A taxonomy of rerouting in circuit-switched networks

Authors:
E. W.M. Wong;A. K.M. Chan;T. -S.P. Yum
Affiliations:
City Univ. of Hong Kong, Kowloon;-;-
Venue:
IEEE Communications Magazine
Year:
1999

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Abstract

In circuit-switched networks it is well known that dynamic routing can provide significant throughput gain over fixed routing. Rerouting is the practice of routing calls currently on alternate paths to direct paths or other less congested alternate paths. Previous studies have shown that rerouting can not only increase the throughput of dynamic routing, but also maintain network stability without the need for trunk reservation. This article presents a taxonomy of rerouting in circuit-switched networks showing the various ways rerouting can be designed. In addition, a comparative study on a number of rerouting schemes are performed in a uniformly loaded, fully connected circuit-switched network