CN113852991A - Data forwarding method of 5G user plane functional entity, device thereof and electronic equipment - Google Patents
Data forwarding method of 5G user plane functional entity, device thereof and electronic equipment Download PDFInfo
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Abstract
The application discloses a data forwarding method of a 5G user plane functional entity, a device thereof and electronic equipment. Wherein, the method comprises the following steps: packaging a data packet to be sent based on a general routing packaging protocol to obtain a target data packet; and forwarding the target data packet to a target network by the 5G user plane functional entity, wherein the target data packet is decapsulated in the target network based on a general routing encapsulation protocol. The universal routing encapsulation protocol is applied between the user in the 5G network and the target network, so that the transmission of user data can be hidden to a certain extent, the intercommunication cost between different private networks can be reduced to the greatest extent, an entity network does not need to be additionally constructed, the data transmission risk between the user inside the 5G network and an external user is reduced, the communication and interaction of special data among a plurality of users can be realized in the 5G user plane functional entity and the target network, and the transmission efficiency between the user data and the target network is improved.
Description
Technical Field
The invention relates to the field of characteristic value calculation, in particular to a data forwarding method of a 5G user plane functional entity, a device thereof and electronic equipment.
Background
The fast development of the 5G mobile network, the core network evolves from EPC to 5GC, the 5GC adopts a service architecture (SBA) to realize the flexible network and the agile service provision, the integration and the decoupling of functions are realized through modularization, and the RAN and CN network slicing can be realized by a user by combining Network Slicing Selection Assistance Information (NSSAI), thereby ensuring the data service quality and the data safety.
Between a User Plane Function (UPF) and a Data Network (DN) in a 5G Network, a User is more concerned about Data security and Data validity guarantee, but a User in the 5G Network accesses a public cloud service through the DN through the UPF, and a relevant protocol used by a large number of users at present can be found, and the protocol mainly adopts a mode of guaranteeing Data security and a mode based on multiple redundancy backup, but does not have a more perfect coping strategy for key service Data and confidential Data. If only through private cloud business, can utilize the VPN mode to realize, but the VPN mode can not satisfy the demand that a large amount of little enterprise used shared resource.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The invention mainly aims to provide a data forwarding method of a 5G user plane functional entity, a device thereof and electronic equipment, so as to solve the problem of data transmission risk between an internal user and an external user of a 5G network in the prior art.
In order to achieve the above object, according to an aspect of the present invention, there is provided a data forwarding method based on a 5G user plane function entity, including: packaging a data packet to be sent based on a general routing packaging protocol to obtain a target data packet; and forwarding the target data packet to a target network by the 5G user plane functional entity, wherein the target data packet is decapsulated in the target network based on a general routing encapsulation protocol.
Optionally, encapsulating a data packet to be sent based on a generic routing encapsulation protocol to obtain a target data packet, including: and in the first router, adding a protocol packet header of a general routing encapsulation protocol to a data packet to be sent to obtain a target data packet.
Optionally, forwarding the target data packet to the target network by the 5G user plane functional entity includes: sending a forwarding request to a 5G user plane functional entity; and forwarding the target data packet to the virtual machine instance requested to be accessed by the forwarding request in the target network by the 5G user plane functional entity through the first router.
Optionally, forwarding, by the first router, the target packet to the virtual machine instance requested to be accessed by the forwarding request in the target network by the 5G user plane functional entity, where the forwarding request includes: transmitting the target data packet to an entity switch from an external data network through a first router, and transmitting the target data packet to a 5G user plane functional entity through the entity switch to perform partial decapsulation; and the target data packet which is not decapsulated is transmitted back to the entity switch by the 5G user plane functional entity, and is forwarded to the virtual machine instance requested to be accessed by the forwarding request in the target network by the entity switch.
According to another aspect of the embodiments of the present application, a data forwarding method based on a 5G user plane functional entity is provided, including: receiving a target data packet forwarded by a 5G user plane functional entity, wherein the target data packet is encapsulated by a general routing encapsulation protocol; and decapsulating the target data packet through a general routing encapsulation protocol.
Optionally, receiving the target data packet forwarded from the 5G user plane functional entity includes: and forwarding the target data packet to the virtual machine instance requested to be accessed by the forwarding request received by the 5G user plane functional entity from the external data network through a second router, wherein the second router is used for carrying out port forwarding according to the network address translation technology.
Optionally, forwarding, by the second router, the target data packet from the external data network to the virtual machine instance requested to be accessed by the forwarding request, including: receiving a target data packet forwarded by a 5G user plane functional entity through an entity switch, wherein the target data packet is encapsulated through a general routing encapsulation protocol; receiving a target data packet transmitted by the entity switch through a second entity network card, forwarding the target data packet to a virtual bridge connected with a virtual switch port corresponding to the second entity network card through the second entity network card, and transmitting the target data packet to a second router associated with the virtual bridge through the virtual bridge; and according to rules recorded by a network address translation table in an IP data packet filtering system configured in the second router, forwarding control is carried out on the target data packet, and the target data packet is forwarded to the virtual machine instance requested to be accessed by the forwarding request.
