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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.
Thanks for your suggestions. Dave Murvin DRM Enterprises, Inc.
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