A RWA algorithm for differentiated services with QoS guarantees in the next generation internet based on DWDM networks

Jong Gyu Hwang, Jae Il Jung, Yong Jin Park, Jung Hyun Bae, Hyun Su Song, Sung Un Kim

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

A major challenge in next generation Internet (NGI) backbone networks based on dense-wavelength division multiplexing (DWDM) is the provision of guaranteed quality-of-service (QoS) for a wide variety of multimedia applications. This paper proposes a new routing algorithm called multi-wavelength minimum interference path routing (MW-MIPR) to provide more reliable QoS guarantees by consideration of the potential future network's congestion status. This improves wavelength utilization by choosing a route that does not interfere too much with potential future connection requests. Moreover, we introduce a differentiated routing and wavelength assignment (RWA) mechanism combined with recovery strategy and the proposed MW-MIPR algorithm based on the differentiated service model in the NGI. Simulation results show that the proposed MW-MIPR algorithm achieves a smaller blocking probability than dynamic routing (DR) that yields the best performance among previous RWA algorithms. And we prove that a differentiated RWA combined with a recovery capability together with the proposed routing scheme provides satisfied QoS assurance for each service class in terms of signal quality and survivability.

Original languageEnglish
Pages (from-to)319-334
Number of pages16
JournalPhotonic Network Communications
Volume8
Issue number3
DOIs
Publication statusPublished - 2004 Nov
Externally publishedYes

Fingerprint

Dense wavelength division multiplexing
wavelength division multiplexing
Quality of service
Internet
Wavelength
wavelengths
Routing algorithms
interference
recovery
Recovery
congestion
Blocking probability
multimedia
assurance
routes

Keywords

  • DWDM
  • MW-MIPR
  • QoS
  • RWA
  • Survivability

ASJC Scopus subject areas

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

Cite this

A RWA algorithm for differentiated services with QoS guarantees in the next generation internet based on DWDM networks. / Hwang, Jong Gyu; Jung, Jae Il; Park, Yong Jin; Bae, Jung Hyun; Song, Hyun Su; Kim, Sung Un.

In: Photonic Network Communications, Vol. 8, No. 3, 11.2004, p. 319-334.

Research output: Contribution to journalArticle

Hwang, Jong Gyu ; Jung, Jae Il ; Park, Yong Jin ; Bae, Jung Hyun ; Song, Hyun Su ; Kim, Sung Un. / A RWA algorithm for differentiated services with QoS guarantees in the next generation internet based on DWDM networks. In: Photonic Network Communications. 2004 ; Vol. 8, No. 3. pp. 319-334.
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