Cost Effective Network Flow Measurement for Software Defined Networks: A Distributed Controller Scenario

Tahaei, Hamid and Salleh, Rosli and Ab Razak, Mohd Faizal and Ko, Kwangman and Anuar, Nor Badrul (2018) Cost Effective Network Flow Measurement for Software Defined Networks: A Distributed Controller Scenario. IEEE Access, 6. pp. 5182-5198. ISSN 2169-3536, DOI https://doi.org/10.1109/ACCESS.2017.2789281.

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Official URL: https://doi.org/10.1109/ACCESS.2017.2789281

Abstract

Software-defined networking (SDN) has emerged as an evolutionary paradigm in datacenter networks by separating data from control plane and centralizing network decision making. Traffic flow measurement in SDN is relatively lightweight in comparison to the traditional methods. It enables flow measurement system to overcome the issues of traditional measurement systems, such as cost and accuracy by employing a centralized controller. Nevertheless, a full physically centralized controller introduces negative impacts on the network as well as the measurement system (i.e., introducing extra overhead or accuracy issues). However, few efforts have been devoted to measurement techniques in SDN distributed controller architecture, where every controller pulls its corresponding flow statistics, and these statistics are required to expose by only one single expression as if they are collected by one controller. Moreover, the imposed costs of flow measurement in distributed controller architecture are still an issue that remains unsolved. In this paper, we attempt to fill in this gap and present a novel and a practical solution for a cost-effective measurement system in SDN distributed controller deployment. We also propose a synchronization mechanism for aggregating traffic statistics in the multiple controller model. We evaluate our method through extensive emulations in a datacenter topology and present our findings to demonstrate the impact of multiple controllers on overhead and accuracy.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: Flow statistical collection; Network flow measurement; Network traffic monitoring; Software defined networking
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Divisions: Faculty of Computer Science & Information Technology
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 04 Mar 2019 06:43
Last Modified: 04 Mar 2019 06:43
URI: http://eprints.um.edu.my/id/eprint/20581

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