Broadband Communications, Networks, and Systems. 10th EAI International Conference, Broadnets 2019, Xi’an, China, October 27-28, 2019, Proceedings

Research Article

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

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  • @INPROCEEDINGS{10.1007/978-3-030-36442-7_19,
        author={Lidia Ruiz and Ram\^{o}n Dur\^{a}n and Ignacio Miguel and Noem\^{\i} Merayo and Juan Aguado and Patricia Fern\^{a}ndez and Rub\^{e}n Lorenzo and Evaristo Abril},
        title={Design of VNF-Mapping with Node Protection in WDM Metro Networks},
        proceedings={Broadband Communications, Networks, and Systems. 10th EAI International Conference, Broadnets 2019, Xi’an, China, October 27-28, 2019, Proceedings},
        proceedings_a={BROADNETS},
        year={2019},
        month={12},
        keywords={NFV Resilience VNF-Provisioning VNF-Chaining Virtual topology design VNF-Protection},
        doi={10.1007/978-3-030-36442-7_19}
    }
    
  • Lidia Ruiz
    Ramón Durán
    Ignacio Miguel
    Noemí Merayo
    Juan Aguado
    Patricia Fernández
    Rubén Lorenzo
    Evaristo Abril
    Year: 2019
    Design of VNF-Mapping with Node Protection in WDM Metro Networks
    BROADNETS
    Springer
    DOI: 10.1007/978-3-030-36442-7_19
Lidia Ruiz1,*, Ramón Durán1,*, Ignacio Miguel1, Noemí Merayo1, Juan Aguado1, Patricia Fernández1, Rubén Lorenzo1, Evaristo Abril1
  • 1: Universidad de Valladolid
*Contact email: lruiper@ribera.tel.uva.es, rduran@tel.uva.es

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.