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| Several clients on the same channel ? |
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| lejal |
 Posted: Thu Apr 25, 2002 1:55 am Post subject: |
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Novice
Joined: 16 Apr 2002
Posts: 13
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Hi, I would like to know if it is possible for several clients using the same channel (several instances) to connect together (at the same moment) to a server without conflicts?
Thanks! |
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| vedbhat |
| Posted: Thu Apr 25, 2002 2:05 am Post subject: |
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Disciple
Joined: 19 Mar 2002
Posts: 186
Location: Singapore
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Hi,
I guess it is possible but think there is a limitation on How many clients can connect to the server at a single point of time depending on the protocol and OS.
Regards
Ved
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| oz1ccg |
| Posted: Thu Apr 25, 2002 2:10 am Post subject: |
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Yatiri
Joined: 10 Feb 2002
Posts: 628
Location: Denmark
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No problems,
Each client-connection gets each own distinct connection, but make shure they do the disconnect, if not they will occupy a connection until their TCP/IP server is stopped... 
I've got an application that in case of a MQRC <> 0 just did a new MQCONN, MQOPEN, this logic killed my Queuemanager .....
I hope it might help you, by the way you have to deal with the security issue....
_________________
Regards, Jørgen
Home of BlockIP2, the last free MQ Security exit ver. 3.00
Cert. on WMQ, WBIMB, SWIFT. |
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| lejal |
| Posted: Thu Apr 25, 2002 4:14 am Post subject: |
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Novice
Joined: 16 Apr 2002
Posts: 13
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Thank you for your help. I've got another question. In that configuration, what happens if a problem occurs on the channel (on the server or on one of its instances) during a connection of several clients? Does the connection aborts for all the clients, or only on the instance concerned by the problem?
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| oz1ccg |
| Posted: Thu Apr 25, 2002 4:23 am Post subject: |
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Yatiri
Joined: 10 Feb 2002
Posts: 628
Location: Denmark
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If you mean that one connection can cause another connection to fail, should not happen if IBM' code is waterproof.... 
It you mean to use the STOP CHANNEL(DoDo..), then it's a clear yes, all channels will be stopped, I've (and some other HardCores MQ'ers) have requested some functionality to abandon a Client-connection based on the Clients-connectioname or another ID, not only on then channelname which is to broad....
It seems to that it's in version 5.3 :
<snip>
If you have a receiver or SVRCONN channel definition, there might be many channel instances using that single definition. A new STOP CHANNEL option allows you to target independent instances and not stop all of the identically-named channels. The STOP can be targeted at either the partner machine (CONNAME) or the partner queue manager (QMNAME).
</snip>
that part was taken from :
http://www-3.ibm.com/common/ssi/OIAccess?DocURL=http://d03xhttpcl001g.boulder.ibm.com/common/ssi/rep_ca/4/897/ENUS202-074/index.html&InfoType=AN&InfoSubType=CA
I don't hope it's confusing....  )
_________________
Best regards
Jørgen Pedersen
IBM Certified MQSeries Specialist
IBM Certified MQSeries Solutions Expert
[ This Message was edited by: oz1ccg on 2002-04-25 05:24 ] |
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