JAM: A Jammed-Area Mapping Service for Sensor Networks

  • Authors:
  • Anthony D. Wood;John A. Stankovic;Sang H. Son

  • Affiliations:
  • -;-;-

  • Venue:
  • RTSS '03 Proceedings of the 24th IEEE International Real-Time Systems Symposium
  • Year:
  • 2003

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Abstract

Preventing denial-of-service attacks in wireless sensor networks is difficult primarily because of the limited resources available to network nodes and the easewith which attacks are perpetrated. Rather than jeopardize design requirements which call for simple, inexpensive, mass-producible devices, we propose a coping strategy that detects and maps jammed regions. We describea mapping protocol for nodes that surround a jammerwhich allows network applications to reason about the region as an entity, rather than as a collection of brokenlinks and congested nodes. This solution is enabled bya set of design principles: loose group semantics, eagereavesdropping, supremacy of local information, robustness to packet loss and failure, and early use of results.Performance results show that regions can be mapped in1 - 5 seconds, fast enough for real-time response. Witha moderately connected network, the protocol is robust tofailure rates as high as 25 percent.