NDLI: Regenerator predeployment in CN-ROADM networks with shared mesh restoration [invited]

Content Provider	IEEE Xplore Digital Library
Author	Inwoong Kim Palacharla, P. Xi Wang Qiong Zhang Bihon, D. Feuer, M.D. Woodward, S.L.
Copyright Year	2009
Abstract	We have studied the resource requirements and capacity of a continental-scale backbone network supporting shared mesh restoration (SMR) and service velocity (a rapid provisioning method). Network simulations of wavelength routing by colorless, nondirectional reconfigurable optical add/drop multiplexers (CN-ROADMs) show that performance depends on the routing scheme (minimum distance or minimum regenerator) and on whether or not regeneration is limited to a selected subset of sites. Comparing SMR with dedicated protection, wefind that up to 27% fewer regenerators are required for the shared mesh case, while capacity is increased by approximately 40%. Regenerator site concentration and minimum-regenerator routing provide the best results.
Starting Page	A213
Ending Page	A219
File Size	691603
File Format	PDF
ISSN	19430620
Volume Number	5
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	OSA
Subject Keyword	Routing Repeaters Optical fiber networks Heuristic algorithms Optical fibers Histograms Wavelength-routed networks Optical fiber communications reconfigurable optical add/drop multiplexer (ROADM) Shared mesh restoration
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications

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Constraint routing and regenerator site concentration in ROADM networks

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Regenerator predeployment in CN-ROADM networks with shared mesh restoration [invited]

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