Opportunistic Content-Centric Data Transmission During Short Network Contacts

Anastasiades, Carlos; Schmid, Tobias; Weber, Jürg; Braun, Torsten (6 April 2014). Opportunistic Content-Centric Data Transmission During Short Network Contacts. In: IEEE Wireless Communications and Networking Conference (WCNC 2014) (pp. 2516-2521). IEEE 10.1109/WCNC.2014.6952784

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In this paper, we investigate content-centric data transmission in the context of short opportunistic contacts and base our work on an existing content-centric networking architecture. In case of short interconnection times, file transfers may not be completed and the received information is discarded. Caches in content-centric networks are used for short-term storage and do not guarantee persistence. We implemented a mechanism to extend caching on persistent storage enabling the completion of disrupted content transfers. The mechanisms have been implemented in the CCNx framework and have been evaluated on wireless mesh nodes. Our evaluations using multicast and unicast communication show that the implementation can support content transfers in opportunistic environments without significant processing and storing overhead.

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