CN105357143B - A kind of retransmission method and service routing relay node - Google Patents

A kind of retransmission method and service routing relay node Download PDF

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CN105357143B
CN105357143B CN201510855005.7A CN201510855005A CN105357143B CN 105357143 B CN105357143 B CN 105357143B CN 201510855005 A CN201510855005 A CN 201510855005A CN 105357143 B CN105357143 B CN 105357143B
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service
isp
plug
northbound interface
relay node
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CN105357143A (en
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沈智敏
陈殿福
周文涛
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

This application provides a kind of service routing relay nodes, by the interface encapsulation of the same type of ISP that can provide same service in service plug, and register the corresponding relationship of available service and northbound interface in service register center.Upon receipt of a service request, according to routing policy and pre-stored corresponding relationship, determine service plug, ISP is further determined that, to complete the forwarding of service request, therefore, service routing relay node assumes responsibility for the policy selection of routing, and service consumer is not necessarily to the selection target in multiple ISPs, thus it is possible to reduce the complexity of service consumer.

Description

A kind of retransmission method and service routing relay node
Technical field
This application involves the communications field more particularly to a kind of retransmission methods and service routing relay node.
Background technique
Fig. 1 show a kind of typical routing scene, and ISP Service Provider is to service register center Service Registry registers itself available service ability, and comprising service name, access information and strategy etc., service disappears The person of expense Service Consumer, by sending the title of service to Service Registry, is obtained before obtaining service The address of Service Provider, and initiate to access to the address of Service Provider.
It is obtained if there is multiple Service Provider, Service Consumer that can provide service multiple The address of Service Provider, in the case, Service Consumer will be selected by some preset strategies to which A Service Provider initiates access, therefore, will increase the complexity of Service Consumer.
Summary of the invention
This application provides a kind of method and devices, it is therefore intended that solves how to reduce the complexity of Service Consumer The problem of spending.
To achieve the goals above, this application provides following technical schemes:
The first aspect of the application provides a kind of service routing relay node, comprising: northbound interface corresponding with service, For receiving the service request of service consumer transmission;Service plug, the service that a service plug connects a kind of service provide Person;Memory module, for storing the corresponding relationship between northbound interface, the service plug and equipment, the equipment is at least wrapped Include ISP;And forwarding module, for determining the north orientation by inquiring the corresponding relationship according to routing policy The corresponding service plug of interface, and the service request is forwarded to by the clothes that the service plug connects by the service plug Be engaged in supplier.
Above-mentioned service routing relay node, by the interface encapsulation of the same type of ISP that can provide same service The corresponding relationship of available service and northbound interface is registered in service plug, and in service register center.Receiving clothes After business request, according to routing policy and pre-stored corresponding relationship, determines service plug, further determines that ISP, To complete the forwarding of service request, therefore, service routing relay node assumes responsibility for the policy selection of routing, and service consumer Without the selection target in multiple ISPs, thus it is possible to reduce the complexity of service consumer.
Optionally, in a kind of implementation of first aspect, the service request carries the mark of ISP;Institute Forwarding module is stated for by inquiring the corresponding relationship determining that the corresponding service of the northbound interface is slotting according to routing policy Part, and the service request is forwarded to by ISP's concrete mode that the service plug connects by the service plug Are as follows: the forwarding module is specifically used for, and by inquiry northbound interface, service plug and the corresponding relationship of ISP, determines The corresponding service plug of the mark of the northbound interface and the ISP, and by the service plug by the service Request is forwarded to the ISP with the mark.
Because carrying the mark of ISP in service request, service routing relay node may be implemented to service The addressing of consumer specified services supplier forwards.
Optionally, in another implementation of first aspect, the service request carries the mark of user equipment;Institute Stating corresponding relationship of the memory module for storing between northbound interface, the service plug and equipment includes: the memory module Specifically for storage northbound interface, the service plug, ISP and take corresponding relationship between user equipment;Described turn It sends out module and determines the corresponding plug-in unit of the northbound interface, and by described by inquiring the corresponding relationship according to routing policy The service request is forwarded to another specific implementation of the ISP of the service plug connection by service plug Are as follows: the forwarding module is specifically used for, and by inquiring the corresponding relationship, determines the northbound interface and the user equipment Corresponding ISP is identified, and determines the corresponding service plug of the ISP, and by the service plug, it will The service request is sent to the corresponding ISP of mark of the user equipment.
