Cost and Benefit of the SLA Mapping Approach for Defining Standardized Goods in Cloud Computing Markets

Michael Maurer (), Vincent Emeakaroha (), Ivona Brandic () and Jörn Altmann
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Ivona Brandic: Information Systems Institute, Vienna University of Technology

No 201069, TEMEP Discussion Papers from Seoul National University; Technology Management, Economics, and Policy Program (TEMEP)

Abstract: Due to the large variety in computing resources and, consequently, the large number of different types of Service Level Agreements (SLAs), any market for computing resources faces the potential problem of a low market liquidity. To counteract this problem, offering a set of standardized computing resources is appropriate. Each of these standardized computing resources is defined through an SLA template. An SLA template defines the structure of an SLA, the attributes, the names of the attributes, and the attribute values. Since these SLA templates are currently static, they cannot reflect changes in users' needs. To address this shortcoming, we present the novel approach of adaptive SLA matching. This approach adapts SLA templates based on SLA mappings by allowing Cloud users to define mappings between public SLA templates, which are available in the Cloud market, and their private SLA templates, which are used for various in-house business processes of the Cloud user. Besides showing how public SLA templates adapt to the demand of users, we also analyze the benefits and costs of this approach. Costs are incurred every time a user has to define a new SLA mapping to a public SLA template due to its adaptation. In particular, within this paper, we investigate the cost depending on the use of different public SLA template adaptation methods. The simulation results show that the use of heuristics within adaptation methods helps balancing the cost and benefit of the SLA mapping approach.

Keywords: Cloud economics; computing markets; market liquidity; simulation. (search for similar items in EconPapers)
JEL-codes: C15 C61 C63 D40 D45 L22 L86 M15 (search for similar items in EconPapers)
Pages: 8 pages
Date: 2010-12, Revised 2010-12
New Economics Papers: this item is included in nep-cmp
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

Published in UCC 2010, International Conference on Utility and Cloud Computing, Chennai, India, December 2010.

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Persistent link: https://EconPapers.repec.org/RePEc:snv:dp2009:201069

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