CN100596229C - Method for apprizing the binding result of the target network address and mobile user terminal - Google Patents
Method for apprizing the binding result of the target network address and mobile user terminal Download PDFInfo
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- CN100596229C CN100596229C CN200610058157A CN200610058157A CN100596229C CN 100596229 C CN100596229 C CN 100596229C CN 200610058157 A CN200610058157 A CN 200610058157A CN 200610058157 A CN200610058157 A CN 200610058157A CN 100596229 C CN100596229 C CN 100596229C
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Abstract
The invention relates to a method which is based on the target Address Binding results of the users switching. It includes the following steps: based on the WiMAX of MIPv6 systems, mobile users complete in home agent handoff to be by the target network access to the address and home address bind Department. After that, the mobile users make the bundled news inform of the target network. Accordingly, the present invention also discloses a mobile user terminal. The invention will enable MSS switch to the target network, and inform of the MSS in the HA bundled address information accurately. Thus, it sends reposition response information to the functional entities of ASN at the right time.
Description
Technical field
The present invention relates to the technical field of applying MIP v6 in the WiMAX system, especially relate to a kind of method and mobile subscriber terminal thereof of informing the destination network addresses binding result.
Background technology
Although with Internet Protocol the 4th edition (IPv4, IP version 4) for the Internet communications technologies of core technology has obtained great success, yet because the nervous problem of IPv4 address resource and directly limited further developing that the IP technology is used.Because the develop rapidly of mobile communication technology and broadband technology causes the demand sharp increase to the IP address at present, in order to solve the nervous problem of IP address resource, the also corresponding inter-domain routing (CIDR that has proposed as no class of prior art, Classless Inter Domain Routing), network address translation (NAT, Network Address Translation), technology such as combined address, but the nervous problem that these technology to a certain extent can only respite IPv4 address resource.
For these reasons, Internet engineering duty group (IETF, Internet Engineering Task Force) has proposed Next Generation Internet agreement-IPv6 in the nineties in 20th century, and IPv6 has been acknowledged as the following upgraded version of IPv4 at present.Wherein the most essential improvement of IPv6 technology is exactly that original IPv4 address size has been increased to 128 by 32, thereby has brought almost unlimited address space.In addition, the IPv6 technology has also adopted the hierarchical address pattern, IP packet header, service quality, host address dispose automatically and authenticate and many technology such as encryption efficiently.
Wherein, in order to realize that mobile node still can successfully communicate with the external world under mobile status, existing mobile IP technology (the MIP that adopted, Mobile IP), its basic functional principle is that mobile node (is home address HoA except having a fixed IP addresses, Home Address) outside, and also will to have the interim IP address of another one in the field network that moves to recently (be transfer address CoA, Care-ofAddress), set up corresponding relation between HoA address and the CoA address by network configuration mechanism then, and the routing relation between home network and the field network, thereby reach when making the network of mobile node that change take place at its place, can with the Correspondent Node that is arranged in other networks (CN, CorrespondingNode) the unbroken purpose of the communication between.And mobile IP protocol version 6 (MIPv6, Mobile IPversion 6) is based on the mobile IP technology of IPv6 agreement, its implementation procedure need not outer agency, support routing optimality (Route Optimization) to handle and then avoided the alternate route problem, and made full use of neighbours' discovery feature and IPv6 extension header, so the travelling performance of MIPv6 has had sizable improvement with respect to the travelling performance of MIPv4.
Following is the concise and to the point course of work of MIPv6:
1) mobile node is determined current position according to the discovery message that the IPv6 router sends;
2) mobile node uses the CoA address that the automatic configuration mechanism in IPv6 address (perhaps other mechanism) is obtained the field network link configuration;
3) mobile node lands local agent, and notifies its CoA address to local agent;
4) mobile node also will be notified its CoA address to some CN;
5) do not know that the communication host of mobile node CoA address can ignore the CoA address of mobile node, and the moving IPv4 of image drift is the same, packet is mail to the local network of mobile node, by local agent by the tunnel with packet and then be forwarded to the CoA address of mobile node;
6) communication host of knowing mobile node CoA address can use IPv6 route extension header sign directly packet to issue mobile node.
7) mobile node uses the CoA address as the source address that sends packet when other CN send data.
