Abstract
The introduction of Space division multiplexing (SDM) in optical networks brings new challenges for protection of networks since a lightpath can span multiple cores. In this paper, we investigate the problem of dynamic protection against two simultaneous failures in spacial division multiplexing elastic optical networks. For that, we propose a new path-protection sharing spectrum and straddling p-cycle FIPP algorithm called Sharing Slot and Straddling p-Cycle FIPP (SSSPF). In SSSPF, each connection is assigned one primary path and one link-disjoint backup path. SSSPF is the first algorithm in literature, to provide protection against two simultaneous failure in SDM elastic optical network.
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