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Networks in which nodes are intermittently connected, and have limited storage space and power, are termed Delay Tolerant Networks (DTN). To overcome these conditions, DTN routing protocols require nodes to store data packets for long periods of time until they contact with each other. In addition, they spread multiple copies of the same packet in the network to increase the probability of one of...
Epidemic Routing offers a reliable approach to transmitting data in opportunistic networks, which has developed a few of variations so far. However, these algorithms have some redundant control overhead in sensing neighbor nodes and exchanging data packets. To address the issue, we propose a high-efficiency low-delay routing algorithm based on exchange of increments in packet indexes. Our algorithm...
In sparse mobile sensor networks, nodes have a small number of neighbors with intermittent connectivity. This paper presents a new networking protocol for this type of network, aimed at maximizing system performance in terms of both delay and reliability. The system is motivated by the observation that many applications on this type of network have two kinds of co-existing data packets: those with...
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