Multi-domain Collaborative Reputation Evaluation Mechanism Based on SFLA for IOT

The IOT as a rapid development of large scale networks, which is widely used in various fields, its complexity, uncertainty and fuzzy lead to the intelligent property of IOT has become a key attribute of its development. We introduce the cognitive elements into the IOT, and constitute the cognitive IOT. And according to the property of IOT and QoS requirements of users, proposes a reputation evaluation model based on shuffled frog leaping algorithm (SFLA) and the idea of multi-domain cooperation, through mutual cooperation between autonomous regions, filtering to obtain reliable nodes and autonomous domain as cooperative neighbors, thereby enhancing the accuracy of reputation evaluation, simulation results show the accuracy and the feasibility of the model