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Packet loss analysis of shared-per-wavelength multi-fiber all-optical switch with parallel scheduling
Authors:V. Eramo  A. Germoni  C. Raffaelli  M. Savi
Affiliation:1. INFOCOM Department, University of Rome, ”Sapienza” Via Eudossiana 18, 00184 Rome, Italy;2. D.E.I.S., University of Bologna, Viale Risorgimento 2, 40136 Bologna, Italy;1. Institut Telecom/Telecom ParisTech, CNRS UMR, Paris 5141-75634, France;2. National Technical University of Athens, Athens GR 15773, Greece;3. Sup''Com, Tunisia, Carthage University, Ariana 2083, Tunisia;1. Gheorghe Asachi Technical University of Iasi, Faculty of Automatic Control and Computer Science, Str. Dimitrie Mangeron, Nr. 27, Iasi, 700050, Romania;2. Alexandru Ioan Cuza University of Iasi, Interdisciplinary Research Department and RAMTECH, Bd. Carol I, Nr. 11, Iasi, 700506, Romania;1. Department of Information Technology, College Of Engineering & Management, Kolaghat, India;2. Department of Computer science & Engineering, College Of Engineering & Management, Kolaghat, KTPP Township, Purba Medinipur 721171, West Bengal, India;3. Mechanical Operation (stage-II), Kolaghat Thermal Power Station, WBPDCL, Purba Medinipur 721137, West Bengal, India
Abstract:This paper discusses a multi-fiber all-optical switch which shares wavelength converters for contention resolution. The proposed switch architecture employs fixed-input/tunable-output wavelength converters (expected to be less complex than tunable-input/tunable-output ones). The space switching matrix is modular and simple with respect to switching architectures with different wavelength converters sharing schemes (i.e. shared-per-node architecture). A parallel scheduling algorithm is defined to control optical packet forwarding in a synchronous scenario as well as an analytical model to evaluate packet loss performance. The analytical model is validated against simulation and previous analysis and the results obtained show good accuracy in most cases of interest for optical switch design.
Keywords:
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