Working with a small test network, we wanted to demonstrate various load-balancing scenarios with Routing Information Protocol (RIP) and Open ShortestPath First (OSPF).
In this paper, all the relay routers are taken as a virtual node by assigning them an anycast address which is accessed along the shortestpath by anycast routing.
为所有中继路由器分配一个泛播地址，将它们当作一个逻辑节点，借助泛播路由以最短路径到达该逻辑节点。
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Other IP Multicast protocols rely on certain routing protocols, such as routing Information protocol or Open ShortestPath First.