In this model,the P2P network is separated into areas by the ASN,adopts OSPF to optimize the routing table and expedites convergence within area.

• 该模型依据自治系统号划分区域,区域内采用OSPF路由协议优化路由和加快收敛速度。该模型中心服务器只需记录各区域提供的共享资源名,可以大大地节省存储空间;