CN101043264B - Method, mobile network and relay node for establishing mobile network tunnel - Google Patents
Method, mobile network and relay node for establishing mobile network tunnel Download PDFInfo
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- CN101043264B CN101043264B CN200710090272A CN200710090272A CN101043264B CN 101043264 B CN101043264 B CN 101043264B CN 200710090272 A CN200710090272 A CN 200710090272A CN 200710090272 A CN200710090272 A CN 200710090272A CN 101043264 B CN101043264 B CN 101043264B
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Abstract
The invention provides a method of building mobile network tube, mobile network and relay node. Said method of building mobile network tube includes: cut-in gateway which accesses network sends mobile network register request to relay mode in network, said mobile network register request takes delivering address of access network provided by the cut-in gateway; said relay node transmits mobile network register request to home mobile network substitute, said mobile network register request takes delivering address of access network provided by the relay node; based on said mobile network register request, the home mobile network substitute returns the response of mobile network register request to said relay node and home mobile network substitute, mobile network tube which is meted between the gateways. The technique scheme provided in the invention can be used in multiple applications such as MIPv6, PMIP.
Description
Technical field
The present invention relates to the mobile communication technology field, particularly a kind of method, mobile network and via node of setting up the mobile network tunnel.
Background technology
For the conventional fixed data communication network, in the communication protocol of the communication of network layer, IP (network) agreement is widely used.Sign main frame and routing addressing all are based on the IP address in the IP agreement, and there is direct position attribution the IP address, because in the conventional fixed data communication network, the network of a direct connection has the identical network address, change along with access network, the IP address of main frame just needs and new network of network matching addresses, and can not re-use original IP address.Such mechanism makes traditional IP agreement can't support the mobile network.Along with the continuous development of network, more and more significant to the demand of mobile data message net, so mobile network (MIP, Mobile IP) agreement has just been arisen at the historic moment.Its basic principle is: mobile node (MN, Mobile Node) home network is the network that the user opens an account, for mobile node distribute an IP address as the home network address (HoA, HomeAddress), positions of mobile nodes still can have this home network address after changing.Mobile node obtains an IP address as Care-of Address (CoA, Care of Address) at current visited network (visitnetwork).Mobile node uses HoA to communicate by letter with extraneous by the home agent (HA, Home Agent) in home network all the time.When mobile node leaves home network, inform the Care-of Address that home agent is present, home agent can all mail to the message of mobile node at the local network interception, are forwarded to Care-of Address, just the visited network of mobile node.The message source address that mobile node sent remains the home network address, has so just realized the most basic two-way IP communication under the situation of movement.
Existing layered mobile IPv 6 management agreement (HMIPv6, Hierarchical Mobile IPv6 MobilityManagement) provide a kind of MIP the method for building up in tunnel, specifically comprises:
Steps A: after mobile node is linked into local network, obtain on-link care-of address (LCoA, On-linkCare-of Address) earlier;
Step B: obtain the prefix of Care-of Address in the territory (RCoA, Regional Care-of Address) by IAD, use stateless self-configuring pattern to generate the RCoA address;
Step C: as the CoA address, the RCoA address is carried out the MIP registration as the HoA address to local anchor point (MAP, Mobility Anchor Point) to mobile node with the LCoA address;
Step D: as the CoA address, register to HA with RCoA.
After above-mentioned the succeeding in registration, the downlink message that destination address mails to mobile node HoA address is sent to home network earlier and is intercepted and captured by HA, HA sends to the RCoA address with tunnel style, this message is intercepted and captured by the MAP of visited network again, with RCoA as index, be routed to LCoA, finally be forwarded to mobile node by LCoA.
The process of setting up in MIP tunnel is to find out from above-mentioned prior art: setting up the MIP tunnel needs each mobile node to have a unique RCoA address, for mobile IPv 4 management agreement (MIPv4, MobileIPv6 Mobility Management), the IP address resource is very in short supply, so the MIP tunnel approach of setting up that prior art provides is difficult to be applied to the MIPv4 network; And the proxy-mobile IP (PMIP that initiates registration for network side, Porxy Mobile IP), owing to generate in the process of RCoA address by stateless self-configuring mode in the prior art, need be by the particularity of portable terminal perception RCoA address, and portable terminal can't perception to this among the PMIP, thus prior art provide set up the MIP tunnel approach also difficulty be applied on the PMIP.Therefore, in carrying out the invention process, the inventor finds that there are the following problems at least in the prior art: the MIP tunnel approach of setting up that prior art provides is difficult to be applicable to multiple MIP scene, as MIPv4, PMIP etc.
