NDLI: Design of resilient core ATM networks

Content Provider	IEEE Xplore Digital Library
Author	Veitch, P.A. Johnson, D. Hawker, I.
Copyright Year	1997
Description	Author affiliation: BT Labs., Ipswich, UK (Veitch, P.A.)
Abstract	This paper examines three distinct methods of designing an ATM core network which is resilient to any single cable break (often the most common type of major failure): (1) The ATM crossconnects are collocated with SDH 4/4 crossconnects, and VPs are multiplexed onto VC-4s which are routed through the SDH crossconnect platform. Protection is at the SDH layer, with backup VC-4 routes assigned to working VC-4s. (2) As in option 1, ATM crossconnects are collocated with SDH crossconnects, and VPs are multiplexed onto VC-4s which are routed through the SDH crossconnect platform. The protection in this case is at the ATM layer, with backup VPs assigned to working VPs. (3) ATM crossconnects are collocated at SDH crossconnect sites, however the SDH crossconnects are not used for routing ATM traffic and point-to-point links transport the (single hop) VC-4s directly between ATM switches where VPs are multiplexed/demultiplexed. Protection is at the ATM layer, with backup VPs assigned to working VPs. The principal goal is to evaluate the schemes in terms of the cost required to provide resilience to ATM traffic from any single cable break.
Starting Page	1450
Ending Page	1454
File Size	466422
Page Count	5
File Format	PDF
ISBN	0780341988
DOI	10.1109/GLOCOM.1997.644375
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-11-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Asynchronous transfer mode Synchronous digital hierarchy Protection Telecommunication traffic Resilience Spine Design methodology Laboratories Routing 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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