CN102111744B - Method, device and system for redirecting local mobility anchor - Google Patents
Method, device and system for redirecting local mobility anchor Download PDFInfo
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- CN102111744B CN102111744B CN200910243217.4A CN200910243217A CN102111744B CN 102111744 B CN102111744 B CN 102111744B CN 200910243217 A CN200910243217 A CN 200910243217A CN 102111744 B CN102111744 B CN 102111744B
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Abstract
The invention discloses a method, a device and a system for redirecting a local mobility anchor (LMA). The method comprises the following steps of: receiving a first notification message sent by a second LMA and a proxy binding update (PBU) message sent by a mobility access gateway (MAG) and belonging to the first LMA by the first LMA, wherein the first notification message carries a home prefix and a node identification which needs to be redirected to a mobile node (MN) of the first LMA from the second LMA, and the PBU message carries the node identification accessed to the MN of the MAG; instructing a router in the network to route the data of which the receiver home prefix is above home prefix in the data needing to be sent to the first LMA after determining that the node identification sent by the second LMA is in accordance with the node identification sent by MAG; and instructing the MAG to provide a mobile management service for the MN. By adopting the technical scheme provided by the invention, the problem in the prior art that when the MN moves across the LMA, the LMA providing services for the MN is directed to the original LMA so that routing is roundabout and more network resources are consumed is solved.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of reorientation method of local mobile anchor, equipment and system.
Background technology
Internet Engineering task groups (IETF, The Internet Engineering Task Force) proxy mobile IPv 6 (PMIPv6, Proxy Mobile IPv6) agreement is a kind of based on mobile IP v 6 (MIPv6, MobileIPv6) the network layer mobility management protocol of protocol extension, its core functional entities comprises local mobile anchor (LMA, Local Mobility Anchor) and Mobile Access Gateway (MAG, Mobility AccessGateway), the common cooperation of LMA and MAG provides mobile node (MN, Mobile Node) mobile management in PMIPv6 management domain.Wherein, MAG is positioned on the access link of MN, be responsible for finding the immigration of MN and shifting out, and send the binding information of MN to LMA, LMA is responsible for preserving and upgrading the binding information of MN, and be created to the route of MN, and forwarding all data that MN sends or receives, its function class is similar to the home agent of MN in PMIPv6 territory.
As shown in Figure 1, in prior art, LMA and MAG realize schematic diagram for MN provides the system of mobile management, if in the region that MN1 manages at LMA1, be registered to the MAG1 that LMA1 manages, MAG1 is after the access that MN1 detected, send agent binding update (PBU to LMA1, Proxy Binding Update) message, in this PBU message, carry the mark of MN1, LMA1 confirms (PBA at the agent binding that sends to MAG1, Proxy Binding Acknowledgement) carry local prefix and other relevant informations that promising MN1 distributes in message, wherein LMA1 be MN1 distribute local prefix corresponding with the comprehensive local prefix of LMA1, LMA1 binds the local prefix and the MAG1 that distribute for this MN, and LMA1 is behind the tunnel of setting up between MAG1, broadcast reached at the routing iinformation of this local prefix, the all data that send to this local prefix are directly sent to LMA1 by router in indication network.
If it is the local prefix that MN1 is corresponding that the router in network is determined certain data receiver's local prefix, these data are routed to LMA1, first LMA1 determines this data receiver's local prefix, then according to the binding relationship of local prefix and MAG, the MAG that is defined as MN1 service corresponding to this local prefix is MAG1, then these data are routed to MAG1, these data are offered MN1 by instruction MAG1.
If MN1 moves to MAG2 from MAG1, MN1 is registered to MAG2, MAG2 sends the PBU message of the mark that carries MN1 to LMA1, notice LMA1 binds local prefix and the MAG2 of MN1, LMA1 sends PBA message to MAG2, and tunnel between foundation and MAG2, and follow-up LMA1 receives after the data of the local prefix that recipient's local prefix is MN1, these data are routed to MAG2, and these data are offered MN1 by instruction MAG2.