Optionally, decapsulating the destination data packet by using a generic routing encapsulation protocol includes: and under the condition that the second router detects the target data packet with the protocol header of the general routing encapsulation protocol, decapsulating the target data packet.
According to another aspect of the embodiments of the present application, there is also provided a data forwarding apparatus based on a 5G user plane functional entity, including: the encapsulation module is used for encapsulating the data packet to be sent based on a general routing encapsulation protocol to obtain a target data packet; and the forwarding module is used for forwarding the target data packet to the target network by the 5G user plane functional entity, wherein the target data packet is decapsulated in the target network based on a general routing encapsulation protocol.
According to another aspect of the embodiments of the present application, there is also provided a data forwarding apparatus based on a 5G user plane functional entity, including: the receiving module is used for receiving a target data packet forwarded by the 5G user plane functional entity, wherein the target data packet is encapsulated by a general routing encapsulation protocol; and the decapsulation module is used for decapsulating the target data packet through a general routing encapsulation protocol.
According to another aspect of the embodiments of the present application, there is also provided an electronic device, including: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to execute the instructions to implement the data forwarding method as described above.
According to another aspect of embodiments of the present application, there is also provided a computer-readable storage medium, wherein when the instructions in the computer-readable storage medium are executed by a processor of an electronic device, the electronic device is enabled to execute the data forwarding method as described above.
According to another aspect of embodiments of the present application, there is also provided a computer program product, including a computer program, which when executed by a processor implements the data forwarding method described above.
In the embodiment of the application, a target data packet is obtained by encapsulating a data packet to be sent based on a generic routing encapsulation protocol, and then the target data packet is forwarded to a target network by a 5G user plane functional entity, and the target data packet is decapsulated in the target network based on the generic routing encapsulation protocol. By applying a Generic Routing Encapsulation (GRE) protocol between a user and a target network in a 5G network, the transmission of user data can be hidden to a certain extent, and simultaneously, the intercommunication cost between different private networks can be reduced to the greatest extent, and an entity network does not need to be additionally constructed, so that the data transmission risk between the user inside the 5G network and an external user is reduced, the communication and interaction of special data among a plurality of users can be realized in a 5G user plane functional entity (5G UPF) and the target network, and the transmission efficiency between the users is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a block diagram illustrating a hardware structure of a computer terminal for a data forwarding method according to an exemplary embodiment;
fig. 2 is a flow chart of a first data forwarding method according to embodiment 1 of the present application;
fig. 3 is a flowchart of a second data forwarding method shown in embodiment 1 of the present application;
fig. 4 is a data flow diagram illustrating a data forwarding process according to embodiment 1 of the present application;
fig. 5 is a device block diagram of a first data forwarding device based on a 5G user plane functional entity according to embodiment 2 of the present application;
fig. 6 is a device block diagram of a second data forwarding device based on a 5G user plane functional entity according to embodiment 2 of the present application;
fig. 7 is a block diagram of an apparatus of a terminal according to an embodiment of the present application;
fig. 8 is a block diagram of an apparatus of a server according to an embodiment of the present application.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
According to an embodiment of the present invention, there is provided a 5G user plane functional entity-based data forwarding method, it should be noted that the steps shown in the flowchart of the figure may be executed in a computer system such as a set of computer executable instructions, and although a logical order is shown in the flowchart, in some cases, the steps shown or described may be executed in an order different from that shown.
The method provided by the embodiment 1 of the present application can be executed in a mobile terminal, a computer terminal or a similar computing device. Fig. 1 shows a hardware structure block diagram of a computer terminal (or mobile device) for implementing a data forwarding method based on a 5G user plane functional entity. As shown in fig. 1, the computer terminal 10 (or mobile device) may include one or more (shown as 102a, 102b, … …, 102 n) processors 102 (the processors 102 may include, but are not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA, etc.), memories 104 for storing data, and a transmission device for communication functions. Besides, the method can also comprise the following steps: a display, an input/output interface (I/O interface), a Universal Serial BUS (USB) port (which may be included as one of the ports of the BUS), a network interface, a power source, and/or a camera. It will be understood by those skilled in the art that the structure shown in fig. 1 is only an illustration and is not intended to limit the structure of the electronic device. For example, the computer terminal 10 may also include more or fewer components than shown in FIG. 1, or have a different configuration than shown in FIG. 1.
It should be noted that the one or more processors 102 and/or other data processing circuitry described above may be referred to generally herein as "data processing circuitry". The data processing circuitry may be embodied in whole or in part in software, hardware, firmware, or any combination thereof. Further, the data processing circuit may be a single stand-alone processing module, or incorporated in whole or in part into any of the other elements in the computer terminal 10 (or mobile device). As referred to in the embodiments of the application, the data processing circuit acts as a processor control (e.g. selection of a variable resistance termination path connected to the interface).
