A global-energy-aware virtual machine placement strategy for cloud data centers

What is it about?

Virtual machine (VM) placement is a key technique for energy optimization in cloud data centers. Previous work generally focus on how to place the VMs efficiently in servers to optimize the physical resources used (e.g., memory, bandwidth, CPU, etc.), network resources used or cooling energy consumption. These work can optimize the energy consumption of cloud data centers according to one or two aspects (e.g. server, network or cooling), however, these methods may cause increased energy consumption in other aspects.

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Photo by Felix Mittermeier on Unsplash

Photo by Felix Mittermeier on Unsplash

Why is it important?

we propose a global-energy-aware VMP (virtual machine placement) strategy to reduce, from multiple aspects, the total energy consumption of data centers. A two-step SAG algorithm is designed to lower the energy consumption of cloud data centers where multiple VMs are deployed.