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A Single-Tier Fog Architecture for Delay-Sensitive and Computation-Intensive SFC Requests
Conference proceeding

A Single-Tier Fog Architecture for Delay-Sensitive and Computation-Intensive SFC Requests

M. Jasim, N. Siasi, S. Malapaka, D. Oliveira and O. Ugweje
IEEE Annual Information Technology, Electronics and Mobile Communication Conference (Online), pp.0654-0660
IEEE Annual Information Technology, Electronics and Mobile Communication Conference (IEMCON), 11th (Vancouver, BC, Canada, 11/04/2020–11/07/2020)
11/04/2020
DOI: https://doi.org/10.1109/IEMCON51383.2020.9284860

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Abstract

delay-sensitive applications fog computing network function virtualization service function chain Cloud Computing Computer Algorithms
Fog computing is a promising edge network paradigm for delay-sensitive applications, attributed to the reduced link delays between nodes. However, the limited resources at the fog nodes impose restrictions to serve computation-intensive requests. Therefore, these requests are often relayed to the cloud nodes and thereby incurring link delays. This approach impedes serving requests that are both delay-sensitive and computation-intensive. Hence this paper proposes a novel single-tier fog architecture that processes this category of requests at the edge of the network. Moreover, a service function chain (SFC) provisioning scheme is implemented on the proposed architecture using Hooke Jeeves algorithm. Simulation results indicate that the proposed solution outperforms hybrid fog-cloud architectures for the same number of hosted requests (saturation level) in terms of delay and energy consumption.

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