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| One way Communication CICS |
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| sandiksk |
 Posted: Tue Feb 10, 2009 7:27 am Post subject: One way Communication CICS |
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Centurion
Joined: 08 Jun 2005
Posts: 133
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Hi Guys,
I m not that familiar with mq on the mainframe and CICS. So have a simple question, We have a requirement where messages need to be sent one way. CICS -- > MQ(z\os V6) --> MQ (AIX)
Someone told me that everything on the mainframe is of UOW, that is MQ needs a reply back, So my question is can messages be sent one way without any reply back to the CICS or z\os MQ. I am pretty sure you should be able to send it one way if the CICS is written not to wait for Reply. Is that a right assumption?.
Thanks in advance for your suggestion. |
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| Vitor |
| Posted: Tue Feb 10, 2009 7:43 am Post subject: Re: One way Communication CICS |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| sandiksk wrote: |
Someone told me that everything on the mainframe is of UOW, that is MQ needs a reply back, |
Rubbish - you are confusing 2 concepts here. The UOW has nothing to do with request/reply, just if the message can be rolled back before it's sent. If you look up syncpointing in the documentation you'll find a better description than I can manage here. But there's no reason why you can't put a datagram in a UOW just like a request. There are a number of good reasons why you'd want to do just that.
What the "someone" was probably getting at is that unlike a distributed platform, a z/OS queue manager defaults to putting messages under syncpoint.
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Honesty is the best policy.
Insanity is the best defence. |
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| bruce2359 |
| Posted: Tue Feb 10, 2009 8:49 am Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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Yes, a CICS application can MQOPEN a queue and MQPUT messages on it.
If the CICS app doesn't need a reply from whatever app is MQGETting the message, then there's no need for the request-reply model.
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