Method of controlling upstream data transmission in ethernet...

Details Method of controlling upstream data transmission in ethernet... Method of controlling upstream data transmission in ethernet...

2003-11-03

2008-10-28

Abelson, Ronald (Department: 2619)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S468000

Reexamination Certificate

active

07443861

ABSTRACT:
A method of controlling data transmission in an Ethernet passive optical network (EPON) and an apparatus thereof are provided. Transmission permission messages using a mode of bandwidth allocation are queued in a queuing unit according to the types of the transmission permission messages. A transmission time duration of upstream data is defined for each of the transmission permission messages queued in the queuing unit. A bandwidth allocation unit generates transmission permission messages to allocate upstream data transmission bandwidth for an optical network unit (ONU), based on the transmission permission messages stored in the storage unit. A scheduler designates the predetermined priority, reads transmission permission messages from queues according to a predetermined priority, determines a transmission start time of upstream data, and outputs the transmission permission messages.

REFERENCES:
patent: 6783367 (2004-08-01), Wang et al.
patent: 2003/0227926 (2003-12-01), Ramamurthy et al.
patent: 2004/0202121 (2004-10-01), Yuang et al.
IEEE Comnunications Magazine, Feb. 2002, pp. 74-80.
802.3ah Meetings, St. Louis, MO, pp. 2-17.
802.3ah P2MP Track, pp. 2-17.

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