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Border gateway protocol improvement method and device based on stability and security

A border gateway protocol and stable technology, applied in the Internet field, can solve problems such as harm, protocol manipulation attacks, and BGP attributes cannot be guaranteed, and achieve the effects of improving security, defending against protocol manipulation attacks, and flexible and easy configuration

Active Publication Date: 2018-11-13
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even in a "safe" network environment with an encryption mechanism, it is still possible to launch a protocol manipulation attack, making some basic properties in BGP unguaranteed, such as network reachability and policy consistency, causing serious harm

Method used

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  • Border gateway protocol improvement method and device based on stability and security
  • Border gateway protocol improvement method and device based on stability and security
  • Border gateway protocol improvement method and device based on stability and security

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Embodiment Construction

[0033] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0034] The method and device for improving the border gateway protocol combining stability and security according to the embodiments of the present invention will be described below with reference to the accompanying drawings. First, the border gateway protocol combining stability and security proposed according to the embodiments of the present invention will be described with reference to the accompanying drawings ways to improve.

[0035] figure 1 It is a flowchart of a method for improving a border gateway protocol ...

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Abstract

The invention a border gateway protocol improvement method and device based on stability and security. The method comprises the steps of adding security root cause information labeling a BGP route updating origin to each notification route; calculating a route stability indicator according to both the security root cause information and route AS_PATH information; and adding the stability indicatorto a BGP route determining process, so as to lower the priority of a malicious protocol attack path. The method balances stability and security of BGP, suppresses route jitter and improves protocol security, prevents the protocol from controlling attacks, uses a simple principle, is flexible in configuration and is easy to realize.

Description

technical field [0001] The invention relates to the technical field of the Internet, in particular to a border gateway protocol improvement method and device combining stability and security. Background technique [0002] The Internet is divided into tens of thousands of different administrative areas, called AS (AutonomousSystem, autonomous system). Each autonomous system usually follows a set of exclusive routing policies and is connected to one or more other autonomous systems. An internal gateway protocol (IGP) such as ISIS or OSPF can be used to communicate within an autonomous system, while communication between autonomous systems is completed by a border gateway protocol (BGP). Table 1 lists the steps of the routing decision-making process in descending order of priority. As shown in Table 1, BGP is a routing protocol based on attribute vectors, and BGP routers select the best route based on these attributes. [0003] Table 1 [0004] [0005] BGP is a decentral...

Claims

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Application Information

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IPC IPC(8): H04L12/721H04L29/06
CPCH04L45/14H04L63/1441
Inventor 徐明伟孙晓梅李琦杨芫
Owner TSINGHUA UNIV
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