In my mind speed is the clocking of the medium and bandwidth is the
payload you can get accross said medium. For example you could set up
an 45M ATM circuit and shape so that only 3M of bandwidth is used but
that 3M if data is still clocking at 45M. Ethernet is 10M but you'll
never get 10M acrros an ethernet so your bandwidth is optimally around
7M
Dave
Shawn Xu wrote:
>
> Hi, Everyone:
>
> Sometimes I am stupid, I could not tell clearly from these two things:
> bandwidth and speed.
>
> For example, T1 connection, we know the speed is 1.544Mbps, that means this
> line can transfer 1.544 Mega bits per second, this is speed.
>
> But what is bandwidth? I am working on bandwidth monitor using MRTG saying
> Bits Per Second. My colleague said I don't need time, per second, I need
> just how many bits or packets, this is bandwidth. For bandwidth you can not
> use time system?
>
> Please help, thanks
>
> Shawn Xu
>
> _________________________________________________________________
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--
David Madland
Sr. Network Engineer
CCIE# 2016
Qwest Communications Int. Inc.
[EMAIL PROTECTED]
612-664-3367
"Emotion should reflect reason not guide it"
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