NGNを活用したセキュア通信提供サービスの提案

概要

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In these days, telecom operators in the world have been constructing Next Generation Network (NGN). NGN can provide QoS and security guaranteed communication to its users. However, the protection of communication is limited inside NGN. Therefore, when the interconnection between NGN and the Internet will be widely used in near future, it will become an important problem to solve how it protects the communications crossing over NGN and the Internet.This paper proposes a secure communication provider service that protects the confidentiality and integrity of communications crossing over NGN and the Internet by setting up and controlling the IPsec session in cooperation with NGNs call session control function (CSCF). In this service, the secure session control provider (sSCP) server and CSCF authenticate its user as Trusted Third Party on behalf of service providers. In addition, this service provides the ability of fast session establishment because sSCP distributes a security association for IPsec session between the user and service provider via the SIP session protected by NGN.
2010-08-01