Platforms for the development of IoT systems

The article deals with the issue of the relevance of the "Internet of Things" platforms. The components of the Internet of things system are indicated. The structure and purpose of the platform components are considered. The structure of the Internet of Things platform is given. The leading platforms on the world market are considered, brief descriptions of the features for each of them are given. The leading platforms from Russian developers are given, brief descriptions of the work for each are given.