Fog-Assisted Caching Employing Solar Renewable Energy for Delivering Video on Demand Service
Fog-Assisted Caching Employing Solar Renewable Energy for Delivering Video on Demand Service
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DOI：
10.1109/icton.2019.8840165
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发表时间：
2019-03
期刊：
影响因子：
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通讯作者：
Mohamad Bin Abdull Halim;S. Mohamed;T. El-Gorashi;J. Elmirghani
中科院分区：
文献类型：
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作者：
Mohamad Bin Abdull Halim;S. Mohamed;T. El-Gorashi;J. Elmirghani
本文研究了通过在具有能量存储设备（ESD）的太阳能雾数据中心中缓存视频点播（VoD）内容来减少传输网络和数据中心的布朗功耗。利用混合线性规划（MILP）模型来优化云或雾数据中心的交付。结果表明，对于具有相同功率使用效率（PUE）的棕色供电云和雾数据中心，通过从雾数据中心提供VoD需求，可以实现高达77%的传输网络功耗节省。使用完全可再生能源驱动的云数据中心和部分太阳能驱动的雾数据中心，当考虑使用250平方米的太阳能电池时，可以实现高达26%的节省。50 kWh容量的ESD可实现高达14%的额外节能。
This paper examines the reduction in brown power consumption of transport networks and data centres achieved by caching Video-on-Demand (VoD) contents in solar-powered fog data centers with Energy Storage Devices (ESDs). A Mixed Integer Linear Programming (MILP) model was utilized to optimize the delivery from cloud or fog data centres. The results reveal that for brown-powered cloud and fog data centres with same Power Usage Effectiveness (PUE), a saving by up to 77% in transport network power consumption can be achieved by delivering VoD demands from fog data centres. With fully renewable-powered cloud data centres and partially solar-powered fog data centres, savings of up to 26% can be achieved when considering 250 m2 solar cells. Additional saving by up to 14% can be achieved with ESDs of 50 kWh capacity.