capturing the other cloud streaming servers; And determining that at least one of the cloud streaming servers has a failure according to the comparison result.
- the steady state condition may be an elapsed condition of a preset time determined in correspondence with the preset test script key input.
- the steady state condition may be determined differently according to the preset test script key input.
- the test controller may determine that the corresponding cloud streaming server does not have a failure when the two images to be compared match each other, and may determine that the corresponding cloud streaming server has a failure when the two images do not coincide with each other.
- test result images corresponding to other cloud streaming servers may be captured at the same time as the test result image corresponding to the reference server.
- a test system of a cloud streaming server includes: cloud streaming servers transmitting test results corresponding to a predetermined test script key input for a failure test; And a test result image generated by capturing a test result video corresponding to a reference server, which is one of the cloud streaming servers, after satisfying a steady state condition, and test result videos corresponding to other cloud streaming servers after satisfying the steady state condition. And a test device for determining whether one or more of the cloud streaming servers have failed by comparing captured test result images.
- Cloud streaming server test apparatus transmits a common test script key input corresponding to the common screen to the cloud streaming server, the cloud streaming server from the Virtual client modules for receiving test results corresponding to a common test script key input to generate test result videos;
- a comparison unit comparing the reference result image corresponding to the common screen with one or more of test result images generated by capturing test result videos corresponding to the cloud streaming servers;
- a test controller to determine whether any one or more of the cloud streaming servers fail according to the comparison result.
- the common test script key input may allow two or more different applications to generate the same common screen.
- the common screen may be a screen without animation effects.
- the test controller may determine that the corresponding cloud streaming server does not have a failure when the two images to be compared match each other, and may determine that the corresponding cloud streaming server has a failure when the two images do not coincide with each other.
- test result images corresponding to cloud streaming servers may be captured at the same time point as the reference result image.
- Cloud streaming server test method the virtual client module, generating a common test script key input corresponding to the common screen;
- the virtual client modules receiving test results sent from cloud streaming servers in response to the common test script key input to generate test result videos; Comparing the reference result image corresponding to the common screen with one or more of the test result images generated by capturing the test result videos; And determining that at least one of the cloud streaming servers has a failure according to the comparison result.
- the common test script key input may allow two or more different applications to generate the same common screen.
- the common screen may be a screen without animation effects.
- test result images corresponding to cloud streaming servers may be captured at the same time point as the reference result image.
- the cloud streaming server may determine that there is no failure, if the two images do not match each other may determine that the failure in the cloud streaming server. .
- the cloud streaming server for transmitting test results corresponding to the common test script key input corresponding to the common screen for the failure test; And comparing one or more of reference result images corresponding to the common screen with test result images generated by capturing test result videos corresponding to the cloud streaming servers to determine whether one or more of the cloud streaming servers has failed. It includes a test device.
- At least one virtual client module having at least some functions identical to a real client terminal is provided, and a predetermined test result transmitted from at least one cloud streaming server.
- determining whether or not the cloud streaming server is operating normally there is an advantage that it is easier to detect the failure of the cloud streaming server.
- the present invention by detecting the failure of the server providing the cloud streaming service in advance, it is possible to provide a stable cloud streaming service, there is an excellent effect that can improve the service quality.
- the present invention after masking the animation effect portion of the test result video, the result screen is captured and compared with each other, the error occurs in the test result, such as reported that there is a failure even in the normal operation of the same service screen Can be prevented.
- the present invention can appropriately change the reference server for the cloud streaming server test to prevent the error propagation of the test result when a failure occurs in the reference server.
- the present invention receives a test result screen from a plurality of cloud streaming server to compare with each other to detect a failure in the cloud streaming server and at the same time detect a connection error to the cloud streaming server, connected to the operation error of the cloud streaming server You can test the error together.
- the present invention captures the result screens and compares them with each other to generate an error in the test result due to screen capture at inappropriate timing. Can be prevented.
- two or more applications can generate a common screen and send a common test script keystroke that can generate an execution result screen without animation to the cloud streaming server for testing, thereby improving the efficiency of the cloud streaming server test. Increase and minimize test errors.
- FIG. 1 is a diagram illustrating a test system of a cloud streaming server according to an exemplary embodiment of the present invention.
- FIG. 2 is a diagram illustrating a cloud streaming server test apparatus according to an embodiment of the present invention.
- FIG. 3 is a diagram illustrating a configuration of a virtual client module for receiving and processing test results according to an exemplary embodiment of the present invention.
- FIG. 4 is a flowchart illustrating a test process in a test system of a cloud streaming server according to an exemplary embodiment of the present invention.
- FIG. 5 is a flowchart illustrating a cloud streaming server test method according to an exemplary embodiment of the present invention.
- FIG. 6 is a flowchart illustrating a test process in a test system of a cloud streaming server according to an exemplary embodiment of the present invention.
- FIG. 7 is a flowchart illustrating a method of changing a reference server for testing a cloud streaming server according to an exemplary embodiment of the present invention.
- FIG. 8 is a diagram illustrating a cloud streaming server test apparatus according to another embodiment of the present invention.
- FIG. 9 is a flowchart illustrating a test process in a test system of a cloud streaming server according to an exemplary embodiment of the present invention.
- FIG. 10 is a flowchart illustrating a cloud streaming server test method according to an exemplary embodiment of the present invention.
- FIG. 11 is a timing diagram illustrating capture timing of a cloud streaming server test method according to an embodiment of the present invention.
- FIG. 12 is a flowchart illustrating a test process in a test system of a cloud streaming server according to an embodiment of the present invention.
- FIG. 13 is a flowchart illustrating a cloud streaming server test method according to an exemplary embodiment of the present invention.
- FIG. 14 is a flowchart illustrating a test process in a test system of a cloud streaming server according to an embodiment of the present invention.
- 15 is a flowchart illustrating a cloud streaming server test method according to an exemplary embodiment of the present invention.
- FIG. 1 is a diagram showing the configuration of a test system for a cloud streaming service according to an embodiment of the present invention.
- the cloud streaming system to which the present invention is applied includes a plurality of clients 100, 101, and 102 and a plurality of cloud streaming servers 130, 140, and 150 connected through a communication network 110.
- the present invention is connected to the plurality of cloud streaming server (130, 140, 150) through the communication network 110 to test whether the cloud streaming system operates normally, at least some of the functions of the client (100, 101, 102)
- the apparatus may further include a test device 120 including a virtual client module to perform the operation.
- test device 120 including three cloud streaming servers 130, 140, and 150 and three virtual client modules is illustrated, but the number of cloud streaming servers and the number of virtual client modules are limited thereto. It can be implemented in various combinations according to needs and designs.
- the clients 100, 101, and 102 refer to terminals capable of transmitting and receiving various data via the communication network 110.
- the clients 100, 101, and 102 are connected to the cloud streaming servers 130, 140, and 150 to provide cloud streaming services.
- the clients 100, 101, and 102 may be a tablet PC, a laptop, a personal computer, a smartphone, a personal digital assistant (PDA). Assistant), a smart TV, a mobile communication terminal, and a set-top box.
- PDA personal digital assistant
- the client (100, 101, 102) is operated and controlled by executing a browser, a memory for storing a program and a protocol for communicating with the cloud streaming server (130, 140, 150) via the communication network 110, various programs Means a terminal provided with a microprocessor for the purpose. That is, the clients 100, 101, and 102 may be any terminals as long as they can communicate with the cloud streaming servers 130, 140, and 150, and may include all communication computing devices such as notebook computers, mobile communication terminals, and PDAs. It's a broad concept.
- the client 100, 101, 102 accesses the cloud streaming server 130, 140, 150 to request a specific service or function according to a user input, and the result of executing the requested service or function.
