CN101997756A - Method, device and system for migrating routing information - Google Patents
Method, device and system for migrating routing information Download PDFInfo
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- CN101997756A CN101997756A CN2009101094768A CN200910109476A CN101997756A CN 101997756 A CN101997756 A CN 101997756A CN 2009101094768 A CN2009101094768 A CN 2009101094768A CN 200910109476 A CN200910109476 A CN 200910109476A CN 101997756 A CN101997756 A CN 101997756A
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Abstract
The embodiment of the invention discloses a method and equipment for migrating routing information, and belongs to the field of communication networks. The method comprises the following steps of: migrating an RD (route distinguisher) to be migrated to a second BGP (border gateway protocol) process; traversing all VPN (virtual private network) routes under the RD to be migrated, and backing up all the VPN routes under the RD to be migrated to the second BGP process; ageing the routing information of the RD to be migrated after all the VPN routes under the RD to be migrated are backed up, and informing the second BGP process after the ageing; and after the notification that the second BGP process completely migrates the routing information of the RD to be migrated is received, deleting the RD to be migrated and all the VPN routes under the RD to be migrated. According to the embodiment of the invention, uninterrupted routing effect is ensured during migrating the routing information.
Description
Technical field
The present invention relates to communication network field, particularly a kind of method, Apparatus and system that moves routing iinformation.
Background technology
In VPN (Virtual Private Network, VPN (virtual private network)), realize that by RD (RouteDistinguisher, Route Distinguisher) address space is independent.Current vpn service development is swift and violent, and market has proposed more and more higher requirement to high-end router VPN performance, is mainly reflected in the requirement to VRF (VirtualRouting Forwarding, route forwarding table) quantity and VPN route quantity.And along with the increase of VRF quantity, when the VPN route increases; be responsible for handling BGP (the Border GatewayProtocol of these VPN routes; Border Gateway Protocol) the process burden can be very heavy; just the VPN route need be separated from a bgp process; move in other bgp process and go; thereby alleviate the load of this bgp process, improved extensibility.
The method that two kinds of migration VPN routes are arranged in the prior art:
First method can load is heavier the VPN route of bgp process move to the lighter bgp process of other loads.This method is deleted from the bgp process of source earlier for the VPN route that comprises RD that will need to move, and reconfigures then, is deployed to the lighter bgp process of other loads.
The VPN route that comprises RD that second method uses an interdictum duplex will need to move is moved to the purpose bgp process from the source bgp process.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
Utilize first method when migration VPN route, need the VPN route of deletion bgp process, and then reconfigure, do like this and can cause losing of forwarding information, in transition process, influence normal business, and need do the configuration of repetition, increased user configured workload;
Utilize second method in the process of migration, still to need to delete the route of source bgp process, cause losing of forwarding information, in the process of migration, influence regular traffic.
Summary of the invention
In the process that makes the migration routing iinformation, guarantee that (Non-Stop Routing, NSR), the embodiment of the invention provides method, the Apparatus and system of migration routing iinformation in uninterrupted routing.
A kind of execution mode that the embodiment of the invention provides is: a kind of method of moving routing iinformation, when the routing iinformation of the RD that comprises the needs migration that the first Border Gateway Protocol (BGP) process need be handled is moved to second bgp process, described method comprises, the described RD of migration that needs is moved to described second bgp process; Travel through all VPN routes under the described RD that needs to move, all VPN route backups under the described RD that needs to move are arrived described second bgp process; Backed up under the described RD that needs migration after all VPN routes, the described routing iinformation of the RD of migration that needs has been carried out burin-in process, and after burin-in process is finished, notify described second bgp process; After receiving the notice that described second bgp process finishes to the described routing iinformation migration that needs the RD of migration, delete described RD and following all VPN routes thereof that need migration.
The another kind of execution mode that the embodiment of the invention provides is: a kind of method of moving routing iinformation, when the routing iinformation of the RD that comprises the needs migration that the first Border Gateway Protocol (BGP) process need be handled is moved to second bgp process, described method comprises, receives the described RD that needs migration that described first bgp process sends; All VPN routes under the described RD that needs migration that backs up that described first bgp process sends; Finish notice in the backup that receives described first bgp process transmission, confirm that the VPN route backup of all backups finishes, notify after the affirmation that described first bgp process is described to need the routing iinformation migration of the RD of migration to finish so that the deletion of described first bgp process described need migration RD and all VPN routes down thereof.
