| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To follow network information update inside/outside an AS, concerning a P4P service where a P2P distribution control server and an in-AS network information server perform efficient distribution in cooperation with each other. <P>SOLUTION: A request peer being a user which receives candidate peer information of desired content from the distribution control server transmits a peer list request to a peer information providing system 1. The peer information providing system 1 periodically receives route information to a prefix to the inside/outside of the AS from a router, manages the prefix in the latest state by association with a segment ID based on the route information, generates a peer list by making selection from the candidate peers based on the request peer and the segment IDs to which the candidate peers belong, and then provides the list to the user. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
