Input file

/* this is sufficient info for SIP and EndSys multicast
 * but do we also want to have user be able to specify latency/bandwidth requirements as for DiffSrv?
*/

service type
number of participants
1st client(user) name
1st client-hostname
2nd client-user name
2nd client-hostname

i.e.
1
3
clin
infocom.cmcl.cs.cmu.edu
jiacheng
deforrest.ini.cmu.edu
prs
hawaii.cmcl.cs.cmu.edu