Fog-computing architecture: survey and challenges

Fog-computing architecture: survey and challenges

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Emerging technologies that generate a huge amount of data such as the Internet of Things (IoT) services need latency-aware computing platforms to support time critical applications. Due to the on-demand services and scalability features of cloud computing, Big Data application processing is done in the cloud infrastructure. Managing Big Data applications exclusively in the cloud is not an efficient solution for latency -sensitive applications related to smart transportation systems, healthcare solutions, emergency response systems and content delivery applications. Thus, the fog -computing paradigm that allows applications to perform computing operations in-between the cloud and the end devices has emerged. In fog architecture, IoT devices and sensors are connected to the fog devices which are located in close proximity to the users, and it is also responsible for intermediate computation and storage. Most computations will be done on the edge by eliminating full dependencies on the cloud resources. In this chapter, we investigate and survey fog-computing architecture which have been proposed over the past few years. Moreover, we study the requirements of IoT applications and platforms, and the limitations faced by cloud systems when executing IoT applications. Finally, we review current research works that particularly focus on Big Data application execution on fog and address several open challenges as well as future-research directions.

Chapter Contents:

  • 10.1 Introduction
  • 10.2 Fog-computing architecture
  • 10.2.1 Existing research on fog-computing architecture
  • Fog-layered architecture
  • Hierarchical fog architecture
  • OpenFog architecture
  • Fog network architecture
  • Fog architecture for Internet of Energy
  • Fog-computing architecture based on nervous system
  • IFCIoT architecture
  • 10.2.2 High-level fog-computing layered architecture
  • Fog-computing layer
  • Data-generation layer
  • Cloud-computing layer
  • 10.3 Limitation of the cloud to execute Big Data applications
  • 10.3.1 Exploding generation of sensor data
  • 10.3.2 Inefficient use of network bandwidth
  • 10.3.3 Latency awareness
  • 10.3.4 Location awareness
  • 10.4 Challenges faced when executing Big Data applications on fog
  • 10.4.1 Resource limited fog device
  • 10.4.2 Power limitation
  • 10.4.3 Selection of master node
  • 10.4.4 Connectivity
  • 10.5 Recent advances on Big Data application execution on fog
  • 10.6 Fog-computing products
  • 10.6.1 Cisco IOx
  • 10.6.2 LocalGrid's fog-computing platform
  • 10.6.3 Fog device and gateways
  • 10.7 Research issues
  • 10.8 Conclusion
  • References

Inspec keywords: cloud computing; Big Data; distributed processing

Other keywords: on-demand services; latency-aware computing platforms; fog devices; IoT services; cloud systems; content delivery applications; healthcare solutions; Big Data application processing; fog-computing architecture; smart transportation systems; IoT devices; cloud computing; Internet of Things services; emergency response systems; cloud infrastructure

Subjects: Data handling techniques; Internet software

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