I think it's clear that IBM tries to firmly indicate that the mainframe can be the central control point for any IT-organization. There's of course the preservation of past investments, but there's also the belief that the mainframe (with CICS a.o.) will keep up this position and is best suited for it. I quote from the ESJ Article "CICS Gets Another SOA-Friendly Infusion"
"What I think we find is that there’s a very substantial segment of our enterprise customers that would like to build an SOA hub around their mainframe," says Jim Rhyne, enterprise software platform chief architect with IBM. "They understand that the most critical of their applications and data are on the mainframe, but also they’re used to thinking of the mainframe as kind of a management and control point. What they’d like do is expand that so that SOA reaches a number of other platforms, with [the mainframe] functioning as this sort of point of control."If you want to find more information about it, you'll find 'Features and Benefits', 'System Requirements' and 'Manuals' on the IBM CICS Transaction Server for z/OS V3.2.
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