Title :
Lower bound on the size of a 3-stage wide-sense nonblocking network
Author_Institution :
University of Strathclyde, Royal College, Department of Electronic Science & Telecommunications, Glasgow, UK
Abstract :
It is demonstrated that, for a 3-stage symmetrical link switching network, i.e. of the Clos Type v (m, n, r), the number of middle switches required for wide-sense nonblocking cannot be less than [2n ¿ n/r] under a large class of packing rules.
Keywords :
switching networks; 3-stage wide sense nonblocking network; symmetrical link switching network;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19770156