Rajeev Sivaram Ram Kesavan Dhabaleswar K. Panda Craig B. Stunkel Where to Provide Support for Efficient Multicasting in Irregular Networks: Network Interface or Switch? 452-459 1998 conf/icpp/1998 ICPP http://computer.org/proceedings/icpp/8650/86500452abs.htm db/conf/icpp/icpp1998.html#SivaramKPS98