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Method for optimal assignment of customer edge (CE) routers to virtual private network route forwarding (VRF) tables

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

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.
机译:一种将客户边缘(CE)路由器最佳分配给虚拟专用网络路由转发(VRF)表的方法使用“对等模型”,其中CE路由器将其路由传送到服务提供商的边缘路由器(PE路由器)。然后,在连接到该VPN的PE路由器之间交换特定VPN的路由。这可以确保即使两个VPN包含重叠的地址空间,也可以确保来自不同VPN的路由保持不同且分开。 PE路由器将来自该VPN中其他CE路由器的路由分配到特定VPN中的CE路由器。 CE路由器不会互相对等,因此,VPN路由算法没有可见的“覆盖”。

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