本文对在Windows 平台下如何实现IPSEC 的端对端通信的安全方案进行了探讨，并对具体模块设计进行了分析，为网络安全模型的系统实现提供了指导意义。关键词：IPSEC；网络安全；端对端Design of Peer-To-Peer Communication Network Security Model based on IP TechnologyABSTRACT: This paper analyzes the design problem of peer-to-peer communication networksecurity model based on IP technology, designs the material function module.KEYWORDS: IPSEC; network security; peer-to-pee