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Journal Article Ethernet Ring Protection for Carrier Ethernet Networks
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Authors
Jeong-Dong Ryoo, Hao Long, Yang Yang, Marc Holness, Zahir Ahmad, J. Kevin Rhee
Issue Date
2008-09
Citation
IEEE Communications Magazine, v.46, no.9, pp.136-143
ISSN
0163-6804
Publisher
IEEE
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1109/MCOM.2008.4623718
Project Code
08MR4900, Development of Packet-Optic Integrated Network Transport Technology, Kim Bong Tae
Abstract
Ethernet technologies are rapidly gaining importance as a prevailing solution for carrier networks. Ethernet ring protection switching, defined in ITU-T Recommendation G.8032, provides a means of achieving carrier network requirements for ring network topologies. This article outlines the novel concepts in this Ethernet ring protection switching mechanism and discusses the fundamental operating principles by which the automatic protection switching (APS) protocol works. In addition, several feature enhancements in protection behavior and solutions being considered for the next phase of standardization are discussed. © 2008 IEEE.
KSP Keywords
Carrier Ethernet, Carrier networks, ITU-T, Network requirements, Network topology, Novel concepts, Protection switching, Ring network, Ring protection, Switching mechanism, automatic protection