As the explosive growth of smart devices and the advent of many new applications, traffic volume has been growing exponentially. The traditional centralized network architecture cannot accommodate such user demands due to heavy burden on the backhaul links and long latency. Therefore, new architectures, which bring network functions and contents to the network edge, are proposed, i.e., mobile edge computing and caching. Mobile edge networks provide cloud computing and caching capabilities at the edge of cellular networks. In this survey, we make an exhaustive review on the state-of-the-art research efforts on mobile edge networks. We first give an overview of mobile edge networks, including definition, architecture, and advantages. Next, a comprehensive survey of issues on computing, caching, and communication techniques at the network edge is presented. The applications and use cases of mobile edge networks are discussed. Subsequently, the key enablers of mobile edge networks, such as cloud technology, SDN/NFV, and smart devices are discussed. Finally, open research challenges and future directions are presented as well.
A Survey on Mobile Edge Networks: Convergence of Computing, Caching and Communications
Shuo Wang,Xing Zhang,Yan Zhang,L. Wang,Juwo Yang,Wenbo Wang
Published 2017 in IEEE Access
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- Publication year
2017
- Venue
IEEE Access
- Publication date
2017-03-21
- Fields of study
Computer Science, Engineering
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