If MN1 moves to MAG3 from MAG1, MN1 is registered to MAG3, because the local prefix of MN1 is that LMA1 distributes, the local prefix of MN1 is corresponding with the comprehensive local prefix of LMA1, not corresponding with the comprehensive local prefix of LMA2, although therefore MAG3 is managed by LMA2, now, in the process that ensures to move at MN1, the local prefix of MN1 remains unchanged, and is MN1 mobility business is provided, MAG3 still sends PBU message to LMA1, provides mobile management service by LMA1 for MN1.
From above-mentioned processing procedure, in prior art, in the time that MN occurs across LMA mobile, still will be directed to former LMA for the LMA of this MN service, although now MN and new LMA's is nearest, the data of this MN still need to carry out route through former LMA, and this has just caused the roundabout of route, have expended more Internet resources.
Summary of the invention
The embodiment of the present invention provides a kind of reorientation method and system of local mobile anchor, in order to solve that prior art exists when MN generation is during across LMA mobile, by for the LMA of this MN service is directed to former LMA, therefore cause the roundabout of route, expend the problem of more Internet resources.
Accordingly, the embodiment of the present invention also provides a kind of local mobile anchor and Mobile Access Gateway.
Embodiment of the present invention technical scheme is as follows:
A kind of reorientation method of local mobile anchor, the method comprising the steps of: the first local mobile anchor LMA receives the first notification message of the 2nd LMA transmission and belongs to the agent binding update messages of the Mobile Access Gateway MAG transmission of self, in the first notification message, carry local prefix and the node identification that need to be redirected to by the 2nd LMA the mobile node MN of a LMA, in agent binding update messages, carry the node identification of the MN that accesses to described MAG; And determine node identification that node identification that the 2nd LMA sends and described MAG send consistent after, the router in indication network is by the data of need transmission, recipient local prefix is that the data of described local prefix route to a LMA; And indicate described MAG to provide mobile management service for described MN.
A kind of local mobile anchor, comprise: receiving element, for receiving the first notification message of other local mobile anchors LMA transmission and belonging to the agent binding update messages of the Mobile Access Gateway MAG transmission of described LMA, in the first notification message, carry local prefix and the node identification that need to be redirected to by described other LMA the mobile node MN of described LMA, in agent binding update messages, carry the node identification of the MN that accesses to described MAG; Determining unit, whether the node identification that receiving element receives for determining, described other LMA send is consistent with the node identification that described MAG sends; The first indicating member, for being defined as in determining unit when consistent, in the data that the router in indication network sends need, recipient local prefix is that the data of described local prefix route to described LMA; The second indicating member, for being defined as in determining unit when consistent, indicates described MAG to provide mobile management service for described MN.
A kind of local mobile anchor, comprising: whether detecting unit, move to for detection of the mobile node MN that mobile management service is provided by self region that other local mobile anchors LMA manages; Determining unit, while moving to the region that other LMA manage, determines that this MN need to be redirected to described other LMA by described LMA for detecting at detecting unit by the MN that mobile management service is provided self; Transmitting element, for sending to described other LMA by carrying the local prefix of described MN and the first notification message of node identification.
A kind of Mobile Access Gateway, comprising: detecting unit, for detection of whether existing mobile node MN to access to described mobile gateway MAG; Transmitting element, exists MN to access to after described MAG for detecting at detecting unit, and the local mobile anchor LMA belonging to described MAG sends agent binding update messages, carries the node identification of described MN in described agent binding update messages; Provide unit, for according to the instruction of described LMA, for described MN provides mobile management service.
A kind of Redirectional system of local mobile anchor, comprise the first local mobile anchor LMA, belong to Mobile Access Gateway MAG and the 2nd LMA of a LMA, wherein: described MAG, for detecting that mobile node MN accesses to after described MAG, send agent binding update messages to a described LMA, in described agent binding update messages, carry the node identification of described MN, and according to the instruction of a described LMA, for described MN provides mobile management service; The 2nd LMA, for detecting while moving to by the MN that mobile management service is provided self region that a LMA manages, determine that this MN need to be redirected to a LMA by the 2nd LMA, and will carry the local prefix of described MN and the notification message of node identification sends to a LMA; The one LMA, for determining node identification that node identification that the 2nd LMA sends and described MAG send when consistent, in the data that router in indication network sends need, recipient local prefix is that the data of described local prefix route to a LMA, and indicates described MAG to provide mobile management service for described MN.
