Content delivery to consumers counts to the important tasks of information systems. To make
the content delivery effective, a number of conditions concerning reliability, controllability, and
coherence of content delivery processes should be fulfilled. The ability to secure these conditions
depends on the concept and architecture of a content distribution system. This paper discusses an
approach to building a cloud system for distributing multimedia content in cyber-physical environment,
analyzes the processes of content delivery in cyberphysical systems and scenarios of interaction between
these systems and users. It is noted that the content delivery processes of human-machine interaction with the use of multimodal interfaces have been studied insufficiently. Therefore, a general system
concept has been proposed that takes into account the use of multimodal interfaces. The roles of
participants in the content distribution process are detailed, their typical actions are determined in terms
of use-case diagrams. Class diagrams are constructed to describe the structure of control and broadcast
modules. A system architecture based on a common data bus is proposed. The advantages of this
architecture include reliability, promptness of failure detection, controllability, flexibility in connecting
third-party data sources and recipients. An example of the implementation of a corporate television
service based on the proposed architecture is considered, the components of this service and the scheme
of their interaction are described.
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