World Interoperability for Microwave Access, WiMax (WiMAX, World Interoperability for MicrowaveAccess) be an emerging wireless communication technology, can provide towards the high speed of the Internet and connect, as shown in Figure 1, this figure is the concrete composition structural representation of existing WiMAX network system, and wherein the WiMAX network system mainly comprises:
User terminal (SS, Subscriber Station)/mobile subscriber terminal (MSS, Mobile SubscriberStation): the user uses this terminal equipment to be linked in the WiMAX network.
Accessing business network (ASN, Access Service Network): gather for the WiMAX terminal provides the network function of wireless access service, wherein ASN has specifically comprised base station BS and two network elements of accessing business network gate ASN-GW; Wherein the major function of BS network element is: provide the L2 (two layers) of BS and MSS to be connected, function such as RRM; The major function of ASN-GW network element is: for the MSS authentication provides client functionality, provide in relaying (Relay) function (as IP address assignment), ASN of L3 (three layers) information handoff functionality etc. for MSS.
Connect service network (CSN, Connect Service Network): for the WiMAX terminal provides IP Connection Service, the major function that CSN provided is: the IP address assignment of MSS, Internet access, AAAproxy or server and based on user's functions such as authorization control.
Form between the logic entity for three in the above-mentioned WiMAX network system and communicate (annotating :) owing to the function that each network element in the WiMAX network system is related is more, above only to having carried out simple elaboration with following technical solution of the present invention function associated by the interface from R1 to R6.
Have at present propose to propose the MIPv6 technology is applied in the WiMAX network system, to reach when MSS is arranged in field network, guarantee its with CN between communicate by letter and keep unbroken purpose.
Wherein in WiMAX network system based on MIPv6, no matter be to transmit data between MSS and the CN in the bidirectional tunnel mode, still with routing optimality (RO, Route Optimization) mode is transmitted data, MSS should finish at home agent (HA, Home Agent) upward Binding Update (BU is carried out in its CoA address that obtains and HoA address in field network, Binding Update)/binding acknowledgement (BA, Binding Acknowledgement) processing, promptly, MSS (refers to when switching to the another one field network from a couple in router [AR when moving from current field network, Access Router] subnet of being administered moves to the subnet that another one AR is administered, the link prefix code difference of two subnets wherein), like this in order to guarantee that MSS realizes and the extraneous purpose that communicates as soon as possible, MSS is after CoA address in field network is finished in configuration, and the BU/BA that should carry out CoA address and HoA address immediately on HA handles.
As shown in Figure 2, this figure is that existing MSS moves the concise and to the point hand-off process schematic diagram that switches to target AR from current service AR, and its main handoff process is as follows:
A. system side or end side trigger handoff process by link layer mechanism, promptly refer to trigger MSS switches to objective network from the current service network processing procedure;
B. in handoff procedure, MSS obtains the link relevant information of the new subnet of target;
C.MSS disposes from the CoA address in the new subnet of target according to the link relevant information of obtaining, and address conflict is carried out in the CoA address that obtains detect (DAD, Duplicate Address Detection) processing;
D.MSS is binding processing to the CoA address that obtains and the HoA address in home network on the HA in the new subnet of target;
E. after the MSS successful switch was in the objective network, originally the AR in the service network discharged the network of relation resource of distributing to MSS.
To sum up, in order to make MSS move (the link prefix code differences of two subnets) when switching to the subnet that another AR administers at the subnet of being administered from an AR (can place the ASN-GW inside in the map network), can realize as soon as possible communicating with the external world, MSS should carry out the binding of carrying out CoA address and HoA address on HA immediately and handle after obtaining the CoA address of finishing in the field network that is switching to.
As shown in Figure 3, be the relevant flow chart of putting down in writing in the up-to-date Stage2 document that in WiMAX network system, carries out the R3 hand-off process based on MIPv6, wherein the R3 handoff procedure refers to that promptly MSS moves the processing procedure that switches to the another one field network from a field network, and its main hand-off process flow process is as follows:
1) the original old ASN data path of expression;
2) represent the MIPv6 context that MSS sets up before switching from service AR to HA;
3) functional entity sends the R3_RelocationRequest message by the target AR in targeted subnet and triggers the R3 handoff process in the ASN;
Target AR is behind the R3_Relocation Request message that successfully receives the indication re-positioning request, and functional entity response R3_Relocation Confirm message responds in ASN;
4) target AR sends route announcement (Router Advertisement) message to MSS after receiving R3_Relocation Confirm message, has set up the path in this process between hypothetical target AR and the BS and has connected;
5)～7) MSS obtains the CoA address in new targeted subnet, and finishes the BU/BA processing of new CoA address and HoA address on HA;
8) when MSS finishes the BU/BA processing procedure of new CoA address and HoA address on the HA after, target AR can receive the binding acknowledgement message that HA sends (BA, BindingAcknowledgement);
9) after target AR receives BA message, think that the R3 hand-off process completes successfully, and then functional entity sends R3_Relocation Response message in ASN; If the R3 hand-off process is unsuccessful, then target AR can notify success of functional entity switching in the ASN, and recovers original link connection status simultaneously;
10)～11) along with the re-anchoring of R3, new ASN data path and new MIPv6 context are established;
12) after the success of R3 hand-off process, the data channel resource between service AR and the target AR is released.
