Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

Fri, 17 Jun 2022 11:46:44 -0700

If nobody has mentioned it yet, isn't one big difference between a Mainframe and Cloud (the average definition) the fact that a company can easily move their existing Linux processing to places like AWS, and then later if they don't like AWS, move it just as easily to an AWS competitor? 

On 6/17/2022 10:42 AM, Bill Johnson wrote:

What’s the difference between JPM’s mainframe and Capital One’s AWS? Other than 
one is fast, reliable, and secure and the other is not. Both can be located 
anywhere in the world and accessed from anywhere via all kinds of devices. 
Explain the difference. What makes one a cloud and not the other?


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On Friday, June 17, 2022, 1:36 PM, zMan <[email protected]> wrote:

OK...that was the commonality. Either that or you were suggesting that
"banking transactions" implies cloud.

I saw no "cloud" in anything you listed other than that one bank was
running their stuff in AWS. Viewed through that lens, the question doesn't
even make sense: "Is this thing that IS in the cloud different from this
other thing that's not in the cloud?" Well, yes.

On Fri, Jun 17, 2022 at 1:30 PM Bill Johnson <
[email protected]> wrote:


I never said APP = Cloud. I can get my banking transactions anywhere in
the world from JPM wherever their mainframe is located. The exact same
thing I can do with Capital One via AWS. The APPS are just the front end
query mechanism.


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On Friday, June 17, 2022, 1:22 PM, zMan <[email protected]> wrote:

Correct. App <> cloud.

On Fri, Jun 17, 2022 at 1:04 PM Bill Johnson <
[email protected]> wrote:


So if I get my banking transactions by Capital One APP via AWS, that’s
cloud, but if I get those same banking transactions via JP Morgan APP

which

acquires the records via CICS transaction from DB2 that’s not cloud?


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On Friday, June 17, 2022, 12:56 PM, zMan <[email protected]> wrote:

I'm highly suspicious of cloud in general, don't get me wrong. But IBM
can't just call CICS "cloud" and expect it to mean anything. Calling a

tail

a leg doesn't make it one: when the rest of the industry says "cloud"

these

days, they don't just mean outsourcing, and definitely don't mean CICS.

And

CICS isn't a synonym for outsourcing in any case.

Actually, if you think of cloud services in terms of HTTPS transactions,
CICS isn't that far off in some ways--but it still isn't the same thing,
more an older, pre-Internet version of something similar. Yes, CICS can
serve web pages; that doesn't make CICS = cloud!

"Mainframe modernization" is a pretty bogus term, nicely loaded: "Hmm, if
mainframe modernization exists, mainframes must be
old-fashioned/obsolete/behind". Wrong, as we know. "Mainframe emulation"

is

closer, only that tends to make us think zPDT, Hercules, et al.; "z/OS
emulation" seems more accurate to me, but isn't the term that folks use,

so

it doesn't help at this point. It's a mess.

But none of this discussion, interesting as it is, relates to the fact

that

IBM claims to have a cloud presence BUT has chosen to host their offering
in AWS. Those two items are pretty hard to reconcile.

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--
zMan -- "I've got a mainframe and I'm not afraid to use it"

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