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Best way to connect RDBMs using Domino

We are trying to identify the best method to connect to RDBMs (Relational Database Models) using Domino. While we are aware of the various methods, we would be interested in finding the pros and cons of each and when to use what.
Lotus and some of its Business Partners provide a number of great tools for integrating Domino with external systems. Maybe too many?! Well, not really but the message is a bit confusing when you have so many choices. I have found the best way to begin an integration project is just like any software project: define a requirements list!

Identify all the touch points of the applications involved.

  • Is one system the source and another the destination of inserts and updates?
  • Do you need real-time updates?
  • How much data are you dealing with on both sides (and how can you reduce the comparison/results sets to a manageable level)?
  • Who's going to work with you on the "other" side of the integration table?
As for tools, you should classify them into groups by functionality. DECS (for R5) or LEI 6 Advanced RealTime are your best options for real-time access if Domino is the application server. If your scenario calls for batch and or scheduled updates, you should look at LEI, Percussion's Notrix and Casahl's ReplicAction. Personally, I work with LEI only. Yes, it has some (shall we call them) challenges, but so do the others.
This was last published in October 2003

Dig Deeper on LEI and DECS for Lotus Notes Domino

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