Design and Implementation of a Real-time Monitoring Tool for Data Distribution Service

In this paper, we propose a monitoring tool for the detection of middleware errors in smart data distribution service (DDS) for a naval combat system. Naval combat systems are based on smart DDS and include various equipment and applications, such as monitoring tools, search radar, and communication equipment. Because of this configuration, if there is a communications problem in a wartime situation, no equipment can respond quickly to the battle. In this paper, we analyze the problems in middleware by utilizing Smart DDS's Data-Centric Publish-Subscribe (DCPS) and Real-Time Publish-Subscribe (RTPS) layers to expedite communication problems. Existing Smart DDS application tools exist but are not suitable for urgent wartime situation because there is an unnecessary discovery process for debugging. The proposed tool utilizes the discovery process of the DDS and the interface of the DCPS. Because of the simulation, the proposed monitoring tool can reduce the time required for problem detection and provide data for error resolution as compared with existing debugging tools, thereby improving the recovery performance of the naval combat system.

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