ACCESS CONTROL METHOD, ACCESS CONTROLLER, AND ACCESS CONTROL SYSTEM USING THE SAME

摘要

PROBLEM TO BE SOLVED: To permit only one address to be assigned to a regular client to efficiently and exactly assign pooled addresses.

SOLUTION: An authentication server 60 authenticates a PC (personal computer) 50, based on a circuit ID given to a RADIUS (remote authentication dial-in user service) access request by a PE router 20, and then a DHCP (dinamic host configuration pritocol) server 10 assigns user set information, based on a user class ID given to a message of a DHCP request from the PC 50 and the circuit ID given by the PE router 20.

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