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边界网关协议 (BGP- 4 )是目前用于广域网的最主要的域间路由协议。分析了 BGP协议中链路状态信息和网络拓扑结构的关系 ,指出了路由策略对 BGP路由信息传播的影响。提出了根据具体的 BGP路由策略分析路由信息最优传播过程的方法 ,从理论上证明了方法的有效性 ,并在几种典型的拓扑结构下使用该方法分析了路由信息传播的过程和传播的信息量。成果已经用于指导实际的网络配置、管理和 BGP- 4协议的实现
Border Gateway Protocol (BGP-4) is currently the most important inter-domain routing protocol for wide area networks. The relationship between link state information and network topology in BGP is analyzed. The influence of routing policies on BGP routing information propagation is also pointed out. This paper proposes a method to analyze the routing information optimal propagation process according to the specific BGP routing strategy, and proves the validity of the method theoretically. The method is used to analyze the routing information dissemination process and propagation in several typical topologies Amount of information. The results have been used to guide the actual network configuration, management and implementation of the BGP-4 protocol