CN101729383A - Method for controlling established service stream mapping during switching cross-access gateways and target access gateway - Google Patents
Method for controlling established service stream mapping during switching cross-access gateways and target access gateway Download PDFInfo
- Publication number
- CN101729383A CN101729383A CN200810216923A CN200810216923A CN101729383A CN 101729383 A CN101729383 A CN 101729383A CN 200810216923 A CN200810216923 A CN 200810216923A CN 200810216923 A CN200810216923 A CN 200810216923A CN 101729383 A CN101729383 A CN 101729383A
- Authority
- CN
- China
- Prior art keywords
- terminal
- target access
- access gateway
- address
- request
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention provides a method for controlling established service stream mapping during switching cross-access gateways, which is applied in a process of switching the cross-access gateways by a terminal, wherein a target wireless network node sends a connection establishing request to a target access gateway. The method comprises that: after the terminal and the target access gateway perform link layer information negotiation, the target access gateway judges whether switching indication information is carried in the connection establishing request, and requests an authentication, authorization and accounting server for acquiring a mobile agent node IP address; the target access gateway judges whether the switching indication information is carried in the connection establishing request again, and requests a mobile agent node for acquiring a terminal IP address; and the target access gateway judges whether the terminal IP address carried by stream mapping information establishing request message is consistent with the terminal IP address returned by the mobile agent node so as to control the established service stream mapping. The scheme of the invention can eliminate the potential safety hazard in a wireless communication system, and meanwhile prevents increasing the system processing burden.
Description
Technical field
The invention belongs to communication field, relate in particular to a kind of control method and target access gateway of when spanning into the gateway switching, setting up the Business Stream map information.
Background technology
For high-speed real-time multi-media packet data business is provided, cordless communication network need provide QoS service end to end.As a kind of multiple access modulation technique based on the wide-band spread spectrum technology, code division multiple access (CDMA, Code Division Multiple Address) 2000 not only provides high-quality voice service, packet data transmission service at a high speed also is provided simultaneously, HRPD (high rate packet data) (HRPD, High Rate Packet Data) is introduced the service quality guarantee based on stream on many service connection basis.
Whole world inserting of microwave interoperability (WiMAX, Worldwide Interoperability forMicrowave Access) be wireless access wide band technology, can provide towards the high speed of the Internet to connect, have service quality guarantee, transmission rate height, professional characteristics such as rich and varied.
In order to make mobile IP user use the business that satisfies certain service quality effectively, the Business Stream map information need in time be distributed to a plurality of network entities in the cordless communication network, as IAD, the mapping that user's grouped data is flowed by this information, being carried on the corresponding airlink of cordless communication network, thereby the service quality that realizes customer service is handled and is guaranteed.
The foundation of Business Stream map information is cooperated jointly by terminal, wireless network node, IAD, finishes the transmission and the processing capacity of cordless communication network stream map information.
When terminal has taken place to span in network by moving of gateway, with source access gateway similarly, target access gateway need obtain the user service flow map information, handles so that the grouped data after will switching flows mapping, and the guarantee of goal systems service quality is provided.Fig. 1 spans into the architectural framework reference model that gateway switches for realizing the user.Wherein, for packet data service is provided, wireless network node 11 be responsible for and IAD 12 between the interactive media message.Source access gateway 12 and target access gateway 13 can belong to same class connecting system, as belong to cdma network together; Also can adhere to the inhomogeneity connecting system separately, as WiMAX and cdma network.Authentication authorized charging server 14 provides the function of IP entitlement, mandate and charging.Mobile agent node 15 provides the mobile management solution for the user, the especially operation of the mobility between the different access technologies.
