Hello,
we went form 3172-TK to 3172-ATM 155 and then to a nice CIP card in a CISCO
router (escon connexion).

I only remember a 100% increase in the network data transfer rate moving
from ATM to the CIP card.

Regards,

René Lambelet
Nestec S.A. / Informatique du Centre 
55, av. Nestlé  CH-1800 Vevey (Switzerland) 
*+41(021) 924 3543  7 +41 (021) 924 4589  * B 133
Visit our site: http://www.nestle.com

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> -----Original Message-----
> From: Christo Heuër [SMTP:christoh AT ABSA.CO DOT ZA]
> Sent: Monday, April 03, 2000 3:37 PM
> To:   ADSM-L AT VM.MARIST DOT EDU
> Subject:      *SM and OS/390 users
> 
> Hi,
> 
> Can the guys/gals who are still running *SM on OS/390
> please give me some info as to what their current config
> looks like - not the whole network - just the part out
> of the OS/390 system to the first hub on the network.
> We are currently having some serious bottleneck on our
> bandwidth into OS/390 and our architecture guys do not
> want to change anything if we can not give them some real
> stats on environments where this is actually working and people
> are happy with the performance. I've read the paper kindly
> supplied by Angelo and the stats are very impressive.
> 
> Nevertheless the architecture guys are pushing us towards
> AIX and not OS/390. I would prefer staying with OS/390 as
> we have electronic vaulting already in place for this
> environment and changing to AIX would mean a major change
> in the infrastructure required - not just changing our pipe
> into OS/390. Let me give you our current environment:
> OS/390 V2.6 - ADSM V3.1.2.40. OS/390-Escon-IBM3172-16M/bit T/Ring
> connected to 155 M/Bit ATM backbone (Bare in mind that this 3172
> is not only dedicated to ADSM but is shared with 3 other LPARS
> running quite big file transfers from open systems to OS/390).
> From this it is clear that the 3172 is the bottleneck but what
> is currently available and what kind of throughput are you getting into
> OS/390?
> 
> You can reply private and I'll present a summary to the list.
> 
> Regards
> Christo Heuer
> ABSA Bank
> Johannesburg
> SOUTH AFRICA