Saikat Guha Jaideep Chandrashekar Nina Taft Konstantina Papagiannaki How healthy are today's enterprise networks? 145-150 2008 Internet Measurement Comference http://doi.acm.org/10.1145/1452520.1452538 conf/imc/2008 db/conf/imc/imc2008.html#GuhaCTP08