CN102104524B - Method and system for managing key value of general routing encapsulation tunnel - Google Patents
Method and system for managing key value of general routing encapsulation tunnel Download PDFInfo
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- CN102104524B CN102104524B CN200910263897.6A CN200910263897A CN102104524B CN 102104524 B CN102104524 B CN 102104524B CN 200910263897 A CN200910263897 A CN 200910263897A CN 102104524 B CN102104524 B CN 102104524B
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Abstract
The invention discloses a method and a system for managing a key value of a general routing encapsulation tunnel. The method for managing the key value of the general routing encapsulation tunnel comprises the following steps that: a packet data network gateway generates or acquires the key value of the general routing encapsulation tunnel between the packet data network gateway and a carrier grade network address translator from a home subscriber server; and when the home subscriber server generates the key value of the general routing encapsulation tunnel, during packet data network connection establishment, the home subscriber server distributes the key value of the general routing encapsulation tunnel for the packet data network gateway and informs the packet data network gateway of the key value of the general routing encapsulation tunnel. By the method, the property of managing the key value of the general routing encapsulation tunnel by the system can be enhanced, and the system capability can be enhanced.
Description
Technical field
The present invention relates to wireless communication field, particularly relate to a kind of management method and system of key value of general routing encapsulation tunnel.
Background technology
As shown in Figure 1, third generation partner program (3rd Generation Partnership Project, referred to as 3GPP) grouping system (the Evolved Packet System of evolution, referred to as EPS) by universal mobile telecommunications system land radio access web (the Evolved Universal TerrestrialRadio Access Network of evolution, referred to as E-UTRAN), mobile management unit (MobilityManagement Entity, referred to as MME), gateway (Serving Gateway, S-GW), grouped data network gateway (Packet Data Network Gateway, referred to as P-GW or PDNGW), home subscriber server (Home Subscriber Server, referred to as HSS), "Policy and Charging Rules Function (Policy and Charging Rules Function, referred to as PCRF) entity and other support nodes composition.Grouped data network gateway and carrying level NAT (Carrier GradeNetwork Address Translation, be called for short CGN) between transmit data by generic routing encapsulation tunnel (GenericRouting Encapsulation Tunnel, GRE Tunnel).Subscriber equipment can be connected to EPS by 3GPP connecting system.
As shown in Figure 2, subscriber equipment can also be connected to EPS by non-3 GPP access system.Non-3 GPP access network comprises trusted non-3 gpp IP Access Network and non-trusted non-3 gpp IP Access Network.
Along with the extensive use of the Internet, the transition of the Internet from IPv4 to IPv6 is study hotspot always.Since tradition, main IPv6 transitional technology has a hypothesis, namely main frame is not made an amendment as far as possible, adopt network scheme as far as possible, main cause is that the main frame of 1,600,000,000 Internet users now in 6,700,000,000 populations of the whole world is among use, these machines of how upgrading will be larger challenges, and most of user exists certain difficulty in the ability using computer to carry out system upgrade.In addition on the one hand, along with the development of mobile communication, the ability of cell phone is improved, usually for accessing the Internet, China has the cellphone subscriber more than 600,000,000 now, but but only less than 300,000,000 number of internet users, along with the arrival of mobile Internet, mobile phone possesses the ability of access the Internet naturally, must sharply rise by the number of users with visiting the Internet, and also very high to the replacement frequency of terminal to often using the cellphone subscriber of mobile Internet, facilitate the demand of network transition to IPv6 larger.
IPv6 transition method just begins one's study from IETF NGTRAN working group in 1994 the earliest, within 1996, set up 6Bone to test, within 1998, issue first group of IPv6 standard RFC, within 2003, NGTRAN working group closes, thought that the mainstream technology that may occur all completed at that time, the IETF RFC (Request For Comments) produced about IPv6 all not in enormous quantities afterwards, the CNGI experimental network of China was also reached first high point in 2003/2004 year, the main IPv6 transitional technology that CNGI network design adopted at that time is all the RFC that the main IPv6 produced at that time is correlated with, transitional technology at that time is mainly concentrated and is comprised: two stack, translation and three kinds, tunnel technology.Until 2007, along with two stack scaled-down version (Dual-Stack Lite, be called for short DS-Lite), carrying level Network address translators (Carrier GradeNetwork Address Translation, be called for short CGN), address adds port (Address+Port, A+P), NAT technology (Network Address Translation 6 to 4 of IPv6 to IPv4, the proposition of series of new transitional technology such as NAT64), IETF again reached an agreement in 2008 and will formulate new translation and tunneling technique.
