Abstract
Energy consumption is a first-order concern for today’s data centers. MapReduce is a cloud computing approach that is widely deployed in many data centers. Toward virtualizing data centers, we consider MapReduce-based virtual networks that need to be embedded onto a data center network. In this paper, we propose GreenMap, a novel energy-efficient embedding method that maps heterogeneous MapReduce-based virtual networks onto a heterogeneous data center network. Besides, we introduce a new incast problem that specially may happen in Virtualized Data Centers (VDCs). GreenMap also controls the incast queueing delay. We formulate a Mixed-Integer Disciplined Convex Program (MIDCP) for this method. Because the formulated MIDCP is NP-hard, we also propose a novel and scalable heuristic for GreenMap. Simulation results prove that both of the MIDCP and the heuristic reduce a data center network’s energy consumption effectively, and control the incast queueing delay.
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