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1. (WO2010113400) DATA REPLICATION SYSTEM AND CLIENT DEVICE THEREOF

Pub. No.:    WO/2010/113400    International Application No.:    PCT/JP2010/001880
Publication Date: Fri Oct 08 01:59:59 CEST 2010 International Filing Date: Wed Mar 17 00:59:59 CET 2010
IPC: G06F 13/00
Applicants: NEC CORPORATION
日本電気株式会社
KASHIWAGI, Takehiko
柏木岳彦
KAMIMURA, Junpei
上村純平
Inventors: KASHIWAGI, Takehiko
柏木岳彦
KAMIMURA, Junpei
上村純平
Title: DATA REPLICATION SYSTEM AND CLIENT DEVICE THEREOF
Abstract:
Provided is a client device which enables an effective data access to a content delivery server. The client device (10) is provided with a client function unit (101) which receives an acquisition request of content data; an access cost reference table (CRT) which records access cost values; a content information table (CIT) which records locations of nodes storing content data on a communication network; and a server searching unit (102) which refers to the access cost reference table and the content information table, and selects an i-th server among N pieces of server devices. The client function unit (101) performs a data access request of content data to the i-th server.