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A customizable two-step framework for general equipment provisioning in Optical Transport Networks
The University of Texas at Dallas.
The University of Texas at Dallas.
The University of Texas at Dallas.
The University of Texas at Dallas.
Show others and affiliations
2011 (English)In: ONDM 2011 - 15th Conference on Optical Network Design and Modeling, 2011Conference paper, Published paper (Refereed)
Abstract [en]

Optical Transport Network (OTN) is a standard approach to offering transport support to a variety of existing service technologies, e.g., ESCON, HDTV, GE, etc. Multiple service technologies can be concurrently multiplexed onto one common transport network, which offers hierarchical transmission rate wrappers physically supported by Wavelength Division Multiplexing (WDM) lambda channels. Algorithms to perform grooming and routing in OTN are expected to be complicated due to the large number of grooming options that are available in the standard. In addition, these algorithms are likely to be designed by the vendor engineers, who have full knowledge of the grooming, switching, and routing capabilities of their own equipment. Yet the authors of this paper propose a relatively simple algorithm framework for equipment provisioning in OTN that can be customized by the network designer. Taking advantage of the multi-rate nature of supported services in OTN, traffic demands can be divided into two groups based on their bandwidth requirement. Demands with bandwidth request below a bandwidth threshold are placed on newly provisioned resources and demands with bandwidth request above the threshold are preferably routed over already provisioned resources. The latter procedure is more time consuming but yields more efficient traffic grooming when compared to the former procedure. The bandwidth threshold can be set by the network designer either to decrease running time of the algorithm, or conversely, to increase optimality of the solution found.

Place, publisher, year, edition, pages
2011.
Keyword [en]
ESCON;HDTV;bandwidth request;bandwidth threshold;general equipment provisioning;hierarchical transmission rate wrappers;lambda channels;optical transport networks;routing capability;traffic grooming;wavelength division multiplexing;optical fibre networks;telecommunication network routing;telecommunication traffic;wavelength division multiplexing;
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-78959Scopus ID: 2-s2.0-79956074992ISBN: 978-390188242-5 (print)OAI: oai:DiVA.org:kth-78959DiVA: diva2:493103
Conference
15th Conference on Optical Network Design and Modeling, ONDM 2011. Bologna. 8 February 2011 - 10 February 2011
Note

QC 20150706

Available from: 2012-02-08 Created: 2012-02-08 Last updated: 2015-07-06Bibliographically approved

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Monti, Paolo

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf