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Re: OT: Re: FW: Re: Is there a line of defense against Distributed Reflective attacks?

  • From: Marshall Eubanks
  • Date: Wed Jan 22 18:20:41 2003


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

Watch this space....

                                 Marshall Eubanks

I think you'll see it long before every house has fiber run to it.

75% is enough.


T.M. Eubanks
Multicast Technologies, Inc.
10301 Democracy Lane, Suite 410
Fairfax, Virginia 22030
Phone : 703-293-9624       Fax     : 703-293-9609
e-mail :

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