Re: 50Mb across the country in 6 seconds

You can't forget to take into account the L4 transport mechanism. TCP
will obviously have some impact on the speed because of the
acknowlegement nature of the protocol.

Ultimately your throughput calculation will have to consider RTT and
MSS if you are dealing with TCP

On 3/3/12, Jersey Guy <guy.jersey_at_gmail.com> wrote:
> Hello Gents. This DBA guy tells me he copied a 50Mb file from his machine
> in New Jersey to a server in California in 6 seconds. I told him that's not
> possible because the smallest link in the path is 1Gb/sec but MTU is 1500,
> so even if you take wire speed, it would be at least 33 seconds before the
> file was copied. Am I wrong in saying so?
>
> TIA
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
>
>
>
>
>
>
>

-- 
Sent from my mobile device
Regards,
Joe Astorino
CCIE #24347
http://astorinonetworks.com
"He not busy being born is busy dying" - Dylan
Blogs and organic groups at http://www.ccie.net