Summary of the invention
Method, mobile network and the via node of the technical problem that the embodiment of the invention will solve for a kind of mobile network of foundation tunnel is provided can be applicable to multiple MIP scene.
For solving the problems of the technologies described above, the purpose of the embodiment of the invention is achieved through the following technical solutions:
The embodiment of the invention provides a kind of mobile network of foundation the method in tunnel, comprising:
The IAD of visited network sends the via node of mobile network register request to visited network, and described mobile network register request is carried the Care-of Address that the IAD of visited network provides;
The via node of visited network is transmitted mobile network register request and is given the local mobile network agency, and described mobile network register request is carried the Care-of Address that the via node of visited network provides;
According to the mobile network register request that the via node of described visited network is transmitted, local mobile network agency returns the mobile network register request response to visited network;
According to the response of described mobile network register request or mobile network register request, the via node of setting up visited network is respectively acted on behalf of with the local mobile network, the mobile network tunnel between the IAD of the via node of visited network and visited network.
The embodiment of the invention also provides a kind of mobile network, comprising:
The IAD of visited network is used to send mobile network register request;
The via node of visited network is used to transmit the mobile network register request that receives from the IAD of visited network, and described mobile network register request is carried the Care-of Address that the via node of visited network provides;
Local mobile network agency is used for the mobile network register request of basis from the via node reception of visited network, returns the mobile network register request response to visited network,
According to the response of described mobile network register request or mobile network register request, the via node of setting up visited network is respectively acted on behalf of with the local mobile network, the mobile network tunnel between the IAD of the via node of visited network and visited network.
The embodiment of the invention also provides a kind of via node, comprising:
Receiving element is used to receive the response of mobile network register request and mobile network register request;
The Care-of Address unit, the mobile network register request and the mobile network register request that are used for receiving according to receiving element respond, and generate the Care-of Address of corresponding mobile node;
The mobile network sets up the unit in the tunnel, the Care-of Address of the mobile node that mobile network register request response that is used for receiving according to receiving element and Care-of Address unit generate, the mobile network tunnel between foundation and visited network, the home network respectively;
Transmitting element is used to transmit mobile network register request and the mobile network register request response that described receiving element receives.
The method of setting up the mobile network tunnel, mobile network and the via node that provide by the embodiment of the invention, can transmit mobile network register request and mobile network register request response by via node, and set up multistage mobile network tunnel, do not need for each mobile node generates Care-of Address in the territory, therefore the described mobile network's of foundation tunnel approach is applicable to plurality of application scenes such as MIPv4, MIPv6, PMIP.
Description of drawings
Fig. 1 sets up the signaling process figure of method first preferred embodiment in mobile network tunnel for the present invention;
Fig. 2 sets up the signaling process figure of method second preferred embodiment in mobile network tunnel for the present invention;
Fig. 3 sets up the signaling process figure of method the 3rd preferred embodiment in mobile network tunnel for the present invention;
Fig. 4 is the structure chart of a preferred embodiment of mobile network of the present invention;
Fig. 5 is the structure chart of a preferred embodiment of via node of the present invention.
Embodiment
The embodiment of the invention provides a kind of mobile network's of foundation tunnel approach, mobile network and via node.For making technical scheme of the present invention clearer, below with reference to accompanying drawing and enumerate embodiment, the present invention is described in more detail.
Please refer to Fig. 1, set up the signaling process figure of mobile network's tunnel approach first preferred embodiment for the present invention.The application scenarios of present embodiment is MIPv4, and detailed process comprises:
Step 101: mobile node sends the MIP register requirement to the IAD of visited network;
The application scenarios of present embodiment is MIPv4, adopts mobile IP agent (FA, Foreign Agent) as the agency of trademark registration network element in the IAD of visited network.
