Measuring and monitoring the QoS and QoE in software defined networking environments

Jan Rozhon; Filip Rezac; Jakub Safarik; Erik Gresak; Jakub Jalowiczor

doi:10.1117/12.2518838

7 May 2019 Measuring and monitoring the QoS and QoE in software defined networking environments

Jan Rozhon, Filip Rezac, Jakub Safarik, Erik Gresak, Jakub Jalowiczor

Proceedings Volume 11018, Signal Processing, Sensor/Information Fusion, and Target Recognition XXVIII; 110181M (2019) https://doi.org/10.1117/12.2518838
Event: SPIE Defense + Commercial Sensing, 2019, Baltimore, MD, United States

Abstract

Software Defined Networks (SDN) are gaining attraction with the expanding use of complex data center infrastructures that accommodate the increasing demand for computational power related to much more feature-rich web applications and common use of deep learning algorithms. The increased set of features being used in the applications are reflected in the increased demands on network architectures starting with the higher network throughput, through the need for complex high-availability schemes and ending with near-perfect delay/loss communication characteristics. This increased demand resulted in the need for more flexible network architectures resulting in the major change in the networking paradigm and the related shift from traditional networks to software defined ones. The quality of service (QoS) in the networks and quality of experience (QoE) of the end-user services is a major topic of interest in the networking community resulting in several approaches implemented in the networks to ensure resource reservation or traffic prioritization. In this paper, we propose a way how to propagate the arbitrary qualitative parameter in the OpenFlow messages that would allow for easy monitoring of the quality of service and quality of experience. Moreover, we focus on the measurement of the quality of speech and the consecutive propagation of the information through the SDN network to allow SDN controllers and the OpenFlow capable switches controlled by them to react on the decreasing quality and support the services being carried through the network. The paper describes the way how the quality is measured, how the information is processed by the controller and how it is encapsulated in the OpenFlow messages. The assumptions are validated in the simulations based on the mininet simulation tool and Ryu SDN controller. The implications for the carried voice quality are discussed as well.

Citation Download Citation

Jan Rozhon, Filip Rezac, Jakub Safarik, Erik Gresak, and Jakub Jalowiczor "Measuring and monitoring the QoS and QoE in software defined networking environments", Proc. SPIE 11018, Signal Processing, Sensor/Information Fusion, and Target Recognition XXVIII, 110181M (7 May 2019); https://doi.org/10.1117/12.2518838

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