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Method for optimal assignment of customer edge (CE) routers to virtual private network route forwarding (VRF) tables
Method for optimal assignment of customer edge (CE) routers to virtual private network route forwarding (VRF) tables
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机译:将客户边缘(CE)路由器最佳分配给虚拟专用网络路由转发(VRF)表的方法
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摘要
A method for optimal assignment of customer edge (CE) routers to virtual private network route forwarding (VRF) tables uses a “peer model”, in which the CE routers communicate their routes to a Service Provider's edge routers (PE routers). The routes of a particular VPN are then exchanged among the PE routers that are attached to that VPN. This is accomplished in a manner which ensures that routes from different VPNs remain distinct and separate, even if two VPNs comprise an overlapping address space. The PE routers distribute, to the CE routers in a particular VPN, the routes from other CE routers in that VPN. The CE routers do not peer with each other and, as such, there is no “overlay” visible to a VPN's routing algorithm.
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