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Abstract
The energy consumption of cloud computing continues to be an area of significant concern as data center growth continues to increase. This paper reports on an energy efficient interoperable cloud architecture realised as a cloud toolbox that focuses on reducing the energy consumption of cloud applications holistically across all deployment models. The architecture supports energy efficiency at service construction, deployment and operation. We discuss our practical experience during implementation of an architectural component, the Virtual Machine Image Constructor (VMIC), required to facilitate construction of energy aware cloud applications. We carry out a performance evaluation of the component on a cloud testbed. The results show the performance of Virtual Machine construction, primarily limited by available I/O, to be adequate for agile, energy aware software development. We conclude that the implementation of the VMIC is feasible, incurs minimal performance overhead comparatively to the time taken by other aspects of the cloud application construction life-cycle, and make recommendations on enhancing its performance.
Highlights
Current trends in industry show continuous growth in the adoption and market value of cloud computing with many companies changing their business models and products to adapt to a service oriented outlook
Cloud computing as a leading ICT approach provides elastic and on-demand ICT infrastructures makes up a large proportion of the total ICT energy consumption
“Cloud engineering” section explains our vision of a self-adaptive development life-cycle and how this can enable energy aware cloud application construction through our Virtual Machine Image Constructor (VMIC) tool
Summary
Current trends in industry show continuous growth in the adoption and market value of cloud computing with many companies changing their business models and products to adapt to a service oriented outlook. To the best of our knowledge, no current software solution provides capabilities to both generate base images that contain a functional operating system and install and configure a cloud application automatically. A Virtual Machine Image Constructor (VMIC) is key to support adaptive software development processes in an energy-aware SaaS architecture.
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