Fog and IoT: An Overview of Research Opportunities

Mung Chiang, Tao Zhang

Research output: Contribution to journalReview articlepeer-review

1823 Scopus citations


Fog is an emergent architecture for computing, storage, control, and networking that distributes these services closer to end users along the cloud-To-Things continuum. It covers both mobile and wireline scenarios, traverses across hardware and software, resides on network edge but also over access networks and among end users, and includes both data plane and control plane. As an architecture, it supports a growing variety of applications, including those in the Internet of Things (IoT), fifth-generation (5G) wireless systems, and embedded artificial intelligence (AI). This survey paper summarizes the opportunities and challenges of fog, focusing primarily in the networking context of IoT.

Original languageEnglish (US)
Article number7498684
Pages (from-to)854-864
Number of pages11
JournalIEEE Internet of Things Journal
Issue number6
StatePublished - Dec 2016

All Science Journal Classification (ASJC) codes

  • Signal Processing
  • Information Systems
  • Hardware and Architecture
  • Computer Science Applications
  • Computer Networks and Communications


  • Edge computing
  • Internet of Things (IoT)
  • edge networking
  • edge storage
  • fog
  • fog computing
  • fog control
  • fog networking
  • fog storage


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