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A Comprehensive Study on Backup-Bandwidth Reprovisioning After Network-State Updates in Survivable Telecom Mesh Networks

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3 Author(s)
Lei Song ; Yahoo! Inc., Sunnyvale, CA ; Jing Zhang ; Biswanath Mukherjee

The capacity of a telecom fiber is very high and continues to increase, due to the advances in wavelength-division multiplexing (WDM) technology. Thus, a fiber-link failure may cause huge data (and revenue) loss. Reprovisioning (or re-optimization) of backup (or protection) bandwidth is an effective approach to improve network survivability while preventing existing services from unnecessary interruption. Most research works to date focus on applying backup-resource reprovisioning when a network failure occurs, or at some particular intervals over a certain time period.

Published in:

IEEE/ACM Transactions on Networking  (Volume:16 ,  Issue: 6 )