This work considers a model of a multilevel information system that integrates heterogeneous classes of objects of different configuration and complexity range. The architectural solution is suggested that allows dynamical extension of a working system by connecting objects both of existing classes and new classes as well. The use of the distributed architecture significantly improves reliability of the system. The work also considers the experience of practical implementation of the model in the form of a distributed application and exploitation of the system that includes subsystems of access control, power supply, fire safety, video observation and other subsystems of life support.

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