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Reliable Multicast Sessions Provisioning in Sparse Light-Splitting DWDM Networks using P-Cycles

Ahmed Frikha 1 Bernard Cousin 1 Samer Lahoud 1 Miklós Molnár 2
1 ATNET - Advanced Technolgy in Networking
IRISA-D2 - RÉSEAUX, TÉLÉCOMMUNICATION ET SERVICES
2 MAORE - Méthodes Algorithmes pour l'Ordonnancement et les Réseaux
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier
Abstract : In this paper, we study the node and link protection using p-cycles for dynamic multicast sessions in alloptical DWDM networks. First, we propose a new concept for protecting nodes of light-trees under the sparse light-splitting and wavelength continuity constraints. Then, we integrate our concept in a novel algorithm, named node and link protecting candidate p-cycles based algorithm with sparse light-splitting constraints (NPCC-SSC). Our algorithm enables both node and link failure recovery in dynamic multicast traffic. Extensive simulations show that the NPCC-SSC algorithm achieves the best resource utilization, and outperforms the existing approaches in terms of blocking probability and computational time.
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https://hal-lirmm.ccsd.cnrs.fr/lirmm-00738078
Contributor : Miklos Molnar <>
Submitted on : Wednesday, April 14, 2021 - 11:24:19 AM
Last modification on : Wednesday, April 14, 2021 - 11:53:04 AM
Long-term archiving on: : Thursday, July 15, 2021 - 6:18:14 PM

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Ahmed Frikha, Bernard Cousin, Samer Lahoud, Miklós Molnár. Reliable Multicast Sessions Provisioning in Sparse Light-Splitting DWDM Networks using P-Cycles. CQR: Communications Quality and Reliability, May 2012, San Diego, CA, United States. ⟨10.1109/CQR.2012.6267097⟩. ⟨lirmm-00738078⟩

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