- the screen may be received and output from the cloud streaming server 130, 140, or 150.
- the cloud streaming server 130, 140, 150 is a configuration that provides a specific service or function to the plurality of clients 100, 101, and 102 through the communication network 110, and in particular, may provide a cloud streaming service.
- the cloud streaming server 130, 140, 150 may provide a service or function, for example, regardless of OS type, CPU performance, memory capacity, or other software and hardware specifications of the client 100, 101, or 102.
- a service or a function according to a user input transmitted from the client 100, 101, 102 is performed, and as a result, a screen is displayed on the client 100, 101. , 102).
- the cloud streaming server (130, 140, 150) may have a screen virtualization function.
- the cloud streaming server (130, 140, 150) receives a predetermined test script key input in order to test whether the normal operation (that is, failure) test results (test result screen generated based on this) ) May be transmitted to each virtual client module of the test device 120.
- the communication network 110 refers to a network capable of transmitting and receiving data using an internet protocol using various wired and wireless communication technologies such as an internet network, an intranet network, a mobile communication network, and a satellite communication network.
- a communication network 110 is a closed network such as a local area network (LAN), a wide area network (WAN), an open network such as the Internet, as well as a code division multiple access (CDMA) and a wideband code division (WCDMA). It is a concept that collectively refers to networks such as Multiple Access (GSM), Global System for Mobile Communications (GSM), Long Term Evolution (LTE), and Evolved Packet Core (EPC), as well as next-generation networks and computing networks to be implemented.
- GSM Multiple Access
- GSM Global System for Mobile Communications
- LTE Long Term Evolution
- EPC Evolved Packet Core
- the test device 120 is a device for testing whether the cloud streaming servers 130, 140, and 150 operate normally.
- the test device 120 includes at least one virtual client module having at least some functions of the clients 100, 101, and 102.
- the test device 120 receives the test result received from the at least one cloud streaming server 130, 140, or 150 as the at least one virtual client module. Captures the output result image when the data is processed and outputs it to the screen, and compares the captured result image with a preset reference result image to determine whether the at least one cloud streaming server has failed according to a degree of matching. . More specifically, the test device 120 captures a predetermined time when the at least one virtual client module performs data processing such as decoding on a test result received from a specific cloud streaming server 130 and then outputs it to a screen. The result image output at the time point is compared with a preset reference result image (the reference result image may correspond to one of the cloud streaming servers under test).
- the corresponding cloud streaming server 130 may fail. It is determined that the cloud streaming server does not operate normally, and if it matches with each other, the cloud streaming server 130 is determined to operate normally. However, before capturing the result image, the test result video may be masked to generate a masked video, and the masked videos may be captured to generate a result image. In this case, the capture time may be set based on a time point at which the test result is transmitted from the at least one cloud streaming server 130, 140, or 150, and may be stored in advance in the test device 120.
- capture may be performed after satisfying the steady state conditions of the test result video. That is, after the test key script input is transmitted to the cloud streaming server 130, 140, 150, the final test result screen is generated according to the transmission time of the key script input or the operation speed of the cloud streaming server 130, 140, 150. Since the time taken may differ from each other, when the steady state result screen is transmitted from all the cloud streaming servers 130, 140, and 150 after sufficient time has elapsed, the test result screen should be captured to obtain an error-free test result.
- the test apparatus 120 transmits a common test script key input corresponding to the common screen to the cloud streaming servers 130, 140, and 150, and common test scripts from the cloud streaming servers 130, 140, and 150. Test results corresponding to keystrokes can be received.
- the common test script key input may allow two or more different applications to generate the same common screen.
- the common screen may be a screen without animation effects.
- the test device 120 masks the masked video by masking a portion of the test result videos generated by the cloud streaming servers 130, 140, and 150 that are animated and applied regardless of key input.
- the reference server 130 may be changed to another server 140 or 150.
- the test device 120 captures a test result video corresponding to the reference server 130, which is one of the cloud streaming servers 130, 140, and 150, and the other test results.
- the reference server 130 By comparing test result images generated by capturing test result videos corresponding to 140 and 150, it is determined whether one or more of the cloud streaming servers 130, 140, and 150 have failed, and a change of the reference server 130 is performed. If it is determined to be necessary (satisfaction of the change condition), the reference server 130 may be changed to another server 140 or 150.
- the test apparatus 120 may include a test result image generated by capturing a test result video corresponding to a reference server 130, which is one of the cloud streaming servers 130, 140, and 150, after satisfying a steady state condition, and By comparing test result images generated by capturing test result videos corresponding to other cloud streaming servers 140 and 150 after satisfying the steady-state condition, it is determined whether one or more of the cloud streaming servers 130, 140, and 150 have failed. If it is determined that the reference server 130 needs to be changed (satisfied with the change condition), the reference server 130 may be changed to another server 140 or 150.
- the steady state condition may be a condition of passage of a predetermined time determined in correspondence with a preset test script key input.
- the steady state condition may be determined differently according to the preset test script key input. In other words, if the test script key input is long, the steady state condition may also be changed corresponding to the long input processing.
- the change condition may be a condition in which the number of cloud streaming servers that are determined to be faulty among the cloud streaming servers is equal to or greater than a predetermined reference value.
- the test device 120 may detect a connection error to the cloud streaming servers 130, 140, and 150. For example, the test device 120 does not receive a connection attempt failure to the cloud streaming servers 130, 140, and 150, or the test result is not received from the cloud streaming servers 130, 140, and 150 for a preset time. If not, it can be determined as a connection error. That is, when the client module attempts to connect to the cloud streaming server and fails, or when the cloud streaming service screen is not transmitted from the cloud streaming server, the test device 120 separately detects a connection failure from the test through screen comparison. Can be notified.
- the test apparatus 120 may generate a masked video by masking a portion of the test result video to which an animation effect is applied, and compare the test result image with the masked video captured.
- the virtual client modules receive test results from different cloud streaming servers, and at least one virtual client module receives test results from different cloud streaming servers and outputs the result image as a reference result image.
- the comparison is to determine whether the cloud streaming server is operating normally according to the comparison result. That is, it is to determine whether the cloud streaming server 130, 140, 150 operates normally based on the screen image provided to the user by the actual clients 100, 101, and 102.
- the same input is masked and compared with an animated region where a difference in results may occur depending on a capture time point.
- the test device 120 may request the transmission of test results to the at least one cloud streaming server (130, 140, 150) at the same time, each cloud streaming server (130, 140, 150) in accordance with the request signal May transmit the test result.
- a virtual client module to receive and process test results transmitted from at least one cloud streaming server 130, 140, or 150 may be preset. That is, at least one cloud streaming server 130, 140, 150 and at least one virtual client module may be mapped one-to-one or many-to-one.
- the test device 120 may also transmit information on the virtual client module to receive it, and also, the virtual client When the module is mapped with more than one cloud streaming server, the request point of the test result transmission to the at least one cloud streaming server (130, 140, 150) to receive and process the test results sequentially from the more than one cloud streaming server Can be adjusted.
- test apparatus 120 The configuration of the test apparatus 120 according to an exemplary embodiment of the present invention will be described in detail with reference to FIGS. 2 and 3 attached to the system configured as described above.
- the test apparatus 120 includes a test controller 200, a storage 210, a comparator 220, an input 230, an output 240, and at least one virtual client module 250. , 252 and 254). Although the number of the virtual client modules 250, 252, and 254 is illustrated as three in this embodiment, the number of the virtual client modules 250, 252, and 254 may be changed according to system operation.
- the test control unit 200 performs all the controls necessary for determining whether or not the failure of the cloud streaming server (130, 140, 150), and when a request for determining whether the failure is made through the comparison unit 220, that is, by the test result
- the failure of the cloud streaming server is determined based on whether the captured image of the output screen matches the predetermined reference result image.
