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As a new computing paradigm, cloud computing has significantly contributed to the rapid development of massive data centers. However, the corresponding energy issue becomes increasingly challenging. In this paper, we focus on the energy saving issue for virtual machine (VM) selections on an overloaded host in a cloud computing environment. We analyze the energy influencing factors during a VM migration,...
Ternary content addressable memories (TCAMs) give a simple and fast solution to IP lookups. However, the high power consumption in TCAMs limits the router design to fewer ports. In this paper, we propose an algorithm to partition prefixes in the routing table exactly and a power-aware architecture with two level TCAMs, index_TCAM and sub_TCAM. For the bursty access pattern, we propose a load-balancing...
In this paper, we propose a new algorithm for dynamic voltage scaling (DVS) based on feedback control mechanism. Besides handling a periodic tasks, our algorithm significantly reduces the energy consumption of periodic tasks and consequently the energy consumption of the whole task set. The results show that, comparing to on-line dynamic voltage scaling (the best algorithm to our knowledge), our approach...
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