Step 102: the IAD of visited network provides a CoA according to described MIP register requirement, and transmits the MIP register requirement to the via node of visited network, carries the Care-of Address that the IAD of visited network provides;
In the present embodiment, adopt relaying mobile agent (RAM, Relay Mobile Agent) as via node, therefore FA is according to described MIP register requirement, provide a FA-CoA as CoA, and transmit the MIP register requirement that receives from mobile node, and carry the FA-CoA that FA provides to relaying mobile agent (RAM, Relay Mobile Agent).
Step 103: after the via node of described visited network is received mobile network register request, provide a CoA, the CoA that the IAD of the visited network in the mobile network register request is provided is revised as the CoA that the via node of visited network provides;
In the present embodiment, after RAM receives described MIP register requirement, the FA-CoA that carries in the record MIP request, and a RAM-CoA is provided, the CoA in the MIP register requirement is revised as RMA-CoA from FA-CoA;
Step 104: the via node of described visited network encapsulates mobile network register request again according to amended CoA, and the mobile network register request after will encapsulating again is transmitted to HA;
In the present embodiment, RAM will encapsulate the MIP register requirement again according to amended CoA, hand to HA.
In encapsulation MIP login request message process, the source address of encapsulation IP head is the IP address of RAM, and destination address is the IP address of HA.
Step 105: according to described mobile network register request, described HA is established to the mobile network tunnel of the via node of visited network;
In the present embodiment, HA sets up the MIP tunnel of HA to RAM after receiving the MIP register requirement that RAM delivers.
HA resolves the MIP register requirement after receiving the MIP register requirement that RAM delivers, and obtains the source address in the MIP register requirement, and promptly the MIP tunnel of HA to RAM then according to the source address in the MIP register requirement, set up in the IP address of RAM.
Step 106: described HA returns the response of MIP register requirement to the via node of visited network;
In the present embodiment, HA returns the response of MIP register requirement to RAM.
Step 107: the MIP register requirement response that the via node of described visited network returns according to HA, the mobile network tunnel of the via node of setting up visited network respectively to the via node of HA, visited network to the IAD of visited network;
In the present embodiment, after RAM receives the MIP registration response that HA returns, set up respectively RAM to the MIP tunnel of HA and RAM to the MIP tunnel of FA.
Step 108: after the via node of described visited network was received mobile network register request response, the Care-of Address that the via node of the visited network that the mobile network register request response is carried provides was revised as the Care-of Address that the IAD of visited network provides;
In the present embodiment, the FA-CoA that carries the MIP register requirement of RAM with CoA record before RAM-CoA is revised as RAM.
Step 109: the via node of described visited network encapsulates the mobile network register request response again according to amended Care-of Address, and the response of the mobile network register request after will encapsulating again is transmitted to the IAD of visited network;
In the present embodiment, RAM will encapsulate the response of MIP register requirement again according to amended CoA, hand to FA.
In encapsulation MIP register requirement response process, the source address of encapsulation IP head is the IP address of RAM, and destination address is the IP address of FA.
Step 110: the mobile network register request response that the IAD of described visited network is transmitted according to the via node of visited network, set up the mobile network tunnel of the IAD of visited network to the via node of visited network;
Step 111: the IAD of described visited network returns the response of MIP register requirement to mobile node.
In the present embodiment, FA sets up the MIP tunnel of FA to RAM after receiving the MIP register requirement response that RAM delivers.
What the invention described above embodiment provided sets up in the MIP tunnel approach, and the IP address of RAM and HA can adopt dual mode to obtain:
First kind of mode: the IP address of before initiating the MIP register requirement, having obtained RAM and HA, can be by authenticating, authorize charging (AAA, Authentication, Authorization and Accounting) assign, also can obtain by DNS inquiry or additive method;
Therefore, the IAD of described visited network transmission mobile network register request to the concrete mode of the via node of visited network is: the IAD of described visited network directly sends the via node of mobile network register request to the visited network of obtaining the address;
The via node of described visited network is transmitted mobile network register request and is for local mobile network agency's concrete mode: the via node of described visited network is directly transmitted mobile network register request and is given the local mobile network who has obtained address agency.