For ensureing that EPS completes the demand of IPv6 transition, the gre tunneling how between managing packet data network gateway and carrying level NAT and relevant parameter are technical problems to be solved.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of management method and system of key value of general routing encapsulation tunnel, improves system to the management of performance of key value of general routing encapsulation tunnel, improves system capability.
In order to solve the problem, the invention provides a kind of management method of key value of general routing encapsulation tunnel, comprise: in establishment packet data network connection procedure, home subscriber server is that grouped data network gateway distributes key value of general routing encapsulation tunnel, and notice is to described grouped data network gateway.
Further, said method also has following characteristics:
When creating packet data network connection in 3G (Third Generation) Moblie cooperative programme procotol Access Network, home subscriber server is that grouped data network gateway distributes key value of general routing encapsulation tunnel and notifies specifically to comprise to the process of described grouped data network gateway: mobile management unit is after receiving the request of packet data network connection establishment, key value of general routing encapsulation tunnel solicited message is sent to described home subscriber server, described home subscriber server is that described grouped data network gateway distributes key value of general routing encapsulation tunnel, and notice is to described mobile management unit, described key value of general routing encapsulation tunnel notifies to described grouped data network gateway by setting up session request by described mobile management unit.
Further, said method also has following characteristics:
The process that home subscriber server reclaims described key value of general routing encapsulation tunnel specifically comprises: after being connected with the packet data network between described grouped data network gateway by described mobile management unit disconnection mobile terminal, described mobile management unit sends the notice request disconnecting packet data network and connect to described home subscriber server, described home subscriber server reclaims described key value of general routing encapsulation tunnel after receiving described notice request.
Further, said method also has following characteristics:
When using non-3G (Third Generation) Moblie cooperative programme procotol Access Network, home subscriber server is that grouped data network gateway distributes key value of general routing encapsulation tunnel and notifies specifically to comprise to the process of described grouped data network gateway: after described grouped data network gateway receives the agent binding update messages sent by non-3G (Third Generation) Moblie cooperative programme procotol Access Network, key value of general routing encapsulation tunnel solicited message is sent to described home subscriber server, described home subscriber server is that described grouped data network gateway distributes key value of general routing encapsulation tunnel, and notice is to described grouped data network gateway.
Further, said method also has following characteristics:
Described grouped data network gateway is when from the key value of general routing encapsulation tunnel that described home subscriber server obtains, up key assignments is different from descending key assignments, described grouped data network gateway sends upstream data to described carrying level NAT and notifies up key assignments, described carrying level NAT sends the descending key assignments request message carrying described up key assignments to described home subscriber server, the descending key assignments that described home subscriber server is answered to the described up key-value pair of described carrying level NAT transmission.
In order to solve the problem, present invention also offers a kind of management method of key value of general routing encapsulation tunnel, comprising: grouped data network gateway generates the key assignments of the generic routing encapsulation tunnel between described grouped data network gateway and carrying level NAT.
Further, said method also has following characteristics:
The detailed process that grouped data network gateway generates the key assignments of described generic routing encapsulation tunnel comprises: described grouped data network gateway is when user equipment requests sets up packet data network connection, according to the APN known judge this packet data network connect need via described carrying level NAT time, connect the key assignments of the generic routing encapsulation tunnel generated between described grouped data network gateway and carrying level NAT for described packet data network.
Further, said method also has following characteristics:
The mark of described grouped data network gateway is comprised in the key value of general routing encapsulation tunnel that described grouped data network gateway generates.
In order to solve the problem, the invention provides a kind of management system of key value of general routing encapsulation tunnel, comprise grouped data network gateway and home subscriber server, home subscriber server, for in establishment packet data network connection procedure, for grouped data network gateway distributes key value of general routing encapsulation tunnel, and notice is to described grouped data network gateway.