As it can be seen that service routing relay node can also realize the addressing forwarding of service consumer designated user's equipment.
Optionally, in another implementation of first aspect, the memory module is also used to: receiving ISP The user equipment corresponding relationship change message reported, and according to the change message, update northbound interface, the service plug, Corresponding relationship between ISP and user equipment.
Optionally, in another implementation of first aspect, one service plug connects the one of a kind of service Class ISP, one kind ISP includes the ISP for following same agreement, or, it then follows it is same The ISP of the same version of agreement, alternatively, the ISP of the same manufacturer.
Optionally, in another implementation of first aspect, the memory module is stored with multiple groups northbound interface, clothes The corresponding relationship being engaged between plug-in unit and ISP.
Optionally, in another implementation of first aspect, further includes:
Registration module, for registering the corresponding relationship between the northbound interface and service name, institute to service register center Title of the service register center for the service according to the Service Consumer request is stated, Xiang Suoshu service consumer is sent and institute State the address of the corresponding northbound interface of service name.
The second aspect of the application provides retransmission method, comprising the following steps: service routing relay node passes through north orientation The service request that interface service consumer is sent, and according to routing policy, by inquiry northbound interface, service plug and set Corresponding relationship between standby, determines the corresponding service plug of the northbound interface, wherein the equipment includes at least service and provides Person sends the service request to by the service plug ISP of the service plug connection.
Optionally, in a kind of implementation of the first aspect of the application, the service request carries ISP Mark;
The service routing relay node passes through between inquiry northbound interface, service plug and equipment according to routing policy Corresponding relationship determines that the corresponding service plug of the northbound interface includes:
The service routing relay node passes through the corresponding pass between inquiry northbound interface, service plug and ISP System, determines the corresponding service plug of the mark of the northbound interface and the ISP;
The service routing relay node sends the service plug for the service request by the service plug The ISP of connection includes:
The service request is forwarded to the mark by the service routing relay node by the service plug ISP.
Optionally, in another implementation of the first aspect of the application, the service request carries user equipment Mark;
The service routing relay node passes through between inquiry northbound interface, service plug and equipment according to routing policy Corresponding relationship determines that the corresponding service plug of the northbound interface includes:
The service routing relay node by inquiry northbound interface, service plug, ISP and user equipment it Between corresponding relationship, determine the corresponding ISP of the mark of the northbound interface and the user equipment, and described in determining The corresponding service plug of ISP;
The service routing relay node sends the service plug for the service request by the service plug The ISP of connection includes:
The service routing relay node sends the user equipment for the service request by the service plug The corresponding ISP of mark.
Optionally, in another implementation of the first aspect of the application, further includes: the service routing relaying section Point receives the user equipment corresponding relationship change message that ISP reports, and according to the change message, updates north orientation and connect Corresponding relationship between mouth, the service plug, ISP and user equipment.
Optionally, in another implementation of the first aspect of the application, further includes: the service routing relaying section Point registers the corresponding relationship between the northbound interface and service name to service register center, and the registration module is used for according to institute The title of the service of Service Consumer request is stated, Xiang Suoshu service consumer sends northbound interface corresponding with the service name Address.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is the schematic diagram for routing scene;
Fig. 2 is the schematic diagram for being applicable in scene of service routing relay node;
Fig. 3 is the structural schematic diagram of service routing relay node disclosed in the embodiment of the present application;
Fig. 4 is the process for the detailed process that service routing relay node disclosed in the embodiment of the present application forwards service request Figure;
Fig. 5 is another detailed process that service routing relay node disclosed in the embodiment of the present application forwards service request Flow chart.
Specific embodiment
This application provides a kind of service routing relay nodes, as shown in Fig. 2, be deployed in Service Consumer from Service Provider is called in the scene of service.
Specifically, Service Consumer can be the application program from terminal or network, Service Provider can be network side equipment, such as mobility management entity (Mobility Management Entity-MME), Grouped data network gateway (Packet data network Gateway, PGW), gateway (Serving Gateway, SGW).Service Provider can be the server for being deployed in network side.
Wherein, user equipment can be attached on Service Provider, the user equipment can be terminal device, Such as smart phone, PAD, data card.
