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BGP route identification method, device and equipment

An identification method and routing technology, applied in the field of communication, can solve the problems of network security, hijacking of BGP routes, failure to detect route hijacking in time, etc., and achieve the effect of improving network security

Active Publication Date: 2021-12-14
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In practical applications, attackers often hijack BGP routes and forge BGP routes. The BGP route propagation mechanism in the prior art cannot detect route hijacking in time, resulting in potential network security risks.

Method used

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

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Embodiment Construction

[0082] The network architecture and business scenarios described in the embodiments of this application are to illustrate the technical solutions of the embodiments of this application, and do not constitute limitations on the technical solutions provided by the embodiments of this application. Those of ordinary skill in the art know that with the evolution of network architecture With the emergence of new business scenarios, the technical solutions provided by the embodiments of this application are also applicable to similar technical problems.

[0083] First, the concepts involved in the embodiments of this application are explained:

[0084] (1) Autonomous System (Autonomous System, AS): In the Internet, an AS is a network unit that has the right to independently decide which routing protocol should be used in the system. This network unit can be a simple network or a network group composed of one or more common networks, which is a single manageable network unit (for exam...

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Abstract

The BGP route identification method, device, and device provided by the embodiments of the present application. The network device obtains a BGP route, the BGP route includes the AS_PATH attribute of the autonomous system path, the AS_PATH attribute includes the first autonomous system number AS number, and the AS number corresponding to the autonomous system where the network device is located or under its jurisdiction is the second AS number, the first AS number is equal to the second AS number; the network device determines whether the BGP route is abnormal according to the first AS number and the second AS number, so that the route can be discovered in time Abnormal loop routing caused by hijacking and other reasons improves network security.

Description

technical field [0001] The embodiments of the present application relate to the technical field of communications, and in particular, to a BGP route identification method, device, and equipment. Background technique [0002] An autonomous system (Autonomous System, AS) is a network unit that can independently decide which routing protocol to use within the system, and each autonomous system corresponds to a globally unique autonomous system number (AS number). Border Gateway Protocol (BGP) is used to propagate routing information between different autonomous systems. Each autonomous system includes at least one routing device, and one of the routing devices is used as the BGP speaker (BGPSpeaker) of the autonomous system to establish a BGP session with BGP Speakers in other autonomous systems, and implement routing information propagation through the BGP session. [0003] The BGP route propagated between different autonomous systems includes an autonomous system path attrib...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
CPCH04L63/1466H04L63/1425H04L45/04H04L45/18H04L45/021H04L45/22
Inventor 庄顺万王海波顾钰楠闫刚李振斌
Owner HUAWEI TECH CO LTD