Further, said system also has following characteristics:
This system also comprises mobile management unit; Described mobile management unit, during for creating packet data network connection in 3G (Third Generation) Moblie cooperative programme procotol Access Network, after receiving the request of packet data network connection establishment, send key value of general routing encapsulation tunnel solicited message to described home subscriber server, and after receiving key value of general routing encapsulation tunnel, described key value of general routing encapsulation tunnel is notified to described grouped data network gateway by setting up session request; Also for receiving by after the agent binding update messages of non-3G (Third Generation) Moblie cooperative programme procotol Access Network transmission, send key value of general routing encapsulation tunnel solicited message to described home subscriber server; Described home subscriber server, also for after receiving key value of general routing encapsulation tunnel solicited message that described mobile management unit sends, be that described grouped data network gateway distributes key value of general routing encapsulation tunnel, and notice is to described mobile management unit.
Further, said system also has following characteristics:
Described mobile management unit, after being also connected disconnecting for the packet data network between mobile terminal with described grouped data network gateway, sends the notice request disconnecting packet data network and connect to described home subscriber server; Described home subscriber server, after the notice request that the disconnection packet data network also sent for receiving described mobile management unit connects, reclaims described key value of general routing encapsulation tunnel.
Further, said system also has following characteristics:
Described grouped data network gateway, time also different from descending key assignments for key assignments up in the key value of general routing encapsulation tunnel obtained from described home subscriber server, send upstream data to described carrying level NAT and notifies up key assignments; Described carrying level NAT, after receiving upstream data that described grouped data network gateway sends, sends the descending key assignments request message carrying described up key assignments to described home subscriber server; Described home subscriber server, also for sending to described carrying level NAT the descending key assignments that described up key-value pair answers after receiving descending key assignments request message that described carrying level NAT sends.
In order to solve the problem, the invention provides a kind of management system of key value of general routing encapsulation tunnel, comprise grouped data network gateway, described grouped data network gateway, for generating the key assignments of the generic routing encapsulation tunnel between described grouped data network gateway and carrying level NAT.
Further, said system also has following characteristics:
Described grouped data network gateway, time also for setting up packet data network connection in user equipment requests, according to the APN known judge this packet data network connect need via described carrying level NAT time, connect the key assignments of the generic routing encapsulation tunnel generated between described grouped data network gateway and carrying level NAT for described packet data network; The mark of described grouped data network gateway is comprised in the key value of general routing encapsulation tunnel that described grouped data network gateway generates.
The present invention can improve the management of performance of system to key value of general routing encapsulation tunnel, improves system capability.
Accompanying drawing explanation
Fig. 1 is the grouping system structure chart of the evolution accessed by 3GPP Access Network in prior art;
Fig. 2 is the grouping system structure chart of the evolution accessed by non-3 GPP access network in prior art;
Fig. 3 is the schematic diagram of the management method of key value of general routing encapsulation tunnel in embodiment;
Fig. 4 is when in embodiment, mobile terminal is by 3GPP IP Access Network access EPS, the schematic diagram of the management method of key value of general routing encapsulation tunnel;
Fig. 5 is that when in embodiment, mobile terminal is by 3GPP IP Access Network access EPS, HSS reclaims the schematic diagram of the method for key value of general routing encapsulation tunnel;
Fig. 6 is when in embodiment, mobile terminal is by non-3 gpp IP Access Network access EPS, the schematic diagram of the management method of key value of general routing encapsulation tunnel;
Fig. 7 be the up key assignments of key value of general routing encapsulation tunnel that in embodiment, HSS distributes different with descending key assignments time carry the method schematic diagram that level NAT knows up-downgoing key assignments.
Embodiment
In the present embodiment, the management system of notice key value of general routing encapsulation tunnel, comprises grouped data network gateway, home subscriber server, mobile management unit and carrying level NAT.
Home subscriber server, in establishment packet data network connection procedure, for grouped data network gateway distributes key value of general routing encapsulation tunnel, and notice is to grouped data network gateway; Concrete, after the key value of general routing encapsulation tunnel solicited message receiving mobile management unit transmission, be that grouped data network gateway distributes key value of general routing encapsulation tunnel, and notice is to mobile management unit.
Home subscriber server, after the notice request that the disconnection packet data network also sent for receiving mobile management unit connects, reclaims key value of general routing encapsulation tunnel; Also for sending to carrying level NAT the descending key assignments that up key-value pair answers after receiving descending key assignments request message that carrying level NAT sends.
