Scalability testing of MS lync services: towards optimal provisioning of virtualised hardware

Authors:
Knut Helge Rygg;Gunnar Brataas;Geir Millstein;Terje Molle
Affiliations:
IDI, NTNU, Trondheim, Norway;SINTEF ICT and IDI, NTNU, Trondheim, Norway;Telenor GID, Oslo, Norway;Telenor GID, Oslo, Norway
Venue:
Proceedings of the 4th ACM/SPEC International Conference on Performance Engineering
Year:
2013

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Abstract

A method for scalability testing of the Microsoft Lync 2010 communication system is presented, exploring the relation between system size and system load. The method can be used for optimal provisioning, balancing user Quality of Experience (QoE) with equipment volume and energy consumption. Observing a standard edition of Lync, on a virtualised platform using the VMware hypervisor, the method indicated linear scalability. QoE was mainly limited by the Mean Opinion Score (MOS). This MOS limit corresponded to a Lync front end server utilisation of about 60%.