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Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/260

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contributor.authorTuruk, A K-
contributor.authorKumar, R-
date.accessioned2006-03-22T11:41:21Z-
date.available2006-03-22T11:41:21Z-
date.issued2005-
identifier.citationJournal of High Speed Networks, Vol 14, No 4, P 317-339en
identifier.urihttp://hdl.handle.net/2080/260-
descriptionCopyright for this article belongs to IOS Press http://iospress.metapress.com/link.asp?id=2va9gxccfdwfl741en
description.abstractIn this paper, we propose two algorithms and a node architecture to access the shared medium and to support priority based quality-of-service (QoS) in WDM ring network. The algorithms give priority to a node having high priority request in reserving a destination node and/or a data-channel. The rst algorithm selects a datachannel based on earliest availability of the data-channel, and the second with minimum scheduling latency. Both the schemes employ reservation mechanism, however they differ from the traditional reservation mechanism in that no explicit release of the reserved resources take place. The proposed schemes are contention-free, easy to implement and require no bu ers at nodes. The proposed node architecture is con gured around tunable transceiver(s) and thus makes the scheme scalable. We study performance of both the schemes, by simulation, for bursty tra c modeled using an M/Pareto distribution, and compare the performance with another token based algorithm. We found that our schemes perform better in terms of wavelength utilization. However, delays are higher due to the single tunable transceiver used in our scheme as opposed to an array of transmitters and receivers in the previous work.en
format.extent264124 bytes-
format.mimetypeapplication/pdf-
language.isoen-
publisherIOS Pressen
subjectQuality of serviceen
subjectoptical ring networken
subjectpriorityen
subjectWDMen
subjectmedium access controlen
subjecttunable transceiveren
titleQoS provisioning in a WDM ring network with tunable transceiveren
typeArticleen
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