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Sustainability 2015, 7(5), 5413-5430; doi:10.3390/su7055413

An Optimal Path Computation Architecture for the Cloud-Network on Software-Defined Networking

1
KREONET Center, Korea Institute of Science & Technology Information, Daejeon 305-338, Korea
2
School of Information Technology Engineering, Catholic University of Daegu, Gyeongsangbuk-do 712-702, Korea
3
Department of Multimedia Engineering, Dongguk University, Seoul 100-715, Korea
4
Department of Computer Science & Engineering, Seoul National University of Science & Technology, Seoul 139-743, Korea
*
Author to whom correspondence should be addressed.
Academic Editor: Marc A. Rosen
Received: 4 December 2014 / Revised: 6 April 2015 / Accepted: 10 April 2015 / Published: 5 May 2015

Abstract

Legacy networks do not open the precise information of the network domain because of scalability, management and commercial reasons, and it is very hard to compute an optimal path to the destination. According to today’s ICT environment change, in order to meet the new network requirements, the concept of software-defined networking (SDN) has been developed as a technological alternative to overcome the limitations of the legacy network structure and to introduce innovative concepts. The purpose of this paper is to propose the application that calculates the optimal paths for general data transmission and real-time audio/video transmission, which consist of the major services of the National Research & Education Network (NREN) in the SDN environment. The proposed SDN routing computation (SRC) application is designed and applied in a multi-domain network for the efficient use of resources, selection of the optimal path between the multi-domains and optimal establishment of end-to-end connections. View Full-Text
Keywords: SDN; path computation; SRC architecture; cloud-networking SDN; path computation; SRC architecture; cloud-networking
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Cho, H.; Park, J.; Gil, J.-M.; Jeong, Y.-S.; Park, J.H. An Optimal Path Computation Architecture for the Cloud-Network on Software-Defined Networking. Sustainability 2015, 7, 5413-5430.

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