Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yuhichi Nakamura0
Gaku Yamamoto0
Hideki Tai0
Date of Patent
March 3, 2009
0Patent Application Number
097139290
Date Filed
November 16, 2000
0Patent Primary Examiner
Patent abstract
A system and method thereby each of a plurality of agent servers keeps and manages history of movement. Each of the agent servers temporarily stores requests for updates of location information of a mobile agent associated to accumulated number of movement of the mobile agent and periodically sends it to a registration server so that no congestion will occur in accessing the registration server. The registration server renews location information of a mobile server only with the request for update of a higher accumulated number of movements so as not to overwrite newer information with older information.
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