Patent ID: 8291476
Filing Date: 2012-10-16
Classification: H04L

Abstract:
1. An identifier authenticating system in which an information providing server that holds predetermined information and an information requesting server that requests the information providing server to provide the predetermined information from each of a plurality of independent private networks, and presenting a predetermined identifier to the information requesting server by an identifier holding user having the predetermined identifier given from the information providing server enables providing the predetermined information corresponding to the presented identifier to the information requesting server from the information providing server, wherein the system comprises a location management server that unifies management of location information of the information providing servers, the location management server is a computer with a hard disk and internet connection and is divided into a highest first location management server to a lowest m-th location management server, the first to m-th location management servers and the information providing server form a tree structure which branches into a plurality of paths from the first location management server to the m-th location management server and from the m-th location management server toward the information providing server, and the confirmed location information of the information providing server is registered on any one of a plurality of the m-th location management servers, a disclosure level of information disclosed to the information requesting server is classified into a first disclosure level to an n-th disclosure level, and the predetermined information corresponding to the identifier and the first to n-th disclosure levels is stored in the information providing server, in the system, when the identifier holding user presents the identifier to the information requesting server, the information requesting server asks the first location management server about a location of the information providing server, and the first location management server returns confirmed location information of a second location management server immediately lower than that to the information requesting server on the location information, and when the information requesting server accesses the second location management server corresponding to the returned confirmed location information and asks the accessed second location management server about a location of the information providing server, the second location management server returns confirmed location information of a third location management server immediately lower than that to the information requesting server based on the location information, the information providing server is retrieved by repeating an inquiry and a response between the location management servers and the information requesting server starting from the first location management server toward the m-th location management server in this manner, and the retrieved information providing server provides the information requesting server with predetermined information corresponding to the presented identifier and the disclosure level, and the information requesting server receives the predetermined information corresponding to the presented identifier and the disclosed level from the accessed information providing server.