CN114286450B - Bearer establishment method and device, electronic equipment and storage medium - Google Patents
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Abstract
The embodiment of the application provides a bearer establishment method, a bearer establishment device, electronic equipment and a storage medium, wherein the method comprises the following steps: determining a target public data network gateway user plane PGW-U network element based on the identification code of the target user; the target PGW-U network element is a PGW-U network element for providing service for the target user; and sending a bearer establishment request message to the target PGW-U network element. According to the bearer establishment method, the bearer establishment device, the electronic equipment and the storage medium, the PGW-U network element is determined based on the identification code of the user, and the user is taken as the center, so that the proper PGW-U equipment is selected for the specific user, the customer perception and differentiated service capability is improved, and the matched investment such as the performance analysis investment is saved.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method and apparatus for bearer establishment, an electronic device, and a storage medium.
Background
The Control Plane (CP) and User Plane (UP) separation (abbreviated as "C/U separation") technique refers to separating the gateway Control Plane (Gate Way Control Plane, GW-C) and gateway User Plane (Gate Way User Plane, GW-U) and deploying them independently.
In the related art, a public data network gateway control plane (Public Data Network Gate Way Control Plane, PGW-C) network element selects a certain PGW-U to serve a terminal (UE) according to weights and load conditions of an access point name (Access Point Name, APN), a Tracking Area (TA) and a public data network gateway User plane (Public Data Network Gate Way User Plane, PGW-U) network element, and then initiates a bearer establishment request to the selected PGW-U.
However, the related art cannot achieve access to a specific PGW-U near an application platform by a user using a general APN, and cannot provide high quality service for a specific high value user.
Disclosure of Invention
The embodiment of the application provides a bearer establishment method, a bearer establishment device, electronic equipment and a storage medium, which are used for solving the technical problem that high-quality service cannot be provided for specific high-value users in the prior art.
The embodiment of the application provides a bearer establishment method, which comprises the following steps:
determining a target public data network gateway user plane PGW-U network element based on the identification code of the target user; the target PGW-U network element is a PGW-U network element for providing service for the target user;
and sending a bearer establishment request message to the target PGW-U network element.
According to an embodiment of the present application, the method for establishing a bearer, which determines a target public data network gateway user plane PGW-U network element based on an identification code of a target user, specifically includes:
if the identification code of the target user exists in a preset corresponding table, taking a PGW-U network element corresponding to the identification code of the target user as the target PGW-U network element; the corresponding table contains the corresponding relation between the identification code of the user and the PGW-U network element, and the identification code of one user corresponds to one PGW-U network element.
According to an embodiment of the present application, the method for establishing a bearer, which determines a target public data network gateway user plane PGW-U network element based on an identification code of a target user, specifically includes:
if the identification code of the target user does not exist in the preset corresponding table, selecting a PGW-U network element from a preset PGW-U network element pool as the target PGW-U network element; the corresponding table comprises a corresponding relation between the identification code of a user and the PGW-U network element, and the identification code of one user corresponds to one PGW-U network element; the PGW-U network element pool comprises a plurality of PGW-U network elements; and the PGW-U network element pool does not comprise the PGW-U network elements in the corresponding table.
According to one embodiment of the application, the identification code is a mobile subscriber international integrated services digital network number MSISDN.
According to the bearer establishment method of one embodiment of the present application, the identification code is an international mobile subscriber identification code IMSI of a target subscriber identity module SIM card, and the identities of the target SIM card and the target user are bound to each other.
According to the bearer establishment method of one embodiment of the present application, the identification code is an international mobile equipment identification code IMEI of a target terminal, and the identities of the target terminal and the target user are bound to each other.
The embodiment of the application also provides a bearing establishment device, which comprises:
the determining module is used for determining a target public data network gateway user plane PGW-U network element based on the identification code of the target user; the target PGW-U network element is a PGW-U network element for providing service for the target user;
and the establishing module is used for sending a load establishing request message to the target PGW-U network element.
According to one embodiment of the application, the identification code is a mobile subscriber international integrated services digital network number MSISDN.
The embodiment of the application also provides electronic equipment, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the steps of any one of the bearer establishment methods when executing the program.
The embodiments of the present application also provide a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the bearer establishment method as described in any of the above.
