Patent ID: 8509217

Claim:
A method for establishing a route of a connection, comprising: configuring a route relation group on a service node responsible for route calculation, the route relation group comprising a connection in which the service node is contained and other connections having route relation with the connection; and when a route of a connection is requested to be established, the service node responsible for route calculation confirming the route of the connection according to the route relation group configured on the service node, and then establishing the route of the connection, wherein the step of configuring a route relation group on a service node responsible for route calculation specifically comprises: classifying connections into a corresponding route relation group according to route relation between connections; storing a label of the route relation group in route resource information of each connection in the route relation group; and configuring information of the route relation group and route resource information of all the connections in the route relation group on the service nodes of each connection in the route relation group which are responsible for route calculation.