Mobile management unit, during for creating packet data network connection in 3G (Third Generation) Moblie cooperative programme procotol Access Network, after receiving the request of packet data network connection establishment, send key value of general routing encapsulation tunnel solicited message to home subscriber server, and after receiving key value of general routing encapsulation tunnel, key value of general routing encapsulation tunnel is notified to grouped data network gateway by setting up session request; Also for receiving by after the agent binding update messages of non-3G (Third Generation) Moblie cooperative programme procotol Access Network transmission, send key value of general routing encapsulation tunnel solicited message to home subscriber server; After being also connected disconnection for the packet data network between mobile terminal with grouped data network gateway, send the notice request disconnecting packet data network and connect to home subscriber server.
Grouped data network gateway, time also different from descending key assignments for key assignments up in the key value of general routing encapsulation tunnel obtained from home subscriber server, send upstream data to carrying level NAT and notifies up key assignments.
Carrying level NAT, after receiving upstream data that grouped data network gateway sends, sends the descending key assignments request message carrying up key assignments to home subscriber server.
In the another kind of implementation of management system, the key assignments of generic routing encapsulation tunnel can be generated by grouped data network gateway.
Grouped data network gateway in the management system of key value of general routing encapsulation tunnel, for generating the key assignments of the generic routing encapsulation tunnel between grouped data network gateway and carrying level NAT, concrete, when user equipment requests sets up packet data network connection, judge that this packet data network connects according to the APN known and via when carrying level NAT, the key assignments of the generic routing encapsulation tunnel generated between grouped data network gateway and carrying level NAT need be connected for packet data network.
The mark of grouped data network gateway is comprised in the key value of general routing encapsulation tunnel that this grouped data network gateway generates.
In embodiment, as shown in Figure 3, the management method of key value of general routing encapsulation tunnel comprises: grouped data network gateway generates or knows the key assignments of the generic routing encapsulation tunnel between grouped data network gateway and carrying level NAT from home subscriber server.When generating the key assignments of generic routing encapsulation tunnel by home subscriber server, in establishment packet data network connection procedure, home subscriber server is that grouped data network gateway distributes key value of general routing encapsulation tunnel, and notice is to grouped data network gateway.
When mobile terminal is by 3GPP IP Access Network access EPS, grouped data network gateway knows that from home subscriber server the method for the key assignments of the generic routing encapsulation tunnel between grouped data network gateway with carrying level NAT comprises: in 3G (Third Generation) Moblie cooperative programme procotol Access Network, create packet data network when being connected, mobile management unit is after receiving the request of packet data network connection establishment, key value of general routing encapsulation tunnel solicited message is sent to home subscriber server, home subscriber server is that grouped data network gateway distributes key value of general routing encapsulation tunnel, and notice is to mobile management unit, key value of general routing encapsulation tunnel notifies to grouped data network gateway by setting up session request by mobile management unit.As shown in Figure 4, specifically comprise the following steps:
Step 401, subscriber equipment sends the request of PDN connection establishment to mobile management unit;
Step 402, mobile management unit sends key value of general routing encapsulation tunnel request message to attribution server;
Mobile management unit is according to APN (Access Point Name, APN) PDN that attribute sends this current request to HSS connects the request message distributing GRE key assignments, namely APN represents that PDN connection need through the gre tunneling of PGW and CGN, and the PDN that mobile management unit sends this current request to HSS connects the request message distributing GRE key assignments.
Step 403, attribution server receives request rear distribution key value of general routing encapsulation tunnel and is included in key value of general routing encapsulation tunnel response message and sends to mobile management unit;
User attaching server is according to APN (Access Point Name, APN) determined property distributes the key assignments of generic routing encapsulation tunnel between carrying level NAT the need of the grouped data network gateway of asking to user, if needed, then for grouped data network gateway distributes the key assignments of router packaging tunnel.Namely APN represents that PDN connection need through the gre tunneling of PGW and CGN, the key assignments of user attaching server-assignment generic routing encapsulation tunnel.
