[time-nuts] Serial port server .. any interest in a write up on using ?

Bob Camp lists at rtty.us
Tue May 22 22:27:11 UTC 2012


Hi

I'd bet at least a cold order of french fries that you would be below 1 ms on a modern home wired LAN. Certainly everything I ping locally is sub 1 ms unless wireless is involved.

Bob

On May 22, 2012, at 4:44 PM, Hal Murray wrote:

> 
> ed_palmer at sasktel.net said:
>> I've played with a Lantronix single port server and a Digi 16 port  server
>> with no problems for simple COM port emulation.  But I wonder if  they would
>> work well with an NTP server.  Has anyone tested that?  Is  the network
>> delay a problem due to either amount of delay or variation  in the delay? 
> 
> I haven't done the experiment.
> 
> If your network is lightly loaded, there shouldn't be much jitter.  All bets 
> are off if your network is overloaded.
> 
> I think it depends upon your goal.  If your target is a few 10s of ms, I'd 
> expect them to work.  If your target is a few microseconds, I'd expect 
> problems.
> 
> -- 
> These are my opinions.  I hate spam.
> 
> 
> 
> 
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