In "Applied
Probability-Computer Science: the Interface" Volume 1,
(Editors R.L. Disney and T.J. Ott), Birkhauser, Boston, 1982.
3-29.
With discussion by J. Walrand.
Many analytical results are available for a network of queues when the nodes in the network have a simplifying property. This property, called here quasi-reversibility, was first identified by Muntz and has since been investigated by a number of authors. A closely related concept, partial balance, has been central to the investigation of insensitivity begun by Matthes.
Here we describe the concept of quasi-reversibility, provide new examples of quasi-reversible nodes, discuss the range of arrival rates for which a node remains quasi-reversible, and analyse a model of a communication network insensitive to patterns of dependence more general than have previously been considered.
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