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2019 | OriginalPaper | Chapter

Design of VNF-Mapping with Node Protection in WDM Metro Networks

Authors : Lidia Ruiz, Ramón J. Durán, Ignacio de Miguel, Noemí Merayo, Juan Carlos Aguado, Patricia Fernández, Rubén M. Lorenzo, Evaristo J. Abril

Published in: Broadband Communications, Networks, and Systems

Publisher: Springer International Publishing

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Abstract

Network Function Virtualization (NFV) is considered to be one of the enabling technologies for 5G. NFV poses several challenges, like deciding the virtual network function (VNF) placement and chaining, and adding backup resources to guarantee the survivability of service chains. In this paper, we propose a genetic algorithm that jointly solves the VNF-placement, chaining and virtual topology design problem in WDM metro ring network, with the additional capacity of providing node protection. The simulation results show how important is to solve all of these subproblems jointly, as well as the benefits of using shared VNF and network resources between backup instances in order to reduce both the service blocking ratio and the number of active CPUs.

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Metadata
Title
Design of VNF-Mapping with Node Protection in WDM Metro Networks
Authors
Lidia Ruiz
Ramón J. Durán
Ignacio de Miguel
Noemí Merayo
Juan Carlos Aguado
Patricia Fernández
Rubén M. Lorenzo
Evaristo J. Abril
Copyright Year
2019
DOI
https://doi.org/10.1007/978-3-030-36442-7_19

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