Way data transfer, the server-side proxy device, the client-side proxy device and program

摘要

PROBLEM TO BE SOLVED: To provide a proxy device capable of reducing a load on a network.;SOLUTION: In transfer of a reply data with new contents from a server side proxy 30 to a client side proxy 40, a hash function used in both proxies is decided, and the data, the hash function name, and a fingerprint calculated using the hash function are associated with each other and registered in a fingerprint cache. In transfer of the data registered in the fingerprint cache from the server side proxy 30 to the client side proxy 40, the hash function and the fingerprint are transferred instead of the reply data.;COPYRIGHT: (C)2003,JPO