Data Sharing Network Model and Mechanism of Power Internet of Things in Virtualized Environment

To solve the problems of low security and low reliability in data sharing, this paper proposes data sharing network model and mechanism of power Internet of Things in virtualized environment. Due to the different coverage of the power Internet of Things, this paper proposes a node model based on the node network theory of blockchain technology. This model divides network nodes into data consumer nodes, data storage nodes, routing node, and coordination nodes according to business requirements. Through the cooperation of the four types of nodes, data sharing between multiple power Internet of Things can be realized efficiently. To solve the problem of low security in data sharing, this paper constructs a data transmission contribution analysis model of network nodes and a data access authorization model. The data transmission contribution degree model can fairly evaluate the behavior of network nodes based on the contribution degree, so as to quickly find malicious nodes. The data access authorization model calculates the entropy weight of each Internet of Things according to the trust level, thereby calculating the credibility of data sharing. To solve the problem of low transmission reliability of network nodes, a set of alternative links is constructed for data sharing routes. With load balancing as the goal, a relative cost value evaluation model is constructed for each route. The shortest route with the best relative cost value is regarded as the optimal data sharing route. In the simulation experiment, the related mechanisms are first improved based on the mechanism of this paper, which verifies that the mechanism of this paper improves the utilization and reliability of network resources in terms of data sharing routing. Secondly, it is verified that the mechanism of this paper improves the success rate and availability rate of network resources in terms of data security sharing.