- the failure determination request time point may be a point in which the reception of the test result is detected by the virtual client modules 250, 252, and 254 and the reception is completed, or a point in which a failure determination request input is received through the input unit 230. It may be a time point according to a predetermined period. As such, a request for determining whether a failure occurs will occur depending on the configuration.
- the reference result image may be stored in advance, the result image output from the specific virtual client module among the at least one virtual client module 250, 252, 254 may be set as the reference result image.
- the test controller 200 changes the reference server to another cloud streaming server.
- the test result may be that all the servers in normal operation have failed as a result of comparing the reference server. If the reference server is properly changed, such a case may be prevented.
- the test controller 200 may determine that the corresponding cloud streaming server does not have a failure when the two images to be compared match each other, and may determine that the corresponding cloud streaming server has a failure when the two images do not coincide with each other.
- the test control unit 200 is more than the predetermined number of cloud streaming servers determined to have a failure before changing the reference server more than the predetermined number of cloud streaming servers determined to have a failure after changing the reference server. In this case, it may be determined that there is a failure in the reference server before the change.
- the storage unit 210 may store information necessary for the operation of the test apparatus 120.
- the storage unit 210 stores capture time point information for capturing the test result video in order to capture the result video for the test result transmitted from the at least one cloud streaming server 130, 140, or 150 at the same time. At this time, the capture time point may be after a steady state condition is satisfied for all cloud streaming servers.
- the storage unit 210 may store basic information about a test result transmitted from the cloud streaming server, and in particular, may store in advance a reference image of a specific time point, which is a reference for determining whether or not the cloud streaming server has a failure.
- the storage unit 210 may be an optical recording medium such as a magnetic media such as a hard disk, a floppy disk, and a magnetic tape, a compact disk read only memory (CD-ROM), or a digital video disk (DVD). And magneto-optical media such as floppy disks and ROM, random access memory (RAM), and flash memory.
- a magnetic media such as a hard disk, a floppy disk, and a magnetic tape, a compact disk read only memory (CD-ROM), or a digital video disk (DVD).
- CD-ROM compact disk read only memory
- DVD digital video disk
- magneto-optical media such as floppy disks and ROM, random access memory (RAM), and flash memory.
- the comparator 220 may request delivery of a test result video received from each of the virtual client modules 250, 252, and 254 under the control of the test controller 200, and output to the screen.
- the masking is performed on the portion to generate a masked video, and the test result image generated by capturing the masked video is compared with the reference result image, and then the comparison result is output to the test controller 200.
- the comparison unit 220 may further perform a process of setting the reference result image. That is, the comparison unit 220 is generated by capturing a test result image generated by capturing a masked video corresponding to a reference server, which is one of the cloud streaming servers, and test result videos corresponding to other cloud streaming servers. The test result images can be compared.
- test result images corresponding to other cloud streaming servers may be captured at the same time as the test result image corresponding to the reference server.
- the capture time point may be after satisfying a steady state condition for all cloud streaming servers.
- the input unit 230 may generate a user input signal corresponding to a request or information of the cloud streaming server manager according to an operation of the cloud streaming server manager, and may be implemented by various input means that are currently commercialized or that can be commercialized in the future. For example, it may include not only a general input device such as a keyboard, a mouse, a joystick, a touch screen, a touch pad, but also a gesture input means for detecting a user's motion and generating a specific input signal.
- a general input device such as a keyboard, a mouse, a joystick, a touch screen, a touch pad, but also a gesture input means for detecting a user's motion and generating a specific input signal.
- the output unit 240 is a means for providing a user recognition of the operation result or state of the test apparatus 120.
- the output unit 240 includes a display unit for visually outputting a screen or a speaker for outputting an audible sound. can do.
- the output unit 240 may visually output a result image processed and output from the at least one virtual client module 250, 252, 254, and also outputs the result image and the reference result image. It can be output by comparing or displaying the result of the failure of the cloud streaming server.
- the virtual client modules 250, 252, and 254 are virtualized clients 100, 101, and 102 that receive the cloud streaming service by accessing the cloud streaming servers 130, 140, and 150, and are the actual clients 100, 101. , 102 may perform at least some of the functions.
- the virtual client modules 250, 252, and 254 access the specific cloud streaming servers 130, 140, and 150 to receive respective test results from the specific cloud streaming servers 130, 140, and 150.
- the test result video may be generated by performing the same processing (for example, decoding, etc.) with the client 100, 101, and 102 on the received test result, and output the test result video to the screen through the output unit 240. .
- the virtual client modules 250, 252, and 254 may capture a result image output to the screen at a specific time point and transmit the result image to the comparator 220 according to a result image request of the comparator 220.
- the capture time may be received from the comparator 220 or may be stored in advance.
- the capture of the resulting image may be done, for example, by capturing image data stored in the frame buffer of the virtual client module 250, 252, 254.
- generating the test result image by capturing the test result video may be performed by the comparator 220.
- the virtual client module 250, 252, 254 provides a test script key input to the cloud streaming server, receives a test result corresponding to the test script key input from the cloud streaming server, and decodes the test result to generate a test result video.
- the test result may be viewed as encoded streaming video
- the test result video may be viewed as decoded streaming video.
- the virtual client modules 250, 252, 254 send a common test script key input corresponding to the common screen to the cloud streaming servers 130, 140, 150, and the cloud streaming servers 130, 140, 150.
- Test results corresponding to the common test key input may be generated to generate test result videos.
- the common test script key input may allow two or more different applications to generate the same common screen.
- the common screen may be a screen without animation effects.
- test script key input by using the common test script key input, a plurality of applications can share the test script key input, and further, the reference result image can be shared. Furthermore, the test result error can be prevented by using a common key script key input to generate a common screen without animation effects.
- FIG. 3 An internal configuration of the virtual client modules 250, 252, and 254 may be illustrated in FIG. 3. Since each virtual client module 250, 252, and 254 has the same configuration, the description of FIG. 3 will be described using the virtual client module 250 as an example.
- FIG. 3 is a diagram illustrating a configuration of a virtual client module for receiving and processing test results according to an exemplary embodiment of the present invention.
- the virtual client module 250 may include a control unit 300, a communication unit 302, and a storage unit 304.
- the virtual client module 250 may be a terminal device capable of receiving data provided from the cloud streaming server 130, 140, or 150, for example, a tablet PC, a laptop, a personal computer (PC). It may be implemented by virtualizing one terminal of a personal computer, a smart phone, a personal digital assistant (PDA), a smart TV, a mobile communication terminal, and a set-top box. Accordingly, the virtual client module 250 may be configured differently according to what kind of terminal device. In particular, in the present invention, the virtual client module 250 may be implemented to perform a function of receiving a test result and decoding a received test result, generating a test result video, and displaying a screen.
- the controller 300 performs overall control of the virtual client module 250, and in particular, displays the screen at a specific time point in response to a request from the cloud streaming server 130, 140, or 150 from the comparator 220 or the test unit 820.
- the extracted result image is transferred to the comparator 220 or the test unit 820.
- the control unit 300 may transmit a test result transmission request signal to the specific cloud streaming server 130, 140, 150 through the communication unit 302.
- the identification information of the virtual client module to receive it may be transmitted together, and according to the test schedule of the plurality of cloud streaming servers, the test result transmission request signal for each cloud streaming server may be sequentially Can transmit
- the communication unit 302 receives a test result transmitted from the cloud streaming server 130, 140, or 150 through the communication network 110.
- the communication unit 302 may transmit and receive data through various communication methods as well as wired and wireless methods.
- the communication unit 302 may transmit and receive data using one or more communication methods, and for this purpose, the communication unit 302 may include a plurality of communication modules that transmit and receive data according to different communication methods.
