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BGP route oscillation suppression technology based on cause analysis

Author: PanDeng
Tutor: Zuoï¼›ZhangYanFang
School: University of Electronic Science and Technology
Course: Software Engineering
Keywords: Border Gateway Protocol Inter-Domain Routing Route flapping Route convergence
CLC: TP393.04
Type: Master's thesis
Year: 2010
Downloads: 42
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Abstract


In the research Internet inter-domain routing protocol , BGP protocol as a standard , in order to achieve their respective business goals , it allows the managers of the autonomous system develop arbitrarily complex routing management strategy , and each autonomous system can be developed accordingly strategy as the basis for an independent to other autonomous systems , the issue of routing information . With the rapid development of Internet and communication networks and broadcast networks are gradually evolve and integrate together to become a public telecommunication infrastructure , in the process , the importance of the BGP protocol is also becoming increasingly apparent , the research also becomes more and more related research , however , indicates that the BGP routing policy in certain circumstances , conflicts may arise , which will cause routing oscillation caused by the arrival of routing information is constantly updated in the routing table , which is largely indirect or directly affect the performance of the play over the Internet . Therefore, in the study of the BGP protocol , routing stability , the future development of the Internet has important practical significance . BGP policy configuration domain routing oscillation , slow convergence , path of growth and inter-domain routing oscillation inter-domain routing stability issues have been studied , the main contents include : 1. The BGP shock suppression technology introduced in detail , gives a BGP abstract model to analyze the causes route flapping and the traditional solution for shock suppression of the two methods . A simple introduction to the basic framework of the the SSFnet network simulation software and simulation theory , to lay the foundation for the next step of the simulation . 2 is proposed and the a BGP fast convergence of the algorithm, and by means of SSFNet simulation tools to verify the superiority of the algorithm proposed in this paper . Simulation results show that the use of the fast convergence of the proposed algorithm , the network convergence time and average network convergence time only the current default the BGP implementation time 40 % or less , which to some extent reduce the BGP route flapping . Based BGP routing policy conflict to avoid shocks based on RRS ( Recursive Random Search ) Search BGP policy conflict avoidance scheme to detect BGP policy conflict , to avoid routing legitimate occurrence .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > General issues > Communication protocols, communication protocols
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