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Diff. Betn RUI and SLI

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Jagdish

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Jan 30, 2006, 7:51:44 AM1/30/06
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Hi all,
I am new to SNA LUA programming. Can someone explain to me what is
difference between RUI and SLI? What I want to find out is in what
situation to use RUI vs SLI.

Thanks in advance for any help.

jagdish

robert...@yahoo.com

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Jan 31, 2006, 12:00:48 AM1/31/06
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Jagdish wrote:
> Hi all,
> I am new to SNA LUA programming. Can someone explain to me what is
> difference between RUI and SLI? What I want to find out is in what
> situation to use RUI vs SLI.


Basically RUI makes you handle each RU. SLI does much of the low level
work for you (especially during session set up), and you mostly just
transfer data on the session. For example, with RUI you get to
interact with the SSCP to handle session setup, which is done under the
covers with SLI.

Most LUA applications probably should use SLI.

Jagdish

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Jan 31, 2006, 6:11:28 AM1/31/06
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Thanks for your early reply now we are clear about the diffrence.

We are making application which will work on Windows 2000 and Windows
XP,

This application will communicate with HIS 2004, HIS will be connected
to IBM Host pcs.

We have to use LUA only.

Is there any way to test MSDN Sample(RUI 3270/Sli3270) applications
with HIS 2004 without connection to IBM Host ?

At develpment level we dont have Link / connection to IBM Host.

Thanks.

robert...@yahoo.com

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Jan 31, 2006, 4:53:16 PM1/31/06
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Jagdish wrote:
> Thanks for your early reply now we are clear about the diffrence.
>
> We are making application which will work on Windows 2000 and Windows
> XP,
>
> This application will communicate with HIS 2004, HIS will be connected
> to IBM Host pcs.
>
> We have to use LUA only.
>
> Is there any way to test MSDN Sample(RUI 3270/Sli3270) applications
> with HIS 2004 without connection to IBM Host ?
>
> At develpment level we dont have Link / connection to IBM Host.


Not really, you'll need a host connection to do anything serious, as
you basically won't get anywhere with a dependant LU unless you have an
SSCP (IOW VTAM on a host) to talk to. If you were doing an LU6.2
(APPC) application, it's possible to connect from one PC application to
another.

What kind of application/datastream are you going to use that requires
that you use LUA? If it's 3270 datastream you may find using TN3270 (a
lot) easier, if not, why not TCP or LU6.2?

I've PM'd you as well, we have some stuff in this area that might be of
interest to you.

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