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Re: [rtl] realtime network





-----Original Message-----
From: Michael Kaufmann <root@mucosa.franken.de>
To: Paul Koning <pkoning@xedia.com>
Cc: rich@immrc.eng.mcmaster.ca <rich@immrc.eng.mcmaster.ca>;
rtl@rtlinux.cs.nmt.edu <rtl@rtlinux.cs.nmt.edu>
Date: Friday, June 19, 1998 5:25 PM
Subject: [rtl] realtime network


>On Mon, 15 Jun 1998, Paul Koning wrote:
>
>> No network can guarantee delivery of traffic to a destination with a
>> realtime bound.  On the other hand, many networks offer delivery of
>
[deleted . . .]
>>Let us say you have a network where you can be sure that the packet needs
>max. 2 seconds for transmission. This is also "hard-realtime", because you
can
>be SURE it never takes longer than 2 seconds. But the quality of this
>"hard-realtime network" is not very good, when you don't need more - be
happy.
>

I don't  consider delivery with a 2 second latency "Hard Realtime!"  If its
transmission time is predictable, then it is deterministic, not hard
realtime. (and  only if its delivery is guaranteed!)
>
>But there are applications where you must be able to transfer realtime data
[deleted . . .]

Harris Bruch
hbruch@mindspring.com


--- [rtl] ---
For more information on Real-Time Linux see:
http://www.rtlinux.org/