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Conference Papers Year : 2004

Fairness Issue in Bus-Based Optical Access Networks

Abstract

Packet-based optical ring becomes the standard access medium in metropolitan networks. Its performance depends mainly on how optical resource sharing, among different competing access nodes, takes place. This network architecture has mostly been explored in regard to synchronous transmission. However, in the present paper, we focus on the performance of asynchronous transmission-based metropolitan networks with variable packet sizes. An analytical model is presented in an attempt to provide explicit formulas that express the mean access delay of each node of the bus-based optical access network. In addition, we prove that in such a network, fairness problems are likely to arise between upstream and downstream nodes sharing a common data channel. Furthermore, we show that sharing the available bandwidth fairly and arbitrarily between access nodes, as in slotted WDM rings, doesn’t resolve the fairness problem in asynchronous system.
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Dates and versions

hal-03924168 , version 1 (06-01-2023)

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Nizar Bouabdallah, André-Luc Beylot, Guy Pujolle. Fairness Issue in Bus-Based Optical Access Networks. 3rd International IFIP-TC6 Networking Conference on Research in Networking (NETWORKING 2004), International Federation for Information Processing (IFIP) TC6 : Technical Committee 6 Communications Systems, May 2004, Athène, Greece. pp.914-925, ⟨10.1007/978-3-540-24693-0_75⟩. ⟨hal-03924168⟩
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