Mobility

Evaluating the Efficiency of Shortcut Span Protection

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Executive Summary

This paper presents a comparison of various recovery methods in terms of capacity efficiency with the underlying aim of reducing control plane load. In particular, a method where recovery requests are bundled towards the destination (shortcut span protection) is evaluated can compared against traditional recovery methods. The optimization model is presented and the authors' simulation results show that shortcut span protection uses more capacity than the unbundled related methods, but this is compensated by easier control and management of the recovery actions.

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