[54973] in North American Network Operators' Group
Re: OT: Re: FW: Re: Is there a line of defense against Distributed Reflective attacks?
daemon@ATHENA.MIT.EDU (Marshall Eubanks)
Wed Jan 22 18:18:57 2003
Date: Wed, 22 Jan 2003 18:18:36 -0500
Cc: <nanog@trapdoor.merit.edu>,
"Chris Parker" <cparker@starnetusa.net>
To: "Petri Helenius" <pete@he.iki.fi>
From: Marshall Eubanks <tme@multicasttech.com>
In-Reply-To: <014601c2c26a$b0ed2a50$892a40c1@PHE>
Errors-To: owner-nanog-outgoing@merit.edu
Hello;
On Wednesday, January 22, 2003, at 06:04 PM, Petri Helenius wrote:
>
>> Drifting off-topic, but those are 'raw' data rates. Compression
>> algorithms
>> along with motion-estimation allow you to get full-screen video down to
>> ~1.5 Mbps with not much in the way of image quality loss.
>>
> Raw HDTV is about 1.2Gbps. RAW NTSC SDI bitstream is a few hundred.
> The 6 and 19.8 are already compressed. Obviously putting more horsepower
> to the compression you can achieve smaller data rates. However applying
> for example MPEG4 instead of MPEG2 for 1080i or 720p ups the
> computational
> requirements beyond current consumer state of the art.
The first MPEG-4 HD set top boxes are beginning to appear
http://www.sigmadesigns.com/news/press_releases/030108.htm
Watch this space....
Regards
Marshall Eubanks
>
>> I think you'll see it long before every house has fiber run to it.
>>
> 75% is enough.
>
> Pete
>
>
> \
T.M. Eubanks
Multicast Technologies, Inc.
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