NDLI: Provisioning multilayer restoration for convergence

Content Provider	IEEE Xplore Digital Library
Author	Kroculick, J. Hood, C.
Copyright Year	2000
Description	Author affiliation: Tellium, Oceanport, NJ, USA (Kroculick, J.)
Abstract	Applications that require mission critical service will traverse multiple networks, which implement different protocol suites. Each layer in a suite has a recovery scheme that can reroute connections at that layer. We show that the solution to the repair of a fault that affects multiple layers lies in the provisioning of restoration at each layer to cooperate. Without some coordination between restoration mechanisms, an outage duration would be lengthened as methods assigned to each layer interfere with each other or the network would be locked up in a deadlocked state that never converges to a new topology. A set of control policies can be specified to coordinate between restoration mechanisms in a network that spans multiple layers and regions. These control policies are expressed as rules, and are collectively denoted as the escalation strategy. The escalation strategy can be provisioned by a network manager and is implemented as a distributed coordination protocol between peer recovery agents in the nodes.
Starting Page	108
Ending Page	115
File Size	742074
Page Count	8
File Format	PDF
ISBN	0769509126
ISSN	07421303
DOI	10.1109/LCN.2000.891016
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-11-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Nonhomogeneous media Convergence Protocols Signal restoration Protection Asynchronous transfer mode Optical packet switching Marine technology Mission critical systems Network topology
Content Type	Text
Resource Type	Article

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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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