The memory 104 may be configured to store software programs and modules of application software, such as program instructions/data storage devices corresponding to the data forwarding method based on the 5G user plane functional entity in the embodiment of the present invention, and the processor 102 executes various functional applications and data processing by running the software programs and modules stored in the memory 104, that is, implements the data forwarding method based on the 5G user plane functional entity of the application program. The memory 104 may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 104 may further include memory located remotely from the processor 102, which may be connected to the computer terminal 10 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The transmission device is used for receiving or transmitting data via a network. Specific examples of the network described above may include a wireless network provided by a communication provider of the computer terminal 10. In one example, the transmission device includes a Network adapter (NIC) that can be connected to other Network devices through a base station to communicate with the internet. In one example, the transmission device may be a Radio Frequency (RF) module, which is used for communicating with the internet in a wireless manner.
The display may be, for example, a touch screen type Liquid Crystal Display (LCD) that may enable a user to interact with a user interface of the computer terminal 10 (or mobile device).
Under the operating environment, the application provides a data forwarding method based on a 5G user plane functional entity as shown in fig. 2. Fig. 2 is a flowchart of a data forwarding method according to embodiment 1 of the present invention, and as shown in fig. 2, the method includes the following steps:
step S202, packaging a data packet to be sent based on a general routing packaging protocol to obtain a target data packet;
step S204, the target data packet is forwarded to the target network by the 5G user plane functional entity, wherein the target data packet is decapsulated in the target network based on the general routing encapsulation protocol.
In the embodiment of the application, a target data packet is obtained by encapsulating a data packet to be sent based on a generic routing encapsulation protocol, and then the target data packet is forwarded to a target network by a 5G user plane functional entity, and the target data packet is decapsulated in the target network based on the generic routing encapsulation protocol. Because the General Routing Encapsulation (GRE) tunnel technology supports the multicast technology, the method has great potential application in the application scenes of live transmission of videos, audios and the like, and is one of important modes for accessing a special cloud by a user.
As an optional embodiment, encapsulating a data packet to be sent based on a generic routing encapsulation protocol to obtain a target data packet, including: and in the first router, adding a protocol packet header of a general routing encapsulation protocol to a data packet to be sent to obtain a target data packet. In the first router, a Generic Routing Encapsulation (GRE) protocol packet header is added to the sent data packet for encapsulation, so that the data packet of the user is routed out by the first router, when the target network can check the same GRE protocol packet header, the data packet is decapsulated, then the data forwarding of the next hop is carried out, the above process is repeated, and the intercommunication of the user data with different region separation or logic separation is realized.
As an alternative embodiment, forwarding the target data packet to the target network by the 5G user plane functional entity includes: receiving a forwarding request from a target network; and forwarding the target data packet to the virtual machine instance requested to be accessed by the forwarding request in the target network by the 5G user plane functional entity through the first router. The target network sending the forwarding request can be any external data network, the forwarding request receiver can be a user in the 5G network, and the data packet packaged based on the GRE protocol is forwarded to the virtual machine instance requesting access according to the forwarding requests of different users in the target network, so that the communication and interaction of the special data among a plurality of users can be realized in the 5G UPF and the target network, and the transmission efficiency among the users is improved.
As an alternative embodiment, forwarding, by the first router, the target packet to the virtual machine instance requested to be accessed by the forwarding request in the target network by the 5G user plane function entity includes: transmitting the target data packet to an entity switch from an external data network through a first router, and transmitting the target data packet to a 5G user plane functional entity through the entity switch to perform partial decapsulation; and the target data packet which is not decapsulated is transmitted back to the entity switch by the 5G user plane functional entity, and is forwarded to the virtual machine instance requested to be accessed by the forwarding request in the target network by the entity switch. The target data packet which cannot be decapsulated in the 5G UPF is decapsulated in the target network based on the GRE protocol, and the integrity of data packet forwarding can be ensured.
Specifically, when port forwarding is performed through the first router, a forwarding request sent by a target network is received, then a data packet is transmitted to an entity switch from an external data network, the data packet is transmitted to an entity network card in the 5G UPF by the entity switch, the entity network card is transmitted to a virtual bridge connected with a virtual switch port corresponding to the entity network card, and then the data packet is transmitted to a network agent (a private network agent and a public network agent) associated with the virtual bridge by the virtual bridge, the data packet is not decapsulated in the 5G UPF, an original route returns to the entity switch, the entity switch is transmitted to a virtual machine instance requested to be accessed by the forwarding request in the target network, and the target data packet is decapsulated in the target network based on a GRE protocol.
