Re: Possible new Real-Time Applications and Infrastucture (RAI) Area

[Melinda Shore <mshore at cisco.com>]

On 9/22/05 1:14 AM, "Dave Crocker" <dhc2 at dcrocker.net> wrote:
> The term
> "real-time" tends to mean sub-second, and often much faster than that.

That seems to be the vernacular use, but strictly speaking "real-time"
is about robust assurances of delivery within a constrained time period,
whether that time period is millisecond or multi-minute.  In other
words, the focus is on the guarantees, not on really-really-fast.

> By definition, the folks in the new area will not be worrying about
> cohabitation; they will focus on on the needs of their own set of
> applications.

I don't agree that it will happen "by definition," but in any event it's
already happening anyway.  That there's effectively only one AD covering
the area at the moment may have something to do with that, or maybe not.
Also, for some of these applications, it's increasingly the case that
they're not running on a shared infrastructure.  Whether through the
use of physically separate networks or through engineered tunnels, things
like voice are starting to run on at least logically isolated networks.

Melinda

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