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Limited capabilities and mission requirements imply that nodes in tactical mobile ad-hoc networks (MANETs) carry a significant risk of being compromised physically or logically. In addition nodes or groups of nodes may defect, which is a particular concern in coalition environments where networks may spread beyond organizational boundaries. To identify defecting or compromised nodes including Byzantine...
This paper presents a novel algorithm for enhancing the efficiency and robustness of distributed trust authority protocols for mobile ad hoc networks (MANETs). Our algorithm determines a quorum of trust authority nodes required for a distributed protocol run based upon a set of quality metrics and establishes an efficient routing strategy to contact these nodes. An implementation and efficiency analysis...
Tactical networks in urban environments are constrained by limited line-of-sight communication and frequent network partitioning. Moreover, energy efficiency for both communication and computation is a major concern as such networks are typically limited to battery-powered devices. Additional resources such as autonomous unmanned vehicles (UVs) or unmanned aerial vehicles (UAVs) are available in today...
Summary form only given. Tactical networks frequently need to be set up without adequate infrastructure in place or where infrastructure elements can be destroyed easily and, moreover, must themselves be mobile and extensible. It is therefore desirable to provide mechanisms based on mobile ad hoc networks, which have been studied intensely in recent years. However, the specific requirements for tactical...
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