The application provides a data forwarding method based on a 5G user plane functional entity as shown in FIG. 3. Fig. 3 is a flowchart of a data forwarding method according to embodiment 1 of the present invention, and as shown in fig. 3, the method includes the following steps:
step S302, receiving a target data packet forwarded by a 5G user plane functional entity, wherein the target data packet is encapsulated by a general routing encapsulation protocol;
and step S304, decapsulating the target data packet based on the generic routing encapsulation protocol.
In the embodiment of the application, a target data packet forwarded by a 5G user plane functional entity is received, where the target data packet is encapsulated by a generic routing encapsulation protocol, and then the target data packet is decapsulated based on the generic routing encapsulation protocol. Because the General Routing Encapsulation (GRE) tunnel technology supports the multicast technology, the method has great potential application in the application scenes of live transmission of videos, audios and the like, and is one of important modes for accessing a special cloud by a user.
As an alternative embodiment, receiving the target data packet forwarded from the 5G user plane function entity includes: sending a forwarding request; and forwarding the target data packet to the virtual machine instance requested to be accessed by the forwarding request from the external data network through a second router, wherein the second router is used for carrying out port forwarding according to the network address translation technology.
As an alternative embodiment, forwarding, by the second router, the target packet from the external data network to the virtual machine instance requested to be accessed by the forwarding request includes: receiving a target data packet forwarded by a 5G user plane functional entity through an entity switch, wherein the target data packet is encapsulated through a general routing encapsulation protocol; receiving a target data packet transmitted by the entity switch through a second entity network card, forwarding the target data packet to a virtual bridge connected with a virtual switch port corresponding to the second entity network card through the second entity network card, and transmitting the target data packet to a second router associated with the virtual bridge through the virtual bridge; and according to rules recorded by a network address translation table in an IP data packet filtering system configured in the second router, forwarding control is carried out on the target data packet, and the target data packet is forwarded to the virtual machine instance requested to be accessed by the forwarding request.
Specifically, the network address translation table stores a mapping relationship between a public network IP address and a port of a virtual machine instance, and may determine a target port corresponding to a forwarding request according to the public network IP address and the mapping relationship corresponding to the forwarding request, and forward a target packet decapsulated based on a GRE protocol to the target port, where the target port is a port of the virtual machine instance requested to be accessed by the forwarding request, and the virtual machine instance performs service data feedback through the target port.
As an alternative embodiment, decapsulating the destination data packet by using a generic routing encapsulation protocol includes: and under the condition that the second router detects the target data packet with the protocol header of the general routing encapsulation protocol, decapsulating the target data packet. And adding a Generic Routing Encapsulation (GRE) protocol packet header to the sent data packet for encapsulation, so that the data packet of the user is routed out, decapsulating the data packet when a second router in the target network can check the same GRE protocol packet header, then forwarding the data of the next hop, and repeating the process to realize the intercommunication of the user data with different regional separation or logic separation.
Fig. 4 shows a schematic data flow diagram of an optional data forwarding process, where 5G UPF is a user plane function entity inside a 5G Network, Instance is a virtual machine, Router is a Router, which performs port forwarding according to NAT (Network Address Translation), tap is a corresponding port, brqf17f4d26-a5 and brq6a9089dc-85 are virtual bridges, virtual Switch is a virtual Switch, Physical Eth is a Physical Network card, Physical Switch is a Physical Switch, net-private-agent and net-public-agent are a private Network agent and a public Network agent, respectively, DN and Internet are external data networks, and MEC is a mobile edge center. Optionally, in the data forwarding system, 2 entity switches and 4 virtual switches may also be used to implement 1+1 redundancy backup, so as to ensure high availability of a specific transmission network.
When the external data network accesses the virtual machine instance, the service request enters the virtual switch enp s0f1 from DN or MEC, and through creating the virtual switch's physical network card enp s0f-, through the physical switch directly connected to the physical network card and the Internet to the router at the 5G network internal user end, adds the Generic Routing Encapsulation (GRE) protocol header to the sent data packet in the router for encapsulation, so that the user's data packet is routed out, enters the physical switch through the Internet, and reaches the network agent (tapa8aefdb-8f, tapp 278d9 db-278 d-f 2) through the virtual bridge (brq a9089dc-85, brqf17f4d26-a5) directly connected to the virtual switch enp s0f1 and virtual switch enp s0f1 created by the physical network card in 5G UPF, the data packet is forwarded in 5G network agent (tapa8aefdb-8f, tapp 278d9 db-f 1 f 2) in 5G network switch, forwarded in 5G network forwarding switch, through the virtual switch unbundropped network card created by the virtual network card, and the virtual switch 638 id 2s 2 f, and the virtual switch 1, arriving at the router through the virtual bridge (brq6a9089dc-85, brqf17f4d26-a5) directly connected with the virtual switch enp2s0f1, and when checking the same GRE protocol header, decapsulating the data packet.
