CN110943922A - Data distribution method and router - Google Patents
Data distribution method and router Download PDFInfo
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- CN110943922A CN110943922A CN201911277666.0A CN201911277666A CN110943922A CN 110943922 A CN110943922 A CN 110943922A CN 201911277666 A CN201911277666 A CN 201911277666A CN 110943922 A CN110943922 A CN 110943922A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
- H04L45/745—Address table lookup; Address filtering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/12—Shortest path evaluation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
- H04L63/101—Access control lists [ACL]
Abstract
The embodiment of the invention provides a data distribution method and a router, relates to the field of communication, and can reasonably deploy an MEC server so as to reduce the transmission delay of user data by using the MEC server. The method is applied to a router, wherein the router is positioned between a base station and a core network element and is connected with a mobile edge computing MEC server; the method comprises the following steps: receiving user uplink data sent by a user terminal through a base station; judging whether a target Internet Protocol (IP) address in user uplink data is matched with an Access Control List (ACL) rule or not; if the destination IP address in the user uplink data matches the ACL rule, the user uplink data is sent to the MEC server; and if the destination IP address in the user uplink data does not match the ACL rule, sending the user uplink data to a core network element. The method of the invention is used for reducing the transmission delay of the user data.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a data offloading method and a router.
Background
With the development of mobile communication technology, more and more new services emerge, such as playing ultra-clear videos, live broadcast interaction, and the like. These new services place higher demands on both the rate and the delay of the mobile communication system. In the conventional 4 th generation (4G) network, user data sent by a user terminal needs to be processed by a wireless base station, and then is sent to a core network element through a backhaul network, and then is forwarded to the external internet. Due to the long transmission path of the user data in the 4G network, the conventional 4G network cannot meet the requirements of new services on the rate and the transmission delay.
In the research of the fifth generation (5-generation, 5G) communication technology, the reduction of the transmission delay of user data can be realized by deploying a Mobile Edge Computing (MEC) server. However, the existing deployment method of the MEC server is not reasonable enough (for example, the deployment cost is high), and is not beneficial to popularization.
Disclosure of Invention
Embodiments of the present invention provide a data offloading method and a router, which are used to deploy an MEC server reasonably, so as to reduce transmission delay of user data by using the MEC server.
In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
in a first aspect, a data offloading method is provided, where the data offloading method is applied to a router, the router is located between a base station and a core network element, and the router is connected to an MEC server, and the method includes: the router receives user uplink data sent by a user terminal through a base station, judges whether an Internet Protocol (IP) address interconnected between target networks in the user uplink data matches an Access Control List (ACL) rule or not, sends the user uplink data to an MEC server when the target IP address in the user uplink data matches the ACL rule, and sends the user uplink data to a core network element when the target IP address in the user uplink data does not match the ACL rule.
Based on the technical scheme, the router filters and matches the user uplink data according to the ACL rule; and when the destination IP address in the user uplink data is matched with the ACL rule, sending the user uplink data to the MEC server. Therefore, the user uplink data matched with the ACL rule does not need to be transmitted in a long distance through a core network element and the Internet any more, the response time delay of the user data can be greatly reduced, and the user experience of the user access service is improved. In addition, the technical scheme of the invention is to directly connect the MEC server with the router without adding extra equipment, thereby reducing the deployment cost of operators.
In a second aspect, a router is provided, where the router is located between a base station and a network element of a core network, and the router is connected to an MEC server; the router includes: the device comprises a communication module and a processing module. The communication module is used for receiving user uplink data sent by a user terminal through a base station; and the processing module is used for judging whether a destination IP address in the user uplink data received by the communication module matches an ACL rule, sending the user uplink data received by the communication module to the MEC server when the destination IP address in the user uplink data received by the communication module matches the ACL rule, and sending the user uplink data received by the communication module to the core network element when the destination IP address in the user uplink data received by the communication module does not match the ACL rule.
In a third aspect, a router is provided, comprising a memory, a processor, a bus, and a communication interface; the memory is used for storing computer execution instructions, and the processor is connected with the memory through a bus; when the router is running, the processor executes the computer-executable instructions stored by the memory to cause the router to perform the data offloading method provided as described in the first aspect and any one of the possible implementations of the first aspect.
