Smart contract service migration mechanism based on container in edge computing

In edge computing, smart contracts usually run in the form of containers on edge nodes. However, the container has process nesting and strong association with image files, which leads to insufficient real-time migration. This article studies the container-based service migration problem in edge computing. In order to reduce the service delay of nodes, we propose a service migration mechanism based on mobility awareness. The service migration mechanism based on mobility awareness triggers service migration according to the service density of the current node, and selects the most suitable service set for migration in the current node with the optimization goal of minimizing service delay, and finally the corresponding destination node is selected for migration according to the migration cost and the moving direction of the device to which the service belongs. Experimental results show that our proposed service migration mechanism based on container can effectively reduce the waiting delay and migration delay in the service process, and optimize the service quality of edge nodes. (C) 2021 Elsevier Inc. All rights reserved.