[[!comment format=mdwn
 username="http://phil.0x539.de/"
 nickname="Philipp Kern"
 subject="comment 5"
 date="2012-11-12T12:50:26Z"
 content="""
To quote the website (emphasis mine):
> PGM is appropriate for applications that require duplicate-free multicast data delivery from multiple sources to multiple receivers. *PGM does not support acknowledged delivery, nor does it guarantee ordering of packets from multiple senders.*
"""]]
