Abstract
Given the emergence of mobile cloud computing (MCC), its associated energy implications are witnessed at larger scale. With offloading computationally intensive tasks to the cloud datacentres being the basic concept behind MCC, most of the mobile terminal resources participating in the MCC collaborative execution are wasted as they remain idle until the mobile terminals receive responses from the datacentres. This is an additional wastage of resources alongside the cloud resources are already being addressed as massive energy consumers. Though the energy consumed of the idle mobile resources is insignificant in comparison with the cloud counterpart, such consumptions have drastic impacts on the mobile devices causing unnecessary battery drains. To this end, this paper proposes Mobilouds which encompass a multi-tier processing architecture with various levels of process cluster capacities and a software application to manage energy efficient utilization of such process clusters. Our proposed Mobilouds framework encourages the mobile device participation in the MCC collaborative execution, thereby reduces the presence of idle mobile resources and utilizes such idle resources in the actual task execution. Our performance evaluation results demonstrate that the Mobilouds framework offers the most energy-time balancing process clusters for task execution by effectively utilizing the available resources, in comparison with an entire cloud offloading strategy using 5G/4G networks.
Highlights
Mobile Cloud Computing (MCC) is an integrated framework encompassing cloud datacentres, mobile devices and communication infrastructure
Infrastructure providers generally provide supplements for hardware and software services; application providers are responsible for executing user requested services; developers are generally the consumers of cloud services who develop applications being hosted on the cloud datacentres; and end-users are the consumers of the MCC services
This paper addresses the issues of energy wastages incurred by the idle mobile resources and proposes a hybrid energy efficient MCC architecture, named Mobilouds, for the purpose of extending the participation of the mobile devices in the collaborative MCC execution to reduce the undesirable energy consumptions of the idle mobile resources with reduced service delays
Summary
Mobile Cloud Computing (MCC) is an integrated framework encompassing cloud datacentres, mobile devices and communication infrastructure. A semi-Markov decision process (SMDP)-based optimisation framework [24] has been proposed based on Dynamic Voltage Frequency Scaling (DVFS) to conserve energy drawn from mobile battery drains incurred during service requests All such works are witnessed to be conserving the mobile resources by offloading the computation to the datacentres. Though such energy levels are insignificant when compared to the cloud counter-part, utilising such idle resources is important for the mobile standards which would increase the battery efficiency of the mobile devices and reduces the overall execution time and energy consumptions of the MCC infrastructure This necessitates the demand for extending the participation of the mobile terminals by the way of developing a collaborative execution framework between the mobile terminals and the datacentres
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