> -----Original Message-----
> From: IBM Mainframe Discussion List 
> [mailto:[EMAIL PROTECTED] On Behalf Of Ted MacNEIL
> Sent: Wednesday, July 18, 2007 10:43 AM
> To: IBM-MAIN@BAMA.UA.EDU
> Subject: Re: PSI MIPS (was: Links to decent 'why the 
> mainframe thrives' article)
> 
> 
> >If your point 1 were accurate, management would dump those servers.
> 
> Two points that substantiate the TCA argument (or, to be more 
> presice ICA (initial cost of acquisition)):
> 
> 1. Mainframe DASD costs more than midrange disk.
>    (Even IBM's DS series).
> 2. IFL's cost arounnd 100K (US).
>    ("I can buy a lot of servers for that price" -- a manager I know).

What kind and size of Server? How much business processing can it do by
itself? I know that the Enterprise class Intel/AMD servers here are very
expensive, compared to "desktop" class. Unfortunately, I don't know even
the approximate cost. I have have been told that the combined
hardware+software cost of the "Open Systems" servers (mainly Windows)
costs more than the hardware+software cost of the z9BC we have. I don't
know the personnel costs. Oh, and the z9BC is still doing at least 80%
of the core business. And people are constantly complaining about server
response time. CICS response time stays sub-second. Batch, on the other
hand, sometimes gets bogged down.

--
John McKown
Senior Systems Programmer
HealthMarkets
Keeping the Promise of Affordable Coverage
Administrative Services Group
Information Technology

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