According to the bearer establishment method, the bearer establishment device, the electronic equipment and the storage medium, the PGW-U network element is determined based on the identification code of the user, and the user is taken as the center, so that the proper PGW-U equipment is selected for the specific user, the customer perception and differentiated service capability is improved, and the matched investment such as the performance analysis investment is saved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a prior art SGW-C/U and PGW-C/U selection process;
fig. 2 is a schematic flow chart of a bearer establishment method according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a system architecture according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a business process provided by an embodiment of the present application;
fig. 5 is a schematic structural diagram of a bearer establishment apparatus according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
Fig. 1 is a schematic diagram of a selection flow of SGW-C/U and PGW-C/U in the prior art, as shown in fig. 1, in a scenario where a Service GateWay (SGW) and a public data network GateWay (Public Data Network Gate Way, PGW) adopt separate setting, a C/U separation technology is adopted, and the selection flow of SGW-C/U and PGW-C/U is as follows:
(1) A mobility management entity (Mobility Management Entity, MME) sends TA information of the UE and the constructed APN message to a domain name system (Domain Name System, DNS) and requests to resolve a service list of SGW-C and PGW-C capable of providing services of the UE;
(2) According to a preconfigured rule, the MME selects one SGW-C and PGW-C in the list to serve the UE, and obtains internet protocol (Internet Protocol, IP) addresses of the SGW-C and the PGW-C through DNS;
(3) The MME initiates a bearer establishment request for the UE to SGW-C, and the bearer establishment request comprises messages such as TA of the UE, international integrated service digital network number (Mobile Subscriber International ISDN/PSTN number, MSISDN) of the mobile subscriber, international mobile equipment identification code (International Mobile Equipment Identity, IMEI) and the like;
(4) The SGW-C selects a certain SGW-U to serve the UE according to the TA position, the weight and the load condition of the SGW-U, and the SGW-U feeds back the IP address, the tunnel endpoint identification (Tunnel Endpoint Identifier, TEID) address and the like;
(5) The SGW-C initiates a bearer establishment request for the UE to the PGW-C, wherein the bearer establishment request comprises a message such as TA, MSISDN, IMEI of the UE, an IP address and a TEID address of the SGW-U and the like;
(6) And selecting a certain PGW-U to serve the UE by the PGW-C according to the weights and the load conditions of the APN, the TA and the PGW-U, and feeding back the IP address, the TEID address and the like of the PGW-U.
The PGW/salgw may obtain information such as TA, MSISDN, IMEI of the UE, and before the C/U separation architecture is not adopted, the selection of PGW/salgw is determined by the MME according to the APN.
After the C/U separation architecture is adopted, the MME only determines the PGW-C/SAE-C serving the UE according to the APN, and does not designate the PGW-U/SAE-U serving the UE, so that a path is provided for the PGW-C/SAE-C to flexibly select the PGW-U/SAE-U.
Because of the adoption of the C/U separation architecture, the control plane (C plane) can be arranged in a centralized manner, and the user plane (U plane) equipment can be arranged on different layers according to requirements, and one C plane equipment can possibly be provided with a plurality of U plane equipment on different layers. There are the following problems:
(1) The SGi interface of the PGW-U/SAE-U needs to be in butt joint with an Internet and service application platform, and the closer the PGW-U/SAE-U is to the application platform, the better the experience is. At present, a user adopting a general APN cannot access to a specific PGW-U/SAE-U close to an application platform.
(2) Specific services (e.g., direct connection backbone, data acceleration, direct connection game platform, etc.) cannot be implemented for high value users such as specific users and specific number segments (e.g., users with tail numbers 8888).
(3) The analysis of data performance for a particular user and a particular number segment (e.g., 139 segments, e.g., a certain city number segment) and the like cannot be economically and effectively implemented.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Fig. 2 is a flowchart of a bearer establishment method provided by an embodiment of the present application, and as shown in fig. 2, an embodiment of the present application provides a bearer establishment method, an execution body of which may be PGW-C, where the method includes:
step 201, determining a target public data network gateway user plane PGW-U network element based on an identification code of a target user; the target PGW-U network element is a PGW-U network element providing services for the target user.
Specifically, in the embodiment of the application, the PGW-C/SAE-C selects the PGW-U corresponding to the user to serve the user according to the identification code of the user.
And setting a strategy for selecting the PGW-U/SAE-U based on the user identification code on the PGW-C/SAE-C, acquiring the identification code information of the UE by the PGW-C/SAE-C, configuring a corresponding table of the identification code and the PGW-U/SAE-U, and inquiring the table of the identification code of the UE by the PGW-C/SAE-C to determine the corresponding PGW-U/SAE-U.