- the storage unit 304 stores information necessary for the operation of the virtual client module 250, and in particular, may store the test results received from the cloud streaming server 130, 140, or 150. In addition, the test result video which is finally outputted to the screen by performing predetermined data processing on the received test result may be stored, and the capture time information of the result image may be stored in advance according to the setting.
- the storage unit 304 is an optical recording medium such as a magnetic media such as a hard disk, a floppy disk, and a magnetic tape, a compact disk read only memory (CD-ROM), and a digital video disk (DVD). And magneto-optical media such as floppy disks and ROM, random access memory (RAM), and flash memory.
- FIG. 4 is a flowchart illustrating a process for testing whether a cloud streaming server is in a normal operation in a test system according to an exemplary embodiment of the present invention.
- the cloud streaming servers 130, 140, and 150 simultaneously transmit the test results to the virtual client modules 250, 252, and 254 of the test apparatus 120 (S402 to S406). That is, one cloud streaming server 130 transmits the test results to the virtual client module 250, the other cloud streaming server 140 transmits the test results to the virtual client module 252, and the other cloud streaming server 150. ) May send the test results to the virtual client module 254. Alternatively, one virtual client module may sequentially receive test results from the plurality of cloud streaming servers 130, 140, and 150 with a time difference.
- the cloud streaming server (130, 140, 150) may be to transmit a test result corresponding to the test script key input of the virtual client module (250, 252, 254).
- Each virtual client module 250, 252, 254 decodes the test result received from the cloud streaming server 130, 140, 150, generates a test result video, and provides the test result video to the comparator 220 (S414 to S419). .
- the providing of the test result video may be performed corresponding to the test request from the test controller 200.
- the comparator 220 may request delivery of test results received from the cloud streaming server 130, 140, or 150 to each of the virtual client modules 250, 252, and 254.
- the virtual client modules 250, 252, and 254 process the received test results as in the actual clients 100, 101, and 102 to generate a test result video, and then output them to the screen.
- the operation case video output to the screen at a point in time requested by the comparator 220 or a predetermined specific time point may be captured and transmitted to the comparator 220. That is, capturing a motion case video to generate a motion case image may be performed by the virtual client module 250 or may be performed by the comparator 220.
- the comparator 220 generates a masked video by masking a portion of the received test result video to which an animation is applied (S420).
- the portion to which the animation is applied is a portion that changes regardless of a key input, and may be a portion into which a moving object, an object that changes in size, shape, color, and the like is inserted. It may also be a part where a clock is displayed.
- the comparator 220 compares the test result image capturing each masked video with a predetermined reference result image and then transfers the comparison result to the test controller 200 (S424 and S426).
- the reference result image may prestore the result image that appears when the test result is normally transmitted and output, and the result image output from the specific virtual client module preset among the virtual client modules 250, 252, and 254. Can also be set as the reference result image.
- the comparison unit 220 may further perform a process of setting a reference result image before performing the comparison.
- the test control unit 200 determines whether or not the cloud streaming server failure according to the comparison result, in this case, if the result image captured in the test result received from the comparison result and the preset reference result image does not match with the corresponding cloud streaming server If it is determined that there is a failure, and match each other, it is determined that there is no failure in the cloud streaming server (S427).
- the comparison result is transmitted to the test control unit 200 for each of the cloud streaming server 130, 140, 150, the test control unit 200 to determine whether the failure for each cloud streaming server according to the comparison result Will be.
- FIG. 5 is a flowchart illustrating a method for testing whether the cloud streaming server 130, 140, or 150 operates normally in the test apparatus 120 according to an exemplary embodiment of the present invention.
- a key input corresponding to a test script is transmitted to cloud streaming servers by virtual client modules (S510), and from the cloud streaming servers.
- the virtual client modules receive the test results and generate test result videos (S520).
- the cloud streaming server test method generates a masked video by performing masking on a portion of the test result videos to which an animation effect is applied (S530).
- the cloud streaming server test method captures the masked videos to generate test result images (S540).
- test result images corresponding to the cloud streaming servers may be captured at the same time as the test result image corresponding to the reference server.
- step S540 may be performed by the virtual client modules 250, 252, and 254 shown in FIG. 2, or may be performed by the comparator 220.
- the cloud streaming server test method compares the test result image of the reference server with the test result image of other cloud streaming servers to determine whether the comparison result is consistent (S550, S570).
- the cloud streaming server test method determines that the cloud streaming server does not have a failure (S570).
- the cloud streaming server test method determines that the cloud streaming server has a failure (S580).
- FIG. 6 is a flowchart illustrating a process for testing whether a cloud streaming server is in a normal operation in a test system according to an exemplary embodiment of the present invention.
- the cloud streaming servers 130, 140, and 150 simultaneously transmit the test results to the virtual client modules 250, 252, and 254 of the test apparatus 120 (S602 to S606). That is, one cloud streaming server 130 transmits the test results to the virtual client module 250, the other cloud streaming server 140 transmits the test results to the virtual client module 252, and the other cloud streaming server 150. ) May send the test results to the virtual client module 254. Alternatively, one virtual client module may sequentially receive test results from the plurality of cloud streaming servers 130, 140, and 150 with a time difference.
- the cloud streaming server (130, 140, 150) may be to transmit a test result corresponding to the test script key input of the virtual client module (250, 252, 254).
- the test control unit 200 of the test device 120 receiving the test result requests a comparison using a test result image captured by the test result video according to the test request (S608 and S610).
- the comparison unit 220 of the test device 120 may request delivery of test results received from the cloud streaming server 130, 140, or 150 to each of the virtual client modules 250, 252, and 254.
- Each of the virtual client modules 250, 252, and 254 transmits a reception test result to the comparison unit 220 (S614, S618, and S622).
- the virtual client modules 250, 252, and 254 process the received test results as in the actual clients 100, 101, and 102 to generate a test result video, and then output them to the screen.
- the test result video output to the screen at a time point requested by the comparator 220 or a predetermined specific time point may be captured and transmitted to the comparator 220. That is, capturing the test result video to generate a test result image may be performed by the virtual client modules 250, 252, and 254, or may be performed by the comparator 220.
- the comparison unit 220 compares the test result image captured with each received test result video with a predetermined reference result image, and then transfers the comparison result to the test control unit 200 (S624 and S626).
- the reference result image may prestore the result image that appears when the test result is normally transmitted and output, and the result image output from the specific virtual client module preset among the virtual client modules 250, 252, and 254. Can also be set as the reference result image.
- the comparison unit 220 may further perform a process of setting a reference result image before performing the comparison.
- the test control unit 200 determines whether or not the cloud streaming server failure according to the comparison result, in this case, if the result image captured in the test result received from the comparison result and the preset reference result image does not match with the corresponding cloud streaming server If it is determined that there is a failure, and match each other, it is determined that there is no failure in the cloud streaming server (S627).
- the comparison result is transmitted to the test control unit 200 for each of the cloud streaming server 130, 140, 150, the test control unit 200 to determine whether the failure for each cloud streaming server according to the comparison result Will be.
- test control unit 200 determines whether the reference server change condition is satisfied (S628).
- test control unit 200 changes the reference server (S629).
- the change condition may be a condition in which the number of cloud streaming servers determined to have a failure is equal to or greater than a predetermined reference value. That is, if too many failures are detected, there may be a failure in the reference server. In this case, it is necessary to change the reference server to prevent incorrect test results.
- FIG. 7 is a flowchart illustrating a method of changing a reference server for testing whether the cloud streaming servers 130, 140, and 150 are normally operated in the test apparatus 120 according to an exemplary embodiment of the present invention.
- a key input corresponding to a test script is transmitted to cloud streaming servers by virtual client modules (S710). ).