Fig. 2 switches to example from the WiMAX system to cdma system with terminal, has shown the flow process of setting up of Business Stream map information when spanning into gateway in the existing wireless communications network switches, and this moment, terminal was obtained the IP address in the WiMAX network.Wherein, WiMAX base station (BS, Base Station) is described source radio network node, WiMAX IAD (AGW, Access Gateway) is described source access gateway, signaling forwarding capability (SFF, SignalForwarding Function)/access network element (AN, Access Network Element)/Packet Control Function (PCF, Packet Control Function) be described target radio network node, packet data serving node (PDSN, Packet Data Serving Node) is described target access gateway, home agent (HA, Home Agent) is described mobile agent node.Concrete steps are as follows:
Step 201, terminal are carried out data flow in the WiMAX system mutual;
Step 202, terminal get access to the information of HRPD Access Network, and determine to set up the HRPD session in advance, enter handoff preparation phase;
Step 203 is carried out tunnel and session and is set up between terminal and the HRPD wireless network node;
Step 204, HRPD wireless network node connect to the PDSN request to be set up, and carries indication message;
Step 205, PDSN responds connection establishment response;
Step 206 is carried out the mutual and negotiation of link layer information between terminal and the PDSN;
Step 207 is carried out the mutual and negotiation of network layer information between terminal and the PDSN;
Step 208, PDSN sends to terminal and acts on behalf of broadcast;
Step 209, terminal sends the stream map information to PDSN and sets up request, is convenient to PDSN user data is flowed mapping, this message carried terminal IP address;
Step 210, PDSN replys terminal stream map information and sets up response, be included in the stream mapping set up in the request message with IP address of terminal;
Step 211, the terminal decision switches to the HRPD system;
Carry out routing update and be connected foundation between the step 212, terminal and HRPD wireless network node;
Step 213, HRPD wireless network node notice PDSN buffer memory downlink data;
Step 214, mobile IP tunnel is set up in the HRPD system, obtains IP address of terminal, discharges the WiMAX related resource simultaneously;
Step 215, terminal are carried out data flow in the HRPD system mutual;
Under the situation shown in Figure 2, when terminal when PDSN sends the stream map information and sets up request (step 209), what PDSN did not also carry out the IP address obtains operation (step 214), it is legal to think that when replying terminal stream map information foundation response (step 210) IP address of terminal that carries in the request message is set up in the stream mapping, can't guarantee the correctness of IP address of terminal like this, have the wireless communication system potential safety hazard, illegal IP address also can cause the wasting of resources and increase the weight of the system handles burden simultaneously.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides the control method and the target access gateway of the stream map information foundation that spans into the gateway flow process in a kind of cordless communication network, effectively elevator system security performance and system handles maintenance efficiency.
A kind of spanning into when gateway switches of the present invention set up the control method of Business Stream mapping, is applied to terminal in the process that spans into the gateway switching, and target radio network node sends to target access gateway and connects the request of foundation, and described method comprises:
After described terminal and target access gateway carry out the link layer information negotiation, target access gateway judges described connection sets up in the request whether carry indication message, if then target access gateway obtains the mobile agent node IP address to the authentication authorized charging server request;
Target access gateway judges once more described connection sets up in the request whether carry indication message, if then target access gateway obtains IP address of terminal to described mobile agent node request;
After terminal and target access gateway carry out the network layer information negotiation, terminal sends the stream map information to target access gateway and sets up request message, target access gateway judge the stream map information set up request message with IP address of terminal consistent with the IP address of terminal that the mobile agent node returns, then target access gateway response terminal stream map information is set up successfully, otherwise, set up failure information to the mapping of terminal stream of reply.
Above-mentioned method, wherein, the process that described terminal spans into the gateway switching comprises:
Terminal is obtained the information of target access network, and sets up tunnel and session with target radio network node.
Above-mentioned method, wherein, target access gateway judges described connection sets up in the request whether carry indication message, if described connection is set up in the request and is not carried indication message, then mobile IP user terminal and target access gateway carry out the network layer information negotiation, and simple IP user terminal and authentication authorized charging server are carried out Authentication Authorization and handled.
Above-mentioned method, wherein, target access gateway obtains IP address of terminal to described mobile agent node request and comprises:
Target access gateway sends to this mobile agent node and obtains the IP address of terminal request, carries request IP address designation in the described request; Or
Described target access gateway carries out multiple registration to the mobile agent node.
Above-mentioned method, wherein, after obtaining the mobile agent node IP address, target access gateway is judged in the described connection request message and is not carried indication message, carries out network layer information between mobile IP user terminal and the target access gateway and consults.