Step 404, mobile management unit sends to gateway and sets up session request, carries key value of general routing encapsulation tunnel;
Step 405, gateway sends to grouped data network gateway and sets up session request, carries key value of general routing encapsulation tunnel;
Step 406, grouped data network gateway sends to gateway and sets up conversational response message;
Step 407, gateway sends to grouped data network gateway and sets up conversational response message;
Step 408, mobile management unit sends carrying foundation request to the Node B (eNodeB) of evolution, and notice PDN accepts message;
Step 409, eNodeB sends RRC to subscriber equipment and connects reconfiguration message;
Step 410, subscriber equipment sends message instruction RRC connection to eNodeB and has reshuffled;
Step 411, eNodeB sends carrying to mobile management unit and sets up response message;
Step 412, subscriber equipment sends direct message transfer to eNodeB;
Step 413, eNodeB sends PDN to mobile management unit and has connected message.
When mobile terminal is by 3GPP IP Access Network access EPS, HSS reclaims the method for key value of general routing encapsulation tunnel, comprise: after being connected with the packet data network between described grouped data network gateway by mobile management unit disconnection mobile terminal, described mobile management unit sends the notice request disconnecting packet data network and connect to described home subscriber server, described home subscriber server reclaims described key value of general routing encapsulation tunnel after receiving described notice request.As shown in Figure 5, specifically comprise:
Step 501, subscriber equipment sends PDN to mobile management unit and connects disconnection request message;
Step 502, mobile management unit sends to gateway and deletes session request;
Step 503, gateway sends to grouped data network gateway and deletes session request;
Step 504, grouped data network gateway sends to gateway and deletes conversational response message;
Step 505, gateway sends to mobile management unit and deletes conversational response message;
Step 506, mobile management unit sends deexcitation carrying request to eNodeB;
Step 507, eNodeB sends RRC to subscriber equipment and connects reconfiguration message;
Step 508, subscriber equipment sends RRC connection to eNodeB and has reshuffled message;
Step 509, eNodeB sends deexcitation carrying response to mobile management unit;
Step 510, mobile management unit sends the notice request of disconnection packet data network connection to home subscriber server, carries the gre tunneling key assignments of asking disconnection PDN to connect correspondence and transfer to HSS to reclaim in this message;
Step 511, home subscriber server sends push-notification-answer to mobile management unit.
When mobile terminal is by non-3 gpp IP Access Network access EPS, grouped data network gateway knows that from home subscriber server the method for the key assignments of the generic routing encapsulation tunnel between grouped data network gateway and carrying level NAT comprises: after grouped data network gateway receives the agent binding update messages sent by non-3G (Third Generation) Moblie cooperative programme procotol Access Network, key value of general routing encapsulation tunnel solicited message is sent to described home subscriber server, described home subscriber server is that described grouped data network gateway distributes key value of general routing encapsulation tunnel, and notice is to described grouped data network gateway.As shown in Figure 6, specifically comprise:
Step 601, subscriber equipment is linked into non-3 gpp IP Access Network;
Step 602, user is to checking/mandate/charging (Authentication, Authorizationand, Accounting; , being called for short AAA) and server server carries out the certification of Extensible Authentication Protocol (ExtensibleAuthentication Protocol, be called for short EAP);
Step 603, the non-3 gpp IP Access Network of trust sends agent binding update as Mobile Access Gateway to the PGW as local mobile anchor;
Step 604, PGW upgrades grouped data network gateway address information to described home subscriber server, and sends key value of general routing encapsulation tunnel solicited message to HSS, and home subscriber server is that grouped data network gateway distributes key value of general routing encapsulation tunnel;
Herein HSS distribute gre tunneling key assignments be a numerical value, up-downgoing key assignments can be regarded as identical, therefore CGN receive first from the uplink message of PGW after, up-downgoing gre tunneling key assignments can be obtained.
Step 605, PGN GW sends agent binding update to the non-3 gpp IP Access Network of trusting and confirms.
In said method, the gre tunneling key assignments that HSS distributes is divided into up key assignments and descending key assignments, up direction refers to that grouped data network gateway arrives carrying level NAT direction, otherwise is then down direction, and up key assignments and descending key assignments can be the same or different.When up key assignments is not identical with descending key assignments, grouped data network gateway sends upstream data to carrying level NAT, upstream data contains up key assignments by GRE wrapper, carrying level NAT sends the descending key assignments request message carrying described up key assignments to home subscriber server, home subscriber server sends to carrying level NAT the descending key assignments that this up key-value pair answers.As shown in Figure 7, specifically comprise:
Step 701, PDN GW sends first up GRE packet to CGN after obtaining up-downgoing gre tunneling key assignments;
Step 702, CGN extracts the up GRE key assignments wherein comprised after receiving this packet, be carried in GRE key assignments request message and send to HSS (being indirectly transmitted to HSS by AAA during non-3 GPP access) to ask the up GRE key-value pair descending key assignments of answering therewith;
Step 703, the descending GRE key assignments of correspondence covers in response message and sends to CGN by HSS.
