W dniu 2018-03-19 o 16:45, Bernd Oppolzer pisze:
Am 19.03.2018 um 10:52 schrieb R.S.:
W dniu 2018-03-19 o 06:24, ITschak Mugzach pisze:
I wonder if anyone (vendors, maybe) has an insight into the mainframe
market size:
- number of sites
- vse vs zos
- continental distribution
- sectiors
IBM?
I'm pretty sure IBM is not wiling to share this information. Maybe
some companies like Gartner have some view, but they would want money
for that information.
Small piece of info:
Poland - 0,00 VSE installations. IMHO historically it was always 0.
There was one, when we helped to replace
the ODRA machines at MPK Lodz (similar to British ICL machine,
George-3 operating system, IIRC)
with a VM 4381-12 running VM (DB2, Pascal) and VSE (CICS, DB2, COBOL)
in the beginning of th 1990s. I was there two times,
1992 and 1994, to help with the installation and customization
of the machine.
Also, people say VSE is popular in UK and Germany.
Yes, indeed. VSE was IMO maintained to a large part
in the Boeblingen lab, which is 10 km from where I live.
We had it at the Stuttgart public transportation company (SSB),
which was the company which helped MPK (see above).
Stuttgart and Lodz are partner towns (jumelage in French,
don't know the English expression).
Kind regards
Bernd
Bernd,
I know the installation and know people related to it.
Note: your 4381 was replaced with P/390 and after few years mainframe
completely switched off.
For my knowledge they have never used VSE in production.
What they used was ODRA emulator under z/VM.
ODRA is licensed clone of ICL 1900 with GEORGE3 operating system. It was
very popular in Poland.
BTW: at the time you also gave to MPK used tramway. (MPK is public
transportation company).
BTW2: MPK just bought several used tramways, I think it was from Munich.
New tramways are cery expensive (approx. 2 milion euro) and used one are
~30 times cheaper. Like a mainframe ;-)
--
Radoslaw Skorupka
Lodz, Poland
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