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Energy efficiency is becoming an important issue in networks. Although some research works have been devoted to this topic, only a little attention has been paid to the stability of the network equipped with the energy conservation mechanisms. In fact, we find that the stability of networks can be undermined in the worst case if it isn't considered with care by the energy conservation mechanism.In...
The Malleable Parallel Task Scheduling problem (MPTS) is an extension of one of the most classic scheduling problems (P∥C max ). The only difference is that for MPTS, each task can be processed simultaneously by more than one processor. Such flexibility could dramatically reduce the makespan, but greatly increase the difficulty for solving the problem. By carefully analyzing some existing...
The current networks are often designed with redundancy in order to deal with unexpected failures, but this makes a large amount of energy consumption and bandwidth waste. In the real networks, the performance is limited by the link's capacity which gives an upper bound of the traffic amount conveying through the links. In order to explore energy saving methods in the networks, we consider a model...
A simple yet common scheduling problem is identified, as a special case of the R||Cmax problem. We name it Linear Makespan Minimization on Unrelated Parallel Machines (LMMUPM). A novel algorithm, MOBSA (Multi-Objective Based Scheduling Algorithm), is presented to solve it. Two auxiliary problems are introduced as the basis of our algorithm. The first one can be reduced to a Multi-Objective Integer...
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