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In this paper, we derive the average and the distribution of message delivery delays in a geographic DTN routing with multiple mobile agents, whose mobility patterns are given by random walks on a graph and message routing algorithm is FIFO (First-In First-Out) algorithm. A geographic DTN routing aims at realization of message delivery among multiple (generally, geographically-dispersed) geographic...
In this paper, we derive the average message delivery of epidemic routing with broadcasting ACKs (ACKnowledgements) in DTN (Delay/Disruption-Tolerant Networking). The epidemic routing achieves near-optimal performance in terms of the message delivery delay when there exists only a single message in the network. However, if there exist multiple messages, epidemic routing generates excessive amount...
In this paper, we propose a delivery control method of floating contents called PFCS (Proportional control for Floating Content Sharing) and investigate its properties through stability analysis. By intentionally limiting the coverage and the lifetime of epidemic broadcasting, floating contents can be shared among mobile nodes without dedicated infrastructure. Information sharing with floating contents...
In this paper, we compare the performances of geographic DTN (Delay/Disruption-Tolerant Network) routing algorithms through simulation experiments. We compare message delivery times in five geographic DTN routing algorithms -- Random, Nearest, Farthest, Distant and AOD (Angle Of Deviation) -- while varying the number of mobile agents on the field and the capacity of wireless communication. Our finding...
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