Zero-automatic networks

  • Authors:
  • Thu-Ha Dao-Thi;Jean Mairesse

  • Affiliations:
  • University Paris, France;University Paris, France

  • Venue:
  • valuetools '06 Proceedings of the 1st international conference on Performance evaluation methodolgies and tools
  • Year:
  • 2006

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Abstract

We continue the study of zero-automatic queues first introduced in [3]. These queues are characterized by a special buffering mechanism evolving like a random walk on some infinite group or monoid. The simple M/M/1 queue and Gelenbe's G-queue with positive and negative customers are the two simplest 0-automatic queues. All 0-automatic queues are quasi-reversible [3]. In this paper, we introduce and study networks of 0-automatic queues. We consider two types of networks, with either a Jackson-like or a Kelly-like routing mechanism. In both cases, and under the stability condition, we prove that the stationary distribution of the buffer content has a "product-form" and can be explicitly determined.