In a fourth aspect, a computer storage medium is provided, which includes computer executable instructions, which when executed on a computer, cause the computer to perform the provided data offloading method as described in the first aspect and any possible implementation manner of the first aspect.
In a fifth aspect, the present invention provides a computer program product containing instructions for causing a computer to perform the data offloading method described in the first aspect and any possible implementation manner of the first aspect when the computer program product runs on the computer.
In a sixth aspect, an embodiment of the present invention provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a computer program or instructions to implement the data offloading method described in the first aspect and any possible implementation manner of the first aspect.
Drawings
Fig. 1 is a schematic diagram of an MEC deployment architecture according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a data offloading method according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a user data transmission path according to an embodiment of the present invention;
fig. 4 is a schematic diagram of another user data transmission path according to an embodiment of the present invention;
fig. 5 is a schematic flow chart of another data offloading method according to an embodiment of the present invention;
fig. 6 is a schematic flow chart of another data offloading method according to an embodiment of the present invention;
fig. 7 is a schematic flow chart of another data offloading method according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a router according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a router according to an embodiment of the present invention.
Detailed Description
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, in the embodiments of the present invention, words such as "exemplary" or "for example" are used to indicate examples, illustrations or explanations. Any embodiment or design described as "exemplary" or "e.g.," an embodiment of the present invention is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
It should be noted that, in the embodiments of the present invention, "of", "corresponding" and "corresponding" may be sometimes used in combination, and it should be noted that, when the difference is not emphasized, the intended meaning is consistent.
For the convenience of clearly describing the technical solutions of the embodiments of the present invention, in the embodiments of the present invention, the words "first", "second", and the like are used for distinguishing the same items or similar items with basically the same functions and actions, and those skilled in the art can understand that the words "first", "second", and the like are not limited in number or execution order.
In 5G research, the MEC server can be used to meet the requirements of new services on rate and transmission delay, however, at present, the MEC server is used as a content distribution server to solve the problem of low delay. For example:
(1) the MEC server is deployed near the base station, so that the user service is distributed based on the application inside the MEC server. However, the prior art does not disclose how to offload the uplink data of the user of the base station to the MEC server.
(2) And the slave base station is accessed to the MEC server by using a private line so as to shunt the user uplink data of the base station to the MEC server. However, in this method, the dedicated lines accessing the MEC server are all optical fibers, which is costly, and requires regular operation and maintenance, and the coverage of the dedicated network is not complete.
(3) The link between the base station and the router is additionally provided with 2 switches, the base station is connected with the first switch, the first switch is connected with the MEC server, and the MEC server is connected with the second switch. The method adds 2 switches on the existing link, so that the cost is high and the method is not easy to popularize.
Therefore, the technical scheme does not well use the MEC server to solve the problem of low time delay of new service requirements.
In order to solve the technical problem, embodiments of the present invention provide a data offloading method and a router.
As shown in fig. 1, a system architecture used in the technical solution provided by the embodiment of the present invention includes: user terminal 01, base station 02, router 03, MEC server 04, core network element 05, and internet 06.
The user terminal 01 may be a mobile phone used by a user, and the user terminal 01 may be a portable electronic device that further includes other functions such as a personal digital assistant and/or a music player, such as a mobile phone, a tablet computer, a wearable device (e.g., a smart watch) with a wireless communication function, and the like. Exemplary embodiments of the portable electronic device include, but are not limited to, a mount
Or other operating system. The portable electronic device may also be other portable electronic devices such as laptop computers (laptop) with touch sensitive surfaces (e.g., touch panels), etc. It should also be understood that in other embodiments of the present invention, the user terminal may not be a portable electronic device, but may be a desktop computer having a touch-sensitive surface (e.g., a touch panel).
A router 03, which is a computer network device capable of transmitting data to a destination through a packet-by-packet network, operates in the third layer of the Open System Interconnection (OSI) model, i.e., the network layer; the router 03 receives the user uplink data transmitted by the user terminal 01 and forwarded by the base station 02.
