Kamil Saraç Kevin C. Almeroth A Distributed Approach for Monitoring Multicast Service Availability. 2004 12 J. Network Syst. Manage. 2 http://dx.doi.org/10.1023/B:JONS.0000043684.78854.fd db/journals/jnsm/jnsm12.html#SaracA04 327-348