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Performance evaluation of revised virtual resources allocation scheme in network function virtualization (NFV) networks

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Abstract

The design, management, and operation of network infrastructure have evolved during the last few years, leveraging on innovative technologies and architectures. With such a huge trend, due to the flexibility and significant economic potential of these technologies, software-defined networking (SDN) and network functions virtualization (NFV) are emerging as the most indispensable key catalysers. SDN/NFV enhancing the infrastructure agility, thus network operators and service providers are able to program their own network functions (e.g., gateways, routers, load balancers) on vendor-independent hardware substrate. One of the most important considerations in NFV deployment is how to allocate the virtual resources that are needed to provide flexible virtual network services in an NFV-based network infrastructure. Thus, the most important prerequisite for NFV deployment is achieved fast, scalable and dynamic composition and allocation of networks functions (NFs) to implement network services (NSs). We have proposed a revised RA algorithm that integrates embedding and scheduling of virtual network functions (VNFs) simultaneously. In this paper, performance evaluation of the revised RA algorithm is performed and the proposed algorithm is applied more effectively in NFV environment where the demand for resources is flexible and concentrated.

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Authors and Affiliations

  1. Department of Computer Science, Namseoul University, Cheonan, Korea

    Hyuncheol Kim

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  1. Hyuncheol Kim
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Correspondence to Hyuncheol Kim.

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Funding for this paper was provided by Namseoul University.

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Kim, H. Performance evaluation of revised virtual resources allocation scheme in network function virtualization (NFV) networks. Cluster Comput 22 (Suppl 1), 2331–2339 (2019). https://doi.org/10.1007/s10586-018-1840-9

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  • DOI: https://doi.org/10.1007/s10586-018-1840-9

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