The key problem of cluster router is to synchronize and maintain the same forwarding tables images among routing nodes.
集群路由器要求每个路由节点必须具有完全相同的报文转发表映像，因此保证各个路由节点转发表的一致性，是集群路由器软件系统的重要问题。
参考来源 - 路由协议并行处理技术研究A cluster-based router is a single-image router constructed by multiple independent routers which are connected in a specific way. And it is promising for building next generation high performance routers.
集群路由器是由多个可独立运行的路由节点通过某种互连方式组合构成的规模可扩展的单映像路由器，是实现新一代高性能路由器的有效途径，具有广阔的发展空间。
参考来源 - 集群路由器体系结构及其关键技术的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
这两个参考模型将为集群路由器的后续研究提供参照系统、实验系统和IP流处理场景。
These models will provide reference systems, experiment systems and IP flow processing scenarios for future studies.
对于集群路由器面临的问题，本文依次从软件平台、负载模型、负载均衡、路由查找等方面展开研究。
This thesis discusses some problems of router cluster, such as software platform, traffic model, load balance, and address lookup.
如前所述，在超级集群拓扑结构中可以使用各种各样的路由器。
As mentioned earlier, various kinds of routers can be used in a super cluster topology.
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