Calculation of Deadline Missing Probability in a QoS Capable Cluster Interconnect

  • Authors:
  • Eun Jung;Kim Ki Hwan Yum;Chita R. Das

  • Affiliations:
  • -;-;-

  • Venue:
  • NCA '01 Proceedings of the IEEE International Symposium on Network Computing and Applications (NCA'01)
  • Year:
  • 2001

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Abstract

The growing use of clusters in diverse applications, many of which have real-time constraints, requires Quality-of- Service (QoS) support from the underlying cluster interconnect. In this paper, we propose an analytical model that captures the characteristics of a QoS capable wormhole router, which is the basic building block of cluster networks. The model captures the behavior of integrated traffic in a cluster and computes the average deadline missing probability for real-time traffic. The cluster interconnect, considered here, is a hypercube network. Comparison of Deadline Missing Probability (DMP) using the proposed model with that of the simulation shows that our analytical model is accurate and useful.