Patent ID: 7587221

Claim:
A communication method of a computer system including wireless terminals, wireless base stations connected to said wireless terminals through a wireless communication network, and a name server and a task server connected to said wireless base stations through said communication network, wherein, when said wireless terminal exists within a communication range of said wireless base station: said wireless base station generates a relay service identifier for a relay service of said wireless terminal and executes registration management of a correspondence relation of a set of an identifier of said wireless terminal and said relay service identifier generated; said name server executes registration management of a set of an identifier of said wireless base station executing the registration management of the set of the correspondence relation and said relay service identifier managed by said wireless base station; and said wireless terminal connected to said wireless communication network is accessed from said task server connected to said communication network through said base station, and wherein said name server manages a correspondence relation of an entity identifier of an entity accompanied by said wireless terminal and the identifier of said wireless terminal; and when said task service of said task server looks up said wireless terminal by using said entity identifier of said entity accompanied by said wireless terminal, said task service sends entity identifier to said name server and asks an identifier solution, and said name server asked for the identifier solution retrieves the identifier of said wireless terminal from said entity management means by using said entity identifier accompanying said request, retrieves the relay service identifier by using the identifier of said wireless terminal retrieved and sends it as a response to said task service.