A kind of execution mode that the embodiment of the invention provides is: a kind of device that moves routing iinformation, comprise, transferring module, be used for when the routing iinformation of the RD that comprises the needs migration that the first Border Gateway Protocol (BGP) process need be handled is moved to second bgp process, the described RD of migration that needs being moved to described second bgp process; First backup module is used for all VPN route backups under the RD of described needs migration to second bgp process; The burin-in process module is used under the RD that described backup module backed up the migration of described needs after all VPN routes the described routing iinformation of the RD of migration that needs being carried out burin-in process; First notification module is used for after finishing burin-in process, notifies second bgp process; First removing module, be used to receive the notice that described second bgp process finishes to the routing iinformation migration of the RD of described needs migration after, delete described RD and following all VPN routes thereof that need migration.
The another kind of execution mode that the embodiment of the invention provides is: a kind of device that moves routing iinformation, comprise, receiver module, be used for when the routing iinformation of the RD that comprises the needs migration that the first Border Gateway Protocol (BGP) process need be handled is moved to second bgp process, receiving the described RD that needs migration that described first bgp process sends; Second backup module is used to back up all the VPN routes under the RD that described needs that described first bgp process sends move; Second notification module, be used for finishing notice in the backup that receives described first bgp process transmission, confirm that the VPN route backup of all backups finishes, notify after the affirmation that described first bgp process is described to need the routing iinformation migration of the RD of migration to finish so that the deletion of described first bgp process described need migration RD and all VPN routes down thereof.
A kind of execution mode that the embodiment of the invention also provides is: a kind of system that moves routing iinformation, comprise: first bgp process and second bgp process, wherein when the routing iinformation of the RD that comprises the needs migration that the first Border Gateway Protocol (BGP) process need be handled is moved to second bgp process, described first bgp process is used for the RD of described needs migration is moved to described second bgp process; Travel through all VPN routes under the described RD that needs to move, all VPN route backups under the described RD that needs to move are arrived described second bgp process; Backed up under the described RD that needs migration after all VPN routes, the described routing iinformation of the RD of migration that needs has been carried out burin-in process, and after burin-in process is finished, notify described second bgp process; After receiving the notice that described second bgp process finishes to the described routing iinformation migration that needs the RD of migration, delete described RD and following all VPN routes thereof that need migration; Described second bgp process is used to receive the RD that described needs that described first bgp process sends move; All VPN routes under the described RD that needs migration that backs up that described first bgp process sends; Finish notice in the backup that receives described first bgp process transmission, confirm that the VPN route backup of all backups finishes, notify after the affirmation that described first bgp process is described to need the routing iinformation migration of the RD of migration to finish so that the deletion of described first bgp process described need migration RD and all VPN routes down thereof.
The beneficial effect of the technical scheme that the embodiment of the invention provides is: the RD routing iinformation that needs migration is in transition process, first bgp process is not the RD routing iinformation that directly deletion needs migration, but the RD routing iinformation that will need to move is moved to second bgp process, still in first bgp process, keep the RD routing iinformation that needs migration, after the RD routing iinformation of the needs migration that first bgp process sends was finished in second bgp process backup, first bgp process was just deleted the RD routing iinformation that needs migration.In whole transition process, guarantee uninterrupted routing.
Description of drawings
Fig. 1 is the structural representation of the system of the migration routing iinformation that provides of the embodiment of the invention;
Fig. 2 is the flow chart of the method for the migration routing iinformation that provides of the embodiment of the invention;
Fig. 3 is the structural representation of the device of the migration routing iinformation that provides of the embodiment of the invention;
Fig. 4 is the structural representation of the device of the another kind migration routing iinformation that provides of the embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
In embodiments of the present invention, the system of migration routing iinformation as shown in Figure 1, comprising: reception of neighbours' route and distribution module, the reception of VRF route and distribution module, RD distribution decision-making module, first bgp process and second bgp process.
With reference to figure 2, the system based on the migration routing iinformation illustrates a kind of flow chart that moves the method for routing iinformation that embodiments of the invention provide.According to Fig. 2 as can be known, a kind of method of moving routing iinformation comprises:
S1, when need be with the routing iinformation of RD when first bgp process is moved to second bgp process, first bgp process will need the RD that moves to be labeled as the state of cutting out;
In embodiments of the present invention, can move described RD, the order line of RD dynamic migration by configuration RD dynamic migration command triggers first bgp process:
shift?route-distinguishe?route-distinguisher-value?distributed-index?number
Wherein, route-distinguisher-value: the RD value that move
Number: the distributed index number that receives the purpose bgp process (this example is second bgp process) of migration RD.
