A Self-Stabilizing Directed Diffusion Protocol for Sensor Networks

Authors:
Doina Bein;Ajoy K. Datta
Affiliations:
University of Nevada at Las Vegas;University of Nevada at Las Vegas
Venue:
ICPPW '04 Proceedings of the 2004 International Conference on Parallel Processing Workshops
Year:
2004

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Abstract

We design a self-stabilizing communication protocol in a sensor network, based on the directed diffusion method [1]. A request for data from an initiator node is broadcast in the network, and the positive answers from the sensors are forwarded back to the initiator (following a Shortest-Path-Tree (SPT) construction rooted at the initiator.) The sensor nodes, starting from an arbitrary state and following our protocol, establish reliable communication in the network in a finite number of steps. Any number of initiators and any number of different requests at a time per initiator are allowed, but we limit the number of entries in the interest cache as the memory of a sensor node is limited.