BOOK: Reliable Distributed Systems: Technologies, Web Services, And Applications

Title: Reliable Distributed Systems: Technologies, Web Services, And Applications
Author: Kenneth P. Birman
Publisher: Springer
ISBN: 0387215093
Publication Date: March, 2005

In chapter 21, the author describes a case in which Tcl/Tk was extended to introduce fault tolerance...

In fall 2009 a new edition is coming out.