Implementing a ring-based real-time capable network using a multithreaded Java processor

  • Authors:
  • Sascha Uhrig

  • Affiliations:
  • Robotics Research Institute, TU Dortmund, Dortmund, Germany

  • Venue:
  • Proceedings of the 10th International Workshop on Java Technologies for Real-time and Embedded Systems
  • Year:
  • 2012

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Abstract

Real-time capable networks very often require a special network control logic that encapsulates the network functionality and timing from the actual main processor. This method ensures that the main processor cannot harm the behavior of the network and vice-versa. Multithreaded processors that provide integrated real-time scheduling are also able to separate the timing behavior of a main application from that of several sub-systems. Hence, there is no need for an additional dedicated processor. This paper presents the implementation of a ring-based, real-time capable network infrastructure for distributed embedded systems using the multithreaded jamuth Java processor. The case-study shows how such an implementation could look like and which parameters provide flexibility. Moreover, a performance evaluation is presented.