In embodiment of the present invention technical scheme, the one LMA receives the first notification message of the 2nd LMA transmission and belongs to the PBU message of the MAG transmission of self, in the first notification message, carry local prefix and the node identification that need to be redirected to by the 2nd LMA the MN of a LMA, in PBU message, carry the node identification of the MN that accesses to above-mentioned MAG, and determine node identification that node identification that the 2nd LMA sends and above-mentioned MAG send consistent after, in the data that router in indication network sends need, recipient local prefix is that the data of above-mentioned local prefix route to a LMA, and indicate above-mentioned MAG to provide mobile management service for above-mentioned MN, therefore in the time that MN occurs to move across LMA, can will be redirected to new LMA by former LMA for the LMA of this MN service, thereby solve the roundabout problem of route of being brought for this MN serves by former LMA, Internet resources are effectively saved.
Brief description of the drawings
Fig. 1 is in prior art, and LMA and MAG realize schematic diagram for MN provides the system of mobile management;
Fig. 2 is in the embodiment of the present invention, the reorientation method schematic flow sheet of LMA;
Fig. 3 is in the embodiment of the present invention, the reorientation method specific implementation schematic flow sheet of LMA;
Fig. 4 is in the embodiment of the present invention, LMA structural representation;
Fig. 5 is in the embodiment of the present invention, LMA structural representation;
Fig. 6 is in the embodiment of the present invention, MAG structural representation.
Embodiment
Below in conjunction with each accompanying drawing, embodiment of the present invention technical scheme main realized to principle, embodiment and the beneficial effect that should be able to reach is at length set forth.
As shown in Figure 2, in the embodiment of the present invention, the reorientation method flow chart of LMA, its concrete processing procedure is as follows:
Step 21, the one LMA receives the first notification message of the 2nd LMA transmission and belongs to the PBU message of the MAG transmission of a LMA, in the first notification message, carry local prefix and the node identification that need to be redirected to by the 2nd LMA the MN of a LMA, in PBU message, carry the node identification of the MN that accesses to above-mentioned MAG;
If the 2nd LMA detects by self providing the MN of mobile management service to move to the region of the 2nd LMA management from the region of a LMA management, determine that this MN need to move to a LMA by the 2nd LMA, then the 2nd LMA inserts local prefix and the node identification of this MN in the first notification message of giving a LMA to be sent, then this first notification message to be sent is sent to a LMA.
In the embodiment of the present invention, the first notification message can be, but not limited to the Border Gateway Protocol (BGP after expansion, Border Gateway Protocol) message, to the method for BGP extension of message can be: in the reserved bit position of former BGP message, insert local prefix and the node identification of MN, and the type of message of BGP message after this expansion is type of message corresponding to redirect notification.
Belong to the MAG of a LMA in the time accessing detection, detect that MN moves to the region of a LMA management, this MAG will insert the node identification of this MN in PBU message of giving a LMA to be sent, and then this PBU message to be sent is sent to a LMA by this MAG.
Step 22, a LMA is determining node identification that node identification that the 2nd LMA sends and above-mentioned MAG send when consistent, and in the data that the router in indication network sends need, recipient local prefix is that the data of above-mentioned local prefix route to a LMA;
If it is consistent with the node identification that above-mentioned MAG sends that a LMA determines the node identification of the 2nd LMA transmission, determine that MN corresponding to this node identification need to be redirected to a LMA from the 2nd LMA, the one LMA binds the gateway identification of the MAG of the local prefix of this MN and above-mentioned transmission PBU message, is specially the corresponding relation of setting up the local prefix of this MN and the gateway identification of this MAG.
In the time that this MN is positioned at the region of the 2nd LMA management, in the data that router in the 2nd LMA indication network sends need, recipient local prefix is that the data of above-mentioned local prefix route to the 2nd LMA, be about to send to the data of this MN all first to send to the 2nd LMA, if this MN routes to a LMA by the 2nd LMA, a LMA need to notify the routing iinformation of this MN to the router in network, in the data that router in indication network sends need, recipient local prefix is that the data of this local prefix route to a LMA, be about to send to the data of this MN all first to send to a LMA.
