Routing in Delay Tolerant Networks with Periodic Connections

In Delay Tolerant Networks (DTNs), the network may not be fully connected at any instant of time, but connections occurring between nodes at different times make the network connected through the entire time continuum. In such a case, traditional routing methods fail to operate because there are no contemporaneous end-to-end paths between sources and destinations. This paper examines the routing in DTNs where connections arise in a periodic nature. The authors analyze various levels of periodicity in order to meet the requirements of different network models.

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