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Identifying the emulator used


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vasanthz

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Joined: 28 Aug 2007
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Location: Tiruppur, India

PostPosted: Thu Sep 29, 2016 2:17 am
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Hi,

I am trying to find the name of the Mainframe emulators used at our shop. Is there any way we could get the name of the emulator(or some emulator signature) TSO users are using.

We have multiple emulators.
I processed and looked at SMF type 119, subtype 20 and 21 records.

But unable to find anything there which identifies emulators. Is it even technically possible from Mainframe side, since only TN3270, is visible to OS?

Any inputs is welcome. Thank you

Vasanth.S
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enrico-sorichetti

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Joined: 14 Mar 2007
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Location: italy

PostPosted: Thu Sep 29, 2016 2:42 am
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Quote:
Mainframe emulators

I suppose You are talking about the 3270 emulator program!

tn3270 is the <protocol> being used
it holds for real 3270 and emulated 3270 ( pcomm, attchmate,x3270,vista, zoc , ... )
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vasanthz

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PostPosted: Thu Sep 29, 2016 2:54 am
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I should have been clearer. I am trying to identify emulators like attachmate, pcomm, etc..

By saying 3270 I meant the protocol and the 3270 started task which controls the SNA login activity.
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vasanthz

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PostPosted: Thu Sep 29, 2016 3:03 am
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Whenever there is a login(connection initiation) from client, I think there is a negotiation between host and client (attachmate) about the emulator capabilities. So I was suspecting that this negotiation exchange had emulator information logged somewhere.
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enrico-sorichetti

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PostPosted: Thu Sep 29, 2016 3:05 am
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the only data being exchanged is the 3270 data stream
zOS tcp/ip, and vtam treat the same way the requests from real 3270 and emulated ones

Quote:
I think there is a negotiation between host and client about the emulator capabilities.

only in terms of tcpip and vtam capabilities
( colors, lines/columns, ... )

IBM does not and will not care about the terminal emulator being used
as long as it complies with the 3270 specifications
( if it does not comply, the user will face the most awkward errors )
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vasanthz

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PostPosted: Thu Sep 29, 2016 3:14 am
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Quote:
the only data being exchanged is the 3270 data stream
zOS tcp/ip, and vtam treat the same way the requests from real 3270 and emulated ones
Thank you for this information. That answers my question. It is UNpossible.

Regards,
Vasanth.S
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enrico-sorichetti

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PostPosted: Thu Sep 29, 2016 3:18 am
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see here for the tn3270 rfc
www.rfc-base.org/rfc-1576.html
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Nic Clouston

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PostPosted: Thu Sep 29, 2016 1:53 pm
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Whoever sets up your PCs should have a list of what is installed on which PC. They should have this information, as a minimum, for licence validation (i.e. how many of their licences are being used per product).
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vasanthz

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PostPosted: Thu Sep 29, 2016 10:01 pm
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Quote:
Whoever sets up your PCs should have a list of what is installed on which PC. They should have this information, as a minimum, for licence validation (i.e. how many of their licenses are being used per product).
Yes correct, this is a period when we have both emulators running and we are assessing the usage of different emulators.
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