Journal of Computer Networks
ISSN (Print): 2372-4749 ISSN (Online): 2372-4757 Website: http://www.sciepub.com/journal/jcn Editor-in-chief: Sergii Kavun, Naima kaabouch
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Journal of Computer Networks. 2018, 5(1), 8-15
DOI: 10.12691/jcn-5-1-2
Open AccessArticle

Replacement Algorithm of Virtual Service Resources with Dynamic Resource Allocation Based on Traffic Change in Virtual Networks

Sakie Horiuchi1, and Takuji Tachibana1

1Graduate School of Engineering, University of Fukui, Fukui, Japan

Pub. Date: September 26, 2018

Cite this paper:
Sakie Horiuchi and Takuji Tachibana. Replacement Algorithm of Virtual Service Resources with Dynamic Resource Allocation Based on Traffic Change in Virtual Networks. Journal of Computer Networks. 2018; 5(1):8-15. doi: 10.12691/jcn-5-1-2

Abstract

Multiple virtual networks are constructed by using network virtualization technology on a substrate network with network resources. By using virtual service resources, a particular service can be provided with users over each virtual network. Moreover, network virtualization for mobile users has been expected in the future network service. In mobile virtual networks, mobile user moves from a node to other nodes and connects to other access points frequently. Therefore, the traffic on each link and each node in the virtual network changes. Because the quality of the service depends on the amount of traffic on links and nodes, the quality of services changes according to the user’s movement. This paper proposes replacement algorithm of virtual service resources with dynamic resource allocation based on traffic change for mobile applications in virtual networks. In our proposed method, the amount of resources for each node and that for each link are changed based on the traffic change. Moreover, the virtual service resource moves to the adjacent node from a node, and this replacement is repeated until the quality of service satisfies the requested quality. With our proposed method, it is expected that the quality of service can be maintained for mobile users even if the amount of traffic changes. We evaluate the performance of our proposed method with simulation. In numerical examples, it is shown that our proposed method is effective when a larger number users move and the amount of traffic changes.

Keywords:
virtual network virtual service resource traffic change mobile user

Creative CommonsThis work is licensed under a Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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