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  • Subject: Re: batch job that uses a dspf.
  • From: "James W. Kilgore" <eMail@xxxxxxxxxxxxxxxxxxx>
  • Date: Mon, 23 Apr 2001 10:58:29 -0700
  • Organization: Progressive Data Systems, Inc.

Leif,

I think that the minor detail that you are looking for is the difference
between the system (OS/400) or your program sending the data stream.

From the OS/400 view point, if the client want's to talk 5250 (like an
emulator) it makes a 5250 connection.  If the client want's to just make
a connection, it can be a sockets connection and then both the server
program (yours -not- OS/400) and the client can agree on any data stream
you wish.

And you are correct.  Your scenario could be batch.

From an OS/400 view point a socket connection is -not- a 5250
connection. It's a TCP/IP sockets connection.  What you send through it
(5250, 3270, 3451, HTML, XML, MSGQ, DTAQ, etc.) it doesn't know. 
Computers can't read ;)

Now software like Client Access, TN5250 use TCP/IP as the transport
protocol but they make a 5250 connection.  They pretend to be a 5250
hardware device.



Leif Svalgaard wrote:
> 
> From: James W. Kilgore <eMail@James-W-Kilgore.com>
> 
> > AFAIK, interactive is any 5250 data stream process.  This includes any
> > manner of front end that you may have
> 
> this is still too vague. Imagine this scenario:
> I have a batch job that talks to a PC client using TCP/IP
> sockets. It sends the PC client a 5250 data stream over
> the socket. The PC client converts that to a nicer looking
> screen (GUI or whatever).
> 
> This is clearly a 5250 data stream process but is not
> interactive (AFAIK).
>
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