Analysis on Stability of IoT Ecosystem Based on Three-Party Evolutionary Game

The main three participants in IoT ecosystems are data providers, service providers and service demanders. The three participants usually are bounded rationality and difficult to get complete information of an IoT ecosystem. For the interests of their own, the three participants make dynamic adjustments for their strategies and game each other. Based on gain matrix of the three-party evolutionary game, the replication dynamic equations and first-order partial differential equations were built, and the stability of each participant was analyzed. And the conditions of stability of the three participants in an IoT ecosystem were studied using indirect Lyapunov approach. Finally, the game processes of the three participants were simulated and analyzed by MATLAB. The simulation results are concluded that profits of unit data, income of service providers and expected revenue of service demanders are the main influencing factors that have important effect on reaching stability state of the three participants.