And the MEC server 04 is used for sinking the content and the application to the edge of the mobile network, namely, the MEC server 04 is close to the wireless base station side, and the MEC server 04 receives the user uplink data forwarded by the router 03.
The core network element 05 is connected to the router 03, receives the user uplink data forwarded by the router 03, and sends the user uplink data to the internet 06 connected to the core network element 05.
Referring to fig. 2, the present invention provides a data offloading method, including: S101-S104.
S101, the router receives user uplink data sent by the user terminal through the base station.
The user uplink data at least comprises a user identifier, a content identifier and a destination address.
Illustratively, the user 1 wants to view the a video, the user identifier may be a Subscriber Identity Module (SIM) number configured in the user terminal used by the user 1 for accessing the network, the content identifier may be an a video identifier, and the destination address may be the a video server address 10.100.10.2.
S102, the router judges whether the destination IP address in the user uplink data matches an ACL rule.
As a possible implementation manner, the router determines whether the destination IP address in the uplink data of the user matches the destination server IP address in the ACL rule. And if the destination IP address in the user uplink data is matched with the destination server IP address in the ACL rule, the router determines that the destination IP address in the user uplink data is matched with the ACL rule. And if the destination IP address in the user uplink data is not matched with the destination server IP address in the ACL rule, the router determines that the destination IP address in the user uplink data is not matched with the ACL rule.
Illustratively, when a user 1 watches a video a through a user terminal, the user terminal sends user uplink data, a destination IP address in the user uplink data is 10.100.10.3, and a destination server IP address in an ACL rule configured by the router is 10.100.10.2, it is determined that the destination IP in the user uplink data does not match the destination server IP in the ACL rule, and the router sends the user uplink data to a core network element.
When the destination IP address in the user uplink data matches the ACL rule, S103 is executed; and executing S104 when the destination IP address in the user uplink data does not match the ACL rule.
S103, the router sends the user uplink data to the MEC server.
It can be understood that if a destination Internet Protocol (IP) address in the user uplink data matches an ACL rule, it indicates that the user uplink data is user uplink data that needs data offloading, and according to a next hop network address in the ACL rule, the user uplink data is forwarded to a server corresponding to the next hop network address, that is, an MEC server.
For example, the transmission direction of uplink data of the user matching the ACL rule may be as shown in the uplink transmission direction in fig. 3.
And S104, the router sends the user uplink data to a core network element.
It can be understood that the router determines that the destination IP address in the user upstream data does not match the ACL rule, i.e. the user upstream data does not need to be subject to local content offloading. The user uplink data does not have high requirements on low time delay or has small influence on user experience, and is sent to a core network element without influencing normal access service of the user.
For example, the transmission direction of uplink data of users not matching the ACL rules may be as shown in the uplink transmission direction in fig. 4.
Based on the above technical solution, in the data offloading method provided in the embodiment of the present invention, the router filters and matches the user uplink data according to the ACL rule, and when it is determined that the destination IP address in the user uplink data matches the ACL rule, sends the user uplink data to the MEC server. Therefore, the uplink data of the user does not need to be transmitted in a long distance through the network element of the core network and the internet, the transmission delay of the user data can be greatly reduced, and the user experience of the user for accessing the service can be improved. In addition, the technical scheme of the invention is to connect the MEC server with the router without adding extra equipment, thereby reducing the deployment cost of operators.
As a possible implementation manner, referring to fig. 5, after step S104, the data offloading method provided in the embodiment of the present invention further includes S105 and S106.
S105, the router receives the response information sent by the MEC server.
And the response information is used for responding to the user uplink data received by the MEC server. The response information at least comprises a user identification, a user address and a content data packet.
For example, when the user uplink data is for acquiring B music, the content data packet in the response information may be B music.
Optionally, the MEC server updates the local content source to the internet in real time, so as to ensure that the resource that the user needs to access can be found in the MEC server.
S106, the router sends response information to the user terminal through the base station.
As a possible implementation manner, after receiving the response information sent by the MEC, the router sends the response information to the user terminal through the base station according to the user address in the response information.
