Energy Efficient Indivisible Workload Distribution in Geographically Distributed Data Centers

Towards Energy Efficient Workload Placement in Data Centers

A new era of computing is being defined by a shift to aggregate computing resources into large-scale data centers (DCs) that are shared by a global pool of users. In this paradigm, DCs' operational energy costs are a rising concern as they continue an upward trend that is poised to surpass the capital cost of equipment in a typical lifetime usage model. A DC is a complex distributed system comp...

Energy-efficient Analytics for Geographically Distributed Big Data

Big data analytics on geographically distributed datasets (across data centers or clusters) has been attracting increasing interests in both academia and industry, posing significant complications for system and algorithm design. In this article, we systematically investigate the geo-distributed big-data analytics framework by analyzing the fine-grained paradigm and the key design principles. W...

Energy-Efficient Data Centers

Online virtual machine migration for renewable energy usage maximization in geographically distributed cloud data centers

Energy consumption and its associated costs represent a huge part of cloud providers’ operational costs. In this paper, we explore how much energy cost savings can be made knowing the future level of renewable energy (solar/wind) available in data centers. Since renewable energy sources have intermittent nature, we take advantage of migrating Virtual Machines (VMs) to the nearby data centers wi...

An Efficient Scheduling of HPC Applications on Geographically Distributed Cloud Data Centers

Cloud computing provides a flexible infrastructure for IT industries to run their High Performance Computing (HPC) applications. Cloud providers deliver such computing infrastructures through a set of data centers called a cloud federation. The data centers of a cloud federation are usually distributed over the world. The profit of cloud providers strongly depends on the cost of energy consumpt...