Dynamic sub-mesh protection under dynamic traffic demands in dense WDM networks

Network survivability is a key issue in reliable WDM optical network design to assure the service guarantee to customers. Rather than conventional connection link/ path/subpath based protection switching scheme, we propose protection group (submesh)-based approach to fast recover traffic from single...

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Bibliographic Details
Main Authors: Chen-Shie Ho, Ing-Yi Chen, Sy-Yen Kuo
Format: Conference Proceeding
Language:English
Subjects:
Intelligent networks
Network topology
Optical design
Optical fiber networks
Protection switching
Spine
Telecommunication traffic
Traffic control
Wavelength division multiplexing
WDM networks
Online Access:Request full text
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Summary:Network survivability is a key issue in reliable WDM optical network design to assure the service guarantee to customers. Rather than conventional connection link/ path/subpath based protection switching scheme, we propose protection group (submesh)-based approach to fast recover traffic from single/multiple link/node failures. By the group-based spare resource discovery and exploitation, the local channel utilization of network are maximized and hence enhance the overall quality of protection. The simulation results show that the local resource utilization and restoration time are efficient under heavy load in the dynamic traffic environment over dense mesh backbone networks.
DOI:10.1109/AINA.2004.1283855