Fog Device-as-a-Service (FDaaS): A Framework for Service Deployment in Public Fog Environments
arXiv (Cornell University)(2023)
摘要
Meeting the requirements of future services with time sensitivity and
handling sudden load spikes of the services in Fog computing environments are
challenging tasks due to the lack of publicly available Fog nodes and their
characteristics. Researchers have assumed that the traditional autoscaling
techniques, with lightweight virtualisation technology (containers), can be
used to provide autoscaling features in Fog computing environments, few
researchers have built the platform by exploiting the default autoscaling
techniques of the containerisation orchestration tools or systems. However, the
adoption of these techniques alone, in a publicly available Fog infrastructure,
does not guarantee Quality of Service (QoS) due to the heterogeneity of Fog
devices and their characteristics, such as frequent resource changes and high
mobility. To tackle this challenge, in this work we developed a Fog as a
Service (FaaS) framework that can create, configure and manage the containers
which are running on the Fog devices to deploy services. This work presents the
key techniques and algorithms which are responsible for handling sudden load
spikes of the services to meet the QoS of the application. This work provides
an evaluation by comparing it with existing techniques under real scenarios.
The experiment results show that our proposed approach maximises the satisfied
service requests by an average of 1.9 times in different scenarios.
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关键词
fog,device-as-a-service deployment,fdaas
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