Thiruvasakan, Lakshmi Priya, Vien, Quoc-Tuan, Loo, Jonathan ORCID: https://orcid.org/0000-0002-2197-8126 and Mapp, Glenford (2019) A QoS-based flow assignment for traffic engineering in software-defined networks. In: International Conference on Advanced Information Networking and Applications, 27-29 Mar 2019, Kunibiki Messe, Matsue, Japan.

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Abstract

In order to meet a tremendous amount of data storage requirement in next-generation wireless networks, an increasing number of cloud data centers has been deployed around the world. The underlying core networks are expected to provide the ability to store data in a dynamic and scalable computing environment. The traditional Internet Protocol (IP) has shown to be restricted due to its static architecture, which accordingly motivates the development of Software-Defined Networks (SDNs). In the SDNs, Traffic Engineering (TE) is simpler and programmable with a controller without the requirement of reconfiguration for all network devices. However, the existing TE algorithm of the SDNs rejects a number of requested flows caused by their undetermined routing paths where only flow bandwidth is considered in path determination. This paper proposes a Quality-of-Service (QoS) based Flow Assignment algorithm which enables the computation of end-to-end path for traffic flows guaranteeing the QoS requirements including bandwidth, end-to-end delay and packet loss probability. Through the Open Source Hybrid IP/SDNs platform, the proposed algorithm is validated and shown to significantly reduce flow rejection rate of up to 50% compared to the conventional approach, and therefore can be used to implement an effective DiffServ mechanism for flow allocation in the SDNs.

Item Type:	Conference or Workshop Item (Paper)
ISSN:	2194-5357
ISBN:	9783030150310
Identifier:	10.1007/978-3-030-15032-7_64
Page Range:	pp. 762-774
Identifier:	10.1007/978-3-030-15032-7_64
Subjects:	Computing > Software engineering Computing
Depositing User:	Users 4141 not found.
Date Deposited:	06 Dec 2019 11:54
Last Modified:	28 Aug 2021 07:12
URI:	https://repository.uwl.ac.uk/id/eprint/6590

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