Examining the Quality Metrics of a Communication Network with Distributed Software-Defined Networking Architecture

Khawaja Tahir Mehmood^1,2,*, Shahid Atiq¹, Intisar Ali Sajjad³, Muhammad Majid Hussain⁴, Malik M. Abdul Basit²
1 Department of Electrical Engineering, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, 64200, Pakistan
2 Department of Telecommunication Systems, Bahauddin Zakariya University, Multan, 60000, Pakistan
3 Department of Electrical Engineering, University of Engineering and Technology, Taxila, 47050, Pakistan
4 School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh, EH14 4AS, UK
* Corresponding Author: Khawaja Tahir Mehmood. Email: email
(This article belongs to the Special Issue: Emerging Technologies in Information Security )

Computer Modeling in Engineering & Sciences https://doi.org/10.32604/cmes.2024.053903

Received 13 May 2024; Accepted 26 July 2024; Published online 10 September 2024

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Abstract

Software-Defined Networking (SDN), with segregated data and control planes, provides faster data routing, stability, and enhanced quality metrics, such as throughput (T_h), maximum available bandwidth (B_d(max)), data transfer (D_Transfer), and reduction in end-to-end delay (D_(E-E)). This paper explores the critical work of deploying SDN in largescale Data Center Networks (DCNs) to enhance its Quality of Service (QoS) parameters, using logically distributed control configurations. There is a noticeable increase in Delay_(E-E) when adopting SDN with a unified (single) control structure in big DCNs to handle Hypertext Transfer Protocol (HTTP) requests causing a reduction in network quality parameters (B_d(max), T_h, D_Transfer, D_(E-E), etc.). This article examines the network performance in terms of quality matrices (bandwidth, throughput, data transfer, etc.), by establishing a large–scale SDN-based virtual network in the Mininet environment. The SDN network is simulated in three stages: (1) An SDN network with unitary controller-POX to manage the data traffic flow of the network without the server load management algorithm. (2) An SDN network with only one controller to manage the data traffic flow of the network with a server load management algorithm. (3) Deployment of SDN in proposed control arrangement (logically distributed controlled framework) with multiple controllers managing data traffic flow under the proposed Intelligent Sensing Server Load Management (ISSLM) algorithm. As a result of this approach, the network quality parameters in large-scale networks are enhanced.

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Examining the Quality Metrics of a Communication Network with Distributed Software-Defined Networking Architecture

Keywords

Software defined networking; quality of service; hypertext transfer protocol; data transfer rate; latency; maximum available bandwidth; server load management

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Examining the Quality Metrics of a Communication Network with Distributed Software-Defined Networking Architecture

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