http://library.hp.com/techpubs/2009/HPL-2009-78.html: Causeway: A message-oriented distributed debugger ________________________ Alan Karp Principal Scientist Virus Safe Computing Initiative Hewlett-Packard Laboratories 1501 Page Mill Road Palo Alto, CA 94304 (650) 857-3967, fax (650) 857-7029 http://www.hpl.hp.com/personal/Alan_Karp