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MQSeries.net Forum Index » General IBM MQ Support » Sender channel Disconnect Interval

Sender channel Disconnect Interval

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TheDude

Posted: Tue May 06, 2003 12:27 pm Post subject: Sender channel Disconnect Interval

Apprentice

Joined: 21 Oct 2002
Posts: 31

Does anyone know of any problems associated with setting the DISCINT attribute on a sender channel to zero??

kevinf2349

Posted: Tue May 06, 2003 12:41 pm Post subject:

Grand Master

Joined: 28 Feb 2003
Posts: 1311
Location: USA

There are arguements for and against setting a channel to have a disconnect interval of 0.

As with most other features and settings for MQSeries, it really depends upon what the application requirements are.

If you need the messages to be transported within a short time frame, then setting the channels to never disconnect will eliminate the overhead of starting the channel via triggering. However, you potentially increase the risk of needing to take operator intervention if the channel fails.

Additionally if security (encryption) is important to you then you need to be aware that the encryption keys are negotiated at channel bind (ie Startup)....the longer the channel is active, theoretically the greater the risk that the encryption keys can be broken.

Personally I like to have my channels triggered and so I set a relatively short disconnect interval so that channels become INACTIVE. Remember also that an active channel will continue to be polled.

My own feeling is that if an application requires that the response time be outside of the tolerence of a channel start then it really shouldn't be using an asynchronous technology.

Just my 2 cents worth

Virtuoso

Posted: Thu Jun 12, 2003 2:41 am Post subject: How do you trigger The Sender Channel

Newbie

Joined: 12 Jun 2003
Posts: 3

Could you please telll me how a sender channel which is inactive can be triggered to start again ???
_________________
Virtuoso

mrlinux

Posted: Thu Jun 12, 2003 12:00 pm Post subject:

Grand Master

Joined: 14 Feb 2002
Posts: 1261
Location: Detroit,MI USA

you need to alt the xmitq definition

alt ql(QUEUE_NAME) initq(SYSTEM.DEFAULT.INITIATION.QUEUE) TRIGDATA(CHANNEL_NAME)

Depending on MQ Version and platform you need to make sure that the
channel initatior is running.
_________________
Jeff

IBM Certified Developer MQSeries
IBM Certified Specialist MQSeries
IBM Certified Solutions Expert MQSeries

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