The method that grouped data network gateway generates the key assignments of the generic routing encapsulation tunnel between described grouped data network gateway with carrying level NAT comprises: user equipment requests set up packet data network be connected time, judge that this packet data network connects according to the APN known and via when carrying level NAT, the key assignments of the generic routing encapsulation tunnel generated between grouped data network gateway and carrying level NAT need be connected for packet data network.
The mark of grouped data network gateway is comprised in the key value of general routing encapsulation tunnel that grouped data network gateway generates.For ensureing that the gre tunneling key assignments that PGW generates does not repeat when multiple PGW corresponding CGN.Can define gre tunneling key assignments and take 32 bits, wherein, mark 32 GRE key assignments of PGW must comprise the identification information (the whole network unique identification) of PDN GW, can take front 8 bits, 24 bits after the sequence number that PDN GW generates can take.
Certainly; the present invention also has other multiple implementation method; when not deviating from the present invention's spirit and essence thereof; those skilled in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the present invention.
Claims (12)
1. a management method for key value of general routing encapsulation tunnel, is characterized in that,
In establishment packet data network connection procedure, home subscriber server is the key value of general routing encapsulation tunnel that grouped data network gateway distributes between described grouped data network gateway and carrying level NAT, and notice is to described grouped data network gateway.
2. the method for claim 1, is characterized in that,
When creating packet data network connection in 3G (Third Generation) Moblie cooperative programme procotol Access Network, home subscriber server is that grouped data network gateway distributes key value of general routing encapsulation tunnel and notifies specifically to comprise to the process of described grouped data network gateway:
Mobile management unit is after receiving the request of packet data network connection establishment, key value of general routing encapsulation tunnel solicited message is sent to described home subscriber server, described home subscriber server is that described grouped data network gateway distributes key value of general routing encapsulation tunnel, and notice is to described mobile management unit, described key value of general routing encapsulation tunnel notifies to described grouped data network gateway by setting up session request by described mobile management unit.
3. method as claimed in claim 2, is characterized in that,
The process that home subscriber server reclaims described key value of general routing encapsulation tunnel specifically comprises:
After being connected with the packet data network between described grouped data network gateway by described mobile management unit disconnection mobile terminal, described mobile management unit sends the notice request disconnecting packet data network and connect to described home subscriber server, described home subscriber server reclaims described key value of general routing encapsulation tunnel after receiving described notice request.
4. the method for claim 1, is characterized in that,
When using non-3G (Third Generation) Moblie cooperative programme procotol Access Network, home subscriber server is that grouped data network gateway distributes key value of general routing encapsulation tunnel and notifies specifically to comprise to the process of described grouped data network gateway:
After described grouped data network gateway receives the agent binding update messages sent by non-3G (Third Generation) Moblie cooperative programme procotol Access Network, key value of general routing encapsulation tunnel solicited message is sent to described home subscriber server, described home subscriber server is that described grouped data network gateway distributes key value of general routing encapsulation tunnel, and notice is to described grouped data network gateway.
5. the method for claim 1, is characterized in that,
Described grouped data network gateway is when from the key value of general routing encapsulation tunnel that described home subscriber server obtains, up key assignments is different from descending key assignments, described grouped data network gateway sends upstream data to described carrying level NAT and notifies up key assignments, described carrying level NAT sends the descending key assignments request message carrying described up key assignments to described home subscriber server, the descending key assignments that described home subscriber server is answered to the described up key-value pair of described carrying level NAT transmission.
6. a management method for key value of general routing encapsulation tunnel, is characterized in that,
Grouped data network gateway generates the key assignments of the generic routing encapsulation tunnel between described grouped data network gateway and carrying level NAT;
The detailed process that grouped data network gateway generates the key assignments of described generic routing encapsulation tunnel comprises:
Described grouped data network gateway is when user equipment requests sets up packet data network connection, according to the APN known judge this packet data network connect need via described carrying level NAT time, connect the key assignments of the generic routing encapsulation tunnel generated between described grouped data network gateway and carrying level NAT for described packet data network.
