Delay analysis of Ethernet passive optical networks with gated service

Frank Aurzada, Michael Scheutzow, Martin Herzag, Martin Maier, Martin Reisslein

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

We analyze the mean packet delay in an Ethernet passive optical network (EPON) with gated service. For an EPON with a single optical network unit (ONU), we derive (i) a closed form delay expression for reporting at the end of an upstream transmission, and (ii) a Markov chain-based approach requiring the numerical solution of a system of equations for reporting at the beginning of an upstream transmission. Reporting at the beginning, which has not been previously examined in detail, achieves significantly smaller delays than reporting at the end of an upstream transmission for a small number of ONUs. Both of these analyses are fundamentally different from existing polling system analyses in that they consider the dependent switchover times of the EPON. We extend the analysis for reporting at the beginning of an upstream transmission to approximate the mean packet delay in an EPON with multiple ONUs and verify the accuracy of the analysis with simulations. Overall, our numerical results indicate that for utilizations up to ∼75%, the mean packet delay is close to its minimum of four times the one-way propagation delay.

Original languageEnglish (US)
Pages (from-to)25-41
Number of pages17
JournalJournal of Optical Networking
Volume7
Issue number1
DOIs
StatePublished - Jan 2 2008

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Passive optical networks
Ethernet
upstream
Fiber optic networks
Markov processes
Markov chains
propagation
simulation

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Atomic and Molecular Physics, and Optics

Cite this

Delay analysis of Ethernet passive optical networks with gated service. / Aurzada, Frank; Scheutzow, Michael; Herzag, Martin; Maier, Martin; Reisslein, Martin.

In: Journal of Optical Networking, Vol. 7, No. 1, 02.01.2008, p. 25-41.

Research output: Contribution to journalArticle

Aurzada, Frank ; Scheutzow, Michael ; Herzag, Martin ; Maier, Martin ; Reisslein, Martin. / Delay analysis of Ethernet passive optical networks with gated service. In: Journal of Optical Networking. 2008 ; Vol. 7, No. 1. pp. 25-41.
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