The second way: before initiating the MIP register requirement, obtained the IP address of RAM, when RAM delivers the MIP register requirement, known the IP address of HA by aaa authentication process or other strategies then.
Set up the MIP tunnel approach by what the embodiment of the invention provided, RAM as via node with himself address as the relaying Care-of Address, transmit the MIP registration message, make and set up multistage cascade MIP tunnel between FA and the HA, therefore do not need each mobile node to have unique RCoA, so the MIP tunnel approach of setting up that the embodiment of the invention provides is applicable to MIPv4.
Please refer to Fig. 2, for the present invention sets up the signaling process figure of mobile network's tunnel approach second preferred embodiment, the application scenarios of present embodiment is PMIP, and detailed process comprises:
Step 201: the access device of mobile node and visited network is finished access procedure;
In the present embodiment, access device is as the agency of trademark registration network element (PMA, Proxy MobileAgent) of mobile node.
Step 202: the IAD of visited network provides a CoA according to described MIP register requirement, and transmits the MIP register requirement to the via node of visited network, carries the Care-of Address that the IAD of visited network provides;
The application scenarios of this enforcement is PMIP, adopts mobile IP agent (FA, Foreign Agent) as the agency of trademark registration network element in the IAD of visited network, adopts RAM as via node.Therefore, provide a PMA-CoA address as CoA, and transmit the PMIP register requirement, carry the PMA-CoA address that PMA provides to RMA by PMA.
Step 203: after the via node of described visited network is received mobile network register request, provide a CoA, the CoA that the IAD of the visited network in the mobile network register request is provided is revised as the CoA that the via node of visited network provides;
In the present embodiment, after RAM receives described PMIP register requirement, the PMA-CoA that carries in the record PMIP request, and distribute a RAM-CoA, the CoA in the PMIP register requirement is revised as RMA-CoA from PMA-CoA.
Step 204: the via node of described visited network encapsulates mobile network register request again according to amended CoA, and the mobile network register request after will encapsulating again is transmitted to tame HA;
In the present embodiment, RAM will encapsulate the PMIP register requirement again according to amended CoA, hand to HA.
In encapsulation PMIP login request message process, the source address of encapsulation IP head is the RAM its own IP address, and destination address is the IP address of HA.
Step 205: according to described mobile network register request, described HA is established to the mobile network tunnel of the via node of visited network;
In the present embodiment, HA sets up the MIP tunnel of HA to RAM after receiving the PMIP register requirement that RAM delivers.
HA resolves the PMIP register requirement after receiving the PMIP register requirement that RAM delivers, and obtains the source address in the PMIP register requirement, and promptly the MIP tunnel of HA to RAM then according to the source address in the PMIP register requirement, set up in the IP address of RAM.
Step 206: described HA returns the response of MIP register requirement to the via node of visited network;
In the present embodiment, HA returns PMIP registration response to RAM;
Step 207: the MIP register requirement response that the via node of described visited network returns according to HA, the mobile network tunnel of the via node of setting up visited network respectively to the via node of HA, visited network to the IAD of visited network;
In the present embodiment, after RAM receives the PMIP registration response that HA returns, set up respectively RAM to the MIP tunnel of HA and RAM to the MIP tunnel of PMA.
Step 208: after the via node of described visited network was received mobile network register request response, the Care-of Address that the via node of the visited network that the mobile network register request response is carried provides was revised as the Care-of Address that the IAD of visited network provides;
In the present embodiment, the PMA-CoA that carries the PMIP register requirement of RAM with CoA record before RAM-CoA is revised as RAM.
Step 209: the via node of described visited network encapsulates the mobile network register request response again according to amended Care-of Address, and the response of the mobile network register request after will encapsulating again is transmitted to the IAD of visited network;
In the present embodiment, RAM will encapsulate the response of PMIP register requirement again according to amended CoA, hand to PMA.
In encapsulation PMIP register requirement response process, the source address of encapsulation IP head is the IP address of RAM, and destination address is the IP address of PMA.
