NDLI: Hierarchical restoration scheme for multiple failures in GMPLS networks

Content Provider	IEEE Xplore Digital Library
Author	SuKyoung Lee Chul Kim Griffith, D.
Copyright Year	2002
Description	Author affiliation: Nat. Inst. of Stand. & Technol., Gaithersburg, MD, USA (SuKyoung Lee; Chul Kim; Griffith, D.)
Abstract	It is expected that GMPLS-based recovery could become a viable option for obtaining faster restoration than layer 3 rerouting. Even though dedicated restoration ensures restorability of connections, exclusive use of dedicated scheme would result in wasting network resources, especially in case of providing for multiple failures. A range of restoration schemes have been proposed that use the concept of sharing capacity to improve efficiency. However, the case of multiple simultaneous failures has not been considered. In this paper we propose a hierarchical scheme for handling multiple simultaneous failures, where hierarchical Shared Risk Link Groups (SRLGs) are applied. We also introduce Backup Group Multiplexing (BGM) into our hierarchical scheme to precipitate the restoration of multiple Label Switched Paths (LSPs) with failures all at once. Furthermore, the proposed scheme selects a backup path with enough resources to satisfy renegotiated Quality of Service (QoS) of each backup group, among M backup paths. Our simulation results demonstrate that our scheme utilizes bandwidth more efficiently through multiplexing gain.
Starting Page	177
Ending Page	182
File Size	1096884
Page Count	6
File Format	PDF
ISBN	0769516807
ISSN	15302016
DOI	10.1109/ICPPW.2002.1039728
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-08-21
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Intelligent networks IP networks Quality of service Telecommunication traffic Protocols Signal restoration Protection NIST Bandwidth Traffic control
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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