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Processing method for BGP load sharing medium route

A technology of load sharing and processing method, applied in the field of network communication, can solve the problem of not providing an update processing process, and achieve the effect of improving the efficiency of routing update

Inactive Publication Date: 2007-04-18
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] It can be seen that when one of the sent routes changes, the revocation message is only sent according to the above scheme, but no corresponding update process is provided. One of the next hops changes for routing update processing

Method used

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  • Processing method for BGP load sharing medium route
  • Processing method for BGP load sharing medium route

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Embodiment Construction

[0033] The purpose of the present invention is to improve the characteristics of sending multiple routes by BGP when the next hop changes, only sending a message to the neighbor entity once can realize corresponding processing.

[0034] Firstly, the main processing in the implementation process of the present invention will be described below.

[0035] In the present invention, when the next-hop route changes, corresponding update processing is performed by adding the next-hop information before the route change in the update (update) message of BGP. When the receiving end processes the update message of the next hop change, it searches the routing table according to the next hop before the change and the routing address prefix as an index, and performs update processing according to the changed next hop information.

[0036] In order to have a further understanding of the present invention, the present invention will be described in detail below.

[0037] The method provided...

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Abstract

The invention relates to a method for processing routing next hop change in BGP load sharing, mainly comprising: when next top changes in the BGP-based load sharing system, adding nex-hop information before and after change in an updating message and transmitting the message; then, BGP neighbor entity receives the updating message and updates next hop routing information according to the next hop infoamton. On the condition that BGP sends plural routes reaching the same destination addresses to neighbors, when next hop routing changes, the method can quickly and accurately implement next hop routing information updating, effectively raising route updating efficiency.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a processing method for routing next hop changes in BGP load sharing. Background technique [0002] BGP (Border Gateway Protocol) is a dynamic routing discovery protocol between autonomous systems, and its basic function is to automatically exchange loop-free routing information between autonomous systems. Corresponding to OSPF (Open Shortest Path First) and RIP (Routing Information Protocol) and other protocols that run inside the autonomous area, BGP is a type of EGP (Edge Gateway Protocol, Edge Gateway Protocol) protocol, while OSPF and RIP are IGP (Interior Gateway Protocol, Interior Gateway Protocol). [0003] There are two types of BGP connections, specifically: IBGP (Internal BGP, internal BGP) and EBGP (External BGP, external BGP). The BGP connection established in the same AS (autonomous area) is called IBGP, and the BGP connection between different AS au...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/06
CPCH04L45/02H04L45/033
Inventor 张仁海
Owner HUAWEI TECH CO LTD
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