Step 210: the mobile network register request response that the IAD of described visited network is transmitted according to the via node of visited network, set up the mobile network tunnel of the IAD of visited network to the via node of visited network;
In the present embodiment, PMA sets up the MIP tunnel of PMA to RAM after receiving the PMIP register requirement response that RAM delivers.
What the invention described above embodiment provided sets up in the MIP tunnel approach, roughly the same in the IP address acquisition mode of RAM and HA and aforementioned first preferred embodiment, repeats no more here.
Set up the MIP tunnel approach by what the embodiment of the invention provided, RAM as via node with himself address as the relaying Care-of Address, transmit the MIP registration message, make and set up multistage cascade MIP tunnel between PMA and the HA, therefore do not need mobile node to generate RCoA, so the MIP tunnel approach of setting up that the embodiment of the invention provides is applicable to PMIP.
Please refer to Fig. 3, for the present invention sets up the signaling process figure of mobile network's tunnel approach the 3rd preferred embodiment, the application scenarios of present embodiment is diameter mobile network management agreement (Diameter MIP), and detailed process comprises:
Step 301: the IAD of visited network sends the AAA-MIP register requirement to the AAA of visited network, carries out MIP authentication and tunnel foundation, and carries the CoA that the IAD of visited network provides;
Can adopt FA or PMA as the agency of trademark registration network element in the IAD of visited network, when FA or PMA send the AAA-MIP register requirement to AAA, provide a FA/PMA-CoA as CoA.
Step 302: after the AAA of visited network receives described AAA-MIP register requirement, according to policy assignments RMA;
Step 303: the AAA of visited network sends the RAM-MIP register requirement to the RAM that assigns;
Step 304: after described RAM confirms to can be used as the RAM of mobile node, the CoA that the IAD of the visited network that carries in the record RAM-MIP register requirement provides, and distribute a RAM-CoA,
Step 305:RAM returns the RAM-MIP register requirement and responds AAA to visited network, carries the CoA that the visited network IAD provides;
Step 306: the AAA of visited network provides the CoA in the AAA-MIP register requirement from the visited network IAD CoA is revised as the CoA that RAM provides;
Step 307: the AAA-MIP register requirement that the AAA of visited network will encapsulate again according to amended CoA, hand to the AAA of home network;
In encapsulation AAA-MIP login request message process, the source address of encapsulation IP head is the IP address of RAM, the IP address of the AAA of the home network that destination address is.
Step 308: after the AAA of home network receives described AAA-MIP register requirement, according to policy assignments HA;
Step 309: the AAA of home network sends the HA-MIP register requirement to the HA that assigns;
Step 310: described HA sets up the MIP tunnel of HA to RAM after confirming to can be used as the HA of mobile node;
After HA receives that the AAA of home network sends the HA-MIP register requirement, the HA-MIP register requirement is resolved, obtain the source address of HA-MIP register requirement, be i.e. the IP address of RAM, according to the source address in the HA-MIP register requirement, set up the MIP tunnel of HA then to RAM.
Step 311:HA returns the response of HA-MIP register requirement to the AAA of home network;
Step 312: the AAA of home network returns the response of AAA-MIP register requirement to the AAA of visited network;
Step 313: the AAA of visited network transmits the response of AAA-MIP register requirement respectively to the IAD and the RAM of visited network;
The FA/PMA-CoA of the record AAA of visited network is revised as CoA from RAM-CoA before, and encapsulate AAA-MIP register requirement response again, be transmitted to the IAD of visited network, in encapsulation AAA-MIP register requirement response process, the source address of encapsulation IP head is the IP address of the AAA of visited network, and destination address is the IP address of the RAM of the IP address of IAD of visited network and visited network.
After step 314:RAM receives AAA-MIP register requirement response, set up respectively RAM to the MIP tunnel of HA and RAM to the MIP tunnel of the IAD of visited network; The IAD of visited network is set up the MIP tunnel of the IAD of visited network to RAM after receiving the response of AAA-MIP register requirement.
What the invention described above embodiment provided sets up in the MIP tunnel approach, and assign by the strategy according to the AAA of the AAA of visited network and home network in MIP register requirement process the IP address of RAM and HA.
