Patent ID: 7403477

Claim:
A packet communicating system comprising: an optical line termination (OLT) for subsidiarily connecting optical network units (ONUs) by the Passive Optical Network type (PON), said OLT having a function for terminating the physical layer of the PON and controlling bandwidths in physical lines between the OLT and the ONUs; and a broadband access server (BAS) connected to said OLT, said BAS having a function for authorizing users communicating with the Internet, via the ONUs and the OLT, wherein said BAS has a function for controlling said OLT through a first physical line connecting therefrom and directly to the OLT, using information of the users obtained from only one Remote Authentication Dial In User Service (RADIUS) server which is connected only with the BAS and manages information of the users when authorizing the users to communicate with the Internet, and the BAS has a function for sending and receiving bandwidth control packets through said first physical line to the OLT for controlling user bandwidths at the OLT, and setting bandwidths per user for the users to send and receive user packets through a second physical line directly connecting between the BAS and the OLT.