Hitachi, Ltd.

Shinichi Irube

Tadashi Kaji

Akifumi Yato

Takahiro Fujishiro

Naoki Hayashi

Dan Yamamoto

An ID bridge service system manages a type and assurance of identity information required for provision of service by an application service system and a type and assurance of identity information managed by plural authentication service systems, and is provided with a selecting measure that selects an authentication service system that manages identity information corresponding to the identity information required for the provision of the service by the application service system out of the plural authentication service systems when a request for authentication is received from the application service system and a requesting measure that requests the selected authentication service system to authenticate.

ID bridge service system and method thereof

A method and a system for speeding up session establishment are provided, wherein the time required to establish a session is reduced, even in the case where a session management server requires a large amount of time to process respective functions required for establishing the session (such as making a decision regarding whether to permit or deny provision of a service, or generating a session key). The session management server is provided with means for conducting, in parallel, processing to issue processing requests for respective functions required for establishing a session (such as making a decision regarding whether to permit or deny provision of a service, or generating a session key) and processing to forward a communication message transmitted by a communications device or another session management server attempting to establish a session.

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Yokohama, Japan

Shinichi Irube