The present invention also provides a kind of target access gateway, is applied to span into when gateway switches set up in the control method of Business Stream mapping, and described target access gateway comprises:
First judge module, be used for carrying out when described terminal and target access gateway after link layer information consults, judge described connection sets up in the request whether carry indication message, if then target access gateway obtains the mobile agent node IP address to the request of mirror trifoliate orange mandate accounting server;
Second judge module is used for after target access gateway obtains the mobile agent node IP address, judges described connection sets up in the request whether carry indication message, if then target access gateway obtains IP address of terminal to this mobile agent node request,
Comparison module, the foundation that is used for that terminal is sent is flowed the IP address of terminal of mapping request message and is judged, if the stream map information set up request message with IP address of terminal consistent with the IP address of terminal that the mobile agent node returns, then the target access gateway response terminal flows map information and sets up successfully; Otherwise, set up failure information to the mapping of terminal stream of reply.
Compare with prior art, take scheme of the present invention can guarantee the correctness of IP address of terminal, get rid of the potential safety hazard that wireless communication system exists, prevent the wasting of resources that illegal IP address causes simultaneously and increase the weight of the system handles burden.
Description of drawings
Fig. 1 spans into the architectural framework reference model that gateway switches for realizing the user;
The existing terminal of Fig. 2 is from the switching flow figure of WiMAX system to cdma system;
Fig. 3 is that optimal way of the present invention realizes that terminal is from the switching flow figure of WiMAX system to cdma system;
Fig. 4 is a target access gateway structure chart of the present invention.
Embodiment
In order to describe the invention process characteristics and method better, be described in further detail below in conjunction with the enforcement of accompanying drawing to technical scheme.
Fig. 3 realizes terminal from the switching flow figure of WiMAX system to cdma system by optimal way of the present invention, and wherein terminal has been obtained the IP address in the WiMAX network.Concrete steps are as follows:
Step 301, terminal are carried out data flow in the WiMAX system mutual;
Step 302, terminal get access to the information of HRPD Access Network, and determine to set up the HRPD session in advance, enter handoff preparation phase;
Step 303 is carried out tunnel and session and is set up between terminal and the HRPD wireless network node;
Step 304, HRPD wireless network node connect to the PDSN request to be set up, and carries indication message;
Step 305, PDSN responds connection establishment response;
Step 306 is carried out the mutual and negotiation of link layer information between terminal and the PDSN;
Step 307, PDSN judges whether to have obtained indication message in step 304 connection request message, switches indication if carried in the connection request, and then PDSN sends mobile agent node IP address request message to AAA, so that finally obtain IP address of terminal; Otherwise mobile IP user will go to step 311 and consult network layer information, and simple IP user and AAA carry out Authentication Authorization and handle;
Step 308, AAA returns to PDSN with the mobile agent node IP address;
Step 309, after obtaining the mobile agent node IP address, PDSN judges whether to have obtained indication message in step 304 connection request message, switches indication if carried in the connection request, and then PDSN obtains IP address of terminal to this mobile agent node request; Otherwise will go to step 311, PDSN and terminal are consulted network layer information; Further, when PDSN obtains IP address of terminal to the request of mobile agent node, can carry request IP address designation, inform that the mobile agent node need return terminal address; Perhaps also can carry out multiple registration to the mobile agent node, the mobile agent node will be bound WiMAX AGW and PDSN simultaneously;
Because the user can obtain the message identical with step 308 from AAA when initial the access, therefore, PDSN needs whether to have obtained indication message in the determining step 304 connection request message in this step, so that distinguish the request of obtaining that whether needs to send to the mobile agent node IP address of terminal.
Step 310, mobile agent node are returned IP address of terminal and are given PDSN; So far, PDSN has obtained terminal address trusty from network;
Step 311 is carried out the mutual and negotiation of network layer information between terminal and the PDSN;
Step 312, PDSN sends to terminal and acts on behalf of broadcast;
Step 313, terminal sends the stream map information to PDSN and sets up request, is convenient to PDSN user data is flowed mapping, this message carried terminal IP address;
Step 314, PDSN judges IP address of terminal, and is consistent if the stream map information is set up the IP address that the IP address of terminal that carries in the request message and step 310 obtain from network, then the PDSN response terminal flows map information and sets up successfully; Otherwise PDSN sets up failure information to the mapping of terminal stream of reply;
Step 315, the terminal decision switches to the HRPD system;
Carry out routing update and be connected foundation between the step 316, terminal and HRPD wireless network node;
Step 317, HRPD wireless network node notice PDSN buffer memory downlink data;
Step 318, mobile IP tunnel is set up in the HRPD system, obtains IP address of terminal, discharges the WiMAX related resource simultaneously;
Step 319, terminal are carried out data flow in the HRPD system mutual;
From above-mentioned flow process as seen, in handoff preparation phase, target access network has obtained IP address of terminal (as step 301) before obtaining about the stream map information from network, when terminal when PDSN request stream map information is set up, target access gateway can be verified (as step 314) to terminal address information, thereby provides safety guarantee for wireless communication system.
