Computation Offloading Toward Edge Computing

We are living in a world where massive end devices perform computing everywhere and everyday. However, these devices are constrained by the battery and computational resources. With the increasing number of intelligent applications (e.g., augmented reality and face recognition) that require much mor...

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Vydáno v:Proceedings of the IEEE Ročník 107; číslo 8; s. 1584 - 1607
Hlavní autoři: Lin, Li, Liao, Xiaofei, Jin, Hai, Li, Peng
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 01.08.2019
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Augmented reality
Backscatter
Batteries
Cloud computing
Computation offloading
Edge computing
End users
Energy harvesting
Face recognition
Internet of Things
Internet of Things (IoT)
mobile cloud computing (MCC)
Mobile computing
mobile edge computing (MEC)
Radio frequency
Resource management
Smart buildings
State-of-the-art reviews
Throughput
Wireless communication
ISSN:0018-9219, 1558-2256
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Shrnutí:We are living in a world where massive end devices perform computing everywhere and everyday. However, these devices are constrained by the battery and computational resources. With the increasing number of intelligent applications (e.g., augmented reality and face recognition) that require much more computational power, they shift to perform computation offloading to the cloud, known as mobile cloud computing (MCC). Unfortunately, the cloud is usually far away from end devices, leading to a high latency as well as the bad quality of experience (QoE) for latency-sensitive applications. In this context, the emergence of edge computing is no coincidence. Edge computing extends the cloud to the edge of the network, close to end users, bringing ultra-low latency and high bandwidth. Consequently, there is a trend of computation offloading toward edge computing. In this paper, we provide a comprehensive perspective on this trend. First, we give an insight into the architecture refactoring in edge computing. Based on that insight, this paper reviews the state-of-the-art research on computation offloading in terms of application partitioning, task allocation, resource management, and distributed execution, with highlighting features for edge computing. Then, we illustrate some disruptive application scenarios that we envision as critical drivers for the flourish of edge computing, such as real-time video analytics, smart "things" (e.g., smart city and smart home), vehicle applications, and cloud gaming. Finally, we discuss the opportunities and future research directions.
Bibliografie:ObjectType-Article-1
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ISSN:0018-9219
1558-2256
DOI:10.1109/JPROC.2019.2922285