Still taking fig. 4 as an example, the data packet encapsulated based on the GRE protocol is transferred to the private network segment interface tap0 of the router through the virtual bridge brqf17f4d26-a5, and the data packet decapsulated based on the GRE protocol performs forwarding control on the data packet according to the rule recorded in the network address translation table in the IP data packet filtering system configured in the router, and forwards the target data packet to the private network segment interface tap0 of the virtual machine instance requested to be accessed by the forwarding request.
Example 2
According to an embodiment of the present invention, a first data forwarding device based on a 5G user plane functional entity is further provided, and fig. 5 is a block diagram of a first data forwarding device according to embodiment 2 of the present invention, as shown in fig. 5, the first data forwarding device includes: an encapsulation module 502 and a forwarding module 504, which are described in detail below.
An encapsulation module 502, configured to encapsulate a data packet to be sent based on a generic routing encapsulation protocol to obtain a target data packet;
a forwarding module 504, configured to forward the target data packet to the target network by the 5G user plane functional entity, where the target data packet is decapsulated in the target network based on a generic routing encapsulation protocol.
It should be noted here that the encapsulating module 502 and the forwarding module 504 correspond to steps S202 to S204 in embodiment 1, and the implementation examples and application scenarios of the modules and the corresponding steps are the same, but are not limited to the disclosure in embodiment 1. It should be noted that the above modules may be operated in the computer terminal 10 provided in embodiment 1 as a part of the apparatus.
According to an embodiment of the present invention, a second data forwarding device based on a 5G user plane functional entity is further provided, and fig. 6 is a block diagram of a second data forwarding device according to embodiment 2 of the present invention, as shown in fig. 6, the second data forwarding device includes: a receiving module 602 and a decapsulating module 604, which will be described in detail below.
A receiving module 602, configured to receive a target data packet forwarded by a 5G user plane functional entity, where the target data packet is encapsulated by a generic routing encapsulation protocol;
and a decapsulating module 604, configured to decapsulate the target data packet by using a generic routing encapsulation protocol.
It should be noted that the receiving module 602 and the decapsulating module 604 correspond to steps S302 to S304 in embodiment 1, and the modules are the same as the corresponding steps in the implementation example and application scenarios, but are not limited to the disclosure in embodiment 1. It should be noted that the above modules may be operated in the computer terminal 10 provided in embodiment 1 as a part of the apparatus.
Example 3
The embodiment of the invention can provide an electronic device, which can be a terminal or a server. In this embodiment, the electronic device may be any one of computer terminal devices in a computer terminal group as a terminal. Optionally, in this embodiment, the terminal may also be a terminal device such as a mobile terminal.
Optionally, in this embodiment, the terminal may be located in at least one network device of a plurality of network devices of a computer network.
Alternatively, fig. 7 is a block diagram illustrating a structure of a terminal according to an exemplary embodiment. As shown in fig. 7, the terminal may include: one or more processors 71 (only one shown), a memory 72 for storing processor-executable instructions; wherein the processor is configured to execute the instructions to implement any of the above data forwarding methods based on the 5G user plane functional entity.
The memory may be configured to store a software program and a module, such as program instructions/modules corresponding to the data forwarding method and apparatus based on the 5G user plane functional entity in the embodiment of the present invention, and the processor executes various functional applications and data processing by running the software program and the module stored in the memory, that is, implements the data forwarding method based on the 5G user plane functional entity. The memory may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory may further include memory located remotely from the processor, and these remote memories may be connected to the computer terminal through a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The processor can call the information and application program stored in the memory through the transmission device to execute the following steps: packaging a data packet to be sent based on a general routing packaging protocol to obtain a target data packet; and forwarding the target data packet to a target network by the 5G user plane functional entity, wherein the target data packet is decapsulated in the target network based on a general routing encapsulation protocol.
Optionally, the processor may further execute the program code of the following steps: encapsulating a data packet to be sent based on a general routing encapsulation protocol to obtain a target data packet, including: and in the first router, adding a protocol packet header of a general routing encapsulation protocol to a data packet to be sent to obtain a target data packet.
Optionally, the processor may further execute the program code of the following steps: forwarding the target data packet to the target network by the 5G user plane functional entity, wherein the forwarding comprises the following steps: sending a forwarding request to a 5G user plane functional entity; and forwarding the target data packet to the virtual machine instance requested to be accessed by the forwarding request in the target network by the 5G user plane functional entity through the first router.
Optionally, the processor may further execute the program code of the following steps: through a first router, forwarding a target data packet to a virtual machine instance requested to be accessed by a forwarding request in a target network by a 5G user plane functional entity, wherein the virtual machine instance comprises: transmitting the target data packet to an entity switch from an external data network through a first router, and transmitting the target data packet to a 5G user plane functional entity through the entity switch to perform partial decapsulation; and the target data packet which is not decapsulated is transmitted back to the entity switch by the 5G user plane functional entity, and is forwarded to the virtual machine instance requested to be accessed by the forwarding request in the target network by the entity switch.
