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Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/262

Title: A token-based distributed algorithm for medium access in an optical ring network
Authors: Turuk, A K
Kumar, R
Badrinath, R
Keywords: Optical ring network
WDM
Medium access control
Token
Issue Date: 2004
Publisher: Elsevier
Citation: Optics Communication, Vol 231, Iss 1-6, P 199-212
Abstract: In this paper, we propose a node architecture and a token-based algorithm to access the shared medium in an optical ring network. The algorithm is based on a reservation scheme. However, unlike other reservation schemes which operate in three stages viz. reserve, transmit and release, the proposed scheme operates in two stages viz. reserve and transmit and does not explicitly release the reserved resources. The proposed algorithm selects the earliest available data-channel for reservation hence we call it earliest available channel (EAC) algorithm. The EAC algorithm operates in a distributed manner, and has the capability of handling channel collision and destination con icts. Each node in the network maintains three modules: send module, receive module and token processing module, and is equipped with a tunable transceiver in contrast to the previous work which uses an array of xed transceivers. We study the performance of the algorithm, by simulation, for xed-sized bursts and burst...
Description: Copyright for this article belongs to Elsevier Science Ltd http://dx.doi.org/10.1016/j.optcom.2003.12.012
URI: http://hdl.handle.net/2080/262
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