Abstract

This paper presents the detailed design of node discovery method based on Data Distribution Service (DDS) for Cyber–Physical System (CPS) applications. Even though DDS has been standardized by Open Management Group (OMG), OMG DDS is not sufficient for developer to implement DDS as a communication and control middleware of CPS. It does not provide not only precise specification of its procedure and message coding rule but interoperability between the different implementations. We designed EDDS (ETRI DDS) based on OMG DDS for implementation and interoperability. In this paper, we present the discovery procedure, state of EDDS discovery and the discovery message scheduling issue of huge complex CPS system in bootstrapping phase.

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