| 摘要 |
PROBLEM TO BE SOLVED: To speed up and streamline the acquisition of target information in pure P2P communication in a simpler procedure. SOLUTION: For the execution of replication, a history information generation part 6a generates history information associating filenames and IP addresses of destination servants, a publication processing part 6b transmits the history information to other servants specified in a predetermined procedure, and a history information storage processing part 6c, when receiving such history information from other servants, stores the history information in a memory 5. For the transmission of a file search request packet, if a history information reference part 6d finds a search request target file by reference to the history information stored in the memory 5, a packet generation/transmission processing part 6e transmits a download request packet to the servant of the associated IP address. COPYRIGHT: (C)2006,JPO&NCIPI
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