NDLI: Scalable multihop WDM passive ring with optimal wavelength assignment and adaptive wavelength routing

Content Provider	IEEE Xplore Digital Library
Author	Duanyang Guo Wei Guo Acampora, A.S.
Copyright Year	1995
Description	Author affiliation: Dept. of Comput. Sci., Columbia Univ., New York, NY, USA (Duanyang Guo)
Abstract	Ring networks have drawn wide attention due to token ring and FDDI standards. This paper presents a scalable multihop WDM passive ring architecture for local-area or metropolitan area networks. The network consists of optical interfaces, which are connected into a ring by fibers. Each optical interface is completely passive and unpowered. We apply the "multihop" principle by introducing a regular multi-loop ring called "wheel" as the optical connectivity and embedding it onto the single-loop fiber ring. Each network access node requires only a small number of fixed-tuned transceivers and an ATM switch. The network can incrementally scale up from a smaller ring to a large ring by deploying more access nodes and optical interfaces. When scaling up the network, not only the number of wavelengths required is small but also no more wavelengths are required. This architecture has an excellent ability for alternative routing and optimal wavelength reuse. We present three distributed adaptive wavelength routing algorithms and an optimal wavelength assignment algorithm which minimizes the number of wavelengths used. A method yielding the lowest possible call blocking probability for an "ideal" network with a fixed number of transceivers per node is presented and used as a yardstick to evaluate the proposed networks. The numerical results show that the architecture is very efficient.
Starting Page	2195
Ending Page	2204
File Size	1047655
Page Count	10
File Format	PDF
ISBN	0780325095
DOI	10.1109/GLOCOM.1995.502792
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-11-14
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wavelength division multiplexing Optical fiber networks Transceivers Wavelength routing Token networks FDDI Spread spectrum communication Metropolitan area networks Asynchronous transfer mode Optical switches
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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