In the embodiment of the present invention, LMA is by routing broadcast message, broadcast the routing iinformation of this local prefix, in the data that need sent with the router in indication network, recipient local prefix is that the data of above-mentioned local prefix route to this LMA, carries the anchor point mark of this local prefix and this LMA in this routing broadcast message.
Step 23, a LMA indicates above-mentioned MAG to provide mobile management service for above-mentioned MN.
After the local prefix that the one LMA sends the 2nd LMA and the gateway identification of above-mentioned MAG are bound, send the PBA message of the node identification that carries above-mentioned local prefix and above-mentioned MN to above-mentioned MAG, above-mentioned MAG is receiving after this PBA message, according to the local prefix receiving, for MN simulation home link corresponding to node identification receiving, and for MN corresponding to node identification receiving arranges route, and set up the tunnel between a LMA.
Wherein according to the local prefix receiving, for MN simulation home link corresponding to node identification receiving, be specially: the MN corresponding to the node identification receiving sends router advertisement (RA, the Router Advertisement) message that carries the local prefix receiving.
In the embodiment of the present invention, step 23, step 24 and step 25 can be carried out successively according to the order of setting, for example, first perform step 24, perform step 23 again, then perform step 25, also can first carry out two steps wherein, then carry out another one, or carry out this three steps simultaneously.
In addition, a LMA determine node identification that node identification that the 2nd LMA sends and above-mentioned MAG send consistent after, the reorientation method of the LMA of embodiment of the present invention proposition can also but be not limited to comprise the steps:
The one LMA sends the second notification message that carries above-mentioned local prefix to the 2nd LMA, notify the 2nd LMA to cancel the routing iinformation that arrives above-mentioned local prefix, the 2nd LMA receives after the second notification message, by route withdrawal broadcast, the router in indication network forbids that sending recipient local prefix to the 2nd LMA is the data of above-mentioned local prefix.
In the embodiment of the present invention, the second notification message can be, but not limited to the BGP message after expansion, to the method for BGP extension of message can be: the local prefix of inserting MN in the reserved bit position of former BGP message, also can insert the node identification of this MN, and the type of message of BGP message after this expansion is that route withdrawal is notified corresponding type of message.
From above-mentioned processing procedure, in embodiment of the present invention technical scheme, the one LMA receives the first notification message of the 2nd LMA transmission and belongs to the PBU message that MAG sends of moving of self, in the first notification message, carry local prefix and the node identification that need to be redirected to by the 2nd LMA the MN of a LMA, in PBU message, carry the node identification of the MN that accesses to above-mentioned MAG, and determine node identification that node identification that the 2nd LMA sends and above-mentioned MAG send consistent after, in the data that router in indication network sends need, recipient local prefix is that the data of above-mentioned local prefix route to a LMA, and indicate above-mentioned MAG to provide mobile management service for above-mentioned MN, therefore in the time that MN occurs to move across LMA, can will be redirected to new LMA by former LMA for the LMA of this MN service, thereby solve the roundabout problem of route of being brought for this MN serves by former LMA, Internet resources are effectively saved.
Provide more specifically execution mode below.
As shown in Figure 1, in the region that MN1 manages at LMA1, be registered to the MAG1 that belongs to LMA1, now the data that send to MN1 are all transmitted to LMA1 by router, LMA1 is again according to binding relationship, send the data to MAG1, provide data by MAG1 for MN1, if the region that MN1 is managed by LMA1 moves to the region of LMA2 management, the MAG that belongs to LMA2 has MAG3 and MAG4, as shown in Figure 3, in the embodiment of the present invention, the reorientation method specific implementation flow chart of LMA, its concrete processing procedure is as follows:
Step 31, LMA1 detects that MN1 moves to the region that LMA2 manages;
Step 32, LMA1 determines that this MN1 need to be redirected to LMA2 by LMA1;
Step 33, LMA1 will carry the local prefix of MN1 and the BGP message of node identification sends to LMA2;
Step 34, MAG3 detects that MN1 accesses to MAG3;
Step 35, MAG3 sends the PBU message of the node identification that carries MN1 to LMA2;
Step 36, LMA2 determines that whether the node identification of LMA1 transmission is consistent with the node identification that MAG3 sends;
Step 37, if LMA2 determines unanimously, the local prefix LMA1 being sent and the gateway identification of MAG3 are bound;
Step 38, LMA2 is by routing broadcast message, reached at the routing iinformation of broadcasting this local prefix;
Step 39, LMA sends the PBA message of the node identification that carries this local prefix and MN1 to MAG3;
Step 310, MAG3 is receiving after PBA message, sends the router advertisement message that carries the local prefix receiving to MN1;
Step 311, MAG3 is that MN1 arranges route;
Step 312, MAG3 sets up the tunnel between LMA2;
Step 313, LMA2 sends the BGP message that carries this local prefix to LMA1;
Step 314, LMA1 receives after BGP, by route withdrawal broadcast, cancels the routing iinformation that arrives this local prefix.
