面向Trunk技术的网络拓扑发现算法研究  

Research of Trunk Technology Oriented Topology Discovery Algorithm

作　　者：李丹程[1] 马东琳[1] 韩春燕[1] 刘益先[1] 

机构地区：[1]东北大学软件学院,沈阳110819

出　　处：《小型微型计算机系统》2012年第11期2435-2441,共7页Journal of Chinese Computer Systems

基　　金：辽宁省科技项目博士启动基金项目(20111001)资助;中央高校基本科研业务费项目(N110417004)资助;辽宁省科技攻关项目(2011216027)资助

摘　　要：随着企业组网模式的大型化、复杂化及VLAN技术在交换层网络中的广泛应用,当前交换层拓扑发现算法在拓扑发现效率及普适性上存在诸多问题,本文分析Trunk技术特点,提出一种结合地址转发表与Trunk信息的网络拓扑发现算法,该算法提高了网络拓扑发现算法运行效率及发现结果准确性,此外,算法对多厂商数据进行分析使其对当前主流的多VLAN交换网络拓扑有着更强的适应性并能够准确给出网络逻辑拓扑连接关系,同时,给出了算法的实现方法及园区网测试的结果.With the enterprise＇s network being a large scale and complex,along with VLAN technology getting widely used in data-link layer network,the current topology discovery algorithm has weakness in discovery efficiency and adaptability.This paper analyzes the Trunk technical characteristics combining with address forwarding information and the Trunk network to come up with a new topology discovery algorithm,the algorithm improves the network topology discovery algorithm operating efficiency and accuracy of the results found,In addition,the algorithm analyzing multi-vendor data so that the algorithm will be suit for the current mainstream of multi-VLAN switching network topology and it will give a logical connection information,at the same time,this paper presents the test results of algorithm implementation in a campus network.

关 键 词：TRUNK 二层网络拓扑发现 地址转发表 计算机网络 VLAN 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]