Fermat Ma wrote:
Thanks for replying. Actually, the goal is to migrate an application off to
open platform. And the data updated on open platform also needs to be synch
back to IMS. Therefore, we were thinking about using JDBC Type 4 driver.
With that, there should be no need to develop mainframe programs.
IIRC, IMS V11 plans to include ODBM support via IMS connect. That should
address your needs.
Fermat
On Tue, Jun 23, 2009 at 2:30 PM, Timothy Sipples <e99...@jp.ibm.com> wrote:
It sounds like you have data-intensive applications, including batch and
online. If the goal is to add a Java environment to your application
runtime collection, then you have a couple choices. (And the choices can be
used in combination also.)
One is that IMS Transaction Manager supports Java programming and has for
nearly 10 years now (since IMS V7), with progressive improvements as Java
has evolved. Java support is a base, standard feature provided with IMS and
z/OS at no additional charge. So if you want to write Java, go write Java.
You don't even have to phone IBM. (The same is true of CICS Transaction
Server and z/OS itself.) Just crack open the documentation and go for it.
It's darn easy, too: just 4 APIs from what I gather. With CICS look for
"JCICS" in your CICS documentation, and for z/OS look for the "JZOS
Cookbook" (Web search will find it) to get started. All this stuff is
standard, base function available at no additional charge. You've already
got it.
Another is WebSphere Application Server for z/OS. The reason you should
consider WAS z/OS here very strongly (as opposed to WAS running elsewhere)
is that data-intensity you mentioned. You really want to try to avoid
taking trips over the wire for data access if you can avoid it. (Sometimes
you cannot avoid it, but you can certainly avoid it in this case.) Also,
financially you're very likely to do much better this way, at least in any
moderately responsible and competent cost analysis.
- - - - -
Timothy Sipples
IBM Consulting Enterprise Software Architect
Based in Tokyo, Serving IBM Japan / Asia-Pacific
E-Mail: timothy.sipp...@us.ibm.com
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