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Tactical communication networks lack infrastructure and are highly dynamic, resource-constrained, and commonly targeted by adversaries. Designing efficient and secure applications for this environment is extremely challenging. An increasing reliance on group-oriented, tactical applications such as chat, situational awareness, and real-time video has generated renewed interest in IP multicast delivery...
This work presents an adaptive sanctioning mechanism that can be applied in open multi-agent systems that are regulated through norms. This mechanism tries to identify the attributes of the environment that have some influence on agents decision making and uses such attributes to define sanctions that may prevent norm violations. Our approach adapts sanctions to particular agents and particular environmental...
In response to the Domestic Nuclear Detection Office's (DNDO) BAA 09-102 Passport Systems, Inc. of Billerica, MA has carried out a system-level trade space study and started development of a networked system of Intelligent Personal Radiation Locators (IRPLs) and Human Portable Radiation Detection Systems (HPRDSs) designed to improve the detection, localization, and identification of potential radiological...
In multi-agent system, agents need autonomy and collaboration to accomplish a complex task. Contract net protocol (CNP) is coordination mechanism often used in a multi-agent system. Due to the limitations inherent in the conventional CNP, this paper proposes a Norm-based CNP to improve the efficiency and effectiveness of the coordination processes in a multi-agent system. First, a three-dimensional...
Contract net protocol (CNP) is often used for coordination in a multi-agent system. Due to the limitations inherent in the conventional CNP, this paper proposes a norm-based CNP to improve the efficiency and effectiveness of the coordination processes in a multi-agent system. First, a three-dimensional taxonomy of norm is put forward in terms of the hierarchy, type and flexibility of norms. Then a...
This paper compares the performance of network coding to a baseline protocol that uses OLSR, SPF and NORM. The performance of each protocol suite is characterized in a three-hour militarily-relevant network topology using five (emulated) applications: video, voice, file transfer, situation awareness and messaging. Network coding provides comparable performance while using substantially less bandwidth...
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