HP3000-L Archives

November 1995, Week 2

HP3000-L@RAVEN.UTC.EDU

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Subject:
From:
Duane Percox <[log in to unmask]>
Reply To:
Duane Percox <[log in to unmask]>
Date:
Mon, 13 Nov 1995 08:37:27 -0800
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Jeff Kell wrote:
 
>Anyone else out there tried an NS/VT connection with a considerable network
>lag time?  I tried NS/VT over a SLIP connection and it is AWFUL!  You can
>see delays between network packets (write 5 lines, wait 15 seconds, etc)
>and sometimes it hangs altogether.  It works great locally, but throw in
>some lag time and you're dead meat.
>
>It's not a "network problem" either since I changed over to telnet to our
>DTC TAC and everything was fine.  Of course this could be my TCP stack as
>well (WRQ's RNS/Win 4.0) so I can't point my finger at the culprit; that's
>why I'm asking.  Have you had trouble with NS/VT over slow links and/or
>long latency, and if so, what stack are you using?
 
Jeff,
 
We do ns/vt over ppp to our 3k (using a Livingston Portmaster) on a regular
basis and this is what we discovered:
 
1. works great
2. the tcp/ip stack could influence performance. we first used trumpet and
it would 'pause' periodically. Not anything like you describe, but
noticeable. Once we converted to the win-95 tcp/ip stack the periodic
'pause' went away.
 
-- Duane Percox (Quintessential School Systems)
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