Research Article
Design of VNF-Mapping with Node Protection in WDM Metro Networks
@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
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.
