Method, device and system for router cancellation

The invention relates to the field of communication and discloses a method, device and system for router cancellation. When a router is cancelled, the relevant information of the router cancellation is carried in a router update message, and the router is cancelled according to the relevant information of the router cancellation, thereby the BGP (Border Gateway Protocol) path detecting process is avoided, the network-topological convergence time is shortened, and furthermore, the specific router cancellation under the scene of BGP multiple routers can be supported through the identification information of the router cancellation carried by the update message; a group of routers with the same characteristics can be cancelled in batches through the characteristic information of the batch router cancellation carried by the update message; and the cooperation between BGP peers can be optimized through the strategic information of the router cancellation carried by the update message, and the quality and the performance of a network are improved.