John D. DeHart Fred Kuhns Jyoti Parwatikar Jonathan S. Turner Charlie Wiseman Ken Wong The open network laboratory. 107-111 2006 conf/sigcse/2006 SIGCSE http://doi.acm.org/10.1145/1121341.1121376 db/conf/sigcse/sigcse2006.html#DeHartKPTWW06