Patent ID: 7110367
Filing Date: 2006-09-19
Classification: H04L,H04W

Abstract:
1. A routing control system for use in a network having a plurality of nodes, said nodes including at least one master node and at least two slave nodes, said routing control system comprising: a spanning tree producing portion provided in said master node which produces a spanning tree of said network based on connection information of said network and which delivers said spanning tree to each slave node whenever said connection information is received; a memorizing portion provided in each of said nodes which memorizes said spanning tree delivered from said spanning tree producing portion as a routing table; and a health check portion provided in each of said nodes which sends said connection information to said spanning tree producing portion when a topology change of said network is detected; wherein said a spanning tree comprises a representation of a topology of said network and comprises connection information regarding at least one node that is not directly connected to said master node.