Computation Offloading Strategy in Heterogeneous Fog Computing with Energy and Delay Constraints

Mithun Mukherjee, Vikas Kumar, Suman Kumar, Rakesh Matamy, Constandinos X. Mavromoustakis, Qi Zhang, Mohammad Shojafar, George Mastorakis

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    In fog computing, end-users can offload the computation-intensive tasks to the fog node in the proximity. Additionally, the fog nodes also offload these tasks to the cloud and neighboring fog node to seek additional computational resources. In this paper, we propose an offloading strategy in fog computing to minimize the cost that is a weighted sum of energy consumption and total delay for the task processing per end-user. We take the heterogeneous nature of the fog computing nodes that have different CPU frequency to process the tasks. We aim to find an optimal amount of task data to be either locally processed or offloaded to the preferable fog node and the remote cloud under the energy and delay constraints. We then formulate the optimization problem into a non-convex quadratically constrained quadratic program. We further provide an efficient solution to this problem by semidefinite relaxation. Finally, our proposed offloading scheme is evaluated by the simulation to demonstrate the offloading profile and optimal cost of the offloading with a wide range of parameter settings.

    Original languageEnglish
    Title of host publication2020 IEEE International Conference on Communications, ICC 2020 - Proceedings
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    ISBN (Electronic)9781728150895
    DOIs
    Publication statusPublished - Jun 2020
    Event2020 IEEE International Conference on Communications, ICC 2020 - Dublin, Ireland
    Duration: 7 Jun 202011 Jun 2020

    Publication series

    NameIEEE International Conference on Communications
    Volume2020-June
    ISSN (Print)1550-3607

    Conference

    Conference2020 IEEE International Conference on Communications, ICC 2020
    CountryIreland
    CityDublin
    Period7/06/2011/06/20

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  • Cite this

    Mukherjee, M., Kumar, V., Kumar, S., Matamy, R., Mavromoustakis, C. X., Zhang, Q., Shojafar, M., & Mastorakis, G. (2020). Computation Offloading Strategy in Heterogeneous Fog Computing with Energy and Delay Constraints. In 2020 IEEE International Conference on Communications, ICC 2020 - Proceedings [9148852] (IEEE International Conference on Communications; Vol. 2020-June). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICC40277.2020.9148852