In embodiments of the present invention, the load that can also be detected each bgp process by the system of the described bgp process of operation automatically (for example takies the CPU time, neighbours' number etc.), in case find that the load of certain bgp process (as first bgp process in this example) is bigger, when for example surpassing preset threshold value, then trigger from this bgp process automatically, a RD is moved in the another one bgp process.
S2, the RD that first bgp process will be labeled as the state of cutting out is moved to described second bgp process;
In the present embodiment, carry out the described RD that will be labeled as the state of cutting out when moving to described second bgp process, keep the described routing iinformation that is labeled as the RD of the state of cutting out in described first bgp process.
S3, second bgp process receives the RD that first bgp process sends, and preserves and be labeled as the incision state;
S4, first bgp process traversal is labeled as all VPN routes under the RD of the state of cutting out, with all VPN route backups under the described RD that is labeled as the state of cutting out to second bgp process;
S5, first bgp process has backed up under the described RD that is labeled as the state of cutting out after all VPN routes, and the routing iinformation of the RD of needs migration is carried out burin-in process;
In embodiments of the present invention, burin-in process specifically comprises:
S51, first bgp process has backed up under the RD that is labeled as the state of cutting out after all VPN routes, receive the deletion notice that sends the deletion distributing information relevant with distribution module to the reception of neighbours' route and distribution module and VRF route with the described RD that needs migration, to RD distribution decision-making module send the aging and described RD that need move relevant aging notice;
S52 after reception of neighbours' route and distribution module and the reception of VRF route are received the deletion notice with distribution module, deletes the described relevant distributing information of RD that need move respectively; Wherein,
Aging can be the direct original distributing relationship that will move RD of deletion, and that receives the VPN route of move RD that comprises that neighbours or VRF send once more, just inquires about to RD distribution decision-making module again, is distributed to second bgp process again;
Aging also can be directly the original distributing relationship that will move RD to be updated to up-to-date distributing relationship, receives the VPN route of moving RD that comprises that neighbours or VRF send so once more, just directly is distributed to second bgp process;
After RD distribution decision-making module receives aging notice, wear out and the relevant distributed intelligence of RD that needs migration, notify second bgp process after aging the finishing; Wherein,
Aging purpose is when receiving the distributing position of this RD of inquiry once more, returns the purpose BGP (being second bgp process in this example) of RD migration.In aging process, can temporarily not respond inquiry, response again after aging the finishing at this RD; Also can in aging process,,, therefore route can be received again one time, losing of route can be do not caused because of the level and smooth again route of meeting after aging with old distributed intelligence response inquiry.
S6, first bgp process notifies the second bgp process VPN route backup to finish after finishing the processing of aging RD distributed intelligence;
S7, after second bgp process confirms that the VPN route backup of all backups is finished, for example the VPN route of all backups is all with after finishing routing, upgrade transmitting, and the incision mark of deletion migration RD notifies the routing iinformation migration of the RD that first bgp process need move to finish after deletion is finished;
S8, the first bgp process delete flag is RD and following all VPN routes thereof of the state that cuts out.
If the transition process failure, for example second bgp process is restarted, and then first bgp process, second bgp process, route distribution module and RD distribution control module all will return to the preceding state of migration.
In embodiments of the present invention, the user can be according to business development, and which bgp process control RD moves in, also can system detects the load of bgp process automatically, when reaching certain condition, triggers RD and route and moves to other bgp process; Move to the process of destination entity (second bgp process) from source entity (first bgp process) in RD distributed intelligence and relevant routing iinformation, create virtual RD distributed intelligence at destination entity, keep the routing iinformation under this RD in the source entity, do not delete these routes in the source entity simultaneously; Destination entity receive that source entity sends to should moving whole routes under the RD, and after finishing routing, source entity could be deleted these routes; In the time of source entity migration RD and routing iinformation, be not directly to delete RD and routing iinformation, route is in transition state under this RD but only be provided with, and knows that migration finishes just can delete route and relevant information under this RD fully.In whole transition process, not disconnection of bgp neighbor session, after the migration failure, source entity and destination entity can return to the state before the migration, can not impact business.
