Efficient access of remote resources in embedded networked computer systems

  • Authors:

  • Paul S. Usher;Neil C. Audsley

  • Affiliations:

  • Real-Time Systems Research Group, Department of Computer Science, University of York, York, UK;Real-Time Systems Research Group, Department of Computer Science, University of York, York, UK

  • Venue:
  • EUC'05 Proceedings of the 2005 international conference on Embedded and Ubiquitous Computing
  • Year:
  • 2005

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Abstract

Fixed networks of limited resource heterogeneous computers need to allow applications to access remote devices in order to overcome any local resource deficiencies. Current operating systems would use a file system, network stack and middleware to implement such access but the volume of functionality involved can be a barrier to performance. This paper examines the 2.4 series Linux kernel to show that networked operating systems lack flexibility and performance in this environment. It also presents a low level approach that can reduce the overheads incurred and improve performance when remote devices are accessed.