Challenges of satisfying multiple stakeholders: quality of service in the internet of things

  • Authors:

  • Chien-Liang Fok;Christine Julien;Gruia-Catalin Roman;Chenyang Lu

  • Affiliations:

  • The University of Texas at Austin, Austin, TX, USA;The University of Texas at Austin, Austin, TX, USA;Washington University in Saint Louis, Saint Louis, MO, USA;Washington University in Saint Louis, Saint Louis, MO, USA

  • Venue:
  • Proceedings of the 2nd Workshop on Software Engineering for Sensor Network Applications
  • Year:
  • 2011

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Abstract

As wireless sensor networks become increasingly integrated with the Internet, the Internet of Things (IOT) is beginning to emerge. The IOT is a massive cyber-physical system that presents many software engineering challenges. One fundamental challenge is the need for multi-dimensional QoS that can satisfy the individual constraints of the many participants in the system. In this paper, we investigate the challenges of providing such a mechanism via a simple abstraction consisting of a general QoS function provided by each application. This function distills the multi-dimensional QoS specifications from each stakeholder into a single value that is used to determine the best configuration of interactions. We prototype our approach in a real wireless sensor network using a pervasive healthcare fall-detection application and highlight the many challenges it unveils.