Wherein in above-mentioned R3 handoff process, the realization of step 8) exists certain problem, specifically is that target AR possibly can't know whether MSS finishes the binding processing of CoA address and HoA address on HA, main cause is as follows:
A. after having set up Security Association between MSS and the HA; because the data message that transmits has been subjected to IP safeguard protection (IPsec) or authentication protection (AH) processing between the two; other network elements except MSS and HA can't be known the particular content of BA message like this; therefore T-AR (may place T-ASN-GW inside) will not have ability to read the content of BA message; that is to say that T-AR can't know which the bar message that receives is the BA message that indication CoA address and HoA address binding are finished, thereby T-AR can't confirm when send R3_Relocation.Response message to functional entity in the ASN.
Even b. do not set up Security Association between MSS and the HA, make that the data message content of transmitting all is visible to other network elements between the two, if but T-AR find message that certain bar mails to MSS be after the BA message immediately in ASN functional entity to send R3_Relocation Response message also be not: because might receive the BA message that HA sends by T-AR this moment, but MSS does not receive this BA message that HA sends, for example ASN-GW problem etc. occurred to certain the part transmission line between the MSS and causes MSS will not receive this BA message, MSS just will continue to initiate to carry out the BU/BA processing procedure of CoA address and HoA address on HA, thereby the BA message that T-AR will receive once more triggers that functional entity repeats to send R3_Relocation Response message in ASN, processing mistake that so just might initiating system.
Summary of the invention
The problem to be solved in the present invention is to propose a kind of method of switching based on the user of informing the destination network addresses binding result, so that accurately knowing MSS, the objective network that MSS switched on HA, finishes the message of address binding, thereby in functional entity transmission relocation response message in ASN on correct opportunity.
Accordingly, the invention allows for a kind of mobile subscriber terminal.
For addressing the above problem, the technical scheme that the present invention proposes is as follows:
A kind of method of switching based on the user of informing the destination network addresses binding result comprises step:
In the WiMAX system based on MIPv6, the mobile subscriber handles in the binding of finishing the Care-of Address that will obtain and home address on the home agent in the objective network that is switched to; And
The binding acknowledgement message that described mobile subscriber sends according to home agent determine the binding finish after, by described mobile subscriber the address binding results messages is informed objective network.
Preferably, described method also comprises step:
The address binding results messages that described objective network is sent according to the mobile subscriber, functional entity is notified mobile subscriber's corresponding switching result message in accessing business network.
Wherein said objective network is carried on by the corresponding switching result with the mobile subscriber in the R3_Relocate Response message that sends to functional entity in the accessing business network, realizes giving functional entity in the accessing business network with mobile subscriber's corresponding switching result message informing.
Preferably, described mobile subscriber informs couple in router in the objective network with the address binding results messages; And
Notify mobile subscriber's corresponding switching result message by the functional entity in accessing business network of the couple in router in the objective network.
Preferably, the described mobile subscriber address binding results messages of informing to objective network is based on IP datagram literary composition mode.
Preferably, the described mobile subscriber address binding results messages of informing to objective network is based on WiMAX system management aspect message mode.
A kind of mobile subscriber terminal comprises:
The address binding processing unit is used for mobile subscriber terminal and will binds processing at Care-of Address and home address that the objective network that is switched to obtains on home agent;
Binding result is informed the unit, be used for after the binding acknowledgement message that described mobile subscriber sends according to home agent is determined described address binding processing unit and finished address binding on the home agent and handle, the address binding results messages being informed the objective network that mobile subscriber terminal switches to.
Preferably, described binding result informs that the unit informs the objective network that mobile subscriber terminal is switched to the address binding results messages in the mode of IP datagram literary composition.
Preferably, described binding result informs that the unit informs the objective network that mobile subscriber terminal is switched to the address binding results messages in the mode of WiMAX system management aspect message.
