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Strategies for Transporting Data Between Classified and Unclassified Networks

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Technical Report

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ARDEC, WSEC, RDAR-WSF-M Picatinny Arsenal United States

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Transferring data between unclassified and classified networks is a critical concern of a potential future effort to integrate logistics capability into the tactical applications TacApps program. Logistics data is often provided by unclassified networks, while TacApps data will persist on classified networks. In order to mitigate the risk that this obstacle imposes, a literature search was conducted with the goal of identifying methods and technologies available to bridge classified and unclassified networks. Three clearly distinct methods were identified manual data transfer, the use of a data diode or unidirectional network bridge, and the use of a hardwaresoftware solution called an information security guard. Within these methods, a number of technologies were researched and analyzed for their applicability to TacApps. Only government off-the-shelf and commercial off-the-shelf solutions were examined. Among data diode solutions, the Tactical Army Cross Domain Information Sharing is a good candidate for further research. Among guards, the trusted information system Radiant Mercury appears promising. Further research is required in order to select an appropriate system and quantify additional areas of concern such as bandwidth constraints and available field configurations.

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