Development of network roaming and identity federation infrastructure realizing high-degree policy application

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We have developed an identity federation mechanism that realizes personalized high-level access controls based on the combination of policies provided from both the ID provider and the service provider. The federation system is specially designed for Wireless LAN (WLAN) roaming systems such as "eduroam," the world-wide academic WLAN roaming system, and other public WLAN services. We have also developed an access network architecture tolerant of network disruptions that could be caused under large-scale disasters by introducing some disaster- and fault-tolerant mechanisms.