For example, the transmission direction of the response message sent by the MEC server may be as shown in the downlink transmission direction in fig. 3.
Based on the technical scheme, the user uplink data does not need to be transmitted through the core network element and the internet for a long distance after passing through the router, and the response information does not need to be transmitted through the internet and the core network element for a long distance before reaching the router, so that the transmission delay of the user data can be greatly reduced, the user experience of the user for accessing the service can be improved, and meanwhile, no additional equipment is required to be added for implementing the method, and the deployment cost is reduced.
Optionally, referring to fig. 6, before step S102, the data offloading method provided in the embodiment of the present invention further includes step S201.
S201, the router judges whether a link between the router and the MEC server has a fault.
As a possible implementation manner, the router may detect whether a link between the router and the MEC server has a failure in real time based on a Bidirectional Forwarding Detection (BFD) mechanism.
It should be noted that the link between the router and the MEC server uses a static route or implements a route based on an Open Shortest Path First (OSPF) protocol.
If the link between the router and the MEC server has no fault, executing the step S102; if the link between the router and the MEC server has a failure, step S104 is executed.
Based on the technical scheme shown in fig. 6, when the MEC server fails or a link between the router and the MEC server fails, the router determines that the route between the router and the MEC server converges, and the router cannot transmit the user uplink data to the MEC server, the router directly sends the user uplink data to the core network element, so that the core network element responds to the user uplink data, and normal service access of the user is not affected.
Optionally, referring to fig. 7, the data offloading method provided in the embodiment of the present invention further includes, before step S101, S301 and S302.
S301, the router acquires the IP address of the destination server needing to be shunted.
As a possible implementation manner, the router receives the destination server IP address issued by the OAM system.
Illustratively, the operator collects or counts the destination server IP addresses, such as an a video server IP address of 10.100.10.2 and a B music server IP address of 10.100.12.3. And then, the operator sends the IP address of the destination server to the router through the OAM system.
S302, the router generates an ACL rule according to the IP address of the destination server.
Optionally, the ACL rules are: when the destination address of the data packet is the IP address of the destination server, the next hop address of the data packet is the address of the MEC server; and if the destination address of the data packet is not the IP address of the destination server, the next hop address of the data packet is the address of the network element of the core network.
In the embodiment of the present invention, the router may be replaced by a three-layer switch. That is, the technical solution provided by the present invention can be implemented by a three-layer switch. The three-layer switch is positioned on a link between the base station and a core network element, and the MEC server is independently connected with the three-layer switch; the technical scheme provided by the embodiment of the invention does not change the existing network architecture, only the MEC server is connected on the router or the three-layer switch, the backbone network resource is not occupied, the backbone network service is not influenced, other equipment does not need to be newly added, the cost for deploying the MEC server is low, and the popularization is easy.
In the embodiment of the present invention, the network device may be divided into functional modules or functional units according to the above method examples, for example, each functional module or functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The integrated module may be implemented in a form of hardware, or may be implemented in a form of a software functional module or a functional unit. The division of the modules or units in the embodiments of the present invention is schematic, and is only a logic function division, and there may be another division manner in actual implementation.
As shown in fig. 8, an embodiment of the present invention provides a router 01, where the router 01 is located between a base station and a network element of a core network, and the router 01 is connected to an MEC server. The router includes: a communication module 02 and a processing module 03. The communication module 02 is configured to receive, through the base station, user uplink data sent by the user terminal. And the processing module 03 is configured to determine whether the destination IP address in the user uplink data received by the communication module 02 matches the ACL rule. The processing module 03 is further configured to send the user uplink data received by the communication module 02 to the MEC server when a destination IP address in the user uplink data received by the communication module 02 matches an ACL rule. The processing module 03 is further configured to send the user uplink data received by the communication module 02 to a core network element when a destination IP address in the user uplink data received by the communication module 02 does not match an ACL rule.
In a possible design, the processing module 03 is further configured to determine whether a link between the router and the MEC server has a failure. If the processing module 03 determines that a link between the router and the MEC server has a fault, the user uplink data received by the communication module 02 is sent to the core network element through the communication module 02.
