Nautical Predictive Routing Protocol (NPRP) for the Dynamic Ad-Hoc Nautical Network (DANN)
Roof, William H.
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The Carrier Strike Group (CSG) and the Expeditionary Strike Group (ESG) are two common types of US Naval units consisting of multiple ships traveling as a group. All vessels within the CSG/ESG transmit and receive data via satellite, even when those vessels are within radio frequency line of sight (RFLOS). Within the CSG/ESG, satellite communications (SATCOM) are clearly necessary for vessels well forward of the main body, but could be augmented by RFLOS wireless communications for some members of the CSG/ESG. The goal of this research is to identify software technology that minimizes the barriers to employing affordable, commercially available technology (i.e., 802.11x) for ship-to-ship communications at sea. Some of the existing barriers to 802.11x communications at sea result from communication protocols that do not support the varying topologies or human network intervention one would expect to encounter within the CSG/ESG. This paper advances the concept for a predictive routing protocol that proactively addresses the topological and human issues unique to the DANN. Proactive routing will re-route the transmissions prior to interruptions, thus preventing interruption of open communication sessions.
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