The present invention also provides a kind of target access gateway, is applied to span into when gateway switches set up in the control method of Business Stream mapping, and as shown in Figure 4, described target access gateway comprises:
First judge module, be used for carrying out when described terminal and target access gateway after link layer information consults, judge described connection sets up in the request whether carry indication message, if then target access gateway obtains the mobile agent node IP address to the authentication authorized charging server request;
Second judge module is used for after target access gateway obtains the mobile agent node IP address, judges described connection sets up in the request whether carry indication message, if then target access gateway obtains IP address of terminal to this mobile agent node request,
Comparison module, the foundation that is used for that terminal is sent is flowed the IP address of terminal of mapping request message and is judged, if the stream map information set up request message with IP address of terminal consistent with the IP address of terminal that the mobile agent node returns, then the target access gateway response terminal flows map information and sets up successfully; Otherwise, set up failure information to the mapping of terminal stream of reply.
This target access gateway is PDSN in the handoff procedure of cdma system specific to the WiMAX system.
The present invention existed system is changed and situation that influence is minimum under realized that a kind of spanning into set up the control method of Business Stream mapping when gateway switches in cordless communication network, can promote the wireless communication system security performance, reduce resource occupation and alleviate the demand of handling burden.
The control technology of setting up the Business Stream mapping in the foregoing description is except that wireless communication system, can also be applied to adopt other system of the same procedure of mentioning with background technology, when being applied to other system, the message of employing may be not necessarily identical, but the logical relation in its flow process is identical.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. one kind spans into the control method of setting up the Business Stream mapping when gateway switches, is applied to terminal in spanning into the process that gateway switches, and target radio network node sends to target access gateway and connects the request of foundation, it is characterized in that described method comprises:
After described terminal and target access gateway carry out the link layer information negotiation, target access gateway judges described connection sets up in the request whether carry indication message, if then target access gateway obtains the mobile agent node IP address to the authentication authorized charging server request;
Target access gateway judges once more described connection sets up in the request whether carry indication message, if then target access gateway obtains IP address of terminal to described mobile agent node request;
After terminal and target access gateway carry out the network layer information negotiation, terminal sends the stream map information to target access gateway and sets up request message, target access gateway judge the stream map information set up request message with IP address of terminal consistent with the IP address of terminal that the mobile agent node returns, then target access gateway response terminal stream map information is set up successfully, otherwise, set up failure information to the mapping of terminal stream of reply.
2. method according to claim 1 is characterized in that, the process that described terminal spans into the gateway switching comprises:
Terminal is obtained the information of target access network, and sets up tunnel and session with target radio network node.
3. method according to claim 1, it is characterized in that, target access gateway judges described connection sets up in the request whether carry indication message, if described connection is set up in the request and is not carried indication message, then mobile IP user terminal and target access gateway carry out the network layer information negotiation, and simple IP user terminal and authentication authorized charging server are carried out Authentication Authorization and handled.
4. method according to claim 1 is characterized in that, target access gateway obtains IP address of terminal to described mobile agent node request and comprises:
Target access gateway sends to this mobile agent node and obtains the IP address of terminal request, carries request IP address designation in the described request; Or
Described target access gateway carries out multiple registration to the mobile agent node.
5. method according to claim 1, it is characterized in that, after obtaining the mobile agent node IP address, target access gateway is judged in the described connection request message and is not carried indication message, carries out network layer information between mobile IP user terminal and the target access gateway and consults.