In one possible design, the processing module is specifically configured to determine whether a destination IP address in the user uplink data received by the communication module matches a destination server IP address in an ACL rule. If the destination IP address in the user uplink data received by the communication module 02 matches the destination server IP address in the ACL rule, it is determined that the destination IP address in the user uplink data received by the communication module 02 matches the ACL rule. If the destination IP address in the user uplink data received by the communication module 02 does not match the destination server IP address in the ACL rule, it is determined that the destination IP address in the user uplink data received by the communication module 02 does not match the ACL rule.
In one possible design, the communication module 02 is further configured to obtain an IP address of a destination server to be split. The processing module 03 is further configured to generate an ACL rule according to the IP address of the destination server acquired by the communication module 02.
In a possible design, the communication module 02 is further configured to receive response information sent by the MEC server, and send the response information to the user terminal through the base station.
In one possible design, the processing module 03 detects the response message received by the communication module 02, and sends the response message to the base station through the communication module 02 by using a destination address in the response message, so that the base station sends the response message to the user terminal.
Referring to fig. 9, an embodiment of the present invention further provides another router, which includes a memory 41, a processor 42, a bus 43, and a communication interface 44; the memory 41 is used for storing computer execution instructions, and the processor 42 is connected with the memory 41 through a bus 43; when the router is running, the processor 42 executes the computer-executable instructions stored in the memory 41 to cause the router to perform the data offloading method provided by the above-described embodiments.
In particular implementations, processor 42(42-1 and 42-2) may include one or more CPUs, such as CPU0 and CPU1 shown in FIG. 9, for example, as one embodiment. And as an example, the router may include a plurality of processors 42, such as processor 42-1 and processor 42-2 shown in fig. 9. Each of the processors 42 may be a single-Core Processor (CPU) or a multi-Core Processor (CPU). Processor 42 may refer herein to one or more devices, circuits, and/or processing cores that process data (e.g., computer program instructions).
The memory 41 may be, but is not limited to, a read-only memory 41 (ROM) or other type of static storage device that can store static information and instructions, a Random Access Memory (RAM) or other type of dynamic storage device that can store information and instructions, an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disc storage, optical disc storage (including compact disc, laser disc, optical disc, digital versatile disc, blu-ray disc, etc.), a magnetic disc storage medium or other magnetic storage device, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer. The memory 41 may be self-contained and coupled to the processor 42 via a bus 43. The memory 41 may also be integrated with the processor 42.
In a specific implementation, the memory 41 is used for storing data in the present invention and computer executable instructions corresponding to a software program for executing the present invention. The processor 42 may perform various functions of the router by running or executing software programs stored in the memory 41, as well as invoking data stored in the memory 41.
The communication interface 44 is any device, such as a transceiver, for communicating with other devices or communication networks, such as a control system, a Radio Access Network (RAN), a Wireless Local Area Network (WLAN), and the like. The communication interface 44 may include a receiving unit implementing a receiving function and a transmitting unit implementing a transmitting function.
The bus 43 may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an extended ISA (enhanced industry standard architecture) bus, or the like. The bus 43 may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 9, but this does not indicate only one bus or one type of bus.
Embodiments of the present invention provide a computer program product including instructions, which, when run on a computer, cause the computer to execute the data offloading method in the above method embodiments.
The embodiment of the present invention further provides a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the instructions are run on a computer, the computer is enabled to execute the data offloading method in the method flow shown in the foregoing method embodiment.
Those skilled in the art will recognize that, in one or more of the examples described above, the functions described in this invention may be implemented in hardware, software, firmware, or any combination thereof. When implemented in software, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.
Through the above description of the embodiments, it is clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of the device may be divided into different functional modules to complete all or part of the above described functions.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules or units is only one logical function division, and there may be other division ways in actual implementation. For example, various elements or components may be combined or may be integrated into another device, or some features may be omitted, or not implemented. 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, devices or units, and may be in an electrical, mechanical or other form. Units described as separate parts may or may not be physically separate, and parts displayed as units may be one physical unit or a plurality of physical units, may be located in one place, or may be distributed to a plurality of different places. 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 readable storage medium. Based on such understanding, the technical solution of the embodiments of the present invention may be essentially or partially contributed to by the prior art, or all or part of the technical solution may be embodied in the form of a software product, where the software product is stored in a storage medium and includes several instructions to enable a device (which may be a single chip, a chip, or the like) or a processor (processor) 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: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (12)
1. A data distribution method is applied to a router, the router is located between a base station and a core network element, the router is connected with a Mobile Edge Computing (MEC) server, and the method is characterized by comprising the following steps:
receiving user uplink data sent by a user terminal through a base station;
judging whether a destination IP address in the user uplink data matches an ACL rule or not;
if the destination IP address in the user uplink data matches the ACL rule, sending the user uplink data to the MEC server;
and if the destination IP address in the user uplink data does not match the ACL rule, sending the user uplink data to the core network element.
2. The data offloading method according to claim 1, wherein before determining whether a destination IP address in the user uplink data matches an ACL rule, the method further includes:
judging whether a link between the router and the MEC server has a fault or not;
and if the link between the router and the MEC server has a fault, sending the user uplink data to a core network element.
3. The data offloading method according to claim 1, wherein the determining whether the destination IP address in the user uplink data matches an ACL rule comprises:
judging whether a destination IP address in the user uplink data is matched with a destination server IP address in the ACL rule;
if the destination IP address in the user uplink data is matched with the destination server IP address in the ACL rule, determining that the destination IP address in the user uplink data is matched with the ACL rule;
and if the destination IP address in the user uplink data is not matched with the destination server IP address in the ACL rule, determining that the destination IP address in the user uplink data is not matched with the ACL rule.
4. The data offloading method of claim 1, wherein before receiving, by the base station, the user uplink data sent by the user terminal, the method further comprises:
acquiring an IP address of a destination server;
and generating the ACL rule according to the IP address of the destination server.
5. The data offloading method according to claim 1, wherein after the sending the user uplink data to the MEC server, the method further includes:
and receiving response information sent by the MEC server, and sending the response information to the user terminal through the base station.
6. A router, the router being located between a base station and a network element of a core network, the router being connected to an MEC server, the router comprising: a communication module and a processing module;
the communication module is used for receiving user uplink data sent by a user terminal through a base station;
the processing module is used for judging whether a destination IP address in the user uplink data received by the communication module matches an ACL rule or not;
the processing module is further configured to send the user uplink data received by the communication module to the MEC server if a destination IP address in the user uplink data received by the communication module matches the ACL rule;
the processing module is further configured to send the user uplink data received by the communication module to the core network element if the destination IP address in the user uplink data received by the communication module does not match the ACL rule.
7. The router of claim 6,
the processing module is further configured to determine whether a link between the router and the MEC server has a fault;
and if the processing module determines that the link between the router and the MEC server has a fault, the user uplink data received by the communication module is sent to a core network element through the communication module.
8. The router of claim 6, wherein the processing module is specifically configured to:
judging whether a destination IP address in the user uplink data received by the communication module is matched with a destination server IP address in the ACL rule;
if the destination IP address in the user uplink data received by the communication module is matched with the destination server IP address in the ACL rule, determining that the destination IP address in the user uplink data received by the communication module is matched with the ACL rule;
and if the destination IP address in the user uplink data received by the communication module is not matched with the destination server IP address in the ACL rule, determining that the destination IP address in the user uplink data received by the communication module is not matched with the ACL rule.
9. The router of claim 6,
the communication module is also used for acquiring the IP address of the destination server;
the processing module is further configured to generate the ACL rule according to the IP address of the destination server acquired by the communication module.
10. The router of claim 6,
the communication module is further configured to receive response information sent by the MEC server, and send the response information to the user terminal through a base station.
11. A router comprising a memory, a processor, a bus, and a communication interface; the memory is used for storing computer execution instructions, and the processor is connected with the memory through the bus; when the router is running, the processor executes the computer-executable instructions stored by the memory to cause the router to perform the data offloading method of any of claims 1-5.
12. A computer storage medium comprising computer executable instructions which, when executed on a computer, cause the computer to perform the data offloading method of any of claims 1-5.
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