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Contingent Diminished Path Whipping in Interruption Biased Networks

Author(s): R.V. Kishore Kumar#1, S. Gopi Krishna

Journal: International Journal of Engineering Trends and Technology
ISSN 2231-5381

Volume: 4;
Issue: 6;
Start page: 2433;
Date: 2013;
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Keywords: — CDPW | Contingent Intermeeting time | Conventional Intermeeting time | DTN.

The Delay Tolerant Network (DTN) architecture and the Bundle Protocol suite that have been developed to enable communication in challenged environments, both in space and in terrestrial situations, have now reached a level of development and testing where they are able to be used to support users in real-world The conventional Internet has become nearly ubiquitous in urban areas of developed nations, but it has become increasingly reliant on a connected path existing between source and destination nodes when a user requests an application at the source to communicate with a destination. However, making effective forwarding decisions using only the network characteristics (i.e. standard inter meeting time between nodes) extracted from contact history is a challenging problem. Based on the observations about human mobility traces and the findings of previous work, we introduce a new metric called Contingent inter meeting time, which computes the regular inter meeting time between two nodes relative to a meeting with a third node using only the local knowledge of the past contacts. We propose Contingent Diminished Path Whipping (CDPW) protocol that routes the messages over Contingent Diminished paths in which the cost of links between nodes is defined by Contingent intermeeting times rather than the conventional intermeeting times.
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