Accordingly, the embodiment of the present invention also provides a kind of LMA, as shown in Figure 4, comprises receiving element 41, determining unit 42, the first indicating member 43 and the second indicating member 44, wherein:
Receiving element 41, for receiving the first notification message of other LMA transmissions and belonging to the PBU message of the MAG transmission of above-mentioned LMA, in the first notification message, carry local prefix and the node identification that need to be redirected to by above-mentioned other LMA the MN of above-mentioned LMA, in PBU message, carry the node identification of the MN that accesses to above-mentioned MAG;
Whether determining unit 42 is consistent with the node identification that above-mentioned MAG sends for determining the node identification of receiving element 41 other LMA transmissions that receive, above-mentioned;
The first indicating member 43, for being defined as in determining unit 42 when consistent, in the data that the router in indication network sends need, recipient local prefix is that the data of above-mentioned local prefix route to above-mentioned LMA;
The second indicating member 44, for being defined as in determining unit 42 when consistent, indicates above-mentioned MAG to provide mobile management service for above-mentioned MN.
Preferably, the second indicating member 44 specifically comprises intron unit and transmission subelement, wherein:
Intron unit, for being defined as in determining unit 42 when consistent, gives in the PBA message of above-mentioned MAG to be sent, inserts local prefix and node identification that receiving element 41 receives;
Send subelement, send to above-mentioned MAG for the PBA message of intron unit having been inserted to local prefix and node identification.
Preferably, above-mentioned LMA also comprises transmitting element, for being defined as in determining unit 42 when consistent, sends to above-mentioned other LMA the second notification message that carries above-mentioned local prefix.
More preferably, the second notification message that the first notification message that receiving element 41 receives and transmitting element send is BGP message.
The embodiment of the present invention provides a kind of LMA, as shown in Figure 5, comprises detecting unit 51, determining unit 52 and transmitting element 53, wherein:
Whether detecting unit 51, move to for detection of the MN that mobile management service is provided by self region that other LMA manage;
Determining unit 52, while moving to the region that other LMA manage, determines that this MN need to be redirected to above-mentioned other LMA by above-mentioned LMA for detecting at detecting unit 51 by the MN that mobile management service is provided self;
Transmitting element 53, for carrying the local prefix of above-mentioned MN and the first notification message of node identification sends to above-mentioned other LMA.
Preferably, above-mentioned LMA also comprises receiving element and indicating member, wherein:
Receiving element, the second notification message that carries local prefix sending for receiving above-mentioned other LMA;
Indicating member, for receiving at receiving element after the second notification message, the router in indication network is forbidden sending to above-mentioned LMA the data that recipient local prefix is the local prefix that receives of receiving element.
More preferably, the second notification message that the first notification message that transmitting element 53 sends and receiving element receive is BGP message.
The embodiment of the present invention provides a kind of MAG, and as shown in Figure 6, comprise detecting unit 61, transmitting element 62 and unit 63 is provided, wherein:
Whether detecting unit 61, for detection of existing MN to access to above-mentioned MAG;
Transmitting element 62, exists MN to access to after above-mentioned MAG for detecting at detecting unit 61, and the LMA belonging to above-mentioned MAG sends PBU message, carries the node identification of above-mentioned MN in above-mentioned PBU message;
Provide unit 63, for according to the instruction of above-mentioned LMA, for above-mentioned MN provides mobile management service.
