[e2e] how far it queues?
David P. Reed
dpreed at reed.com
Fri Oct 4 12:28:30 PDT 2002
At 12:39 PM 10/4/2002 -0300, Alexandre L. Grojsgold wrote:
>Then come people with some voice and video applications and tell us that
>they have some special needs to run their stuff:
>
>- the packet transmission delay shall not exceed much the time that light
> takes to cover the distance between the sender and the receiver;
>
>- the jitter must be low, i.e., the delay must not vary much, nor very
> fast.
>
>- very few packet discards.
>
>
>Ok, given these needs, what can one expect from the above mentioned happy
>and healthy net? Will it fit the needs? Most of the time? Half the time?
>Hardly?
It's easy to make up "requirements". Most of them are BS. If somebody
came to me with requirements like those above, I'd say: wow, aren't you
special.
I could come to the US electric power grid and ask it for femtosecond
pulses of energy on demand at any random time I choose, with the only
constraint being that I never use more than 1 Megawatt-hour per year,
averaged over a year, which is really a modest power consumption.
Sounds reasonable, right? Any power network should be able to do that if
I just connect my load across the 110V terminals, and switch it on?
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