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在MPLSVPN(MultiProtocolLabelSwitch,VirtualPrivateNetwork)网络中,当PE(ProviderEdgeRout er)向边缘方向扩展时,需要维护更多的路由条目,大量浪费了开支和带宽利用率。为此采用MPLSVPN的PE分层体系结构HoPE(HierarchyofPE)解决方案,给出了实际组网设计和具体参数的配置。结果表明,该设计成功搭建了安全可靠,能够承载数据、语音、视频等多媒体业务并能满足政府业务需求的多功能电子政务平台。其MPE(Middle levelPE)路由表条目缩小了90%,CPU利用率由38%降低到6%;UPE(Underla yerPE)设备路由表条目缩小了99%,CPU利用率由35%降低到5%;网络投资降低了89%。
In a Multiprotocol Label Switching (MPLS VPN) network, when a Provider Edge Edge (PE) expands in the edge direction, more routing entries need to be maintained, which consumes a lot of expense and bandwidth. For this reason, the PE hierarchical structure HoPE (Hierarchy of PE) solution of MPLSVPN is adopted, and the actual networking design and the configuration of specific parameters are given. The results show that the design successfully builds a multi-functional e-government platform that is safe and reliable, capable of carrying multimedia services such as data, voice and video, and meeting the needs of government services. Its Middle LevelPE routing table entries are reduced by 90%, CPU utilization is reduced from 38% to 6%, UPE (Underlamination) routing table entries are reduced by 99%, and CPU utilization is reduced from 35% to 5%. Network investment decreased by 89%.