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边界网关协议 BGP( border gateway protocol)是 Internet上用于自治系统之间交换路由信息的动态路由协议 .介绍了在清华大学研制的国产高性能路由器中分布式路由协议 BGP- 4的具体实现 .为了实现这一复杂的动态协议 ,提出基于事件驱动的设计和实现方法 .事件驱动机制能够精确地反映网络报文交换行为的实现机制 ,因而很适合 Internet高层协议的实现 .该方法也可以用于实现其他的 Internet高层协议 .
Border gateway protocol (BGP) is a dynamic routing protocol for exchanging routing information between autonomous systems on the Internet.The paper introduces the implementation of BGP-4, a distributed routing protocol developed by Tsinghua University, To achieve this complex dynamic protocol, an event-driven design and implementation method is proposed.Event-driven mechanism can accurately reflect the mechanism of network packet exchange behavior and is therefore suitable for the implementation of Internet high-level protocols.This method can also be used to implement Other Internet high-level agreements.