7. method as claimed in claim 6, is characterized in that,
The mark of described grouped data network gateway is comprised in the key value of general routing encapsulation tunnel that described grouped data network gateway generates.
8. a management system for key value of general routing encapsulation tunnel, comprises grouped data network gateway and home subscriber server, it is characterized in that,
Home subscriber server, for in establishment packet data network connection procedure, for grouped data network gateway distributes the key value of general routing encapsulation tunnel between described grouped data network gateway and carrying level NAT, and notice is to described grouped data network gateway.
9. management system as claimed in claim 8, is characterized in that, also comprise mobile management unit;
Described mobile management unit, during for creating packet data network connection in 3G (Third Generation) Moblie cooperative programme procotol Access Network, after receiving the request of packet data network connection establishment, send key value of general routing encapsulation tunnel solicited message to described home subscriber server, and after receiving key value of general routing encapsulation tunnel, described key value of general routing encapsulation tunnel is notified to described grouped data network gateway by setting up session request; Also for receiving by after the agent binding update messages of non-3G (Third Generation) Moblie cooperative programme procotol Access Network transmission, send key value of general routing encapsulation tunnel solicited message to described home subscriber server;
Described home subscriber server, also for after receiving key value of general routing encapsulation tunnel solicited message that described mobile management unit sends, be that described grouped data network gateway distributes key value of general routing encapsulation tunnel, and notice is to described mobile management unit.
10. management system as claimed in claim 9, is characterized in that,
Described mobile management unit, after being also connected disconnecting for the packet data network between mobile terminal with described grouped data network gateway, sends the notice request disconnecting packet data network and connect to described home subscriber server;
Described home subscriber server, after the notice request that the disconnection packet data network also sent for receiving described mobile management unit connects, reclaims described key value of general routing encapsulation tunnel.
11. management systems as claimed in claim 8, is characterized in that,
Described grouped data network gateway, time also different from descending key assignments for key assignments up in the key value of general routing encapsulation tunnel obtained from described home subscriber server, send upstream data to described carrying level NAT and notifies up key assignments;
Described carrying level NAT, after receiving upstream data that described grouped data network gateway sends, sends the descending key assignments request message carrying described up key assignments to described home subscriber server;
Described home subscriber server, also for sending to described carrying level NAT the descending key assignments that described up key-value pair answers after receiving descending key assignments request message that described carrying level NAT sends.
The management system of 12. 1 kinds of key value of general routing encapsulation tunnels, comprises grouped data network gateway, it is characterized in that,
Described grouped data network gateway, for generating the key assignments of the generic routing encapsulation tunnel between described grouped data network gateway and carrying level NAT;
Described grouped data network gateway, time also for setting up packet data network connection in user equipment requests, according to the APN known judge this packet data network connect need via described carrying level NAT time, connect the key assignments of the generic routing encapsulation tunnel generated between described grouped data network gateway and carrying level NAT for described packet data network; The mark of described grouped data network gateway is comprised in the key value of general routing encapsulation tunnel that described grouped data network gateway generates.
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| US10644901B2 (en) * | 2018-09-27 | 2020-05-05 | Juniper Networks, Inc. | Generating flexible, programmable, and scalable network tunnels on demand |
| CN112040441A (en) * | 2020-08-04 | 2020-12-04 | 深圳成谷智能科技有限公司 | Method and device for realizing communication between vehicle-mounted unit and network facility |
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| CN100379219C (en) * | 2003-07-23 | 2008-04-02 | 中国科学院计算技术研究所 | Method for realizing IP network terminal communication by NAT-PT and customer/servo mode |
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| CN101133598A (en) * | 2005-03-04 | 2008-02-27 | 三星电子株式会社 | Method and apparatus for tightly coupled interworking between cellular network and wlan network |
| CN101159971A (en) * | 2007-04-30 | 2008-04-09 | 华为技术有限公司 | Paging method, wireless network controller and access gateway |
| EP2262214A1 (en) * | 2008-04-21 | 2010-12-15 | NEC Corporation | Ims system, as device and mgw device, and method of notifying regulation on congestion in ims system |
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