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Performance Analysis of fog System with user’s impatient behaviour

The Industrial Internet of Things (IIoT) is rapidly expanding. The social media, wireless communication and digitization technology growing rapidly and creating a large amount of data. For handling and processing, the large amount of data storage fog computing is an emerging solution which assist the cloud computing. Fog Computing improves the QoS provided to users with the help of cloud computing, by giving service to the IoT devices at their nearby proximity.The fog nodes' virtual machines (VMs) are in charge of processing and analysing IoT applications in real time.. One of the unsolved research issues is scaling the fog system efficiently to limit the customer requests reneging from the system.. The fog nodes are assumed to be a finite queue-dependent multi-server system in which tasks share the VMs.This paper evaluates the performance of the fog system by considering a multi-server queueing system with balking and reneging policies.