Set up the MIP tunnel approach by what the embodiment of the invention provided, strategy by the AAA of the AAA of visited network and home network is assigned RAM and HA respectively, transmit the MIP registration message by the RAM that assigns, between the IAD of visited network and HA, set up multistage cascade MIP tunnel, so the MIP tunnel approach of setting up that the embodiment of the invention provides is applicable to Diameter MIP.
Please refer to Fig. 4, be the structure chart of a preferred embodiment of mobile network of the present invention.Described mobile network comprises that the IAD 41 of visited network, the via node 42 and the local mobile network of visited network act on behalf of 43.The IAD 41 of described visited network is used to send mobile network register request; The via node 42 of described visited network is used to transmit the mobile network register request that receives from the IAD of visited network, and described mobile network register request is carried the Care-of Address that the via node of visited network provides; Described local mobile network acts on behalf of 43 and is used for the mobile network register request of basis from via node 42 receptions of visited network, returns the mobile network register request response to visited network.According to the response of described mobile network register request or mobile network register request, set up respectively that the via node 42 of visited network and local mobile network act on behalf of 43, the mobile network tunnel between the IAD 41 of the via node 42 of visited network and visited network.
Please refer to Fig. 5, be the structure chart of a preferred embodiment of via node of the present invention.Described via node comprises that receiving element 51, Care-of Address unit 52, mobile network tunnel set up unit 53 and transmitting element 54.Described receiving element 51 is used to receive mobile network register request and mobile network register request response; Mobile network register request and mobile network register request that described Care-of Address unit 52 is used for receiving according to receiving element 51 respond, and generate the Care-of Address of corresponding mobile node; Described mobile network sets up in the tunnel Care-of Address of the mobile node that mobile network register request response that unit 53 is used for receiving according to receiving element 51 and Care-of Address unit 52 generate, the mobile network tunnel between foundation and visited network, the home network respectively; Described transmitting element 54 is used to transmit mobile network register request and the mobile network register request response that described receiving element 51 receives.
The mobile network and the via node that provide by the embodiment of the invention, via node with himself address as the relaying Care-of Address, transmit the MIP registration message, make and set up multistage cascade MIP tunnel between FA and the HA, therefore do not need each mobile node to have unique RCoA, so mobile network that the embodiment of the invention provides and via node are applicable to plurality of application scenes such as MIPv4, MIPv6, PMIP.
The method of setting up the mobile network tunnel, mobile network and via node that the embodiment of the invention provides are not only applicable to set up two-stage cascade MIP tunnel, are applicable to set up other multi-stage cascades MIP tunnel yet.
In sum, the method of setting up the mobile network tunnel, mobile network and the via node that provide by the embodiment of the invention, can transmit mobile network register request and mobile network register request response by via node, and set up multistage mobile network tunnel, do not need therefore to be applicable to plurality of application scenes such as MIPv4, MIPv6, PMIP for each mobile node generates Care-of Address in the territory.
More than to a kind of method, mobile network and via node of setting up the mobile network tunnel provided by the present invention capable detailed introduction, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used to help to understand disclosed technical scheme; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (18)
1. a method of setting up the mobile network tunnel is characterized in that, described method comprises:
The IAD of visited network sends the via node of mobile network register request to visited network, and described mobile network register request is carried the Care-of Address that the IAD of visited network provides;
The via node of visited network is transmitted mobile network register request and is given the local mobile network agency, and described mobile network register request is carried the Care-of Address that the via node of visited network provides;
According to the mobile network register request that described via node is transmitted, local mobile network agency returns the mobile network register request response to visited network;
According to the response of described mobile network register request or mobile network register request, the via node of setting up visited network is respectively acted on behalf of with the local mobile network, the mobile network tunnel between the IAD of the via node of visited network and visited network.
2. the method for setting up the mobile network tunnel according to claim 1 is characterized in that, the concrete mode of Care-of Address that the mobile network register request that the via node of described visited network is transmitted is carried the via node of visited network to be provided is:
After the via node of described visited network is received mobile network register request, provide a Care-of Address, the Care-of Address that the IAD of the visited network in the mobile network register request is provided is revised as the Care-of Address that the via node of visited network provides;
The via node of described visited network encapsulates mobile network register request again according to amended Care-of Address.