The processor can call the information and application program stored in the memory through the transmission device to execute the following steps: receiving a target data packet forwarded by a 5G user plane functional entity, wherein the target data packet is encapsulated by a general routing encapsulation protocol; and decapsulating the target data packet through a general routing encapsulation protocol.
Optionally, the processor may further execute the program code of the following steps: receiving a target data packet forwarded by a 5G user plane functional entity, comprising: and forwarding the target data packet to the virtual machine instance requested to be accessed by the forwarding request received by the 5G user plane functional entity from the external data network through a second router, wherein the second router is used for carrying out port forwarding according to the network address translation technology.
Optionally, the processor may further execute the program code of the following steps: forwarding, by the second router, the target packet from the external data network to the virtual machine instance requested to be accessed by the forwarding request, including: receiving a target data packet forwarded by a 5G user plane functional entity through an entity switch, wherein the target data packet is encapsulated through a general routing encapsulation protocol; receiving a target data packet transmitted by the entity switch through a second entity network card, forwarding the target data packet to a virtual bridge connected with a virtual switch port corresponding to the second entity network card through the second entity network card, and transmitting the target data packet to a second router associated with the virtual bridge through the virtual bridge; and according to rules recorded by a network address translation table in an IP data packet filtering system configured in the second router, forwarding control is carried out on the target data packet, and the target data packet is forwarded to the virtual machine instance requested to be accessed by the forwarding request.
Optionally, the processor may further execute the program code of the following steps: decapsulating the destination data packet by a generic routing encapsulation protocol, comprising: and under the condition that the second router detects the target data packet with the protocol header of the general routing encapsulation protocol, decapsulating the target data packet.
Optionally, the processor may further execute the program code of the following steps: the method further comprises the following steps: and playing the downloaded screenshot.
In the embodiment of the present invention, the electronic device serves as a server, and fig. 8 is a block diagram illustrating a structure of a server according to an exemplary embodiment. As shown in fig. 8, the server 80 may include: one or more (only one shown) processing components 81, a memory 82 for storing instructions executable by the processing components 81, a power supply component 83 for supplying power, a network interface 84 for implementing communication with an external network, and an I/O input/output interface 85 for data transmission with the outside; wherein the processing component 81 is configured to execute instructions to implement any of the above-mentioned 5G user plane functional entity based data forwarding methods.
The memory may be configured to store a software program and a module, such as program instructions/modules corresponding to the data forwarding method and apparatus based on the 5G user plane functional entity in the embodiment of the present invention, and the processor executes various functional applications and data processing by running the software program and the module stored in the memory, that is, implements the data forwarding method based on the 5G user plane functional entity. The memory may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory may further include memory located remotely from the processor, and these remote memories may be connected to the computer terminal through a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The processing component can call the information and the application program stored in the memory through the transmission device to execute the following steps: packaging a data packet to be sent based on a general routing packaging protocol to obtain a target data packet; and forwarding the target data packet to a target network by the 5G user plane functional entity, wherein the target data packet is decapsulated in the target network based on a general routing encapsulation protocol.
Optionally, the processing component may further execute program codes of the following steps: encapsulating a data packet to be sent based on a general routing encapsulation protocol to obtain a target data packet, including: and in the first router, adding a protocol packet header of a general routing encapsulation protocol to a data packet to be sent to obtain a target data packet.
Optionally, the processing component may further execute program codes of the following steps: forwarding the target data packet to the target network by the 5G user plane functional entity, wherein the forwarding comprises the following steps: sending a forwarding request to a 5G user plane functional entity; and forwarding the target data packet to the virtual machine instance requested to be accessed by the forwarding request in the target network by the 5G user plane functional entity through the first router.
Optionally, the processing component may further execute program codes of the following steps: through a first router, forwarding a target data packet to a virtual machine instance requested to be accessed by a forwarding request in a target network by a 5G user plane functional entity, wherein the virtual machine instance comprises: transmitting the target data packet to an entity switch from an external data network through a first router, and transmitting the target data packet to a 5G user plane functional entity through the entity switch to perform partial decapsulation; and the target data packet which is not decapsulated is transmitted back to the entity switch by the 5G user plane functional entity, and is forwarded to the virtual machine instance requested to be accessed by the forwarding request in the target network by the entity switch.
The processing component can call the information and the application program stored in the memory through the transmission device to execute the following steps: receiving a target data packet forwarded by a 5G user plane functional entity, wherein the target data packet is encapsulated by a general routing encapsulation protocol; and decapsulating the target data packet through a general routing encapsulation protocol.
Optionally, the processing component may further execute program codes of the following steps: receiving a target data packet forwarded by a 5G user plane functional entity, comprising: and forwarding the target data packet to the virtual machine instance requested to be accessed by the forwarding request received by the 5G user plane functional entity from the external data network through a second router, wherein the second router is used for carrying out port forwarding according to the network address translation technology.