Step 202, a bearer establishment request message is sent to the target PGW-U network element.
Specifically, after determining a target PGW-U network element corresponding to the target user, information such as an IP address and a TEID address of the target PGW-U is obtained, and a bearer establishment request message is sent to the target PGW-U network element.
According to the bearer establishment method provided by the embodiment of the application, the PGW-U network element is determined based on the identification code of the user, and the user is taken as the center, so that proper PGW-U equipment is selected for the specific user, the customer perception and differentiated service capability is improved, and the matched investment such as the performance analysis investment is saved.
Based on any of the foregoing embodiments, the determining the PGW-U network element of the target public data network gateway based on the identification code of the target user specifically includes:
if the identification code of the target user exists in a preset corresponding table, taking a PGW-U network element corresponding to the identification code of the target user as the target PGW-U network element; the corresponding table contains the corresponding relation between the identification code of the user and the PGW-U network element, and the identification code of one user corresponds to one PGW-U network element.
Specifically, in the embodiment of the present application, the specific steps for determining the target PGW-U network element based on the identification code of the target user are as follows:
first, it is determined whether an identification code of a target user exists in a preset correspondence table. The correspondence table contains the correspondence between the identification code of the user and the PGW-U network element, and the identification code of one user corresponds to one PGW-U network element.
And then, if the identification code of the target user exists in the preset corresponding table, taking the PGW-U network element corresponding to the identification code of the target user as a target PGW-U network element.
According to the bearer establishment method provided by the embodiment of the application, the PGW-U network element is determined based on the identification code of the user, and the user is taken as the center, so that proper PGW-U equipment is selected for the specific user, the customer perception and differentiated service capability is improved, and the matched investment such as the performance analysis investment is saved.
Based on any of the foregoing embodiments, the determining the PGW-U network element of the target public data network gateway based on the identification code of the target user specifically includes:
if the identification code of the target user does not exist in the preset corresponding table, selecting a PGW-U network element from a preset PGW-U network element pool as the target PGW-U network element; the corresponding table comprises a corresponding relation between the identification code of a user and the PGW-U network element, and the identification code of one user corresponds to one PGW-U network element; the PGW-U network element pool comprises a plurality of PGW-U network elements; and the PGW-U network element pool does not comprise the PGW-U network elements in the corresponding table.
Specifically, the specific steps for determining the target PGW-U network element based on the identification code of the target user are as follows:
first, it is determined whether an identification code of a target user exists in a preset correspondence table. The correspondence table contains the correspondence between the identification code of the user and the PGW-U network element, and the identification code of one user corresponds to one PGW-U network element.
Then, if the identification code of the target user does not exist in the preset corresponding table, selecting a PGW-U network element from a preset PGW-U network element pool as a target PGW-U network element.
The PGW-U network element pool comprises a plurality of PGW-U network elements, and the PGW-U network element pool does not comprise the PGW-U network elements in the corresponding table.
According to the bearer establishment method provided by the embodiment of the application, the PGW-U network element is determined based on the identification code of the user, and the user is taken as the center, so that proper PGW-U equipment is selected for the specific user, the customer perception and differentiated service capability is improved, and the matched investment such as the performance analysis investment is saved.
Based on any of the above embodiments, the identification code is a mobile subscriber international integrated services digital network number, MSISDN.
Specifically, in the embodiment of the present application, the identification code of the target user is an MSISDN.
According to the bearer establishment method provided by the embodiment of the application, the PGW-U network element is determined based on the identification code of the user, and the user is taken as the center, so that proper PGW-U equipment is selected for the specific user, the customer perception and differentiated service capability is improved, and the matched investment such as the performance analysis investment is saved.
Based on any of the above embodiments, the identification code is an international mobile subscriber identification code IMSI of a target subscriber identity module SIM card, and the target SIM card and the identity of the target user are bound to each other.
Specifically, in the embodiment of the present application, the identification code of the target user is the international mobile subscriber identification code (International Mobile Subscriber Identity, IMSI) of the target user identity module (Subscriber Identity Module, SIM) card, and the identities of the target SIM card and the target user are bound to each other in advance.
According to the bearer establishment method provided by the embodiment of the application, the PGW-U network element is determined based on the identification code of the user, and the user is taken as the center, so that proper PGW-U equipment is selected for the specific user, the customer perception and differentiated service capability is improved, and the matched investment such as the performance analysis investment is saved.
