Journal
INTERNET OF THINGS
Volume 3-4, Issue -, Pages 134-155Publisher
ELSEVIER
DOI: 10.1016/j.iot.2018.09.005
Keywords
Internet of Things (IoT); Fog computing; Edge computing; Cloud computing
Categories
Funding
- European Commission H2020 programme [688941]
- Brazilian Ministry of Science, Technology, Innovation, and Communication (MCTIC) through RNP
- Sao Paulo Research Foundation (FAPESP) [2015/16332-8, 2018/02204-6, 2015/24494-8]
- Brazilian Ministry of Science, Technology, Innovation, and Communication (MCTIC) through CTIC
- MobiWise project: from mobile sensing to mobility advising [P2020 SAICTPAC/0011/2015]
- COMPETE 2020, Portugal 2020-POCI, European Regional Development Fund of European Union
- Portuguese Foundation of Science and Technology
- CAPES
- CNPq
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The Internet of Things needs for computing power and storage are expected to remain on the rise in the next decade. Consequently, the amount of data generated by devices at the edge of the network will also grow. While cloud computing has been an established and effective way of acquiring computation and storage as a service to many applications, it may not be suitable to handle the myriad of data from IoT devices and fulfill largely heterogeneous application requirements. Fog computing has been developed to lie between IoT and the cloud, providing a hierarchy of computing power that can collect, aggregate, and process data from/to IoT devices. Combining fog and cloud may reduce data transfers and communication bottlenecks to the cloud and also contribute to reduced latencies, as fog computing resources exist closer to the edge. This paper examines this IoT-Fog-Cloud ecosystem and provides a literature review from different facets of it: how it can be organized, how management is being addressed, and how applications can benefit from it. Lastly, we present challenging issues yet to be addressed in IoT-Fog-Cloud infrastructures. (C) 2018 Elsevier B.V. All rights reserved.
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