The function of service routing relay node shown in Fig. 2 is, provides and service pair for Service Consumer The northbound interface answered, and the service request of Service Consumer is forwarded to corresponding Service according to routing policy Provider, so that Service Consumer is not necessarily to carry out the screening of Service Provider, to mitigate Service The burden of Consumer, to reduce the complexity of Service Consumer.
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application is described.
Fig. 3 is the specific structure of service routing relay node, including northbound interface 101, service plug 102, storage Module 103 and forwarding module 104.
Specifically, northbound interface is corresponding with service, for example, northbound interface 1 corresponds to short message service.Northbound interface and clothes It is engaged in corresponding the advantage is that shielding the difference of distinct interface to Service Consumer, so that same service is corresponding same One virtual northbound interface.
Specifically, any one service plug connects a kind of Service Provider of service, for example, service plug 1 Connection MME1 and MME2, MME1 and MME2 are the supplier of short message service.Further, a service plug connects one kind A kind of Service Provider of service, one kind Service Provider includes following same agreement Service Provider, or, it then follows the Service Provider of the same version of same agreement, alternatively, same The ISP of a manufacturer.Such as service plug 1 connects the short message service offer equipment of vendor A, and service plug 2 connects The short message service of manufacturer B provides equipment.
Classification according to Service Provider is connected to different service plugs and is advantageous in that, be conducive to be The compatibility of system can be accessed using different agreement, version or the service providing device of different vendor by service plug System, the normal operation without will affect system.Also, service plug can be extended deployment, to improve service road By the extended capability of relay node.
Specifically, memory module 103 is used to store the corresponding relationship between northbound interface, service plug and equipment, this reality It applies in example, equipment is Service Provider or equipment is Service Provider and user equipment.
That is, can store northbound interface, service plug and Service Provider three in memory module Between corresponding relationship, in Fig. 2, northbound interface is indicated with hexagon, service plug is indicated with diamond shape, indicated with circle Service Provider, as shown in Fig. 2, preserving the corresponding relationship of three in memory module.These corresponding relationships constitute Routing table.Further, other than routing table, user equipment and Service Provider can also be stored in memory module Corresponding relationship, that is, the user equipment being attached on Service Provider is corresponding with this Service Provider, Fig. 2 In, the corresponding relationship of user equipment Yu Service Provider is indicated with user's context.
Specifically, the mark of user equipment, example can be used in the corresponding relationship of user equipment and Service Provider Such as international mobile user identity (International Mobile Subscriber Identity, IMSI), international mobile use ISDN number (Mobile Subscriber International ISDN number, MSISDN), the private network IP, public network at family The mark pair with Service Provider such as IP, Tunnel End Point Identifier (tunnel endpoint identifier, TEID) The form answered indicates.
Further, memory module 103 also has other than it can store routing table and user's context and updates user The function of context, it may be assumed that receive the user equipment corresponding relationship change message that Service Provider is reported, and according to described Message is changed, the corresponding relationship between northbound interface, the service plug, Service Provider and user equipment is updated. Wherein, corresponding relationship change message can be with the message corresponding with some user equipment of Service Provider thus, can be with The deletion message of Service Provider and some user equipment thus.
Further, multiple routing tables be can store in memory module 103, to support the routing forwarding of the whole network.Such as Fig. 3 institute Show, each routing table is the corresponding relationship of northbound interface, service plug and Service Provider.Different routing tables can It stores in a distributed manner, it can also be with mirrored storage.
Specifically, forwarding module 104 is used to, by inquiring the corresponding relationship, determine the north orientation according to routing policy The corresponding service plug of interface, and the service request is forwarded to by the clothes that the service plug connects by the service plug Be engaged in supplier.Wherein, routing policy can be preset, for example, routing policy is that be preferentially forwarded to will be idle On Service Provider, alternatively, being preferentially forwarded on the specified Service Provider of Service Consumer.
Optionally, service routing relay node shown in Fig. 2 can also include registration module 105, be used for service registration Center Service Registry registers the corresponding relationship between the northbound interface and service name.Service Registry exists After the title for receiving the service of Service Consumer transmission, sent to Service Consumer corresponding with service name Northbound interface address.
It can be seen from the above description that service routing relay node shown in Fig. 2, by it is same type of can provide it is same The interface encapsulation of the Service Provider of service registers available service in service plug, and in service register center With the corresponding relationship of northbound interface.Upon receipt of a service request, it according to routing policy and pre-stored corresponding relationship, determines Service plug further determines that Service Provider, so that the forwarding of service request is completed, therefore, service routing relaying Node assumes responsibility for the policy selection of routing, and Service Consumer is without selecting mesh in multiple Service Provider Mark, thus it is possible to reduce the complexity of Service Consumer.