Based on any of the above embodiments, the identification code is an international mobile equipment identification code IMEI of the target terminal, and identities of the target terminal and the target user are bound to each other.
Specifically, in the embodiment of the present application, the identification code of the target user is the IMEI of the target terminal, and the identity of the target terminal and the identity of the target user are bound with each other in advance.
According to the bearer establishment method provided by the embodiment of the application, the PGW-U network element is determined based on the identification code of the user, and the user is taken as the center, so that proper PGW-U equipment is selected for the specific user, the customer perception and differentiated service capability is improved, and the matched investment such as the performance analysis investment is saved.
The method in each of the above embodiments is described below by way of a specific example:
FIG. 3 is a schematic diagram of a system architecture provided by an embodiment of the present application, AS shown in FIG. 3, and mainly relates to PGW/SAE-C and PGW/SAE-U, and external networks and Application Systems (AS) interfacing with the PGW/SAE-U.
After the C/U is separated, the C surface is intensively arranged in the center of a large area, and the U surface equipment is arranged in a machine room of a large area, a province or a city according to the requirement, and a specific user or a PGW/SAE-U equipment corresponding to a specific number segment is configured at the PGW/SAE-C according to the arrangement position of the service application platform AS, so that the PGW/SAE-U equipment is closely abutted to the service application platform AS.
Fig. 4 is a schematic diagram of a service flow provided in an embodiment of the present application, as shown in fig. 4, a policy for selecting PGW-U/SAE-U based on a user MSISDN is set on PGW-C/SAE-C, PGW-C/SAE-C obtains MSISDN information of UE, and configures a table corresponding to PGW-U/SAE-U at the same time, PGW-C/SAE-C performs table query on the MSISDN of UE, if the MSISDN of UE has a correspondence with PGW-U/SAE-U, then the PGW-U/SAE-U is selected, and if the MSISDN of UE has no correspondence with PGW-U/SAE-U, then a PGW-U/SAE-U is selected according to the rule configured previously.
The embodiment of the application can achieve the following technical effects:
1. the requirement of the user of the Internet of things on nearby access service application platform is met
At present, the Internet of things adopts a national strategy of provincial development service, which mainly aims at providing national Internet of things service for enterprises in the provincial, and most numbers issued for one enterprise are continuous number segments, and the enterprise users are routed to PGW-U with a specific distance by configuring the PGW-U nearby a service application platform for the enterprise user number segments, so that the time delay is reduced, and the user perception is improved.
2. Differentiated services such as data acceleration for high value users
The method has the advantages that the higher service quality is ensured from the UE to the PGW/SAEGW side, the hop count of the network equipment passing through the method is stable, the hop count of the network equipment passing through the PGW to the application platform has certain uncertainty, and differentiated services are provided for the PGW-U of the high-value user to the high-speed private network.
3. Dividing the market into segments and analyzing the user data performance of important users
The configuration needs to analyze the corresponding relation between the user number segment and the specific PGW/SAE-U, only needs to analyze the flow of 1 set or several sets of PGW/SAE-U, after a period of time, configures other city number segments according to the need, and does not need to analyze the complete PGW/SAE-U flow, thereby saving investment of a performance analysis system and the like.
4. Network access test for newly accessed PGW/SAE-U equipment
Besides selecting the PGW/SAE-U according to the APN, the proposal provides that GW-C selects the PGW/SAE-U according to the MSISDN, which is convenient for flexibly and conveniently appointing the specific PGW/SAE-U for specific users or users with a certain number section, is convenient for appointing the dial-up number to carry out network access test on newly added PGW/SAE-U equipment, and does not need to carry out relevant data configuration on MME or HSS, thereby improving dial-up efficiency and reducing the data configuration workload of different network elements and different manufacturers.
Based on any of the foregoing embodiments, fig. 5 is a schematic structural diagram of a bearer establishment apparatus according to an embodiment of the present application, and as shown in fig. 5, the embodiment of the present application provides a bearer establishment apparatus, including a determining module 501 and an establishment module 502, where:
the determining module 501 is configured to determine a PGW-U network element of a target public data network gateway user plane based on an identification code of a target user; the target PGW-U network element is a PGW-U network element for providing service for the target user; the establishing module 502 is configured to send a bearer establishment request message to the target PGW-U network element.