Preferably, provide unit 63 specifically to comprise and receive subelement, send subelement, Route establishment subelement and subelement is set up in tunnel, wherein:
Receive subelement, the PBA message that carries local prefix and node identification sending for receiving above-mentioned LMA;
Send subelement, for receiving after PBA message receiving subelement, send and carry the router advertisement message that receives the local prefix that subelement receives to receiving MN that the node identification that receives of subelement is corresponding;
Route establishment subelement, for receiving after PBA message at reception subelement, MN corresponding to node identification receiving for reception subelement arranges route;
Subelement is set up in tunnel, for receiving after PBA message at reception subelement, sets up the tunnel between above-mentioned LMA.
The embodiment of the present invention also provides the Redirectional system of a kind of LMA, and comprise a LMA, belong to MAG and the 2nd LMA of a LMA, wherein:
MAG, for detecting that MN accesses to after above-mentioned MAG, sends PBU message to an above-mentioned LMA, carries the node identification of above-mentioned MN in above-mentioned PBU message, and according to the instruction of an above-mentioned LMA, for above-mentioned MN provides mobile management service;
The 2nd LMA, for detecting while moving to by the MN that mobile management service is provided self region that a LMA manages, determine that this MN need to be redirected to a LMA by the 2nd LMA, and will carry the local prefix of above-mentioned MN and the notification message of node identification sends to a LMA;
The one LMA, for determining node identification that node identification that the 2nd LMA sends and above-mentioned MAG send when consistent, in the data that router in indication network sends need, recipient local prefix is that the data of above-mentioned local prefix route to a LMA, and indicates above-mentioned MAG to provide mobile management service for above-mentioned MN.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (12)
1. a reorientation method for local mobile anchor, is characterized in that, comprising:
The first local mobile anchor LMA receives the first notification message of the 2nd LMA transmission and belongs to the agent binding update messages of the Mobile Access Gateway MAG transmission of self, in the first notification message, carry local prefix and the node identification that need to be redirected to by the 2nd LMA the mobile node MN of a LMA, in agent binding update messages, carry the node identification of the MN that accesses to described MAG; And
Determine node identification that node identification that the 2nd LMA sends and described MAG send consistent after, the router in indication network is by the data of need transmission, recipient local prefix is that the data of described local prefix route to a LMA; And
Indicate described MAG to provide mobile management service for described MN.
2. the reorientation method of local mobile anchor as claimed in claim 1, is characterized in that, a LMA receives the first notification message that the 2nd LMA sends, and specifically comprises:
The 2nd LMA, detecting while moving to by the MN that mobile management service is provided self region that a LMA manages, determines that this MN need to be redirected to a LMA by the 2nd LMA; And
Described the first notification message is sent to a LMA.
3. the reorientation method of local mobile anchor as claimed in claim 1, is characterized in that, a LMA indicates described MAG for described MN provides mobile management service, specifically comprises:
The one LMA sends the proxy binding acknowledgment messages of the node identification that carries described local prefix and described MN to described MAG;
Described MAG is receiving after proxy binding acknowledgment messages, the MN corresponding to the node identification receiving sends the router advertisement message that carries the local prefix receiving, and for MN corresponding to node identification receiving arranges route, and set up the tunnel between a LMA.
4. the reorientation method of local mobile anchor as claimed in claim 1, is characterized in that, determine node identification that node identification that the 2nd LMA sends and described MAG send consistent after, also comprise:
The one LMA sends the second notification message that carries described local prefix to the 2nd LMA;
The 2nd LMA receives after the second notification message, and the router in indication network forbids that sending recipient local prefix to the 2nd LMA is the data of described local prefix.
5. the reorientation method of local mobile anchor as claimed in claim 4, is characterized in that, described the first notification message and the second notification message are border gateway protocol message.
6. a local mobile anchor, is characterized in that, comprising:
Receiving element, for receiving the first notification message of other local mobile anchors LMA transmission and belonging to the agent binding update messages of the Mobile Access Gateway MAG transmission of described LMA, in the first notification message, carry local prefix and the node identification that need to be redirected to by described other LMA the mobile node MN of described LMA, in agent binding update messages, carry the node identification of the MN that accesses to described MAG;
Determining unit, whether the node identification that receiving element receives for determining, described other LMA send is consistent with the node identification that described MAG sends;
The first indicating member, for being defined as in determining unit when consistent, in the data that the router in indication network sends need, recipient local prefix is that the data of described local prefix route to described LMA;
The second indicating member, for being defined as in determining unit when consistent, indicates described MAG to provide mobile management service for described MN.