Based on above-mentioned a kind of method of moving routing iinformation, corresponding, the embodiment of the invention also provides the device of migration routing iinformation, and as shown in Figure 3, device comprises:
First mark module 31 is used for when determine need be with RD when first bgp process be moved to second bgp process, and described first bgp process will need the RD that moves to be labeled as the state of cutting out, and retention marker is the routing iinformation of the needs migration RD of the state that cuts out;
Transferring module 32 is used for first bgp process RD that described mark module 31 is labeled as the state of cutting out is moved to second bgp process;
First backup module 33 is used for mark module 31 is labeled as under the RD of the state of cutting out all VPN route backups to second bgp process;
Burin-in process module 34 is used for backup module 33 and has backed up under the RD that is labeled as the state of cutting out after all VPN routes, and the routing iinformation of the RD of needs migration is carried out burin-in process;
First notification module 35 is used for after finishing burin-in process, notifies second bgp process;
First removing module 36, be used to receive the notification message that the migration of second bgp process finishes after, delete flag is the RD of the state that cuts out and all VPN routes down thereof.
Wherein, burin-in process module 34 specifically also comprises:
The deletion notification module, being used for backup module 33 has backed up under the described RD that is labeled as the state of cutting out after all VPN routes, receive the deletion notice that sends the deletion distributing information relevant with distribution module with the RD that needs migration to the reception of neighbours' route and distribution module and VRF route, after making reception of reception of neighbours' route and distribution module and VRF route and distribution module receive the deletion notice, the relevant distributing information of RD of deleting respectively and need moving;
Aging notification module, being used for backup module 33 has backed up under the described RD that is labeled as the state of cutting out after all VPN routes, send aging relevant with the RD that needs to move aging notice to RD distribution decision-making module, after making RD distribution decision-making module receive aging notice, wear out and the relevant distributed intelligence of RD that needs migration;
In addition, in the present embodiment, the moving apparatus of this RD can also comprise that first recovers module 47, fails if be used for transition process, and the preceding state of migration is arrived in each module recovery in the moving apparatus of this RD.
With reference to figure 4, the schematic representation of apparatus that the another kind that illustrating embodiments of the invention provides moves routing iinformation, device comprises:
Second removing module 44 is used to receive the notice that first bgp process is finished the processing of aging RD distributed intelligence, confirms to be labeled as backup VPN routes all under the RD of incision state all with after finishing routing, upgrading forwarding, the incision mark of deletion migration RD;
In addition, in the present embodiment, the moving apparatus of this RD comprises that also second recovers module 46, fails if be used for transition process, and the preceding state of migration is arrived in each module recovery in the moving apparatus of this RD.
Based on the above-mentioned a kind of method of routing iinformation and device of migration routing iinformation of moving, system to the migration routing iinformation carries out inventive function enhancing description below, as shown in Figure 1, described RD distributed communication system comprises: reception of neighbours' route and distribution module, the reception of VRF route and distribution module, RD distribution decision-making module, first bgp process and second bgp process:
First bgp process, be used for when determine need be with a RD when first bgp process be moved to second bgp process, described first bgp process is labeled as the state of cutting out with described RD, keeps the routing iinformation of described RD, and the RD that is labeled as the state of cutting out is moved to described second bgp process; And traversal is labeled as all VPN routes under the RD of the state of cutting out, with all VPN route backups under the described RD that is labeled as the state of cutting out to second bgp process, when having backed up under the described RD that is labeled as the state of cutting out after all VPN routes the processing of the RD distributed intelligence relevant of wearing out with migration RD;
Second bgp process, be used to receive the RD that first bgp process sends, preserve the RD that receives and be labeled as the incision state, finish the notice of the processing of aging RD distributed intelligence when receiving first bgp process, confirm to be labeled as backup VPN routes all under the RD of incision state all with after finishing routing, upgrading forwarding, the incision mark of deletion migration RD; After deletion is finished, notify first bgp process to handle migration and finish;
Neighbours' route receives and distribution module, be used in wear out process with the processing of the relevant RD distributed intelligence of migration RD of first bgp process, first bgp process has backed up under the described RD that is labeled as the state of cutting out after all VPN routes, receive the deletion notice of deletion that first bgp process sends RD distributing information relevant, and delete and move the relevant RD distributing information of RD according to the deletion notice with migration RD;
The VRF route receives and distribution module, in first bgp process wears out process with the processing of the relevant RD distributed intelligence of migration RD, first bgp process has backed up under the described RD that is labeled as the state of cutting out after all VPN routes, receive the deletion notice of deletion that first bgp process sends RD distributing information relevant, and delete and move the relevant RD distributing information of RD according to the deletion notice with migration RD;
RD distribution decision-making module, in first bgp process wears out process with the processing of the relevant RD distributed intelligence of migration RD, first bgp process has backed up under the described RD that is labeled as the state of cutting out after all VPN routes, receive the aging notice of the aging of first bgp process transmission RD distributing information relevant with migration RD, wear out and the relevant RD distributed intelligence of migration RD according to aging notice, and after aging finishing, notify second bgp process.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential hardware platform, can certainly all implement by hardware.Based on such understanding, all or part of can the embodying that technical scheme of the present invention contributes to background technology with the form of software product, this computer software product can be stored in the storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
Below only be preferred embodiment of the present invention, or not within the spirit and principles in the present invention not all in order to restriction the present invention, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. a method of moving routing iinformation is characterized in that, when the routing iinformation of the Route Distinguisher RD that comprises the needs migration that the first Border Gateway Protocol (BGP) process need be handled was moved to second bgp process, described method comprised:
The described RD of migration that needs is moved to described second bgp process;
Travel through all VPN (virtual private network) VPN routes under the described RD that needs to move, all VPN route backups under the described RD that needs to move are arrived described second bgp process;
Backed up under the described RD that needs migration after all VPN routes, the described routing iinformation of the RD of migration that needs has been carried out burin-in process, and after burin-in process is finished, notify described second bgp process;
After receiving the notice that described second bgp process finishes to the described routing iinformation migration that needs the RD of migration, delete described RD and following all VPN routes thereof that need migration.