Specifically, the bearer establishment apparatus provided by the embodiment of the present application can implement all the method steps implemented by the embodiment of the method, and can achieve the same technical effects, and the same parts and beneficial effects as those of the embodiment of the method in the embodiment are not described in detail herein.
Fig. 6 illustrates a physical schematic diagram of an electronic device, as shown in fig. 6, which may include: processor 610, communication interface (Communications Interface) 620, memory 630, and communication bus 640, wherein processor 610, communication interface 620, and memory 630 communicate with each other via communication bus 640. The processor 610 may invoke logic instructions in the memory 630 to perform a bearer establishment method comprising: determining a target public data network gateway user plane PGW-U network element based on the identification code of the target user; the target PGW-U network element is a PGW-U network element for providing service for the target user;
and sending a bearer establishment request message to the target PGW-U network element.
Further, the logic instructions in the memory 630 may be implemented in the form of software functional units and stored in a computer-readable storage medium when sold or used as a stand-alone product. Based on this understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In another aspect, embodiments of the present application further provide a computer program product, the computer program product including a computer program stored on a non-transitory computer readable storage medium, the computer program including a program or instructions which, when executed by a computer, is capable of executing the bearer establishment method provided by the above method embodiments, the method including: determining a target public data network gateway user plane PGW-U network element based on the identification code of the target user; the target PGW-U network element is a PGW-U network element for providing service for the target user;
and sending a bearer establishment request message to the target PGW-U network element.
In yet another aspect, embodiments of the present application further provide a non-transitory computer readable storage medium having stored thereon a computer program, which when executed by a processor, is implemented to perform the bearer establishment method provided in the above embodiments, the method comprising: determining a target public data network gateway user plane PGW-U network element based on the identification code of the target user; the target PGW-U network element is a PGW-U network element for providing service for the target user;
and sending a bearer establishment request message to the target PGW-U network element.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present application without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A method of bearer establishment, comprising:
determining a target public data network gateway user plane PGW-U network element based on the identification code of the target user and a preset corresponding table; the corresponding table comprises a corresponding relation between the identification code of a user and the PGW-U network element, and the identification code of one user corresponds to one PGW-U network element; the target PGW-U network element is a PGW-U network element for providing service for the target user;
and sending a bearer establishment request message to the target PGW-U network element.
2. The method for establishing a bearer according to claim 1, wherein the determining the PGW-U network element of the target public data network gateway user plane based on the identification code of the target user and the preset correspondence table specifically comprises:
if the identification code of the target user exists in the preset corresponding table, taking the PGW-U network element corresponding to the identification code of the target user as the target PGW-U network element.
3. The method for establishing a bearer according to claim 1, wherein the determining the PGW-U network element of the target public data network gateway user plane based on the identification code of the target user and the preset correspondence table specifically comprises:
if the identification code of the target user does not exist in the preset corresponding table, selecting a PGW-U network element from a preset PGW-U network element pool as the target PGW-U network element; the PGW-U network element pool comprises a plurality of PGW-U network elements; and the PGW-U network element pool does not comprise the PGW-U network elements in the corresponding table.
4. A bearer establishment method according to any of the claims 1-3, characterized in that said identification code is a mobile subscriber international integrated services digital network number, MSISDN.
5. A method of bearer establishment according to any of claims 1-3, wherein the identification code is the international mobile subscriber identity IMSI of a target subscriber identity module SIM card, the identity of the target SIM card and the identity of the target user being mutually bound.
6. A method of bearer establishment according to any of claims 1-3, wherein the identity is an international mobile equipment identity IMEI of a target terminal, the identity of the target terminal and the identity of the target user being mutually bound.
7. A bearer establishment apparatus, comprising:
the determining module is used for determining a PGW-U network element of the gateway user plane of the target public data network based on the identification code of the target user and a preset corresponding table; the preset corresponding table comprises a corresponding relation between the identification code of a user and the PGW-U network element, and the identification code of one user corresponds to one PGW-U network element; the target PGW-U network element is a PGW-U network element for providing service for the target user;
and the establishing module is used for sending a load establishing request message to the target PGW-U network element.
8. The bearer establishment apparatus of claim 7, wherein the identification code is a mobile subscriber international integrated services digital network number, MSISDN.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the bearer establishment method as claimed in any one of claims 1 to 6 when the program is executed by the processor.
10. A non-transitory computer readable storage medium having stored thereon a computer program, which when executed by a processor performs the steps of the bearer establishment method as claimed in any of claims 1 to 6.
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