The beneficial effect that the present invention can reach is as follows:
The present invention program is by in the WiMAX system based on MIPv6, MSS handles in the binding of finishing the CoA address that will get access to and HoA address on the HA in the objective network that is switched to, and after binding is finished, by MSS the address binding results messages is informed objective network, thereby make the T-AR in the objective network can know the result that MSS handles in the enterprising row address binding of HA accurately, and then can be correctly, effectively send R3_Relocation Response message in the time and give functional entity in the ASN, with functional entity MSS in the notice ASN whether success switch to objective network from the current service network.
Description of drawings
Fig. 1 is the concrete composition structural representation of existing WiMAX network system;
Fig. 2 moves the concise and to the point hand-off process schematic diagram that switches to target AR for existing MSS from current service AR;
The relevant flow chart that in WiMAX network system based on MIPv6 carry out R3 hand-off process of Fig. 3 for putting down in writing in the up-to-date Stage2 document;
Fig. 4 is the main realization principle flow chart that the present invention is based on the method for informing the destination network addresses binding result of user's switching;
Fig. 5 is the first embodiment process chart of implementing the R3 hand-off process in based on the WiMAX network system of MIPv6 after application the inventive method principle;
Fig. 6 is the second embodiment process chart of implementing the R3 hand-off process in based on the WiMAX network system of MIPv6 after application the inventive method principle;
Fig. 7 is the main composition structured flowchart of the mobile subscriber terminal of the present invention's proposition.
Embodiment
Technical solution of the present invention is at the technological deficiency that analyzes in the above-mentioned prior art, proposed a kind of in WiMAX network system based on MIPv6, the mobile subscriber is switching to the process of objective network from the current service network, after the binding of finishing CoA address and HoA address in the objective network on HA is handled, inform the method for T-AR (may place the T-ASN-GW inside of objective network) the address binding result in the objective network by the mobile subscriber, so that the T-AR in the objective network can be known the object information that MSS handles in the enterprising row address binding of HA accurately, thereby correctly, effectively send R3_Relocation Response message in the time and give functional entity in the ASN, with functional entity MSS in the notice ASN whether success switch to objective network from the current service network.
Be explained in detail below in conjunction with main realization principle, embodiment and the corresponding beneficial effect that reaches thereof of each accompanying drawing the present invention program.
Please refer to Fig. 4, this figure is the main realization principle flow chart that the present invention is based on the method for informing the destination network addresses binding result of user's switching, and its main implementation procedure is as follows:
Step S10, in the WiMAX network system based on MIPv6, MSS handles in the binding of finishing the CoA address that will get access to and HoA address on the HA in the objective network that is switched to;
Step S20 after CoA address and HoA address binding are finished, informs objective network by MSS with the address binding results messages.
Succeeding target network and then the address binding results messages that can send according to MSS, the corresponding switching result message of functional entity notice MSS in ASN, wherein objective network can but be not limited to by in the R3_RelocateResponse message with corresponding switching result information-bearing functional entity in sending to ASN of MSS, realize giving functional entity in the ASN with the corresponding switching result message informing of MSS, promptly notify functional entity MSS in the ASN whether successful switch to objective network from the current service network.Particularly, MSS can inform the address binding results messages couple in router AR (AR may place the ASN-GW of objective network) in the objective network, further sends R3_Relocate Response message by the functional entity in ASN of the AR in the objective network again.
Wherein the MSS address binding results messages of informing to objective network can promptly inform with the IP datagram literary composition of expression " address binding result " whether objective network MSS has finished address binding and handled on HA based on IP datagram literary composition mode; Can also promptly inform with the WiMAX system management aspect message of expression " address binding result " whether objective network MSS has finished address binding and handled on HA based on WiMAX system management aspect message mode.
To introduce two embodiment in detail and come the main realization principle of the inventive method is explained in detail and illustrates according to foregoing invention principle of the present invention below.
