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Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/613

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contributor.authorTuruk, A K-
contributor.authorKumar, Rajeev-
date.accessioned2008-03-12T09:15:50Z-
date.available2008-03-12T09:15:50Z-
date.issued2005-
identifier.citationPhotonic Network Communications, Vol 10, No 2, P 253-266en
identifier.urihttp//dx.doi.org/10.1007/s11107-005-2488-y-
identifier.urihttp://hdl.handle.net/2080/613-
descriptionCopyright for this article belongs to Springeren
description.abstractOptical burst switching (OBS) is emerging as one promising switching paradigm for the next generation optical networks. To support multiple services in burst-switching networks, the OBS paradigm should support some quality-of-service (QoS) provisioning. A major design issue in such networks is to reduce the blocking probability of the bursts arising due to resource contention at the intermediate core router. In this paper, we propose a signaling protocol which we call ‘Delay-on-Demand’ (OBS-DoD), to reduce blocking probability and support QoS in optical burst-switching networks. The proposed scheme guarantees that at least one of the bursts succeeds depending on its priority, propagation delay from the ingress router, and the burst-size when contention occurs at the core router. For this, we use a control packet to delay, in case of a contention, the transmission of bursts at the ingress router. We compare the performance of our proposal, by simulation, with an earlier proposed scheme, and show that the proposed OBS-DoD outperforms the earlier scheme in reducing the blocking probability. For simulation, we generated bursty traffic using an M/Pareto distribution.en
format.extent174416 bytes-
format.mimetypeapplication/pdf-
language.isoen-
publisherSpringeren
subjectWDMen
subjectOptical Burst Switchingen
subjectQOSen
titleDelay-on-Demand: A signaling protocol to reduce blocking probability in optical burst-switch networksen
typeArticleen
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