Re: Recommendations on 550 to 520 communications

["Michael Ryan" <michaelrtr@xxxxxxxxx>]

Can you CONNECT to a different database and then issue the CALL?

On 1/24/07, DeLong, Eric <EDeLong@xxxxxxxxxxxxxxx> wrote:
> Using SQL as a remote call interface works exceptionally well.  SQL's CALL 
> function allows full bi-directional parameter support, which lets you call a 
> remote programs or apis exactly as you could call it locally.
>
> Eric
>
> -----Original Message-----
> From: midrange-l-bounces@xxxxxxxxxxxx
> [mailto:midrange-l-bounces@xxxxxxxxxxxx]On Behalf Of Chris Bipes
> Sent: Wednesday, January 17, 2007 9:42 AM
> To: Midrange Systems Technical Discussion
> Subject: RE: Recommendations on 550 to 520 communications
>
>
> I would use imbedded SQL to perform the data inquiries to the remote
> system and call the interface programs to the packaged software for
> updates.  I would not directly manipulate the files for update or us any
> interface that would be effected by packaged updates to the application
> software.
>
> Christopher Bipes
> Information Services Director
> CrossCheck, Inc.
>
> -----Original Message-----
> Subject: Recommendations on 550 to 520 communications
>
> Hello,
>
> I have been asked to do some preliminary research on the best methods
> to communicate between two iSeries machines.  The situation is as
> follows:
>
> The 550 is a large zero interactive machine running Lawson M3 ERP
> software (was Intentia) written in Java with Websphere running in a
> separate partition.  The other machine is a 520 Express green screen
> machine running EDI and the Varsity Shipping package (RPGLE), it will
> also be used for development.   The EDI package will be communicating
> both ways to the ERP package through possibly a Lawson interface of
> some sort (we don't know the details yet) or just mapping to some
> specific file layouts on the 550.  The Varsity shipping package will
> be doing all the shipping calculations for customer orders, but will
> also need to work both ways with the ERP package.  Both machines are
> in the same equipment rack.
>
> What do you recommend for communications and why?
>
> DDM files over IP?
> Java calling RPGLE programs?  How would we do this between machines?
> RPGLE calling Java programs?  Again, how would we do this between
> machines?
> How do the systems know about each other?
> Is there some magic red book or other manual that would be helpful?
> What works and what doesn't?
>
> We also plan to talk to the Lawson people, but would like some
> independent ideas too.
>
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