6. a target access gateway is applied to span into when gateway switches and sets up in the control method of Business Stream mapping, it is characterized in that described target access gateway comprises:
First judge module, be used for carrying out when described terminal and target access gateway after link layer information consults, judge described connection sets up in the request whether carry indication message, if then target access gateway obtains the mobile agent node IP address to the authentication authorized charging server request;
Second judge module is used for after target access gateway obtains the mobile agent node IP address, judges described connection sets up in the request whether carry indication message, if then target access gateway obtains IP address of terminal to this mobile agent node request,
Comparison module, the foundation that is used for that terminal is sent is flowed the IP address of terminal of mapping request message and is judged, if the stream map information set up request message with IP address of terminal consistent with the IP address of terminal that the mobile agent node returns, then the target access gateway response terminal flows map information and sets up successfully; Otherwise, set up failure information to the mapping of terminal stream of reply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810216923A CN101729383B (en) | 2008-10-22 | 2008-10-22 | Method for controlling established service stream mapping during switching cross-access gateways and target access gateway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810216923A CN101729383B (en) | 2008-10-22 | 2008-10-22 | Method for controlling established service stream mapping during switching cross-access gateways and target access gateway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101729383A true CN101729383A (en) | 2010-06-09 |
| CN101729383B CN101729383B (en) | 2012-09-05 |
Family
ID=42449634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810216923A Expired - Fee Related CN101729383B (en) | 2008-10-22 | 2008-10-22 | Method for controlling established service stream mapping during switching cross-access gateways and target access gateway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101729383B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108829570A (en) * | 2018-06-28 | 2018-11-16 | 郑州云海信息技术有限公司 | Server node information display control method, device, system and storage medium |
| CN114143368A (en) * | 2021-12-21 | 2022-03-04 | 苏州万店掌网络科技有限公司 | Communication method and device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100473059C (en) * | 2005-06-24 | 2009-03-25 | 中兴通讯股份有限公司 | Method for switching media stream code/decode format |
| CN1889565B (en) * | 2005-08-16 | 2010-05-05 | 华为技术有限公司 | Session establishing method |
| CN101128013A (en) * | 2006-08-14 | 2008-02-20 | 华为技术有限公司 | A switching method for access gateway in mobile communication system |
-
2008
- 2008-10-22 CN CN200810216923A patent/CN101729383B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108829570A (en) * | 2018-06-28 | 2018-11-16 | 郑州云海信息技术有限公司 | Server node information display control method, device, system and storage medium |
| CN108829570B (en) * | 2018-06-28 | 2020-11-20 | 苏州浪潮智能科技有限公司 | Server node information display control method, device, system and storage medium |
| CN114143368A (en) * | 2021-12-21 | 2022-03-04 | 苏州万店掌网络科技有限公司 | Communication method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101729383B (en) | 2012-09-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11102828B2 (en) | User plane function selection for isolated network slice | |
| US11412418B2 (en) | Third party charging in a wireless network | |
| US20220070767A1 (en) | Network slice for visited network | |
| CN100488284C (en) | Roaming user data route optimizing method in 3GPP evolution network | |
| CN100450291C (en) | Method of establishing interface link | |
| RU2727184C1 (en) | Pdu session establishment procedure and amf node | |
| CN100583905C (en) | Mobile terminal IP address distributing method | |
| CN101047950B (en) | Method for allocating default load in 3GPP evolution network | |
| US20060182061A1 (en) | Interworking between wireless WAN and other networks | |
| CN102917356B (en) | Subscriber equipment is accessed the method, apparatus and system of the packet core network of evolution | |
| US20130058259A1 (en) | Method, Apparatus and System for Accessing Service by Mobile Station | |
| JP2010213357A (en) | Method of interfacing two wireless networks | |
| CN1998260A (en) | Method and system for providing backward compatibility between protocol for carrying authentication for network access (PANA) and point-to-point protocol (PPP) in a packet data network | |
| CN104904263A (en) | Apparatus and method for controlling overload in WLAN systems | |
| Nossenson | Long-term evolution network architecture | |
| CN101707773B (en) | Method and system for fusing WLAN access gateway, mobile network and wireless broadband network | |
| CN101291525A (en) | Default bearing establishing method for wireless network, and system thereof | |
| US8893231B2 (en) | Multi-access authentication in communication system | |
| CN115735371A (en) | Network slice specific authentication and authorization | |
| CN101835155A (en) | Method and system for accessing terminal to fusion network | |
| CN101442507B (en) | Method and system of fusion of WiMAX network and 3GPP network | |
| CN101404610A (en) | Method and system for implementing service flow modification | |
| US20070140181A1 (en) | System and method for integrated cellular access routing | |
| CN102378358B (en) | A kind ofly realize multi-link framework and method | |
| CN101729383B (en) | Method for controlling established service stream mapping during switching cross-access gateways and target access gateway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20171022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |