Quality-of-service mechanisms in IP-over-WDM networks

Ayman Kaheel, Tamer Khattab, Amr Mohamed, Hussein Alnuweiri

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

Classical approaches to QoS provisioning in IP networks are difficult to apply in all-optical networks. This is mainly because there is no optical counterpart to the store-and-forward model that mandates the use of buffers for queuing packets during contention for bandwidth in electronic packet switches. Since plain IP assumes a best effort service model, there is a need to devise mechanisms for QoS provisioning in IP over wavelength-division multiplexing networks. Such mechanisms must consider the physical characteristics and limitations of the optical domain. This article presents a classification and survey of recent proposals for QoS provisioning and enforcement in IP-over-WDM networks. The different QoS proposals surveyed cover three major optical switching methods: wavelength routing, optical packet switching, and optical burst switching.

Original languageEnglish
Pages (from-to)38-43
Number of pages6
JournalIEEE Communications Magazine
Volume40
Issue number12
DOIs
Publication statusPublished - 1 Dec 2002
Externally publishedYes

Fingerprint

Wavelength division multiplexing
Quality of service
Optical burst switching
Packet switching
Fiber optic networks
Switches
Bandwidth
Wavelength

ASJC Scopus subject areas

  • Computer Science Applications
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

Quality-of-service mechanisms in IP-over-WDM networks. / Kaheel, Ayman; Khattab, Tamer; Mohamed, Amr; Alnuweiri, Hussein.

In: IEEE Communications Magazine, Vol. 40, No. 12, 01.12.2002, p. 38-43.

Research output: Contribution to journalArticle

Kaheel, Ayman ; Khattab, Tamer ; Mohamed, Amr ; Alnuweiri, Hussein. / Quality-of-service mechanisms in IP-over-WDM networks. In: IEEE Communications Magazine. 2002 ; Vol. 40, No. 12. pp. 38-43.
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