Thread View: at.mail.mbone
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Started by Jon Crowcroft
Thu, 08 Oct 1998 00:00
Re: MBone services
Author: Jon Crowcroft
Date: Thu, 08 Oct 1998 00:00
Date: Thu, 08 Oct 1998 00:00
45 lines
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2370 bytes
In message <361CBE21.7764A352@tyranny.com>, Chris Rapier typed: i think we need an Mbone business case FAQ 1/ multicast is in use 2/ the public domain mbone tools (vic, vat, wb, rat, ivs etc) are in use 3/ the mbone is a virtual overlay net -= parts of the internet are runnign "full metal jacket service ip multicast" and using multicast for applications today 4/ real time is orthogonal to multicast - ip realtime (int-serv, diffserv) is not a mature technology - it is 7 years younger than ip multicast...... 5/ overprovisioned pieces of the internet run both multicast and realtime just fine - few are overprovisioned enough to allow much unicast real time video just yet - real audio, yes, but not video 6/ a lot of the CODECs in mbone tools and a lot of the playout adaption algorithms are WAY better than allegedly commercial products (esp. in ip telephony) - there are a few notable exceptions....someone ought to list these.... 7/ see 1 cheers >>My apologies for disagreeing. I'll just blame it on the fever. >> >>I still do not think MBONE and MBONE applications are a mature technology nor >>do I think there currently exists the business incentive to develop them >>fully. >> >>This does not mean that I feel MBONE technology is a waste or stupid or >>useless only that it is not a serious competitor in most markets. If someone >>is planning on charging for MBONE services *and* expects to make any profit >>off of it they better have a good way to convince people to install vic and >>vat or other multicast aware software (eg. get microsoft or real networks to >>include support for it in their next version of their network media foo (or in >>the channels or whatever)). However, please prove me wrong. Show me it is a >>serious competitor. I would rather that it was and that I am misinformed. cheers jon
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