3. the method for setting up the mobile network tunnel according to claim 2, it is characterized in that, the described concrete mode that encapsulates mobile network register request again is: the source address of encapsulation mobile network register request message header is the address of the via node of visited network, and destination address is local mobile network agency's address.
4. the method for setting up the mobile network tunnel according to claim 2 is characterized in that, according to described mobile network register request, local mobile network agency returns the mobile network register request response to visited network and specifically comprises:
According to described mobile network register request, local mobile network agency returns mobile network register request and responds via node to visited network;
The via node forwarding mobile network register request of visited network responds the IAD to visited network, and the Care-of Address that IAD provides is carried in described mobile network register request response.
5. the method for setting up the mobile network tunnel according to claim 4 is characterized in that, the concrete mode of Care-of Address that the IAD of visited network is carried in the mobile network register request response that the via node of described visited network is transmitted to be provided is:
After the via node of described visited network was received mobile network register request response, the Care-of Address that the via node of the visited network that the mobile network register request response is carried provides was revised as the Care-of Address that the IAD of visited network provides;
The via node of described visited network encapsulates the mobile network register request response again according to amended Care-of Address.
6. the method for setting up the mobile network tunnel according to claim 5, it is characterized in that, the described concrete mode that encapsulates the mobile network register request response again is: the source address of encapsulation mobile network register request response message head is the address of the via node of visited network, and destination address is the address of the IAD of visited network.
7. the method for setting up the mobile network tunnel according to claim 1 is characterized in that, the IAD of described visited network sends mobile network register request and to the concrete mode of the via node of visited network is:
The IAD of described visited network is to authentication, the mandate of visited network and the transmission mobile network register request of chargeing;
The authentication of described visited network, mandate and charging are according to the via node of policy assignments visited network;
The authentication of described visited network, mandate and charging are transmitted to mobile network register request the via node of the visited network of appointment.
8. the method for setting up the mobile network tunnel according to claim 7 is characterized in that, the via node forwarding mobile network register request of described visited network is acted on behalf of concrete mode to the local mobile network and is:
The via node of described visited network is transmitted mobile network register request by authentication, mandate and the charging of visited network to authentication, mandate and the charging of home network;
The authentication of described home network, mandate and charging are acted on behalf of according to policy assignments local mobile network;
The authentication of described home network, mandate and charging are transmitted to mobile network register request the local mobile network agency of appointment.
9. the method for setting up the mobile network tunnel according to claim 8, it is characterized in that the via node of described visited network specifically comprises to authentication, the mandate of home network and the forwarding mobile network register request of chargeing by authentication, mandate and the charging of visited network:
According to authentication, the mandate of visited network and the mobile network register request of chargeing and transmitting, the via node of described visited network returns the mobile network register request response to authentication, mandate and the charging of visited network, the Care-of Address that the IAD that visited network is carried in described mobile network register request response provides;
The Care-of Address that the via node of visited network provides is carried in the authentication of described visited network, mandate and charge and send authentication, mandate and the charging of mobile network register request to home network, described mobile network register request.
10. the method for setting up the mobile network tunnel according to claim 9 is characterized in that, the concrete mode of Care-of Address that the mobile network register request that the authentication of described visited network, mandate and chargeing transmitted is carried the via node of visited network to be provided is:
After the mobile network register request response that the via node of visited network returns was received in the authentication of described visited network, mandate and charging, the Care-of Address that the IAD of the visited network in the mobile network register request response is provided was revised as the Care-of Address that the via node of visited network provides;
The via node of described visited network encapsulates mobile network register request again according to amended Care-of Address.
11. the method for setting up the mobile network tunnel according to claim 10, it is characterized in that, the described concrete mode that encapsulates mobile network register request again is: the source address of encapsulation mobile network register request message header is the address of the via node of visited network, and destination address is the address of authentication, mandate and the charging of home network.
12. the method for setting up the mobile network tunnel according to claim 7 is characterized in that, according to described mobile network register request, local mobile network agency returns the mobile network register request response to visited network and specifically comprises:
According to described mobile network register request, local mobile network agency returns mobile network register request and responds to the via node of visited network and the IAD of visited network.
