Kevin C. Almeroth wrote: >>>It's not quite that simple; multicast ought to be a great technology for >>>conferencing, but there are problems that would inhibit its use even if >>>it were widely deployed. >>> >>> >Like? > Like the entire rest of my message. >First, what are IETF-style apps? Are you talking vic/vat? > Yes. >The content >sent from the IETF can be received with Real, Media Player, Quicktime, >IPTV, vic/vat, etc. > Most of those are not multicast--and they certainly aren't conferencing. >Also, there are plenty of (surviving) companies offering non-conferencing > I was talking about conferencing. >>>but consider: once you start running a >>>multicast session over the Internet, anybody who's within the TTL range >>>can intercept it. >>> >Same with UDP traffic. Same with TCP traffic. > No, those can be intercepted only by tricking the routers. Multicast specifically permits anyone to pick up the traffic just by asking for it. -- /===========================================\ |John Stracke |jstracke@centivinc.com | |Principal Engineer|http://www.centivinc.com| |Centiv |My opinions are my own. | |===========================================| |Brought to you by the letter Q. | \===========================================/