I see my first attempt didn't make it into the archive so I'll try again.
I'm going to remove the "quoted message" in case some sort of combination
involving the quoted message got in the way. I think I'll also try posting
from the archive - for the first time - to see if that's going to be any
more successful.

Mark,

I'm afraid I know very little of these PC platforms emulating the S/360 and
its descendents so if I seem ignorant of and stand amazed at the hoops
through which you are jumping, please accept my apologies.

Does the system run VM on top of which sit MVS and VSE? - or does the system
mimic 3 LPARs so that each operating system runs it a separate partition?

Normally a CTC runs over a channel. I know that a CTC can be emulated using
VM and I have often used that "trick". I can imagine that a CTC could be
emulated by the PC platform emulating the hardware - much as VM does I
suppose. I am amazed that the token ring card is involved but maybe that's
how the "trick" works in the PC platform. I have just been assisting
privately with a Hercules configuration where I have discovered that one
half of a z/OS CS IP CTC link can talk to the Windows Loopback Adapter
emulating the other half.

Note that I do not encourage the use of private conversations started in the
list/group so please keep your replies here.

If you want to use "flex"-defined CTCs, the answer is surely in the "flex"
documentation and probably the answer will also be in a "flex"-oriented
list/group if only because all preconceptions are destroyed when attention
is diverted to these "wonderful" and "tricky" platforms.

What I can't quite understand here is why you need advice about the VTAM
definitions when you are not - as you have described it - changing the
logical configuration as far as VTAM is concerned. Thus the definitions
should be exactly the same. The only part which may well change is the
"smoke and mirrors" required by the PC platform. The CDRM definitions are
even more removed from the link definitions so there is even less reason to
change these than the link definitions - which should, as I said, not need
changing at all.

After all that it's becoming clear that something in the original request
isn't perhaps as clear as it might have been. :-(

Chris Mason

----- Original Message ----- 
From: "Mark Wilson" <[EMAIL PROTECTED]>
Newsgroups: bit.listserv.ibm-main
To: <IBM-MAIN@BAMA.UA.EDU>
Sent: Thursday, 06 July, 2006 3:01 PM
Subject: CTC's & VTAM

<snip - in an attempt to get round whatever effect kept my first attempt
from appearing>

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