- virtual client modules receive test results from cloud streaming servers to generate test result videos (S720).
- the reference server change method for testing a cloud streaming server captures test result videos to generate test result images (S730).
- test result images corresponding to the cloud streaming servers may be captured at the same time as the test result image corresponding to the reference server.
- step S730 may be performed by the virtual client modules 250, 252, and 254 shown in FIG. 2, or may be performed by the comparator 220.
- the method of changing the reference server for testing the cloud streaming server compares the test result image of the reference server with the test result image of other cloud streaming servers and determines whether the comparison result is the same (S740, S750).
- the method of changing the reference server for testing the cloud streaming server according to the embodiment of the present invention determines that the cloud streaming server has no obstacle (S751).
- the reference server change method for testing the cloud streaming server determines that the cloud streaming server has a failure (S760).
- the reference server change method for testing the cloud streaming server determines whether the reference server change condition is satisfied (S770).
- the change condition may be a condition in which the number of cloud streaming servers that are determined to be faulty among the cloud streaming servers is equal to or greater than a predetermined reference value.
- step S770 when it is determined that the reference server change condition is satisfied, the method of changing the reference server for testing the cloud streaming server according to the embodiment of the present invention changes the reference server (S780) and again the test result images. Compare (S740).
- test termination condition it is determined whether a test termination condition is satisfied (S752), and the operation ends when the test termination condition is satisfied.
- the test termination condition may be a test termination input received from a user, or may be a condition in which a failure of a predetermined level or less occurs for a preset period.
- the number of cloud streaming servers determined to be impaired before the reference server is changed is determined by the reference server.
- the method may further include determining that there is a fault in the reference server before the change.
- FIG. 8 is a diagram illustrating a cloud streaming server test apparatus according to another embodiment of the present invention.
- the test apparatus 120 includes a test control unit 800, a storage unit 810, a test unit 820, an input unit 830, an output unit 840, and at least one virtual client module 850 or 852. , 854).
- the number of the virtual client modules 850, 852, 854 is illustrated as three in this embodiment, the number of the virtual client modules 850, 852, 854 can be changed according to system operation.
- the test control unit 800 performs all the controls necessary for determining whether or not the failure of the cloud streaming server (130, 140, 150), and when a request for determining whether or not the failure is made through a comparison result, that is, the test result through the test unit 820
- the failure of the cloud streaming server is determined based on whether the captured image of the output screen matches the predetermined reference result image.
- the failure determination request time point may be a point in which the reception of the test result is detected by the virtual client modules 850, 852, and 854 and the reception is completed. It may be a time point according to a predetermined period. As such, a request for determining whether a failure occurs will occur depending on the configuration.
- the reference result image may be stored in advance, but the result image output from the specific virtual client module among the at least one virtual client module 850, 852, 854 may be set as the reference result image.
- test controller 800 may determine whether the failure is based on a connection error detection result between the virtual client module and the cloud streaming server.
- the test controller 800 may determine that the corresponding cloud streaming server does not have a failure when the two images to be compared match each other, and may determine that the corresponding cloud streaming server has a failure when the two images do not coincide with each other.
- the test controller 800 may generate a failure report by dividing a failure corresponding to a comparison result in which the two compared images do not match and a failure corresponding to the connection error.
- the test control unit 800 is more than the predetermined number of cloud streaming servers determined to have a failure before changing the reference server more than the predetermined number of cloud streaming servers determined to have a failure after changing the reference server. In this case, it may be determined that there is a failure in the reference server before the change.
- the storage unit 810 may store information necessary for the operation of the test device 120.
- the storage unit 810 stores capture time point information for capturing the test result video in order to capture the result video for the test result transmitted from the at least one cloud streaming server 130, 140, 150 at the same time.
- the storage unit 810 may store basic information about a test result transmitted from the cloud streaming server, and in particular, may store in advance a reference image of a specific time point, which is a reference for determining whether or not the cloud streaming server has failed.
- the storage unit 810 may be an optical recording medium such as a magnetic media such as a hard disk, a floppy disk, or a magnetic tape, a compact disk read only memory (CD-ROM), or a digital video disk (DVD). And magneto-optical media such as floppy disks and ROM, random access memory (RAM), and flash memory.
- the test unit 820 may request delivery of a test result video received from each of the virtual client modules 850, 852, and 854 and output to the screen under the control of the test controller 800, and capture and generate the test result video. After comparing the test result image with the reference result image, the comparison result is output to the test controller 800. To this end, the test unit 820 may further perform a process of setting the reference result image. That is, the test unit 820 is generated by capturing a test result image generated by capturing a test result video corresponding to a reference server, which is one of the cloud streaming servers, and test result videos corresponding to other cloud streaming servers. The test result images can be compared.
- test result images corresponding to other cloud streaming servers may be captured at the same time as the test result image corresponding to the reference server.
- test unit 820 may detect a connection error between the virtual client modules and the cloud streaming servers.
- connection error may include any one or more of a connection attempt failure of any one of the client modules, one of the cloud streaming servers, and a transmission failure of the test result.
- the test unit 820 may not perform a comparison test with the reference server with respect to the cloud streaming server corresponding to the connection error.
- the input unit 830 may generate a user input signal corresponding to a request or information of the cloud streaming server manager according to an operation of the cloud streaming server manager, and may be implemented as various input means that are currently commercialized or may be commercialized in the future. For example, it may include not only a general input device such as a keyboard, a mouse, a joystick, a touch screen, a touch pad, but also a gesture input means for detecting a user's motion and generating a specific input signal.
- a general input device such as a keyboard, a mouse, a joystick, a touch screen, a touch pad, but also a gesture input means for detecting a user's motion and generating a specific input signal.
- the output unit 840 is a means for providing a user recognition of the operation result or state of the test apparatus 120.
- the output unit 840 includes a display unit for visually outputting through a screen or a speaker for outputting an audible sound. can do.
- the output unit 840 may visually output a result image processed and output from the at least one virtual client module 850, 852, 854, and also outputs a result image and a reference result image. It can be output by comparing or displaying the result of the failure of the cloud streaming server.
- the virtual client modules 850, 852, and 854 are virtualized clients 100, 101, and 102 that are connected to the cloud streaming servers 130, 140, and 150 and receive the cloud streaming service. , 102 may perform at least some of the functions.
- the virtual client module 850, 852, 854 connects to a specific cloud streaming server 130, 140, 150 to receive respective test results from the specific cloud streaming server 130, 140, 150.
- the test result video may be generated by performing the same processing (for example, decoding) with the client 100, 101, and 102 on the received test result, and output the test result video to the screen through the output unit 840. .
- the virtual client modules 850, 852, and 854 may capture the result image output on the screen at a specific time point and transmit the result image to the test unit 820 according to the result image request of the test unit 820.
- the capture time may be received from the test unit 820, or may be set and stored in advance.
- the capture of the resulting image can be done, for example, by capturing image data stored in the frame buffer of the virtual client module 850, 852, 854.
- generating the test result image by capturing the test result video may be performed by the test unit 820.
- the virtual client module 850, 852, 854 provides a test script key input to the cloud streaming server, receives a test result corresponding to the test script key input from the cloud streaming server, and decodes the test result to generate a test result video.
- the test result may be viewed as encoded streaming video
- the test result video may be viewed as decoded streaming video.
- FIG. 3 An internal configuration of the virtual client modules 850, 852, and 854 may be illustrated in FIG. 3.
- FIG. 9 is a flowchart illustrating a process for testing whether a cloud streaming server is in a normal operation in a test system according to an exemplary embodiment of the present invention.
