In the DB2 LUW Version 8 time frame, IBM had a product portfolio called Information Integrator (II) with several Editions. Three major technologies in these Editions were:
- Event Publishing
You got all three in almost every Edition. However, in the DB2 LUW Version 9 time frame, II was discontinued and these technologies were put into separately-purchasable products:
- WebSphere* Data Event Publisher
- WebSphere* Replication Server
- WebSphere* Federation Server
These changes led to confusion about what you should get if you paid for II's subscription and support (S&S) and wanted replacement products. What you get depends on which operating system platform you ran on:
- z/OS (mainframe)
- LUW (Linux, UNIX, Windows)
The next two sections cover each.
II had five products on z/OS according to the IBM DB2 Tools announcement letter 204-201:
- Event Publisher
- Classic Event Publisher
- Classic Replication
- Classic Federation
The replacements were announced in separate letters. For example, II Replication and Event Publisher replacements are in IBM announcement letter 206-224. The most asked about is II Replication which was replaced by WebSphere Replication Server's feature that contains both Q and SQL Replication. That's what II Replication's S&S would get you.
II had about six or seven editions on LUW (Advanced, Standard, Replication, Event Publisher, Developer, etc). Most contained all three of event publishing, replication, and federation. According to the annoucement letter (link below), current II cusotmers were entitled to the replacement products called Data Event Publisher, Replication Server, and Federation Server. However, you wouldn't necessarily need all of those. For example, if all you were doing was replicating from DB2 z/OS to an Oracle or Microsoft SQL Server database, you would only need Replication Server since it contains all the federation technology needed for replication purposes. For constrast, note that the Federation Server license does not allow replication through a Federation Server.
If you are upgrading from II and want to know the details of what you get, the best place to find them is the IBM announcement letter titled Software withdrawal and support discontinuance: IBM WebSphere Information Integrator and IBM DB2 DataJoiner — Replacements available. Yep, that's a mouthful, but that's why I linked it, too :) Of course, if you're unfamiliar with what was available in II 8.2, you may want to see the announcement letter for product ID (PID) 5724-C74. It has a complete explanation of what function was available in the various II editions, some of which had names that did not help identify the function available.
* To make things even more fun, these products were rebranded as InfoSphere products in 2009. For example, WebSphere Replication Server is now InfoSphere Replication Server :)