Distribution of Content On Demand Over the Allocation of Dynamic Microservices at the Edge and Core of the Network

• Derian Fernando Alves de Alencar Federal University of Pará (UFPA)
• Denis Lima Rosário Federal University of Pará (UFPA) http://orcid.org/0000-0003-1119-2450
• Eduardo Coelho Cerqueira Federal University of Pará (UFPA) http://orcid.org/0000-0003-2162-6523
• Cristiano Bonato Both University of Vale do Rio dos Sinos (UNISINOS) http://orcid.org/0000-0002-9776-4888
• Rodolfo Stoffel Antunes University of Vale do Rio dos Sinos (UNISINOS) http://orcid.org/0000-0002-9388-492X

DOI: https://doi.org/10.5753/sbrc.2020.12310

Abstract

Video-on-Demand (VoD) content distribution is growing on popularity and will be the dominant application on the Internet. To manage traffic and provide QoE guarantees to VoD, microservices become an ideal model to explore the deployment of caching services at different levels of a Fog computing architecture.
The use of microservices for video content distribution is key to enable the dynamic allocation of resources on fog nodes according to client demands. This paper presents Fog4MS, a mechanism for dynamic allocation of VoD caching miroservices for Fog computing environments. The mechanism cosiders delay, microservice migration time, and utilization level of the fog node to determine the best location for caches considering a multi-layer fogcomputing architecture. Experiments in a simulated environment demonstrate the eficiency of the proposal in comparison of existing mechanisms when considering cost, time to migrate, fariness index, and QoE.

Keywords: Video on demand, Fog Computing, Microservices, Quality of Experience

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