Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Routing Performance Evaluation of a Multi-Domain Hybrid SDN for its Implementation in Carrier Grade ISP Networks

Babu R Dawadi
* ORCID logo ,
Abhishek Thapa
,
Roshan Guragain
,
Dilochan Karki
,
Sandesh P Upadhyaya
,
Shashidhar R Joshi
Version 1 : Received: 23 May 2021 / Approved: 24 May 2021 / Online: 24 May 2021 (13:40:13 CEST)
Version 2 : Received: 4 July 2021 / Approved: 5 July 2021 / Online: 5 July 2021 (12:20:08 CEST)

A peer-reviewed article of this Preprint also exists.

Dawadi, B.R.; Thapa, A.; Guragain, R.; Karki, D.; Upadhaya, S.P.; Joshi, S.R. Routing Performance Evaluation of a Multi-Domain Hybrid SDN for Its Implementation in Carrier Grade ISP Networks. Appl. Syst. Innov. 2021, 4, 46. Dawadi, B.R.; Thapa, A.; Guragain, R.; Karki, D.; Upadhaya, S.P.; Joshi, S.R. Routing Performance Evaluation of a Multi-Domain Hybrid SDN for Its Implementation in Carrier Grade ISP Networks. Appl. Syst. Innov. 2021, 4, 46.

Abstract

Legacy IPv4 networks are strenuous to manage and operate. Network operators are in need to minimize the capital and operational expenditure of running network infrastructure. The implementation of Software-defined networking (SDN) addresses those issues by minimizing the expenditure in the long run. Legacy networks need to integrate with the SDN networks for the smooth migration towards the fully functional SDN environment. In this paper, we compare the network performance of the legacy network with the SDN network for IP routing in order to determine the feasibility of the SDN deployment in the Internet Service provider (ISP) network. The simulation of the network is performed in the Mininet test-bed and the network traffic is generated using Distributed Internet Traffic Generator. Open network operating system is used as a controller for the SDN network in which SDN-IP application is used for IP routing. Round trip time, bandwidth, and packet transmission rate from both SDN and legacy networks are first collected and then the comparison is done. We found that SDN-IP provides better bandwidth and latency compared to legacy routing. The experimental analysis of interoperability between SDN and legacy networks shows that SDN implementation in production level carrier-grade ISP network is viable and progressive.

Keywords

ISP; SDN; SDN-IP; legacy network; performance comparison

Subject

Computer Science and Mathematics, Algebra and Number Theory

Copyright: 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.

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