Please refer to Fig. 5, this figure is the first embodiment process chart of implementing the R3 hand-off process in based on the WiMAX network system of MIPv6 after application the inventive method principle, MSS is switching to the process of objective network from the current service network in the present embodiment, after the binding of finishing CoA address in the objective network that switches to and HoA address on HA was handled, MSS informed that by using the IP datagram literary composition of representing " address binding result " T-AR (may place the T-ASN-GW inside of objective network) in the objective network self has finished the BU/BA processing procedure on HA; The detailed process of its R3 hand-off process is as follows:
A1) the original old ASN data channel of expression;
A2) represent the MIPv6 context that MSS sets up before switching from service AR to HA;
A3) functional entity sends the R3_RelocationRequest message by the target AR in objective network and triggers the R3 handoff process in the ASN;
Target AR is behind the R3_Relocation Request message that successfully receives the indication re-positioning request, and functional entity response R3_Relocation Confirm message responds in ASN;
A4) target AR sends route announcement (Router Advertisement) message to MSS after receiving R3_Relocation Confirm message, has set up data channel in this process between hypothetical target AR and the target BS;
A5)～a7) MSS obtains the CoA address in new objective network, and finishes the BU/BA processing of new CoA address and HoA address on HA;
A8) MSS is after receiving the BA message that HA sends, T-AR in objective network (placing the T-ASN-GW inside of objective network) sends the IP datagram literary composition message of expression " address binding result ", has finished the BU/BA processing procedure with what inform its success of T-AR in the objective network on HA;
A9) after the T-AR in the objective network receives the IP datagram literary composition message in order to expression " address binding result " that MSS sends, when identifying this message and representing that address binding completes successfully, just functional entity sends R3_Relocation Response message in ASN;
A10)～a11) along with the re-anchoring of R3, new ASN data channel and new MIPv6 context are established;
A12) after the success of R3 hand-off process, the data channel resource between service AR and the target AR is released.
By above-mentioned first embodiment as seen, have only after the T-AR in the objective network receives the IP datagram literary composition message in order to expression " address binding result " that MSS sends, could in ASN, send R3_Relocation Response message by functional entity, thereby make the T-AR in the objective network can know the object information that MSS handles in the enterprising row address binding of HA accurately, and then correctly, effectively send R3_Relocation Response message in the time and give functional entity in the ASN, switch to objective network from the current service network with functional entity MSS success in the notice ASN.
Please refer to Fig. 6, this figure is the second embodiment process chart of implementing the R3 hand-off process in based on the WiMAX network system of MIPv6 after application the inventive method principle, MSS is switching to the process of objective network from the current service network in the present embodiment, after the binding of finishing CoA address in the objective network that switches to and HoA address on HA was handled, MSS informed that by using the WiMAX system management aspect message of representing " address binding result " T-AR (may place the T-ASN-GW inside of objective network) in the objective network self has finished the BU/BA processing procedure on HA; The detailed process of its R3 hand-off process is as follows:
B1) the original old ASN data channel of expression;
B2) represent the MIPv6 context that MSS sets up before switching from service AR to HA;
B3) functional entity sends the R3_RelocationRequest message by the target AR in objective network and triggers the R3 handoff process in the ASN;
Target AR is behind the R3_Relocation Request message that successfully receives the indication re-positioning request, and functional entity response R3_Relocation Confirm message responds in ASN;
B4) target AR sends route announcement (Router Advertisement) message to MSS after receiving R3_Relocation Confirm message, has set up data channel in this process between hypothetical target AR and the target BS;
B5)～b7) MSS obtains the CoA address in new objective network, and finishes the BU/BA processing of new CoA address and HoA address on HA;
B8) MSS is after receiving the BA message that HA sends, T-AR in objective network (placing the T-ASN-GW inside of objective network) sends the WiMAX system management aspect message of expression " address binding result ", has finished the BU/BA processing procedure with what inform its success of T-AR in the objective network on HA;
Annotate: detailed process can at first be notified T-BS address binding result by the management plane message of eating dishes without rice or wine for MSS, and T-BS comes T-AR address binding result in the notification target network by the interior signaling mode again.
B9) after the T-AR in the objective network received the WiMAX system management aspect message in order to expression " address binding result " that MSS sends, functional entity sent R3_Relocation Response message in ASN;
B10)～b11) along with the re-anchoring of R3, new ASN data channel and new MIPv6 context are established;
B12) after the success of R3 hand-off process, the data channel resource between service AR and the target AR is released.
By above-mentioned second embodiment as seen, have only after the T-AR in the objective network receives the WiMAX system management aspect message in order to expression " address binding result " that MSS sends, could in ASN, send R3-Relocation Response message by functional entity, thereby make the T-AR in the objective network can know the object information that MSS handles in the enterprising row address binding of HA accurately, and then correctly, effectively send R3-Relocation Response message in the time and give functional entity in the ASN, switch to objective network from the current service network with functional entity MSS success in the notice ASN.
Wherein in the methods of the invention, MSS finishes in handoff procedure after the binding of the enterprising row address of HA, can but be not limited to use IP datagram literary composition mode and WiMAX system management aspect message mode inform in the objective network T-AR its on HA, finish the object information that address binding is handled.
