Research Area:  Fog Computing
Fog computing has attracted considerable attention to meet the location awareness and real-time response requirements of various applications. However, compared to cloud computing, fog devices have relatively limited power supplies, computation resources, and communication resources, raising design challenges to meet real-time response requirements. To balance response time and energy consumption for multiple fog devices running multiple applications, this work presents an energy-efficient offloading decision mechanism and an offloading dispatcher to dispatch applications to the corresponding device by effectively managing the computation and communication resources of all devices in a fog computing environment. The offloading tasks are composed of several subtasks with an end-to-end deadline. To meet the response time requirements of such applications, a run-time scheduler with an end-to-end latency schedulability consideration is also presented. Evaluation results show considerable energy savings using this framework and a real platform study provides validation.
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Author(s) Name:  Yu-Lin Jiang; Ya-Shu Chen; Su-Wei Yang; Chia-Hsueh Wu
Journal name:  IEEE Systems Journal
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Publisher name:  IEEE
DOI:  10.1109/JSYST.2018.2877850
Volume Information:   Volume: 13, Issue: 3, Sept. 2019, Page(s): 2930 - 2941
Paper Link:   https://ieeexplore.ieee.org/abstract/document/8543232