Capacity Planning for Virtualized Servers

6 Pages Posted: 18 Nov 2007

See all articles by Martin Bichler

Martin Bichler

Technische Universität München (TUM)

Thomas Setzer

Technische Universität München (TUM)

Benjamin Speitkamp

Technische Universität München (TUM)

Abstract

Today's data centres offer many different IT services mostly hosted on dedicated physical servers. Virtualization provides a technical means for server consolidation leading to increased server utilization. The term refers to the abstraction of computing resources across many aspects of computing and has been used to describe different techniques. Virtualization engines allow hosting multiple virtual servers (including operating system plus applications) on a single physical server, and sometimes to migrate and dynamically allocate these virtual servers to physical servers on demand. This allows for much flexibility in capacity management. This article presents a number of capacity planning problems in the presence of virtualized IT infrastructures and decision models to allocate these virtual servers optimally. Based on a data set of CPU traces from a data centre provider, we present the results of experiments using different problem formulations.

Keywords: IT Service Operations Management, Server Virtualization, Capacity Planning, Server Consolidation, Resource Allocation

Suggested Citation

Bichler, Martin and Setzer, Thomas and Speitkamp, Benjamin, Capacity Planning for Virtualized Servers. Presented at Workshop on Information Technologies and Systems (WITS), Milwaukee, Wisconsin, USA, 2006, Available at SSRN: https://ssrn.com/abstract=1025862

Martin Bichler

Technische Universität München (TUM) ( email )

Arcisstrasse 21
Munich, DE 80333
Germany

Thomas Setzer

Technische Universität München (TUM) ( email )

Arcisstrasse 21
Munich, DE 80333
Germany

Benjamin Speitkamp (Contact Author)

Technische Universität München (TUM) ( email )

Arcisstrasse 21
Munich, DE 80333
Germany

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