Below service routing relay node shown in Fig. 2 will be illustrated in terms of face phase equipment and face phase user two Function.
Fig. 4 show the detailed process of service routing relay node forwarding service request shown in Fig. 2.
S401: service routing relay node registers the corresponding pass between northbound interface and service to Service Registry System.
S402:Service Consumer sends service request to Service Registry, carries and asks in service request The title for the service asked.
S403:Service Registry inquire with the address of the corresponding northbound interface of title of service, and by north orientation Issue Service Consumer in the address of interface.
S404:Service Consumer sends service request to northbound interface, carries Service in service request The mark of Provider.
Optionally, the mark of multiple Service Provider can be carried in service request.
S405: service routing relay node determines the mark and north orientation of Service Provider by table of query and routing The corresponding service plug of interface.
S406: service routing relay node passes through the service plug determined and service request is forwarded to above-mentioned mark Service Provider.
Fig. 5 show another detailed process of service routing relay node forwarding service request shown in Fig. 2, with Fig. 4 Shown in the difference of process be, service request user oriented equipment rather than Service Provider.
S501: after user equipment is attached to some Service Provider, this Service Provider to service road By the corresponding informance of relay node report of user equipment and this Service Provider.
S502: service routing relay node update user context, i.e., increase S501 in Service Provider with The corresponding relationship of user equipment.
S503: service routing relay node registers the corresponding pass between northbound interface and service to Service Registry System.
S504:Service Consumer sends service request to Service Registry, carries and asks in service request The title for the service asked.
S505:Service Registry inquire with the address of the corresponding northbound interface of title of service, and by north orientation Issue Service Consumer in the address of interface.
S506:Service Consumer sends service request to northbound interface, carries user equipment in service request Mark.
The mark of user equipment can be IMSI, MSISDN, private network IP, public network IP, TEID etc..
S507: service routing relay node determines Service corresponding with the mark of user by inquiry user's context Provider。
S508: service routing relay node passes through table of query and routing, the Service determined in determining and S507 The corresponding service plug of Provider.
S509: service request is forwarded to S507 by the service plug determined in S508 by service routing relay node In the Service Provider that determines.
S510: after user equipment leaves the covering of Service Provider, Service Provider to service road Corresponding relationship is reported to delete information by relay node.
S511: the corresponding relationship of the deletion of service routing relay node Service Provider and user equipment.
Can be seen that service routing relay node described in the present embodiment from Fig. 4 and process shown in fig. 5 may be implemented The addressing of face phase Service Provider and user oriented equipment forwards, that is to say, that service routing relay node can be real The addressing forwarding of existing variable grain degree.
If function described in the embodiment of the present application method is realized in the form of SFU software functional unit and as independent production Product when selling or using, can store in a storage medium readable by a compute device.Based on this understanding, the application is real The part for applying a part that contributes to existing technology or the technical solution can be embodied in the form of software products, The software product is stored in a storage medium, including some instructions are used so that a calculating equipment (can be personal meter Calculation machine, server, mobile computing device or network equipment etc.) execute each embodiment the method for the application whole or portion Step by step.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), with Machine accesses various Jie that can store program code such as memory (RAM, Random Access Memory), magnetic or disk Matter.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other The difference of embodiment, same or similar part may refer to each other between each embodiment.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (11)

1. a kind of service routing relay node characterized by comprising
Northbound interface corresponding with service, for receiving the service request of service consumer transmission, same service correspondence is same A northbound interface;
Service plug, a service plug connect a kind of ISP of service;
Memory module, for storing the corresponding relationship between northbound interface, the service plug and equipment, the equipment is at least wrapped Include ISP;
Forwarding module, for determining the corresponding service of the northbound interface by inquiring the corresponding relationship according to routing policy Plug-in unit, and the service request is forwarded to by the ISP that the service plug connects by the service plug;
One service plug connects a kind of a kind of ISP of service, and one kind ISP includes following together A kind of ISP of agreement, or, it then follows the ISP of the same version of same agreement, alternatively, same The ISP of manufacturer.
