New options and insights for survivable transport networks

This article is devoted to a selection of recent topics in survivable networking. New ideas in capacity design and ring-to-mesh evolution are given, as well as a systematic comparison of the capacity requirements of several mesh-based schemes showing how they perform over a range of network graph co...

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Bibliographic Details
Published in:IEEE communications magazine 2002-01, Vol.40 (1), p.34-41
Main Authors: Grover, W., Doucette, J., Clouqueur, M., Leung, D., Stamatelakis, D.
Format: Magazinearticle
Language:English
Subjects:
Centralized control
Conveying
Design engineering
Efficiency
Evolution
Graphs
IP (Internet Protocol)
Mesh networks
Networks
Optical fiber networks
Photonics
Protection
Protocol (computers)
Protocols
SONET
Telecommunication network reliability
Transport
Ultraviolet sources
Wavelength division multiplexing
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Summary:This article is devoted to a selection of recent topics in survivable networking. New ideas in capacity design and ring-to-mesh evolution are given, as well as a systematic comparison of the capacity requirements of several mesh-based schemes showing how they perform over a range of network graph connectivity. The work provides new options and insights to address the following questions. How does one evolve from an existing ring-based network to a future mesh network? If the facilities graph is very sparse, how can mesh efficiency be much better than rings? How do the options for mesh protection or restoration rank in capacity requirements? How much is efficiency increased if we enrich our network connectivity? We also outline p-cycles, showing this new concept can realize ring-like speed with meshlike efficiency. The scope is limited to conveying basic ideas with an understanding that they could be further adapted for use in IP or DWDM layers with GMPLS-type protocols or a centralized control plane.
ISSN:0163-6804
1558-1896
DOI:10.1109/35.978047