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BGP route processing method, device and BGP equipment

A routing and optimal technology, applied in the field of communication, can solve problems such as short-term traffic interruption, achieve the effect of reducing impact, preventing traffic interruption, reducing frequency and message length

Active Publication Date: 2020-03-06
NEW H3C TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] A border gateway protocol BGP routing processing method, device and BGP equipment provided by the present invention are used to solve the short-term traffic interruption problem in the process of traffic switching back

Method used

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  • BGP route processing method, device and BGP equipment
  • BGP route processing method, device and BGP equipment
  • BGP route processing method, device and BGP equipment

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Embodiment Construction

[0044] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0045]The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term ...

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Abstract

The invention discloses a BGP (Border Gateway Protocol) route processing method, a BGP route processing device and BGP equipment. The BGP route processing method comprises the steps that a BGP protocol module performs unique identification on a sent optimal route when sending the optimal route to a network interface driver; the network interface driver records identification information of the currently optimal route after successfully refreshed the optimal route sent by the BGP protocol module to network interface hardware, and executes judgment for a first signaling triggering condition; when the first signaling triggering condition is met, the network interface driver sends first signaling to the BGP protocol module, otherwise, the network interface drive does not send the first signaling, wherein the first signaling is used for announcing the identification information of the successfully refreshed optimal route; and the BGP protocol module announces the optimal route corresponding to the identification information of the successfully refreshed optimal route announced by the first signaling to the neighbor. The BGP route processing method can solve a problem of flow interruption transiently occurred in the flow switching process, and reduce the reverse notification driving frequency and the message length. Meanwhile, the BGP route processing method reduces the impact for the existing network as far as possible and completes flow switching as soon as possible.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a BGP (Border Gateway Protocol, Border Gateway Protocol) routing processing method, device and BGP equipment. Background technique [0002] The Border Gateway Protocol (BGP) is a dynamic routing protocol that can be used not only between different ASs (Autonomous Systems, autonomous systems) but also within the same AS. The currently used BGP version is BGP-4, which is widely used by ISPs (Internet Service Providers, Internet Service Providers) as an Internet external routing protocol standard. [0003] When a BGP device is working, when it receives a route sent by its upstream neighbor, it mainly does two things: one is to flash the optimal route in the dynamic routing protocol learned by the device to the driver to guide the traffic Forwarding, the second is to advertise the optimal route in the dynamic routing protocol learned by the device to neighbors. Ideall...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/721H04L12/801
CPCH04L45/14H04L47/12
Inventor 余清炎
Owner NEW H3C TECH CO LTD
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