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Designing Fast and Bandwidth Efficient Protection Scheme for WDM Optical Networks
[chapter]
2006
Lecture Notes in Computer Science
In this paper, we introduce the Pre-cross-connected Segment First -PXSFirst protection scheme; a new path-based protection schemes for WDM optical networks. The goal of the PXSFirst scheme is to achieve fast recovery, while maximizing bandwidth sharing to improve bandwidth utilization. Similar to pre-cross-connected trails (PXTs) protection scheme, PXSFirst ensures that all backup paths are pre-crossconnected, and hence eliminates the switching configuration delay along backup paths. However,
doi:10.1007/11753810_33
fatcat:htdvu44dgbbotir5y7jnvgz3ei