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    • 9. 发明授权
    • Authentication system, network line concentrator, authentication method and authentication program
    • 认证系统,网络集线器,认证方式和认证方案
    • US08209529B2
    • 2012-06-26
    • US11179602
    • 2005-07-13
    • Takashi HiranoAtsushi NunomeHiroaki HirataKiyoshi Shibayama
    • Takashi HiranoAtsushi NunomeHiroaki HirataKiyoshi Shibayama
    • H04L29/06
    • H04L63/08
    • A DHCP server 8 dispenses an IP address in response to a request from a terminal equipment 1. An authentication server 3 receives an authentication frame transmitted from the terminal equipment 1 using the dispensed IP address as a sender address and authenticates the terminal equipment 1. Upon completion of authentication, the authentication server 3 informs a registration information database 22 of an authentication hub 2 of communication permission for the terminal equipment 1. In the authentication hub 2, a frame receiving circuit 21 receives a transmission frame transmitted from the terminal equipment 1. The authentication hub 2 refers to the registration information database 22 on the basis of sender information of the transmission frame, determines transmission, rewriting-and-transmission, or discarding for the frame, and sends the transmission frame to a transmission buffer 23 if transmission or rewriting-and-transmission is permitted for the frame.
    • DHCP服务器8响应于来自终端设备1的请求来分配IP地址。认证服务器3使用分配的IP地址作为发送者地址接收从终端设备1发送的认证帧,并对终端设备1进行认证。 认证服务器3向认证中心2的登记信息数据库22通知终端设备1的通信许可。在认证集线器2中,帧接收电路21接收从终端设备1发送的传输帧。 认证集线器2基于发送帧的发送者信息来参考注册信息数据库22,确定发送,重写和发送,或丢弃该帧,并且如果发送或发送,则将发送帧发送到发送缓冲器23 框架允许重写传输。