[CentOS] Check my math please

Neil Aggarwal neil at JAMMConsulting.com
Wed Nov 5 21:55:12 UTC 2008


Sean:

Don't forget that the data speed != line speed.
A line will only carry about 70% of the line
speed as data because of packet overheads.

	Neil


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> -----Original Message-----
> From: centos-bounces at centos.org 
> [mailto:centos-bounces at centos.org] On Behalf Of Sean Carolan
> Sent: Wednesday, November 05, 2008 3:47 PM
> To: CentOS mailing list
> Subject: [CentOS] Check my math please
> 
> Ok this is kind of a goofy question but I want to make sure I get it
> right. Suppose we have a 25 mb video, that is 117 seconds long.  If we
> wish for this streaming video to play smoothly with no compression,
> buffering or skipping, the following bandwidth requirements must be
> met:
> 
> 25 megabytes = 204800 kilobits.
> 
> 204800 kb / 117 seconds ~ 1750kb/s
> 
> Does that look right to you?
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