NDLI: Impact of add/drop port utilization flexibility in DWDM networks [Invited]

Content Provider	IEEE Xplore Digital Library
Author	Pedro, J. Pato, S.
Copyright Year	2009
Abstract	Optical transport networks are at the turning point from providing semi-permanent connections to being engineered to efficiently support dynamic optical connection services. Vital to this transition is the availability of node architectures that improve the flexibility of add/drop port utilization, thereby enabling the transponder connected to a port to be reused to realize connections with different wavelength channels or using different input/output fiber links (directions). This paper assesses the network-wide blocking performance provided by node architectures with different degrees of freedom for port reuse. The performance assessment not only clearly highlights the relevance of maximizing the chances of transponder sharing in transport networks, but also shows that the network topology determines which of the degrees of freedom for port reuse is more relevant.
Starting Page	B142
Ending Page	B150
File Size	1262011
File Format	PDF
ISSN	19430620
Volume Number	4
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	OSA
Subject Keyword	Wavelength division multiplexing Transponders Repeaters Computer architecture Optical fiber networks Network topology Routing and wavelength assignment DWDM network Node architecture Network performance
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications

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