On Fri, 28 Dec 2007 07:35:36 -0000, Phil Payne
<[EMAIL PROTECTED]> wrote:

http://www.sva.de/files/RZ_SVA%20z%20Hosting_web.pdf

>This is the first example I've seen of a hosting service designed specifically 
>for ISVs.

My high school German is not up to much, but if I am reading it correctly,
SVA says they will look after the administration of the PWD agreements for
free software. This is fascinating, since PWD pricing on a shared, non-IBM
machine seems to be a privilege that IBM won't grant to others...

>Other, that is, than IBM's - and some ISVs may have concerns about hosting 
>their development on an IBM site.

To say nothing of hosting on a site outside their own country, subject to
that other country's rules and courts on data disclosure, copyright, etc. A
Swiss ISV, with a Swiss bank as a customer, is going to have quite a fun
time convincing its customer to send a dump to Dallas (or Wiesbaden for that
matter).

>The 'old' PCMs had machine-readable (think Backus Naur on steroids)
definitions 
>of the architecture.

That would be APL, I think... ;-)

>What now seems to be emerging as zPDT seems to have started in Böblingen, 
>at one time a true hotbed of Hercules use within IBM.  Böblingen was always 
>interested because it was the home of VSE, which was highly dependent on 
>small mainframes and thus neglected by PoK.  The Germans took this almost as 
>a national insult, given the size of the VSE installed base in Germany.

You said in October that Dr Goebel (of Böblingen, I believe) is the most
fanatical anti-Flex-ES person within the whole of IBM. Is he anti-emulation,
or just anti-Funsoft?

>One [highly unsubstantiated and dubious] report suggests zPDT is not a JIT
>emulator but more of an interpreter.

Given the rumoured performance wrt Hercules (which is a pure interpreter
without any JIT capability), that seems entirely believable.

>To pick up on Warner's point (4) about IBM not wanting to produce a low-end
>emulated-on-Intel system - they did.  It was called the xSeries 430 Enabled
For 
>System/390 and it bombed.
>http://www.isham-research.co.uk/numaq.html

When they announced it, I called it a solution looking for a problem. There
was nothing wrong with it as a Flex box, except that IBM tried to push the
ability to run Windows and who knows what else on it at the same time, which
had no conceivable business case for the customer, and inflated the price.
Strangely, PSI is touting the same pointless misfeature for its box,
presumably in the hope that by some marketing handwaving it will magically
provide a migration path from z/OS to Windows.

>A fully enabled and licensed Flex-ES system can literally run anything ever
>supported on an IBM mainframe.  

Parallel Sysplex? Where would the coupling code come from? While I can
easily believe that writing a z/Arch emulator based only on published
sources is possible, I'm willing to bet that writing Sysplex coupling code
and the emulator to run it in, is not.

>  Phil Payne

Tony H.

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