| 摘要 |
PROBLEM TO BE SOLVED: To provide a passive optical network system which allows a user to achieve multiplexing priority management of individualization of downstream data using a logical link identifier with class. SOLUTION: The passive optical network system includes an optical network unit and an optical line terminating device connected to a plurality of optical network units, wherein the optical line terminating device has an interface which receives from the optical network unit, a logical link assignment request message containing a communication priority for deciding a priority of a communication flow between a source terminal and a destination terminal, from the destination terminal, and a control unit which assigns a logical link identifier for identifying a communication flow to the logical link assignment request message received from the interface and controls the interface so as to communicate with the optical network unit using the communication priority. COPYRIGHT: (C)2009,JPO&INPIT
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