A Novel Approach for Link/Path Protection in Dual-Link Failures

Provided by: International Journal of Modern Engineering Research (IJMER)
Topic: Networking
Format: PDF
In every network people see the link failures are common, for this purpose networks having the scheme to protect their links against the link failures. Link protection helps fast recovery from link failures. Existing schemes either pre-reserve two backup paths for each demand or compute new backup paths for unprotected demands after the first link failure occurs. Both approaches require a large amount of backup capacity. In this paper, the authors propose a capacity efficient hybrid protection/restoration scheme for handling two-link failures. The protection component reserves backup capacity intelligently to ensure the majority of the affected demands can be restored using the pre-planned backup paths upon a two-link failure.

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