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Performance Evaluation of a Bufferless OBS/OPS Network With 1+1 Path Protection
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Optical Network Laboratory (ON Lab).
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2015 (English)In: IEEE Photonics Technology Letters, ISSN 1041-1135, E-ISSN 1941-0174, Vol. 27, no 20, 2115-2118 p.Article in journal (Refereed) Published
Abstract [en]

In optical burst/packet switched (OBS/OPS) networks, bursts/packets may be dropped because of equipment failures. A widely used mechanism to protect a connection from a single-trunk-failure event is 1 + 1 path protection. We consider a bufferless OBS/OPS network with two types of users: 1) premium (that receive 1 + 1 protection service) and 2) regular (that do not receive such a service). We propose a fast and accurate approximation to evaluate the performance of such OBS/OPS network. The accuracy and scalability of the approximation and the effect of the proportion of the premium users in the network are discussed.

Place, publisher, year, edition, pages
2015. Vol. 27, no 20, 2115-2118 p.
Keyword [en]
Burst loss ratio, optical burst/packet switching, 1+1 path protection, Erlang fixed-point approximation
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-175482DOI: 10.1109/LPT.2015.2453204ISI: 000361685200002ScopusID: 2-s2.0-84959358965OAI: diva2:865416

QC 20151128

Available from: 2015-10-28 Created: 2015-10-16 Last updated: 2015-10-28Bibliographically approved

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Wang, Meiqian
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Optical Network Laboratory (ON Lab)
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