Ubiquitous Computing and Communication Journal
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Abstract
Title: COST EFFECTIVE DATACENTER CAPACITY PLANNING ANALYSIS USING MODALITY COST METHODOLOGY
Authors: Mr. Moustafa Noureddine, Dr. Rabih Bashroush
Abstract:
In resource provisioning for datacenters, an important issue is how resources may be allocated to an application such that the service level agreements (SLAs) are met. Resource provisioning is usually guided by intuitive or heuristic expectation of performance and existing user model. Provisioning based on such methodology, however, usually leads to more resources than are actually necessary. While such overprovisioning may guarantee performance, this guarantee may come at a very high cost. A quantitative performance estimate may guide the provider in making informed decisions about the right level of resources, so that acceptable service performance may be provided in a cost-effective manner. A quantitative estimate of application performance must consider its workload characteristics. Due to the complex workload characteristics of commercial software, estimation of its performance and provisioning to optimize for cost is not straightforward. In this work we look at breaking an application into isolated modalities. We measured resource cost per modality and validate as an effective methodology to provision datacenters to optimize for performance and minimize cost.