Publication
IEEE Transactions on Communications
Paper

On the Complexity of Strictly Nonblocking Concentration Networks

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Abstract

A concentration network is a contact switching network that provides a number of potential users (connected to its inputs) with access to a smaller number of equivalent resources (connected to its outputs). Its basic property is that any sufficiently small subset of the inputs can be simultaneously connected by disjoint paths to distinct outputs, although the particular outputs to which they are to be connected cannot, in general, be specified arbitrarily. We show that a strictly nonblocking concentration network must have at least 3n log3n - O(n) contacts where n is the number of connections to be established simultaneously. Copyright © 1974 by The Institute of Electrical and Electronics Engineers, Inc.

Date

01 Jan 1974

Publication

IEEE Transactions on Communications

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