- the cloud streaming servers 130, 140, and 150 simultaneously transmit the test results to the virtual client modules 850, 852, and 854 of the test apparatus 120 (S902 to S906). That is, one cloud streaming server 130 transmits the test results to the virtual client module 850, the other cloud streaming server 140 transmits the test results to the virtual client module 852, and the other cloud streaming server 150. ) May send the test results to the virtual client module 854. Alternatively, one virtual client module may sequentially receive test results from the plurality of cloud streaming servers 130, 140, and 150 with a time difference.
- the cloud streaming server (130, 140, 150) may be to transmit a test result corresponding to the test script key input of the virtual client module (850, 852, 854).
- Each virtual client module 850, 852, 854 decodes the test result received from the cloud streaming server 130, 140, or 150 to generate a test result video, and provides the test result video to the test unit 820 (S914, S918, S922).
- the test result video may be provided in response to a test request from the test controller 800.
- the test unit 820 may request delivery of test results received from the cloud streaming server 130, 140, or 150 to each of the virtual client modules 850, 852, and 854.
- the virtual client module 850, 852, 854 processes the received test result as in the real client 100, 101, 102 to generate a test result video, and then outputs it to the screen.
- test result video output to the screen at a point in time requested by the test unit 820 or a predetermined specific time point may be captured and transmitted to the test unit 820. That is, capturing the test result video to generate a test result image may be performed by the virtual client modules 850, 852, and 854, or may be performed by the test unit 820.
- test unit 820 detects a connection error between the cloud streaming servers 130, 140, and 150 and the virtual client modules 850, 852, and 854 (S916).
- the connection error is a connection attempt failed to send the cloud streaming server 130 of the virtual client module 850 and a test result transmission (S902) failed, a connection attempt to the cloud streaming server 140 of the virtual client module 852. It may include one or more of a failure, a test result transmission (S904) failure, a connection attempt failure to the cloud streaming server 150 of the virtual client module 854, and a test result transmission (S906) failure.
- the test unit 820 transmits the connection error detection result to the test control unit 800 (S920).
- the test controller 800 determines whether a connection error has occurred based on the connection error detection result (S921), and if it is determined that the connection error has not occurred, the test controller 800 requests a test result image comparison to the test unit 820. (S923).
- the test unit 820 receiving the test result image comparison request compares the test result image capturing each received test result video with a preset reference result image, and transmits the comparison result to the test control unit 800 (S924, S926).
- the reference result image may prestore a result image that appears when the test result is normally transmitted and output, and the result image output from a specific virtual client module preset among the virtual client modules 850, 852, and 854. Can also be set as the reference result image.
- the test unit 820 may further perform a process of setting a reference result image before performing the comparison.
- the test control unit 800 determines whether the cloud streaming server has a failure according to the comparison result and the connection error. At this time, the result image captured from the test result received from the comparison result and the preset reference result image do not coincide with each other. If not, the cloud streaming server determines that there is a failure, and if it matches with each other, the cloud streaming server determines that there is no failure (S927). At this time, the comparison result is transmitted to the test control unit 800 for each of the cloud streaming server 130, 140, 150, the test control unit 800 to determine whether or not the failure for each cloud streaming server according to the comparison result Will be.
- the test controller 800 may generate a failure report by distinguishing a failure corresponding to a comparison result in which two test result images compared to a failure corresponding to a connection error do not match.
- FIG. 10 is a flowchart illustrating a method for testing whether the cloud streaming server 130, 140, or 150 operates normally in the test apparatus 120 according to an exemplary embodiment of the present invention.
- the cloud streaming server test method first transmits a key input corresponding to a test script to the cloud streaming servers by the virtual client modules (S1010).
- virtual client modules receive test results from cloud streaming servers to generate test result videos (S1020).
- the cloud streaming server test method detects a connection error between the virtual client modules and the cloud streaming server (S1030).
- connection error may include any one or more of a connection attempt failure and a test result transmission failure of any one of the client modules and the cloud streaming servers.
- the cloud streaming server test method captures test result videos and generates test result images (S1040).
- test result images corresponding to the cloud streaming servers may be captured at the same time as the test result image corresponding to the reference server.
- step S1040 may be performed by the virtual client modules 850, 852, and 854 shown in FIG. 8, or may be performed by the test unit 820.
- the cloud streaming server test method compares the test result image of the reference server with the test result image of other cloud streaming servers to determine whether the comparison result is consistent (S1050, S1060).
- the cloud streaming server test method determines that the cloud streaming server does not have a failure (S1070).
- the cloud streaming server test method determines that the cloud streaming server has a failure (S1080).
- the cloud streaming server test method determines that the cloud streaming server has a failure (S1080). That is, when a connection error is detected, the cloud streaming server test method according to an embodiment of the present invention may not perform a comparison test step of comparing test result images.
- step S1080 may generate a failure report by distinguishing a failure corresponding to a failure and a connection corresponding to a comparison result in which two images to be compared do not match.
- FIG. 11 is a timing diagram illustrating capture timing of a cloud streaming server test method according to an embodiment of the present invention.
- the response speeds of the cloud streaming servers may be different from each other.
- the time for the virtual client module to access the cloud streaming server is different, the time for key input to the cloud streaming server is different, or the time for processing key input in the cloud streaming server is different.
- the steady state entry timings of the test result video received from the cloud streaming servers may be different from each other.
- FIG. 12 is a flowchart illustrating a process for testing whether a cloud streaming server is in a normal operation in a test system according to an exemplary embodiment of the present invention.
- the cloud streaming servers 130, 140, and 150 simultaneously transmit the test results to the virtual client modules 250, 252, and 254 of the test apparatus 120 (S1202 to S1206). That is, one cloud streaming server 130 transmits the test results to the virtual client module 250, the other cloud streaming server 140 transmits the test results to the virtual client module 252, and the other cloud streaming server 150. ) May send the test results to the virtual client module 254. Alternatively, one virtual client module may sequentially receive test results from the plurality of cloud streaming servers 130, 140, and 150 with a time difference.
- the cloud streaming server (130, 140, 150) may be to transmit a test result corresponding to the test script key input of the virtual client module (250, 252, 254).
- Each of the virtual client modules 250, 252, and 254 decodes the test results received from the cloud streaming servers 130, 140, and 150 to generate a test result video, and provides the test result video to the comparator 220 (S1214, S1218,). S1219). In this case, the providing of the test result video may be performed corresponding to the test request from the test controller 200.
- the comparator 220 may request delivery of test results received from the cloud streaming server 130, 140, or 150 to each of the virtual client modules 250, 252, and 254.
- the virtual client modules 250, 252, and 254 process the received test results as in the real clients 100, 101, and 102 to generate a test result video, and then output them to the screen.
- the resulting video can be captured by the comparator after steady state conditions are satisfied.
- test controller 200 determines whether the steady state condition is satisfied (S1221), and transmits a capture request to the comparator 220 only when the steady state condition is satisfied (S1222).
- the comparator 220 receiving the capture request captures a test result video corresponding to a reference server, which is one of the cloud streaming servers 130, 140, and 150, and test result videos corresponding to other cloud streaming servers. Result images are generated (S1223).
- the capturing of the test result video is performed by the comparator 220 as an example.
- the capture request may be delivered to the virtual client modules 250, 252, and 254.
- Capture may be performed by modules 250, 252, 254 to generate test result images.
- the comparison unit 220 compares the test result image capturing each received test result video with a predetermined reference result image, and then transfers the comparison result to the test control unit 200 (S1224 and S1226).
- the reference result image may prestore the result image that appears when the test result is normally transmitted and output, and the result image output from the specific virtual client module preset among the virtual client modules 250, 252, and 254. Can also be set as the reference result image.
- the comparison unit 220 may further perform a process of setting a reference result image before performing the comparison.
