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Impairment-Aware Dynamic Provisioning in WDM Networks with Set-up Delay Tolerance and Holding-time Awareness
KTH, School of Information and Communication Technology (ICT), Optics and Photonics, Photonics. (NEGONET)ORCID iD: 0000-0001-6704-6554
2011 (English)In: 2011 17th IEEE International Conference on Networks (ICON), 2011, 213-218 p.Conference paper, Published paper (Refereed)
Abstract [en]

We study a dynamic WDM network with nonideal components in the physical layer which uses an impairment-aware routing and wavelength (RWA) algorithm for connection provisioning. We investigate the reduction in blocking probability (BP) by utilizing service Level Agreement (SLA) metric i.e. setup delay tolerance during connection provisioning. Furthermore, we explore the improvement in the network performance by efficiently utilizing the knowledge of the connections holding-time, another metric of SLA. Keeping in mind that BP reduction can be obtained by set-up delay tolerance [1] our focus is to investigate how set-up delay tolerance combined with holding-time awareness can improve BP performance caused by physical impairment. Our simulation results confirm that significant improvement can be achieved by holding-time aware connection provisioning compared to the unaware holding-time case. Moreover as expected, set-up delay tolerance can reduce BP even without knowledge of connections holding-time.

Place, publisher, year, edition, pages
2011. 213-218 p.
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-88081DOI: 10.1109/ICON.2011.6168477Scopus ID: 2-s2.0-84859950947OAI: oai:DiVA.org:kth-88081DiVA: diva2:502123
Conference
2011 17th IEEE International Conference on Networks (ICON). Singapore, Singapore. December 14 - 16, 2011
Funder
ICT - The Next Generation
Note
QC 20120330Available from: 2012-02-14 Created: 2012-02-14 Last updated: 2012-06-13Bibliographically approved

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Wosinska, Lena

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  • apa
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  • Other locale
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