Advances and New Trends in Environmental and Energy by Jorge Marx Gomez, Michael Sonnenschein, Ute Vogel, Andreas

By Jorge Marx Gomez, Michael Sonnenschein, Ute Vogel, Andreas Winter, Barbara Rapp, Nils Giesen

This e-book provides the most recent findings and ongoing learn within the box of eco-friendly details structures and eco-friendly info and communique expertise (ICT). It presents insights right into a entire variety of cross-cutting themes in ICT and environmental sciences in addition to showcases how details and conversation applied sciences enable environmental and effort potency concerns to be dealt with successfully. The papers awarded during this booklet are a variety of prolonged and enhanced contributions to the twenty eighth overseas convention on Informatics for Environmental safeguard devoted to ICT for strength potency. This ebook is key and especially worthy analyzing should you already received uncomplicated wisdom and need to deepen and expand their services within the matters pointed out above.

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We point out the insignificance of involving all VMs into the solution process according to our assumption that there is no significant potential lost by involving just a reduced number of VMs. Therefore, we compare the resulted configuration of our approach with an offline calculated configuration embracing all VMs. Finally, we have to prove the additional efficiency and demonstrate the benefits of controllable power consumption. In this context, we evaluate available open source tools and testbeds to treat both aspects and show the advantage of our methodology in context of volatile power availability.

In [25], the authors present the idea of a carbonaware data center operation. They propose three key ideas to implement this concept: on-site and off-site renewable energies and Renewable Energy Certificates (REC). In our research, the usage of RECs is, however, not a legitimate concept. In [4], the authors discuss the possibilities of integrating a data center into demand response schemes. They also present financial evaluations to determine, at which point the data center can benefit from these methods.

Details of this literature study can be found in [6]. 42 A. Memari et al. Simulation of data center power was addressed by the CloudSim toolkit [11]. It provides the capabilities for modeling and simulating data centers with focus on Virtual Machines (VMs) allocation policies as a main method for optimizing power demand. It provides at its core implementation of various policies and allows the user to implement custom ones. CloudSim is written in Java and exposes an Application Programming Interface (API), but does not provide any graphical interface for designing the data center or running the simulation.

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