Invention Grant
- Patent Title: Apparatus and method for medium access control in an optical packet-switched network and the network thereof
- Patent Title (中): 光分组交换网络中媒体接入控制的装置及方法及其网络
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Application No.: US12344230Application Date: 2008-12-25
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Publication No.: US08233795B2Publication Date: 2012-07-31
- Inventor: Shi-Wei Lee , Yu-Min Lin , Maria C. Yuang , I-Fen Chao , Bird C. Lo
- Applicant: Shi-Wei Lee , Yu-Min Lin , Maria C. Yuang , I-Fen Chao , Bird C. Lo
- Applicant Address: TW Hsinchu
- Assignee: Industrial Technology Research Institute
- Current Assignee: Industrial Technology Research Institute
- Current Assignee Address: TW Hsinchu
- Agency: Lin & Associates IP, Inc.
- Priority: TW97129720A 20080805
- Main IPC: H04J14/00
- IPC: H04J14/00

Abstract:
Disclosed is an apparatus and method for medium access control (MAC) in an optical packet-switched network. The MAC apparatus may comprise a bandwidth allocation module and an MAC processor. The bandwidth allocation module determines a data transmission limit based on a probabilistic quota plus credit mechanism for each node of the network, dynamically informs all downstream nodes of unused quota and allows the downstream nodes to use remaining bandwidths of the upstream node. Through a control message carried by a control channel, the MAC processor determines uploading, downloading and data erasing for a plurality of data channels, and updates the corresponding contents in the control message.
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