Updating state in edge routers

A state updating messages' method in the edge router and edge router and edge router is a network signalling message. To a data session from the source via multiple autonomous system in the manner of destination's from the source. A serving and bottom edge router's router edge of the router is renovated the network signalling message. The router edge is a network signalling message comprises a data session's identifier, the output end of the router is as follows message the identifier of the router and method for indicating in the manner of the edge of the router is a message of with the edge router used. A second; the edge router is a network signalling message - comprising an process tabulations of multiple AS front for modifying.