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Old 03-22-2007, 05:00 PM
Andor
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Default Re: What is real-time?

On 22 Mrz., 15:50, Scott Seidman <namdiestt...@mindspring.com> wrote:
> "Andor" <andor.bari...@gmail.com> wrote in news:1174574771.790706.183280
> @p15g2000hsd.googlegroups.com:
>
> > Randy wrote:

>
> >> A real-time system is a system that has a period and a well-defined
> >> maximum amount of work to be done in that period and that can perform
> >> that amount of work in that period.

>
> >> Latency is input to output delay.

>
> > Now think about it: the work a system does is to transform an input
> > into an output. And the "period" limits the amount of time that the
> > system may spend on the work, ie. the amount of time the system has
> > available to transform an input into an output. So, by your
> > definition, a real-time system is a system that has bounded input/
> > output latency.

>
> I think the deadline definition is better than the latency definition.


What's the deadline definition?

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