Optionally, the processing component may further execute program codes of the following steps: forwarding, by the second router, the target packet from the external data network to the virtual machine instance requested to be accessed by the forwarding request, including: receiving a target data packet forwarded by a 5G user plane functional entity through an entity switch, wherein the target data packet is encapsulated through a general routing encapsulation protocol; receiving a target data packet transmitted by the entity switch through a second entity network card, forwarding the target data packet to a virtual bridge connected with a virtual switch port corresponding to the second entity network card through the second entity network card, and transmitting the target data packet to a second router associated with the virtual bridge through the virtual bridge; and according to rules recorded by a network address translation table in an IP data packet filtering system configured in the second router, forwarding control is carried out on the target data packet, and the target data packet is forwarded to the virtual machine instance requested to be accessed by the forwarding request.
Optionally, the processing component may further execute program codes of the following steps: decapsulating the destination data packet by a generic routing encapsulation protocol, comprising: and under the condition that the second router detects the target data packet with the protocol header of the general routing encapsulation protocol, decapsulating the target data packet.
It can be understood by those skilled in the art that the structures shown in fig. 7 and fig. 8 are only schematic, for example, the terminal may also be a terminal device such as a smart phone (e.g., an Android phone, an iOS phone, etc.), a tablet computer, a palmtop computer, a Mobile Internet Device (MID), a PAD, and the like. Fig. 7 and 8 do not limit the structure of the electronic device. For example, it may also include more or fewer components (e.g., network interfaces, display devices, etc.) than shown in fig. 7, 8, or have a different configuration than shown in fig. 7, 8.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by a program instructing hardware associated with the terminal device, where the program may be stored in a computer-readable storage medium, and the storage medium may include: flash disks, Read-Only memories (ROMs), Random Access Memories (RAMs), magnetic or optical disks, and the like.
Example 4
In an exemplary embodiment, there is also provided a computer-readable storage medium comprising instructions, which when executed by a processor of a terminal, enable the terminal to perform any one of the above-mentioned 5G user plane function entity-based data forwarding methods. Alternatively, the computer readable storage medium may be a non-transitory computer readable storage medium, for example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
Optionally, in this embodiment, the computer-readable storage medium may be configured to store a program code executed by the 5G user plane function entity-based data forwarding method provided in embodiment 1.
Optionally, in this embodiment, the computer-readable storage medium may be located in any one of a group of computer terminals in a computer network, or in any one of a group of mobile terminals.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: packaging a data packet to be sent based on a general routing packaging protocol to obtain a target data packet; and forwarding the target data packet to a target network by the 5G user plane functional entity, wherein the target data packet is decapsulated in the target network based on a general routing encapsulation protocol.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: encapsulating a data packet to be sent based on a general routing encapsulation protocol to obtain a target data packet, including: and in the first router, adding a protocol packet header of a general routing encapsulation protocol to a data packet to be sent to obtain a target data packet.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: forwarding the target data packet to the target network by the 5G user plane functional entity, wherein the forwarding comprises the following steps: sending a forwarding request to a 5G user plane functional entity; and forwarding the target data packet to the virtual machine instance requested to be accessed by the forwarding request in the target network by the 5G user plane functional entity through the first router.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: through a first router, forwarding a target data packet to a virtual machine instance requested to be accessed by a forwarding request in a target network by a 5G user plane functional entity, wherein the virtual machine instance comprises: transmitting the target data packet to an entity switch from an external data network through a first router, and transmitting the target data packet to a 5G user plane functional entity through the entity switch to perform partial decapsulation; and the target data packet which is not decapsulated is transmitted back to the entity switch by the 5G user plane functional entity, and is forwarded to the virtual machine instance requested to be accessed by the forwarding request in the target network by the entity switch.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: receiving a target data packet forwarded by a 5G user plane functional entity, wherein the target data packet is encapsulated by a general routing encapsulation protocol; and decapsulating the target data packet through a general routing encapsulation protocol.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: receiving a target data packet forwarded by a 5G user plane functional entity, comprising: and forwarding the target data packet to the virtual machine instance requested to be accessed by the forwarding request received by the 5G user plane functional entity from the external data network through a second router, wherein the second router is used for carrying out port forwarding according to the network address translation technology.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: forwarding, by the second router, the target packet from the external data network to the virtual machine instance requested to be accessed by the forwarding request, including: receiving a target data packet forwarded by a 5G user plane functional entity through an entity switch, wherein the target data packet is encapsulated through a general routing encapsulation protocol; receiving a target data packet transmitted by the entity switch through a second entity network card, forwarding the target data packet to a virtual bridge connected with a virtual switch port corresponding to the second entity network card through the second entity network card, and transmitting the target data packet to a second router associated with the virtual bridge through the virtual bridge; and according to rules recorded by a network address translation table in an IP data packet filtering system configured in the second router, forwarding control is carried out on the target data packet, and the target data packet is forwarded to the virtual machine instance requested to be accessed by the forwarding request.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: decapsulating the destination data packet by a generic routing encapsulation protocol, comprising: and under the condition that the second router detects the target data packet with the protocol header of the general routing encapsulation protocol, decapsulating the target data packet.
