Journal of Internet Engineering, Vol 5, No 1 (2012)

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Energy-efficient internetworking with DTN

Dimitris Vardalis, Vassilis Tsaoussidis


We claim that Delay-Tolerant Networking has the potential to form an internetworking overlay that shapes traffic in a manner that exploits the capacity of last hop wireless channels and allows for energy-efficient internetworking. We demonstrate DTN potential for energy- efficient internetworking through an overlay-architecture and a tool we have developed that captures the required state transitions of the mobile device WNIC. We propose a novel rendezvous mechanism and show experimentally that the DTN overlay can re-shape traffic in a manner that allows the receiver to exploit the energy-throughput tradeoff better: it may condense sporadic packets into a burst and, in return, prolong sleep duration without risk to miss incoming packets and without degradation in throughput.

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Last Update: 23 May 2013

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