2. the method for migration routing iinformation according to claim 1 is characterized in that, before described RD with described needs migration is moved to described second bgp process, also comprises: the RD of described needs migration is labeled as the state of cutting out.
3. the method for migration routing iinformation according to claim 1 is characterized in that, when described routing iinformation as the RD that comprises the needs migration that first bgp process need be handled is moved to second bgp process, specifically comprises:
When detecting routing iinformation that described first bgp process handles and surpass preset threshold value, select described second bgp process to handle to comprise the routing iinformation of the RD that needs move; Perhaps
Receive trigger command, move to described second bgp process from described first bgp process according to the described routing iinformation that comprises the RD of needs migration of described trigger command indication.
4. a method of moving routing iinformation is characterized in that, when the routing iinformation of the RD that comprises the needs migration that the first Border Gateway Protocol (BGP) process need be handled was moved to second bgp process, described method comprised:
Receive the described RD that needs migration that described first bgp process sends;
All VPN routes under the described RD that needs migration that backs up that described first bgp process sends;
Finish notice in the backup that receives described first bgp process transmission, confirm that the VPN route backup of all backups finishes, notify after the affirmation that described first bgp process is described to need the routing iinformation migration of the RD of migration to finish so that the deletion of described first bgp process described need migration RD and all VPN routes down thereof.
5. the method for migration routing iinformation according to claim 4 is characterized in that,
Behind the described RD that needs to move that described first bgp process of described reception sends, also comprise: the RD of the described needs migration that will receive is labeled as the incision state;
After the VPN route backup of described all backups of affirmation is finished, also comprise: the incision mark of deleting the RD of described needs migration.
6. a device that moves routing iinformation is characterized in that, comprising:
Transferring module is used for when the routing iinformation of the RD that comprises the needs migration that the first Border Gateway Protocol (BGP) process need be handled is moved to second bgp process described RD of migration that needs being moved to described second bgp process;
First backup module is used for all VPN route backups under the RD of described needs migration to second bgp process;
The burin-in process module is used under the RD that described backup module backed up the migration of described needs after all VPN routes the described routing iinformation of the RD of migration that needs being carried out burin-in process;
First notification module is used for after finishing burin-in process, notifies second bgp process;
First removing module, be used to receive the notice that described second bgp process finishes to the routing iinformation migration of the RD of described needs migration after, delete described RD and following all VPN routes thereof that need migration.
7. the device of migration routing iinformation according to claim 6 is characterized in that, also comprises:
First mark module is used for the RD of described needs migration is labeled as the state of cutting out, and keeps the described routing iinformation that is labeled as the needs migration RD of the state of cutting out.
8. according to the device of claim 6 or 7 described migration routing iinformations, it is characterized in that described burin-in process module specifically comprises:
The deletion notification module, be used to have backed up under the RD of described needs migration after all VPN routes, receive the deletion that sends the deletion distributing information relevant with distribution module to the reception of neighbours' route and distribution module and route forwarding table VRF route and notify with the described RD that needs migration;
Aging notification module is used to have backed up under the RD of described needs migration after all VPN routes, to RD distribution decision-making module send the aging and described RD that need move relevant aging notice.
