Patent ID: 7843909

Claim:
A packet communicating system comprising: an optical line termination (OLT) for subsidiarily connecting optical network units (ONUS) by the passive Optical Network (PON), said OLT having a function for controlling bandwidths between the OLT and the ONUS and transmitting packets to 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 bandwidths for the users accommodated under the ONUs to send and receive packets, allocated between the ONUS and the OLT, according to the number of users accommodated under the ONUS or bandwidths allocated to the individual users using information of the users obtained from a Remote Authentication Dial IN User Service (RADIUS) server which is connected with the BAS and manages information of the users when authorizing the users to communicate with the Internet.