13. the method for setting up the mobile network tunnel according to claim 12, it is characterized in that, according to described mobile network register request, local mobile network agency returns mobile network register request and responds to the via node of visited network and the IAD of visited network and comprise:
According to described mobile network register request, described local mobile network agency returns mobile network register request and responds authentication, mandate and charging to home network;
The authentication of described home network, mandate and the forwarding mobile network register request of chargeing respond authentication, mandate and the charging to visited network;
The IAD of visited network and the via node of visited network are given in the authentication of described visited network, mandate and the forwarding mobile network register request response of chargeing respectively, and the Care-of Address that IAD provides is carried in described mobile network register request response.
14. the method for setting up the mobile network tunnel according to claim 13 is characterized in that, the concrete mode of Care-of Address that IAD is carried in the mobile network register request response of the authentication of described visited network, mandate and the forwarding of chargeing to be provided is:
After mobile network register request response was received in the authentication of described visited network, mandate and charging, the Care-of Address that the via node of the visited network that the mobile network register request response is carried provides was revised as the Care-of Address that the IAD of visited network provides;
The authentication of described visited network, mandate and charging encapsulate the mobile network register request response again according to amended Care-of Address.
15. the method for setting up the mobile network tunnel according to claim 14, it is characterized in that, the described concrete mode that encapsulates mobile network register request response again is: the source address of encapsulation mobile network register request response message head is the address of authentication, mandate and the charging of visited network, and destination address is the address of the via node of the address of IAD of visited network and visited network.
16. according to the described method of setting up the mobile network tunnel of arbitrary claim in the claim 1 to 15, it is characterized in that, according to the response of described mobile network register request or register requirement, the via node of setting up visited network is respectively acted on behalf of with the local mobile network, the mobile network tunnel between the IAD of the via node of visited network and visited network specifically comprises:
Described local mobile network agency is established to the mobile network tunnel of the via node of visited network according to the mobile network register request of the via node forwarding of visited network;
The via node of described visited network is according to the mobile network register request response that local mobile network agency returns, the via node of setting up visited network respectively to the local mobile network act on behalf of, the via node of visited network is to the mobile network tunnel of the IAD of visited network;
The IAD of described visited network is set up the mobile network tunnel of the IAD of visited network to the via node of visited network according to the mobile network register request response that receives.
17. a mobile network is characterized in that, comprising:
The IAD of visited network is used to send mobile network register request;
The via node of visited network is used to transmit the mobile network register request that receives from the IAD of visited network, and described mobile network register request is carried the Care-of Address that the via node of visited network provides;
Local mobile network agency is used for the mobile network register request of basis from the via node reception of visited network, returns the mobile network register request response to visited network,
According to the response of described mobile network register request or mobile network register request, the via node of setting up visited network is respectively acted on behalf of with the local mobile network, the mobile network tunnel between the IAD of the via node of visited network and visited network.
18. a via node is characterized in that, comprises
Receiving element is used to receive the response of mobile network register request and mobile network register request;
The Care-of Address unit, the mobile network register request and the mobile network register request that are used for receiving according to receiving element respond, and generate the Care-of Address of corresponding mobile node;
The mobile network sets up the unit in the tunnel, the Care-of Address of the mobile node that mobile network register request response that is used for receiving according to receiving element and Care-of Address unit generate, the mobile network tunnel between foundation and visited network, the home network respectively;
Transmitting element is used to transmit mobile network register request and the mobile network register request response that described receiving element receives.
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| CN1649435A (en) * | 2004-04-02 | 2005-08-03 | 华为技术有限公司 | Method for realizing roaming user to visit network inner service |
| CN1863376A (en) * | 2005-05-12 | 2006-11-15 | 中兴通讯股份有限公司 | Method for protecting mobile terminal identity in mobile communication system |
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| CN1649435A (en) * | 2004-04-02 | 2005-08-03 | 华为技术有限公司 | Method for realizing roaming user to visit network inner service |
| CN1863376A (en) * | 2005-05-12 | 2006-11-15 | 中兴通讯股份有限公司 | Method for protecting mobile terminal identity in mobile communication system |
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