MAIN-SPARE REALIZING METHOD FOR DISPATCH SERVERS AND DISPATCH SERVER

摘要

A main-spare realizing method for dispatch servers, a dispatch server, a dispatch server system and a method for providing dispatch service by dispatch server, the main-spare realizing method for dispatch servers includes the following steps. A spare dispatch server determines whether a main dispatch server can provide the dispatch service for a client, if the main dispatch server cannot provide the dispatch service for the client, the spare dispatch server provides the dispatch service for the client using a new P2P topological relation under the condition of needing not obtain the P2P topological relation data maintained by the main dispatch server.