| 摘要 |
A method and system for controlling service of quality of an IP packet in a passive optical network system. An optical line terminal (OLT) in the passive optical network system having an optical distribution network (ODN) and at least one optical network unit (ONU), has a processing unit for determining QoS, i.e., a priority order, at a PON layer in accordance with IP layer information of received data, and assigning a LINK ID to the data. Accordingly, quality of service of data at a network layer can be mapped to quality of service of data at a physical layer and quality of service of an IP data stream in the PON system can be controlled to thereby ensure the quality of transfer of the IP data stream in the passive network system.
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