NDLI: Traffic Grooming Techniques in Optical Networks

Content Provider	IEEE Xplore Digital Library
Author	Yabin Ye Woesner, H. Chlamtac, I.
Copyright Year	2006
Description	Author affiliation: Create-Net, Trento (Yabin Ye; Woesner, H.; Chlamtac, I.)
Abstract	With the increase of the number of wavelengths per fiber, waveband switching has been proposed to decrease the number of switching ports in optical nodes. Another concept, that of Light trails, allows the intermediate nodes along a lightpath to access the wavelength channel, aiming at the reduction of the number of wavelengths. Both techniques apply traffic grooming on different levels of the WDM network. In this paper, we combine them and compare the two switching techniques: waveband switching lightpath (WBS-LP) and waveband switching lighttrail (WBS-LT). Auxiliary graph models (LP_AG/LT_AG) are proposed for WBS-LP/WBS-LT respectively. These two auxiliary graph models can exploit not only the wavelength resource in the fiber links but also the limited waveband ports resource inside the multi-granular optical cross connects (MG-OXC) nodes. The influence of network parameters, e.g. number of wavebands, ports and transceivers, is studied. The proposed algorithms are compared with shortest path (SP), least-weighted path (LW), and K-least-weighted path (KP) algorithms; numerical simulations show their better performance. For different algorithms, WBS-LT can have better blocking performance than WBS-LP especially when add/drop waveband ports are the critical resources.
Starting Page	1
Ending Page	9
File Size	828297
Page Count	9
File Format	PDF
ISBN	9781424404247
DOI	10.1109/BROADNETS.2006.4374409
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Telecommunication traffic Optical fiber networks High speed optical techniques Optical switches Optical wavelength conversion Wavelength division multiplexing Bandwidth Traffic control WDM networks Transceivers Auxiliary Graph Routing and Wavelength Assignment Waveband Switching Multi-Granular Optical Cross Connect (MG-OXC) Light Trail networks
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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