公开(公告)号：US07564802B2

公开(公告)日：2009-07-21

申请号：US11089801

申请日：2005-03-25

申请人： Bala Andrapalliyal ,  Frank Feather ,  Tejas Naik

发明人： Bala Andrapalliyal ,  Frank Feather ,  Tejas Naik

IPC分类号： H04L12/28 ,  H04L12/56

CPC分类号： H04L12/4679

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.

摘要翻译： 客户边缘（CE）路由器到虚拟专用网络路由转发（VRF）表的最佳分配方法使用“对等模型”，其中CE路由器将路由器通信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。 这是以确保来自不同VPN的路由保持不同和分离的方式来实现的，即使两个VPN包括重叠的地址空间。 PE路由器向特定VPN中的CE路由器分发来自该VPN中其他CE路由器的路由。 CE路由器不相互对等，因此VPN的路由算法没有可见的“覆盖”。

公开(公告)号：US20060215578A1

公开(公告)日：2006-09-28

申请号：US11089801

申请日：2005-03-25

申请人： Bala Andrapalliyal ,  Frank Feather ,  Tejas Naik

发明人： Bala Andrapalliyal ,  Frank Feather ,  Tejas Naik

IPC分类号： H04L12/28

CPC分类号： H04L12/4679

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.