In an exemplary embodiment, there is further provided a computer program product, which, when executed by a processor of an electronic device, enables the electronic device to perform any of the above-mentioned 5G user plane functional entity based data forwarding methods.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, a division of a unit is merely a division of a logic function, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (13)
1. A data forwarding method based on a 5G user plane functional entity is characterized by comprising the following steps:
packaging a data packet to be sent based on a general routing packaging protocol to obtain a target data packet;
and forwarding the target data packet to a target network by a 5G user plane functional entity, wherein the target data packet is decapsulated in the target network based on the general routing encapsulation protocol.
2. The data forwarding method of claim 1, wherein encapsulating the data packet to be sent based on a generic routing encapsulation protocol to obtain a target data packet comprises:
and in the first router, adding a protocol packet header of the general routing encapsulation protocol to the data packet to be sent to obtain the target data packet.
3. The data forwarding method of claim 2, wherein forwarding the target data packet to a target network by a 5G user plane function entity comprises:
receiving a forwarding request from the target network;
and forwarding the target data packet to the virtual machine instance requested to be accessed by the forwarding request in the target network by the 5G user plane functional entity through the first router.
4. The data forwarding method according to claim 3, wherein forwarding, by the first router, the target packet to the virtual machine instance in the target network, which is requested to be accessed by the forwarding request, by the 5G user plane function entity includes:
transmitting the target data packet to an entity switch from an external data network through the first router, and transmitting the target data packet to the 5G user plane functional entity through the entity switch to perform partial decapsulation;
the target data packet which is not decapsulated is delivered back to the entity switch by the 5G user plane function entity, and is forwarded to the virtual machine instance requested to be accessed by the forwarding request in the target network by the entity switch.
5. A data forwarding method based on a 5G user plane functional entity is characterized by comprising the following steps:
receiving a target data packet forwarded by a 5G user plane functional entity, wherein the target data packet is encapsulated by a general routing encapsulation protocol;
and decapsulating the target data packet based on the generic routing encapsulation protocol.
6. The data forwarding method of claim 5, wherein receiving the target data packet forwarded from the 5G user plane function entity comprises:
sending a forwarding request;
and forwarding the target data packet to the virtual machine instance requested to be accessed by the forwarding request from an external data network through a second router, wherein the second router is used for carrying out port forwarding according to a network address translation technology.
7. The data forwarding method of claim 6, wherein forwarding the target data packet from the external data network to the virtual machine instance requested to be accessed by the forwarding request through a second router comprises:
receiving a target data packet forwarded by the 5G user plane functional entity through an entity switch, wherein the target data packet is encapsulated through a general routing encapsulation protocol;
receiving the target data packet transmitted by the entity switch through a second entity network card, forwarding the target data packet to a virtual bridge connected with a virtual switch port corresponding to the second entity network card through the second entity network card, and transmitting the target data packet to the second router associated with the virtual bridge through the virtual bridge;
and according to rules recorded by a network address translation table in an IP data packet filtering system configured in the second router, forwarding control is carried out on the target data packet, and the target data packet is forwarded to the virtual machine instance requested to be accessed by the forwarding request.
8. The data forwarding method of claim 6 wherein decapsulating the destination data packet by the generic routing encapsulation protocol comprises:
and under the condition that the second router detects a target data packet with a protocol packet header of a general routing encapsulation protocol, decapsulating the target data packet.
9. A data forwarding device based on a 5G user plane functional entity is characterized by comprising:
the encapsulation module is used for encapsulating the data packet to be sent based on a general routing encapsulation protocol to obtain a target data packet;
and the forwarding module is used for forwarding the target data packet to a target network by a 5G user plane functional entity, wherein the target data packet is decapsulated in the target network based on the general routing encapsulation protocol.
10. A data forwarding device based on a 5G user plane functional entity is characterized by comprising:
the receiving module is used for receiving a target data packet forwarded by a 5G user plane functional entity, wherein the target data packet is encapsulated by a general routing encapsulation protocol;
and the decapsulation module is used for decapsulating the target data packet through the general routing encapsulation protocol.
11. An electronic device, comprising:
a processor;
a memory for storing the processor-executable instructions;
wherein the processor is configured to execute the instructions to implement the data forwarding method of any one of claims 1 to 8.
12. A computer-readable storage medium, wherein instructions in the computer-readable storage medium, when executed by a processor of an electronic device, enable the electronic device to perform the data forwarding method of any one of claims 1 to 8.
13. A computer program product comprising a computer program, characterized in that the computer program realizes the data forwarding method of any one of claims 1 to 8 when executed by a processor.
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