Component-Wise Mapping of Media-Needs to a Distributed Presentation Environment

  • Authors:
  • Loe Feijs;Jun Hu

  • Affiliations:
  • Eindhoven University of Technology;Eindhoven University of Technology

  • Venue:
  • COMPSAC '04 Proceedings of the 28th Annual International Computer Software and Applications Conference - Volume 01
  • Year:
  • 2004

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Abstract

Whereas formal specification and verification have shown value by improving reliability and trustworthiness of traditional industrial systems, we made a contribution by applying them to the field of distributed multimedia presentations in an Ambient Intelligence context. We investigate a mapping problem in which media needs are to be satisfied using given presentation resources. The goal of the investigation is to see whether Broyýs stream-based component framework can be used to model media-related interfaces and constraints in an elegant way. The formalization will serve as a framework for the development of an automated mapper that can handle real media needs and real presentation resources. It combines the well-known notations of Z with an underlying concurrency theory. We show that not only verification issues can be handled such as bandwidth and delay constraints, but also architecture-level issues such as network structural media-type compatibilities.