- the test control unit 200 determines whether the cloud streaming server has a failure according to the comparison result and whether or not a connection error occurs. At this time, the result image captured from the test result received from the comparison result does not coincide with the preset reference result image. If not, the cloud streaming server determines that there is a failure, and if it matches with each other, the cloud streaming server determines that there is no failure (S1227). At this time, the comparison result is transmitted to the test control unit 200 for each of the cloud streaming server 130, 140, 150, the test control unit 200 to determine whether the failure for each cloud streaming server according to the comparison result Will be.
- FIG. 13 is a flowchart illustrating a method for testing whether the cloud streaming server 130, 140, or 150 operates normally in the test apparatus 120 according to an exemplary embodiment of the present invention.
- the cloud streaming server test method first transmits a key input corresponding to a test script to the cloud streaming servers by the virtual client modules (S1310).
- virtual client modules receive test results from cloud streaming servers to generate test result videos (S1320).
- the cloud streaming server test method determines whether the steady state conditions are satisfied (S1330).
- the steady state condition may be an elapsed condition of a predetermined time determined corresponding to the test script.
- the steady state condition may be set differently according to the test script key input.
- the cloud streaming server test method captures test result videos and generates test result images (S1340).
- test result images corresponding to the cloud streaming servers may be captured at the same time as the test result image corresponding to the reference server.
- step S1340 may be performed by the virtual client modules 250, 252, and 254 shown in FIG. 2, or may be performed by the comparator 220.
- the cloud streaming server test method compares the test result image of the reference server with the test result image of other cloud streaming servers and determines whether the comparison result is consistent (S1350, S1360).
- the cloud streaming server test method determines that the cloud streaming server does not have a failure (S1370).
- the cloud streaming server test method determines that the cloud streaming server has a failure (S1380).
- FIG. 14 is a flowchart illustrating a process for testing whether a cloud streaming server is in a normal operation in a test system according to an exemplary embodiment of the present invention.
- the cloud streaming servers 130, 140, and 150 simultaneously transmit the test results to the virtual client modules 250, 252, and 254 of the test apparatus 120 (S1402 to S1406). That is, one cloud streaming server 130 transmits the test results to the virtual client module 250, the other cloud streaming server 140 transmits the test results to the virtual client module 252, and the other cloud streaming server 150. ) May send the test results to the virtual client module 254. Alternatively, one virtual client module may sequentially receive test results from the plurality of cloud streaming servers 130, 140, and 150 with a time difference.
- the cloud streaming server (130, 140, 150) may be to transmit a test result corresponding to the common test script key input of the virtual client module (250, 252, 254).
- the common test script key input may correspond to a common screen for two or more applications, and the common screen may be a screen from which animation effects are excluded.
- Each of the virtual client modules 250, 252, and 254 decodes the test results received from the cloud streaming servers 130, 140, and 150 to generate a test result video, and provides the test result video to the comparator 220 (S1414, S1418,). S1419).
- the providing of the test result video may be performed corresponding to the test request from the test controller 200.
- the comparator 220 may request delivery of test results received from the cloud streaming server 130, 140, or 150 to each of the virtual client modules 250, 252, and 254.
- the virtual client modules 250, 252, and 254 process the received test results as in the actual clients 100, 101, and 102 to generate a test result video, and then output them to the screen.
- test result video output to the screen at a time point requested by the comparator 220 or a predetermined specific time point may be captured and transmitted to the comparator 220. That is, capturing the test result video to generate a test result image may be performed by the virtual client modules 250, 252, and 254, or may be performed by the comparator 220.
- the test controller 200 makes a test result image comparison request to the comparator 220 based on an external input or an internal execution condition satisfaction (S1422).
- the comparison unit 220 receiving the test result image comparison request compares the test result image capturing each received test result video with a predetermined reference result image, and then transfers the comparison result to the test control unit 200 (S1424, S1426).
- the reference result image may prestore the result image that appears when the test result is normally transmitted and output, and the result image output from the specific virtual client module preset among the virtual client modules 250, 252, and 254. Can also be set as the reference result image.
- the comparison unit 220 may further perform a process of setting a reference result image before performing the comparison.
- the test control unit 200 determines whether the cloud streaming server has a failure according to the comparison result and whether or not a connection error occurs. At this time, the result image captured from the test result received from the comparison result does not coincide with the preset reference result image. If not, the cloud streaming server determines that there is a failure, and if they match with each other, the cloud streaming server determines that there is no failure (S1427). At this time, the comparison result is transmitted to the test control unit 200 for each of the cloud streaming server 130, 140, 150, the test control unit 200 to determine whether the failure for each cloud streaming server according to the comparison result Will be.
- 15 is a flowchart illustrating a method for testing whether the cloud streaming servers 130, 140, and 150 are normally operated in the test apparatus 120 according to an exemplary embodiment of the present invention.
- the cloud streaming server test method first generates a common test script key input corresponding to a common screen by the virtual client modules (S1510).
- the common test script key input may allow two or more different applications to generate the same common screen.
- the common screen may be a screen without animation effects.
- the cloud streaming server test method transmits the common test script key input to the cloud streaming servers (S1520).
- virtual client modules receive test results corresponding to the common test script key input from cloud streaming servers to generate test result videos (S1530).
- the cloud streaming server test method captures test result videos to generate test result images (S1540).
- test result images corresponding to the cloud streaming servers may be captured at the same time point as the reference result image.
- step S1540 may be performed by the virtual client modules 250, 252, and 254 shown in FIG. 2, or may be performed by the comparator 220.
- the cloud streaming server test method compares the reference result image with the test result image of the cloud streaming server to determine whether the comparison result is consistent (S1550, S1560).
- the reference result image may be generated by capturing a test result video corresponding to the reference server which is one of the cloud streaming servers.
- the reference result image may be generated in advance and stored in the test apparatus.
- the cloud streaming server test method determines that the cloud streaming server does not have a failure (S1570).
- the cloud streaming server test method determines that the cloud streaming server has a failure (S1580).
- FIGS. 4 to 7, 9 to 10, and 12 to 15 are performed in the order shown in FIGS. 4 to 7, 9 to 10, and 12 to 15, in the reverse order, or at the same time. Can be.
- the streaming server test method and the reference server change method according to the present invention may be implemented as a program or a smartphone app that can be executed through various computer means.
- the program or the smartphone app may be recorded in a computer readable medium.
- the computer readable medium may include program instructions, data files, data structures, etc. alone or in combination.
- Program instructions recorded on the media may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts.
- Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks.
- Magneto-optical media and any type of hardware device specifically configured to store and execute program instructions such as ROM, RAM, flash memory, and the like.
- Examples of program instructions may include high-level language code that can be executed by a computer using an interpreter as well as machine code such as produced by a compiler.
- Such hardware devices may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.
- the streaming server test system As described above, the streaming server test system, the streaming server test method, and the apparatus for the same according to the present invention are not limited to the configuration and method of the embodiments described as described above, but the embodiments may be modified in various ways. All or part of each of the embodiments may be selectively combined to be implemented.
- the present invention relates to a system for testing the normal operation of the cloud streaming server providing a specific service, and in particular, to ensure whether the server providing the cloud streaming service is operating normally, so that the cloud streaming server may occur when transmitting data It is possible to prevent possible transmission errors or failures in advance, and to make it easier to detect whether the cloud streaming server is operating normally, thereby stabilizing the cloud streaming service and improving service quality, thereby improving the industry's development. I can contribute.
