Dimensioning shared-per-node recirculating fiber delay line buffers in an optical packet switch
Author
Akar, N.
Gunalay, Y.
Date
2013Source Title
Performance Evaluation
Print ISSN
0166-5316
Publisher
Elsevier
Volume
70
Issue
12
Pages
1059 - 1071
Language
English
Type
ArticleItem Usage Stats
140
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176
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Abstract
Optical buffering based on fiber delay lines (FDLs) has been proposed as a means for contention resolution in an optical packet switch. In this article, we propose a queuing model for feedback-type shared-per-node recirculating FDL optical buffers in asynchronous optical switching nodes. In this model, optical packets are allowed to recirculate over FDLs as long as the total number of recirculations is less than a pre-determined limit to meet signal loss requirements. Markov Modulated Poisson Process (MMPP)-based overflow traffic models and fixed-point iterations are employed to provide an approximate analysis procedure to obtain blocking probabilities as a function of various buffer parameters in the system when the packet arrival process at the optical switch is Poisson. The proposed algorithm is numerically efficient and accurate especially in a certain regime identified with relatively long and variably-sized FDLs, making it possible to dimension optical buffers in next-generation optical packet switching systems.
Keywords
Fiber delay linesMarkov modulated Poisson process
Optical burst switching
Optical packet switching
Overflow models
Asynchronous optical switching
Fiber delay line (FDL)
Fiber delay line buffers
Fixed-point iterations
Markov modulated Poisson process
Optical packet switches
Optical packet switching
Overflow model
Optical burst switching
Optical switches
Packet networks
Packet switching
Queueing theory
Switching systems
Telecommunication traffic
Waves
Feedback
Permalink
http://hdl.handle.net/11693/20719Published Version (Please cite this version)
http://dx.doi.org/10.1016/j.peva.2013.09.003Collections
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