Optimal VM placement in data centres with architectural and resource constraints Online publication date: Fri, 27-Nov-2015
by Deze Zeng; Song Guo; Huawei Huang; Shui Yu; Victor C.M. Leung
International Journal of Autonomous and Adaptive Communications Systems (IJAACS), Vol. 8, No. 4, 2015
Abstract: Recent advance in virtualisation technology enables service provisioning in a flexible way by consolidating several virtual machines (VMs) into a single physical machine (PM). The inter-VM communications are inevitable when a group of VMs in a data centre provide services in a collaborative manner. With the increasing demands of such intra-data-centre traffics, it becomes essential to study the VM-to-PM placement such that the aggregated communication cost within a data centre is minimised. Such optimisation problem is proved NP-hard and formulated as an integer programming with quadratic constraints in this paper. Different from existing work, our formulation takes into consideration of data-centre architecture, inter-VM traffic pattern, and resource capacity of PMs. Furthermore, a heuristic algorithm is proposed and its high efficiency is extensively validated.
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