CONTENT DISTRIBUTION SYSTEM, IDENTIFICATION INFORMATION ALLOCATING METHOD IN CONTENT DISTRIBUTION SYSTEM, IDENTIFICATION INFORMATION ALLOCATING DEVICE IN CONTENT DISTRIBUTION SYSTEM, AND PROGRAM FOR IT

摘要

PROBLEM TO BE SOLVED: To provide a content distribution system, an identification information allocating method and an identification information allocating device in this system, and a program for the identification information allocating device for reducing a processing load in allocation of identification information to respective content data or respective node devices.;SOLUTION: In an information area, in which a plurality of pieces of information usable as identification information to be allocated to the respective node devices or to the respective content data are arranged according to a predetermined rule, a maximum unused area wherein the highest number of pieces of unused information are arranged is determined, and information for dividing the maximum unused area into two unused areas is selected as an identification information candidate. The selected identification information candidate is allocated to an allocation target to which no identification information is allocated yet.;COPYRIGHT: (C)2008,JPO&INPIT