As fully visible, in the R3 handoff process, use technical solution of the present invention, T-AR in the objective network that MSS switched to can accurate recognition go out MSS on HA whether the address binding of finishing of success handle, thereby make T-AR in the objective network can be correctly, effectively functional entity sends R3-Relocation.Response message in ASN, has avoided the unfavorable drawback that exists in the above-mentioned prior art.
Method corresponding to the above-mentioned proposition of the present invention, the present invention goes back and then has proposed a kind of mobile subscriber terminal here, please refer to Fig. 7, this figure is the main composition structured flowchart of the mobile subscriber terminal that proposes of the present invention, it comprises that mainly address binding processing unit 10 and binding result inform unit 20, and the concrete effect of these two component units is as follows:
Address binding processing unit 10 is mainly used in mobile subscriber terminal and binds processing at CoA that will obtain on the HA and HoA in the objective network that is switched to;
Binding result is informed unit 20, is mainly used in after above-mentioned address binding processing unit 10 is finished the address binding processing, and the address binding results messages is informed the objective network that mobile subscriber terminal switches to.
Wherein binding result informs that unit 20 can inform the objective network that mobile subscriber terminal is switched in the mode of IP datagram literary composition with the address binding results messages; Also the address binding results messages can be informed the objective network that mobile subscriber terminal is switched in the mode of WiMAX system management aspect message.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (9)
1, a kind of method of switching based on the user of informing the destination network addresses binding result is characterized in that, comprises step:
In the WiMAX system based on MIPv6, the mobile subscriber handles in the binding of finishing the Care-of Address that will obtain and home address on the home agent in the objective network that is switched to; And
The binding acknowledgement message that described mobile subscriber sends according to home agent determine the binding finish after, by described mobile subscriber the address binding results messages is informed objective network.
2, the method for claim 1 is characterized in that, also comprises step:
The address binding results messages that described objective network is sent according to the mobile subscriber, functional entity is notified mobile subscriber's corresponding switching result message in accessing business network.
3, method as claimed in claim 2, it is characterized in that, described objective network is carried on by the corresponding switching result with the mobile subscriber in the R3_RelocateResponse message that sends to functional entity in the accessing business network, realizes giving functional entity in the accessing business network with mobile subscriber's corresponding switching result message informing.
4, method as claimed in claim 2 is characterized in that, described mobile subscriber informs couple in router in the objective network with the address binding results messages; And
Notify mobile subscriber's corresponding switching result message by the functional entity in accessing business network of the couple in router in the objective network.
As claim 1,2,3 or 4 described methods, it is characterized in that 5, the address binding results messages that described mobile subscriber informs to objective network is based on IP datagram literary composition mode.
As claim 1,2,3 or 4 described methods, it is characterized in that 6, the address binding results messages that described mobile subscriber informs to objective network is based on WiMAX system management aspect message mode.
7, a kind of mobile subscriber terminal is characterized in that, comprising:
The address binding processing unit is used for mobile subscriber terminal and will binds processing at Care-of Address and home address that the objective network that is switched to obtains on home agent;
Binding result is informed the unit, be used for after the binding acknowledgement message of sending according to home agent is determined described address binding processing unit and finished address binding on the home agent and handle, the address binding results messages being informed the objective network that mobile subscriber terminal switches to.
8, mobile subscriber terminal as claimed in claim 7 is characterized in that, described binding result informs that the unit informs the objective network that mobile subscriber terminal is switched to the address binding results messages in the mode of IP datagram literary composition.
9, mobile subscriber terminal as claimed in claim 7 is characterized in that, described binding result informs that the unit informs the objective network that mobile subscriber terminal is switched to the address binding results messages in the mode of WiMAX system management aspect message.
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| CN101197721B (en) * | 2007-12-25 | 2010-07-07 | 华为技术有限公司 | Method and device for network configuration of subscriber terminal |
| CN101640877B (en) * | 2009-08-20 | 2012-05-09 | 中兴通讯股份有限公司 | Switch method and switch device for WiMAX system |
| US9769713B2 (en) * | 2010-03-25 | 2017-09-19 | Alcatel Lucent | Method of relocating access service network functional entities during mobility events in WiMAX networks |
| CN102395167B (en) * | 2011-11-09 | 2014-03-05 | 广州杰赛科技股份有限公司 | Method for switching among wireless Mesh network fields |
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