Opening the sensornet black box

  • Authors:

  • Jung Il Choi;Jung Woo Lee;Megan Wachs;Philip Levis

  • Affiliations:

  • Computer Systems Laboratory, Stanford University, Stanford, CA;Computer Systems Laboratory, Stanford University, Stanford, CA;Computer Systems Laboratory, Stanford University, Stanford, CA;Computer Systems Laboratory, Stanford University, Stanford, CA

  • Venue:
  • ACM SIGBED Review - Special issue on the workshop on wireless sensor network architecture (April-2007)
  • Year:
  • 2007

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Abstract

We argue that the principal cause of sensornet deployment and development difficulty is an inability to observe a network's internal operation. We further argue that this lack of visibility is due to the activity and resource constraints enforced by limited energy. We present the Mote Network (MNet) architecture, which elevates visibility to be its dominant design principle. We propose a quantitative metric for network visibility and explain why network isolation and fairness are critical concerns. We describe the Fair Waiting Protocol (FWP), MNet's single-hop protocol and show how its fairness and isolation can improve throughput and efficiency. We present the Pull Collection Protocol as a case study in designing multihop protocols in the architecture.