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In this letter, a stochastic model of a finite-state Markov chain for performance analysis of epidemic routing in sparse 1-D two-way linear vehicular ad hoc networks is introduced. In the model, messages are delivered from an infrastructure station located at one end of a highway to randomly selected vehicles running on it. Closed-form expressions of expected message delay and the number of copies...
Delay tolerant networks are intermittently connected. In this paper, we propose a DTN routing scheme EBR. The scheme is based on the idea of exploiting inter-contact time between mobile nodes to predict the number of nodes with no copy a node will encounter within the expected delay. In EBR, every node with message copies dynamically chooses the number of copies by itself. We evaluate the performance...
It is challenging to react to dynamically changing of network topology for routing schemes in Delay Tolerant Networks (DTNs). The main concern about routing in DTNs is to minimize delivery delay while maintaining low overhead. In this paper, we propose a DTN routing scheme Density-Aware Message Spraying (DAMS). The scheme is based on the idea of exploiting spatial node distribution and encounter history...
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