9. according to the device of each the described migration routing iinformation in the claim 6～8, it is characterized in that, also comprise: the first recovery module is used for when the transition process failure the preceding state of migration being arrived in each module recovery in the device of described migration routing iinformation.
10. a device that moves routing iinformation is characterized in that, comprising:
Receiver module is used for receiving the described RD that needs migration that described first bgp process sends when the routing iinformation of the RD that comprises the needs migration that the first Border Gateway Protocol (BGP) process need be handled is moved to second bgp process;
Second backup module is used to back up all the VPN routes under the RD that described needs that described first bgp process sends move;
Second notification module, be used for finishing notice in the backup that receives described first bgp process transmission, confirm that the VPN route backup of all backups finishes, notify after the affirmation that described first bgp process is described to need the routing iinformation migration of the RD of migration to finish so that the deletion of described first bgp process described need migration RD and all VPN routes down thereof.
11. the device of migration routing iinformation according to claim 10 is characterized in that, also comprises:
Second mark module is used for the RD that the described needs that receiver module receives move is labeled as the incision state;
12. the device according to claim 10 or 11 described migration routing iinformations is characterized in that, also comprises: the second recovery module is used for when the transition process failure the preceding state of migration being arrived in each module recovery in the device of described migration routing iinformation.
13. a system that moves routing iinformation is characterized in that, comprising: first bgp process and second bgp process, wherein when the routing iinformation that comprises the RD that needs move that the first Border Gateway Protocol (BGP) process need be handled is moved to second bgp process,
Described first bgp process is used for the RD of described needs migration is moved to described second bgp process; Travel through all VPN routes under the described RD that needs to move, all VPN route backups under the described RD that needs to move are arrived described second bgp process; Backed up under the described RD that needs migration after all VPN routes, the described routing iinformation of the RD of migration that needs has been carried out burin-in process, and after burin-in process is finished, notify described second bgp process; After receiving the notice that described second bgp process finishes to the described routing iinformation migration that needs the RD of migration, delete described RD and following all VPN routes thereof that need migration;
Described second bgp process is used to receive the RD that described needs that described first bgp process sends move; All VPN routes under the described RD that needs migration that backs up that described first bgp process sends; Finish notice in the backup that receives described first bgp process transmission, confirm that the VPN route backup of all backups finishes, notify after the affirmation that described first bgp process is described to need the routing iinformation migration of the RD of migration to finish so that the deletion of described first bgp process described need migration RD and all VPN routes down thereof.
14. the system of migration routing iinformation according to claim 13 is characterized in that,
Described first bgp process also is used for the RD of described needs migration is labeled as the state of cutting out;
Described second bgp process, the RD that the described needs that also are used for receiving move is labeled as the incision state; And after the VPN route backup of confirming all backups finishes, delete the described incision mark that needs the RD that moves.
15. the system according to claim 13 or 14 described migration routing iinformations is characterized in that, also comprises:
Neighbours' route receives and distribution module, be used to receive the deletion notice of the deletion that sends after all VPN routes under the RD that described first bgp process backed up described needs migration distributing information relevant, and notify according to described deletion and to delete and the relevant distributing information of RD that described needs move with the RD of described needs migration;
The VRF route receives and distribution module, be used to receive the deletion notice of the deletion that sends after all VPN routes under the RD that described first bgp process backed up described needs migration distributing information relevant, and notify according to described deletion and to delete and the relevant distributing information of RD that described needs move with the RD of described needs migration;
RD distribution decision-making module, be used to receive the aging notice of the relevant distributing information of RD that the aging and described needs that send after all VPN routes under the RD that described first bgp process backed up described needs migration move, and, notify described second bgp process after aging the finishing according to the relevant distributed intelligence of RD that the aging and described needs of described aging notice move.
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| CN2009101094768A CN101997756A (en) | 2009-08-19 | 2009-08-19 | Method, device and system for migrating routing information |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199990A (en) * | 2013-04-16 | 2013-07-10 | 杭州华三通信技术有限公司 | Method and device for routing protocol authentication transfer |
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2009
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199990A (en) * | 2013-04-16 | 2013-07-10 | 杭州华三通信技术有限公司 | Method and device for routing protocol authentication transfer |
| WO2014169735A1 (en) * | 2013-04-16 | 2014-10-23 | Hangzhou H3C Technologies Co., Ltd. | Routing protocol authentication migration |
| CN103199990B (en) * | 2013-04-16 | 2016-04-06 | 杭州华三通信技术有限公司 | A kind of method and apparatus of Routing Protocol certification migration |
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Application publication date: 20110330 |