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Abstract
Description
Claims (14)
- 클라우드 스트리밍 서버들로부터, 기설정된 테스트 스크립트 키 입력에 상응하는 테스트 결과들을 수신하여 테스트 결과 비디오들을 생성하는 가상 클라이언트 모듈들;상기 클라우드 스트리밍 서버들 중 하나인 기준 서버에 상응하는 테스트 결과 비디오를 캡처하여 생성된 테스트 결과 이미지와, 다른 클라우드 스트리밍 서버들에 상응하는 테스트 결과 비디오들을 캡처하여 생성된 테스트 결과 이미지들을 비교하는 비교부; 및상기 비교 결과에 따라 상기 클라우드 스트리밍 서버들 중 어느 하나 이상의 장애 여부를 판단하는 테스트 제어부를 포함하는 것을 특징으로 하는 클라우드 스트리밍 서버 테스트 장치.
- 청구항 1에 있어서,상기 테스트 제어부는상기 기준 서버의 변경 조건이 만족되는 경우 상기 기준 서버를 변경하는 것을 특징으로 하는 클라우드 스트리밍 서버 테스트 장치.
- 청구항 1에 있어서,상기 비교부는상기 가상 클라이언트 모듈들과 상기 클라우드 스트리밍 서버들 사이의 연결 오류를 검출하는 것을 특징으로 하는 클라우드 스트리밍 서버 테스트 장치.
- 청구항 1에 있어서,상기 비교부는정상 상태 조건 만족 후, 상기 기준 서버에 상응하는 테스트 결과 비디오 및 상기 다른 클라우드 스트리밍 서버들에 상응하는 테스트 결과 비디오들을 캡처하는 것을 특징으로 하는 클라우드 스트리밍 서버 테스트 장치.
- 청구항 1에 있어서,상기 테스트 스크립트 키 입력은서로 상이한 둘 이상의 어플리케이션들이 동일한 공통화면을 생성하도록 하는 것을 특징으로 하는 클라우드 스트리밍 서버 테스트 장치.
- 청구항 1에 있어서,상기 비교부는상기 테스트 결과 비디오들을 마스킹(masking)하여 마스크드 비디오들을 생성하고, 상기 마스크드 비디오들을 캡처하여 생성된 테스트 결과 이미지들을 상호 비교하는 것을 특징으로 하는 클라우드 스트리밍 서버 테스트 장치.
- 가상 클라이언트 모듈들이, 클라우드 스트리밍 서버들로부터 테스트 스크립트 키 입력에 상응하여 전송된 테스트 결과들을 수신하여 테스트 결과 비디오들을 생성하는 단계;상기 클라우드 스트리밍 서버들 중 하나인 기준 서버에 상응하는 테스트 결과 비디오를 캡처하여 생성된 테스트 결과 이미지와, 다른 클라우드 스트리밍 서버들에 상응하는 테스트 결과 비디오들을 캡처하여 생성된 테스트 결과 이미지들을 비교하는 단계; 및상기 비교 결과에 따라 상기 클라우드 스트리밍 서버들 중 어느 하나 이상에 장애가 발생하였다고 판단하는 단계를 포함하는 것을 특징으로 하는 클라우드 스트리밍 서버 테스트 방법.
- 청구항 7에 있어서,상기 클라우드 스트리밍 서버 테스트 방법은상기 기준 서버의 변경 조건이 만족된 경우 상기 기준 서버를 변경하는 단계를 더 포함하는 것을 특징으로 하는 클라우드 스트리밍 서버 테스트 방법.
- 청구항 7에 있어서,상기 클라우드 스트리밍 서버 테스트 방법은상기 가상 클라이언트 모듈들과 상기 클라우드 스트리밍 서버들 사이의 연결 오류를 검출하는 단계를 더 포함하는 것을 특징으로 하는 클라우드 스트리밍 서버 테스트 방법.
- 청구항 7에 있어서,상기 테스트 결과 이미지 및 상기 테스트 결과 이미지들은정상상태 조건 만족 후 캡처되어 생성되는 것을 특징으로 하는 클라우드 스트리밍 서버 테스트 방법.
- 청구항 7에 있어서,상기 테스트 스크립트 키 입력은서로 상이한 둘 이상의 어플리케이션들이 동일한 공통화면을 생성하도록 하는 것을 특징으로 하는 클라우드 스트리밍 서버 테스트 방법.
- 청구항 7에 있어서,상기 클라우드 스트리밍 서버 테스트 방법은상기 테스트 결과 비디오들을 마스킹(masking)하여 마스크드 비디오들을 생성하는 단계를 더 포함하고,상기 비교하는 단계는 마스킹된 상기 테스트 결과 이미지와 상기 테스트 결과 이미지들을 비교하는 것을 특징으로 하는 클라우드 스트리밍 서버 테스트 방법.
- 제7항 내지 제12항 중 어느 한 항에 기재된 클라우드 스트리밍 서버를 테스트하기 위한 기준 서버 변경 방법을 실행하는 프로그램을 기록한 컴퓨터 판독 가능한 기록 매체.
- 장애 여부 테스트를 위하여 기설정된 테스트 스크립트 키 입력에 상응하는 테스트 결과들을 전송하는 클라우드 스트리밍 서버들; 및상기 클라우드 스트리밍 서버들 중 하나인 기준 서버에 상응하는 테스트 결과 비디오를 캡처하여 생성된 테스트 결과 이미지와, 다른 클라우드 스트리밍 서버들에 상응하는 테스트 결과 비디오들을 캡처하여 생성된 테스트 결과 이미지들을 비교하여 상기 클라우드 스트리밍 서버들 중 하나 이상의 장애 여부를 판단하고, 상기 기준 서버의 변경 조건이 만족되는 경우 상기 기준 서버를 변경하는 테스트 장치를 포함하는 것을 특징으로 하는 클라우드 스트리밍 서버의 테스트 시스템.
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CN201480077093.6A CN106105242B (zh) | 2014-03-10 | 2014-12-15 | 用于测试云端流媒体服务器的方法及其装置和系统 |
US15/123,213 US10313207B2 (en) | 2014-03-10 | 2014-12-15 | Method for testing cloud streaming server, and apparatus and system therefor |
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JP2016556717A JP6383799B2 (ja) | 2014-03-10 | 2014-12-15 | クラウドストリーミングサーバーテスト方法、そのための装置及びシステム |
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KR1020140028006A KR101997540B1 (ko) | 2014-03-10 | 2014-03-10 | 클라우드 스트리밍 서버 테스트 방법, 이를 위한 장치 및 시스템 |
KR1020140028005A KR101997649B1 (ko) | 2014-03-10 | 2014-03-10 | 클라우드 스트리밍 서버를 테스트하기 위한 기준 서버 변경 방법, 이를 위한 장치 및 시스템 |
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KR1020140064380A KR102058365B1 (ko) | 2014-05-28 | 2014-05-28 | 클라우드 스트리밍 서버 테스트 방법, 이를 위한 장치 및 시스템 |
KR1020140064377A KR102119248B1 (ko) | 2014-05-28 | 2014-05-28 | 클라우드 스트리밍 서버 테스트 방법, 이를 위한 장치 및 시스템 |
KR1020140067781A KR102059376B1 (ko) | 2014-06-03 | 2014-06-03 | 클라우드 스트리밍 서버 테스트 방법, 이를 위한 장치 및 시스템 |
KR10-2014-0067781 | 2014-06-03 |
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US (1) | US10313207B2 (ko) |
EP (1) | EP3119093B1 (ko) |
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CN (1) | CN106105242B (ko) |
WO (1) | WO2015137604A1 (ko) |
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JP2017509991A (ja) | 2017-04-06 |
JP6383799B2 (ja) | 2018-08-29 |
CN106105242A (zh) | 2016-11-09 |
US10313207B2 (en) | 2019-06-04 |
US20170078159A1 (en) | 2017-03-16 |
EP3119093B1 (en) | 2019-10-30 |
EP3119093A1 (en) | 2017-01-18 |
CN106105242B (zh) | 2020-01-10 |
EP3119093A4 (en) | 2017-11-15 |
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