An end-to-end routing protocol for peer-to-peer communication in wireless sensor networks

  • Authors:
  • Ricardo Simón Carbajo;Meriel Huggard;Ciarán McGoldrick

  • Affiliations:
  • Trinity College Dublin, Ireland;Trinity College Dublin, Ireland;Trinity College Dublin, Ireland

  • Venue:
  • Proceedings of the 6th workshop on Middleware for network eccentric and mobile applications
  • Year:
  • 2008

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Abstract

Interfacing Wireless Sensor Network (WSN) technologies with the Internet is a key requirement for making sensor data globally available. To this end, the authors have developed the TinyTorrents system; a peer-to-peer publishing and redundancy framework for the dissemination of sensor data in a reliable, redundant and self-consistent manner using torrent technology. TinyTorrents utilises a reactive routing protocol for WSNs which incorporates bidirectionality, reliability and generic communications modalities. In this paper the routing protocol, TinyHop, is presented. Tiny-Hop creates on-demand routes, is self managed and works in an end-to-end fashion. Any node in the mobile environment can establish communications with, and retrieve data from, any contactable node at any time. Thus any node can function as a base station or sink. Mobile elements (e.g. data mules) or static gateways can interconnect from different parts of the network, thereby balancing the traffic load and helping avoid network partition. The protocol has been implemented in TinyOS 2.0.2 and simulated in TOSSIM.