analysis of routing & topology data sept/oct 2001 no aphorism is more frequently repeated... than that we must ask Nature few questions, or ideally, one question at a time. ...this view is wholly mistaken. Nature will best respond to a logically and artfully thought out questionnaire; indeed if we ask her a single question, she will often refuse to answer until some other topic has been dicussed. -- perspectives in medicine and biology 1973 sir ronald a fisher broido@caida.org kc@caida.org ucsd/sdsc/caida