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Distributed queue packet scheduling algorithms for WDM-based networks

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2 Author(s)
Muir, A. ; Dept. of Comput. Eng., California Univ., Santa Cruz, CA, USA ; Garcia-Luna-Aceves, J.J.

Two protocols for scheduling variable-length packet transmissions in an optical passive star network using wavelength division multiplexing (WDM) are specified and analyzed. These protocols require: a separate channel for transmission of control packets, a fixed transmitter and receiver and a tunable transmitter and receiver. The distinction between these protocols and other WDM protocols is that message transmissions are initiated by the receipt of a control message; other schemes schedule packet transmission for some fixed point in the future. This flexibility allows these protocols to avoid “head-of-line” blocking which is a problem encountered in some other protocols. The protocols presented place no constraints on the size of a message, the size of a packet or on the number of available data channels; maintain a distributed queue for each of the output nodes; and guarantee that there are no receiver or data channel collisions. The delay characteristics of these protocols are analyzed and compared to those of the TTAS algorithm

Published in:

INFOCOM '96. Fifteenth Annual Joint Conference of the IEEE Computer Societies. Networking the Next Generation. Proceedings IEEE  (Volume:3 )

Date of Conference:

24-28 Mar 1996