7. local mobile anchor as claimed in claim 6, is characterized in that, the second indicating member specifically comprises:
Intron unit, for being defined as in determining unit when consistent, gives in the proxy binding acknowledgment messages of described MAG to be sent, inserts local prefix and node identification that receiving element receives;
Send subelement, send to described MAG for the proxy binding acknowledgment messages of intron unit having been inserted to local prefix and node identification.
8. local mobile anchor as claimed in claim 6, is characterized in that, also comprises:
Transmitting element, for being defined as in determining unit when consistent, sends to described other LMA the second notification message that carries described local prefix.
9. local mobile anchor as claimed in claim 8, is characterized in that, the second notification message that the first notification message that receiving element receives and transmitting element send is border gateway protocol message.
10. a local mobile anchor, is characterized in that, comprising:
Whether detecting unit, move to for detection of the mobile node MN that mobile management service is provided by self region that other local mobile anchors LMA manages;
Determining unit, while moving to the region that other LMA manage, determines that this MN need to be redirected to described other LMA by described LMA for detecting at detecting unit by the MN that mobile management service is provided self;
Transmitting element, for sending to described other LMA by carrying the local prefix of described MN and the first notification message of node identification;
Wherein, described local mobile anchor also comprises:
Receiving element, the second notification message that carries local prefix sending for receiving described other LMA;
Indicating member, for receiving at receiving element after the second notification message, the router in indication network is forbidden sending to described LMA the data that recipient local prefix is the local prefix that receives of receiving element.
11. local mobile anchors as claimed in claim 10, is characterized in that, the second notification message that the first notification message that described transmitting element sends and receiving element receive is border gateway protocol message.
The Redirectional system of 12. 1 kinds of local mobile anchors, is characterized in that, comprises the first local mobile anchor LMA, belongs to Mobile Access Gateway MAG and the 2nd LMA of a LMA, wherein:
Described MAG, for detecting that mobile node MN accesses to after described MAG, send agent binding update messages to a described LMA, in described agent binding update messages, carry the node identification of described MN, and according to the instruction of a described LMA, for described MN provides mobile management service;
The 2nd LMA, for detecting while moving to by the MN that mobile management service is provided self region that a LMA manages, determine that this MN need to be redirected to a LMA by the 2nd LMA, and will carry the local prefix of described MN and the notification message of node identification sends to a LMA;
The one LMA, for determining node identification that node identification that the 2nd LMA sends and described MAG send when consistent, in the data that router in indication network sends need, recipient local prefix is that the data of described local prefix route to a LMA, and indicates described MAG to provide mobile management service for described MN.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101175316A (en) * | 2006-10-30 | 2008-05-07 | 华为技术有限公司 | Method for cross-local mobile administrative domain switch-over and its communication system |
| CN101179457A (en) * | 2006-11-09 | 2008-05-14 | 华为技术有限公司 | Routing optimization based switch method in local mobile administrative domain |
| CN101212773A (en) * | 2006-12-31 | 2008-07-02 | 华为技术有限公司 | Method and system supporting movement of mobile network |
| CN101448252A (en) * | 2008-06-20 | 2009-06-03 | 中兴通讯股份有限公司 | Network switching implementation method, system thereof and mobile nodes |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101175316A (en) * | 2006-10-30 | 2008-05-07 | 华为技术有限公司 | Method for cross-local mobile administrative domain switch-over and its communication system |
| CN101179457A (en) * | 2006-11-09 | 2008-05-14 | 华为技术有限公司 | Routing optimization based switch method in local mobile administrative domain |
| CN101212773A (en) * | 2006-12-31 | 2008-07-02 | 华为技术有限公司 | Method and system supporting movement of mobile network |
| CN101448252A (en) * | 2008-06-20 | 2009-06-03 | 中兴通讯股份有限公司 | Network switching implementation method, system thereof and mobile nodes |
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