[72492] in North American Network Operators' Group
Re: video distribution
daemon@ATHENA.MIT.EDU (Marshall Eubanks)
Wed Jul 14 16:32:35 2004
In-Reply-To: <B0009417612@mail.bblabs.net>
Cc: <nanog@merit.edu>
From: Marshall Eubanks <tme@multicasttech.com>
Date: Wed, 14 Jul 2004 16:31:51 -0400
To: "Christopher J. Wolff" <chris@bblabs.com>
Errors-To: owner-nanog-outgoing@merit.edu
If you have control over the entire network, I would suggest
native multicast. This is used operationally by a number of providers
and is one candidate for the next generation of "cable" TV providers.
If you want to reach arbitrary people across networks, then you will
need to do either unicast or application layer multicast, depending on
a bunch of things.
Broadcast quality TV is typically 3 to 6 Mbps of MPEG-2. You can
do pretty well now-a-days with 300 to 600 kbps of MPEG-4 or H.264.
Regards
Marshall Eubanks
On Jul 14, 2004, at 4:01 PM, Christopher J. Wolff wrote:
>
> Hello,
>
> I have a "state of the state" sort of question for you guru's out
> there. If
> I wanted to make a number of video streams available across an IP WAN
> network, I have a couple of options. Unicast or Multicast. Unicast
> isn't
> the most efficient method necessarily so my preference would be
> Multicast.
> Now since it's been years since I've thought about Multicast, are
> there any
> hot new technologies or methods available for video transmission over
> an IP
> network? Thank you very much for your time.
>
> Regards,
> Christopher J. Wolff VP CIO
> Broadband Laboratories, Inc.
> http://www.bblabs.com
>
>
>
T.M. Eubanks
e-mail : tme@multicasttech.com
http://www.multicasttech.com
Test your network for multicast :
http://www.multicasttech.com/mt/
Our New Video Service is in Beta testing
http://www.americafree.tv
