Mahesh Balakrishnan Stefan Pleisch Ken Birman Slingshot: Time-Critical Multicast for Clustered Applications. 205-214 2005 conf/nca/2005 NCA http://doi.ieeecomputersociety.org/10.1109/NCA.2005.49 db/conf/nca/nca2005.html#BalakrishnanPB05