Design of priority schemes in CSMA/CD local area networks

  • Authors:
  • Yih-Long Chang;Sheldon Shen

  • Affiliations:
  • The Ohio State Univ., Columbus;The Ohio State Univ., Columbus

  • Venue:
  • ANSS '87 Proceedings of the 20th annual symposium on Simulation
  • Year:
  • 1987

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Abstract

This paper compares the performance of three message based priority protocols in CSMA/CD local area networks. The major thesis is that traffic loads and message ratios are critical factors in network system performance. Thus, a message based priority protocol should not be designed based on any assumption on traffic and ratios. Since the dynamic protocol, proposed by Shen and Liu [12], is traffic and ratio independent, we argued that it should outperform the other two protocols, given a wide range of traffic and ratios. We perform 600 experiments and the statistics indeed confirms our contention, with a chance of errors in most cases below only .01%.