2. service routing relay node according to claim 1, which is characterized in that the service request carries service and provides The mark of person;
The forwarding module is used to, by inquiring the corresponding relationship, determine that the northbound interface is corresponding according to routing policy Service plug, and wrapped the ISP that the service request is forwarded to the service plug connection by the service plug It includes:
The forwarding module is specifically used for, and by inquiry northbound interface, service plug and the corresponding relationship of ISP, determines The corresponding service plug of the mark of the northbound interface and the ISP, and by the service plug by the service Request is forwarded to the ISP with the mark.
3. service routing relay node according to claim 1, which is characterized in that the service request carries user equipment Mark;
The memory module is used for the corresponding relationship that stores between northbound interface, the service plug and equipment
The memory module is specifically used for storage northbound interface, the service plug, ISP and takes between user equipment Corresponding relationship;
The forwarding module determines the corresponding plug-in unit of the northbound interface by the inquiry corresponding relationship according to routing policy, And include: by the ISP that the service request is forwarded to the service plug connection by the service plug
The forwarding module is specifically used for, and by inquiring the corresponding relationship, determines the northbound interface and the user equipment The corresponding ISP of mark, and determine the corresponding service plug of the ISP, and by the service plug, The corresponding ISP of the mark for sending the user equipment for the service request.
4. service routing relay node according to claim 3, which is characterized in that the memory module is also used to:
The user equipment corresponding relationship change message that ISP reports is received, and according to the change message, updates north orientation Corresponding relationship between interface, the service plug, ISP and user equipment.
5. service routing relay node according to claim 2, which is characterized in that the memory module is stored with multiple groups north Corresponding relationship between interface, service plug and ISP.
6. service routing relay node according to any one of claims 1 to 5, which is characterized in that further include:
Registration module, for registering the corresponding relationship between the northbound interface and service name, the clothes to service register center Business registration center is used for the title of the service according to the Service Consumer request, and Xiang Suoshu service consumer is sent and the clothes The address of the corresponding northbound interface of title of being engaged in.
7. a kind of retransmission method characterized by comprising
Service routing relay node receives the service request that service consumer is sent by northbound interface, and same service is corresponding same One northbound interface;
The service routing relay node passes through pair between inquiry northbound interface, service plug and equipment according to routing policy It should be related to, determine the corresponding service plug of the northbound interface, the equipment includes at least ISP;
The service routing relay node sends the service plug for the service request by the service plug and connects ISP;
One service plug connects a kind of a kind of ISP of service, and one kind ISP includes following together A kind of ISP of agreement, or, it then follows the ISP of the same version of same agreement, alternatively, same The ISP of manufacturer.
8. the method according to the description of claim 7 is characterized in that the service request carries the mark of ISP;
The service routing relay node passes through the correspondence between inquiry northbound interface, service plug and equipment according to routing policy Relationship determines that the corresponding service plug of the northbound interface includes:
The service routing relay node passes through the corresponding relationship between inquiry northbound interface, service plug and ISP, Determine the corresponding service plug of the mark of the northbound interface and the ISP;
The service routing relay node sends the service plug for the service request by the service plug and connects ISP include:
The service request is forwarded to the clothes with the mark by the service plug by the service routing relay node Be engaged in supplier.
9. the method according to the description of claim 7 is characterized in that the service request carries the mark of user equipment;
The service routing relay node passes through the correspondence between inquiry northbound interface, service plug and equipment according to routing policy Relationship determines that the corresponding service plug of the northbound interface includes:
The service routing relay node passes through between inquiry northbound interface, service plug, ISP and user equipment Corresponding relationship determines the corresponding ISP of the mark of the northbound interface and the user equipment, and determines the service The corresponding service plug of supplier;
The service routing relay node sends the service plug for the service request by the service plug and connects ISP include:
The service routing relay node sends the service request to the mark of the user equipment by the service plug Know corresponding ISP.
10. according to the method described in claim 9, it is characterized by further comprising:
The service routing relay node receives the user equipment corresponding relationship change message that ISP reports, and according to institute Change message is stated, the corresponding relationship between northbound interface, the service plug, ISP and user equipment is updated.
11. according to the described in any item methods of claim 7 to 10, which is characterized in that further include:
Registration module in the service routing relay node registers the northbound interface and service name to service register center Between corresponding relationship, the service register center be used for according to the Service Consumer request service title, to the clothes Business consumer sends the address of northbound interface corresponding with the service name.
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