Abstract
SFCs are an ordered collection of virtual network functions (VNFs) that can be used to provide a specific network service. Service providers started using high performance VMs for deploying their VNFs. Deploying these VNFs in an improper and inefficient way can result in huge resource wastage, high power consumption, prolonged delays in services offered by SPs. Since resources are frequently under-utilized and/or over provisioned, limiting the number of active services improves resource utilization while reducing power consumption. In this paper, we formulated the energy efficient VNF placement problem as an Integer Linear Program (ILP) while considering resource utilization. We proposed an algorithm that selects VNF randomly and deploys it on a power efficient physical server with minimum resource wastage. We compared our proposed algorithm with existing baseline approaches. The proposed approach performs better than existing approaches in terms of number of active servers, CPU utilization, memory utilization, power consumption, resource wastage and delay in the network.
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Dubba, S., Killi, B.R. (2023). Energy Efficient Virtual Network Function Placement in NFV Enabled Networks. In: Barolli, L. (eds) Advanced Information Networking and Applications. AINA 2023. Lecture Notes in Networks and Systems, vol 654. Springer, Cham. https://doi.org/10.1007/978-3-031-28451-9_47
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DOI: https://doi.org/10.1007/978-3-031-28451-9_47
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