NDLI: A self-healing protocol for ATM networks based on multiple backup VPs

Content Provider	IEEE Xplore Digital Library
Author	Ashraf, S.N. Lac, C.
Copyright Year	2001
Description	Author affiliation: Inst. Nat. des Telecommun., Evry, France (Ashraf, S.N.)
Abstract	Asynchronous transfer mode (ATM) networks permit the establishment of backup virtual paths (VPs) with zero bandwidth. This feature makes ATM layer based self-healing mechanisms particularly interesting as faster restoration can be realized by capturing the necessary bandwidth on the backup VP after a failure. With the aim of further increasing the restoration speed, this paper studies a new multiple backup VPs (MBV) based protocol. Moreover, a new approach for capturing bandwidth on a pre-established backup VP is presented, where, after a failure, nodes on the backup VP start capturing the bandwidth in a quasi-parallel way as opposed to the traditional step-by-step way. Depending upon the length or properties of a working VP, the MB protocol allows one or more backup VPs. This approach helps holding the restoration information in a reduced area, leading to a faster recovery. Results show that the MBV protocol considerably improves the speed of restoration from a failure as compared to a better-known end-to-end VP based protocol. Moreover, the proposed way of bandwidth capturing on the backup VP also offers better speed. The MBV protocol can employ multiple backup VPs in an overlapped or non-overlapped way. Operation of both approaches is described and performances are evaluated in terms of two criteria, namely restoration ratio and the amount of additional transmission capacity required to be employed.
Starting Page	326
Ending Page	332
File Size	588805
Page Count	7
File Format	PDF
ISBN	0780370937
DOI	10.1109/ICATM.2001.932112
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-04-22
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Protocols Image restoration Asynchronous transfer mode Bandwidth Optical fiber losses Propagation losses B-ISDN Optical fibers Research and development Performance evaluation
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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