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| Questions Regarding IBM MQSeries and IBM WBIMB V5 |
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| satyasheel15 |
 Posted: Mon Sep 06, 2004 4:48 am Post subject: Questions Regarding IBM MQSeries and IBM WBIMB V5 |
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Voyager
Joined: 04 Mar 2003
Posts: 86
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I have some queries regarding MQSeries and IBM WBIMB 5. Hope you can help me out in that.
Query 1:
On what parameter should a designer of message flows decides how many instances of message flows should be present and how to create that multiple instances.
Query 2:
What security considerations should be considered while designing the multiple executiongroups, broker, configmgr etc. ?
Query 3:
For example, If a large organisation is using a multiple broker that is controlled by a single configmgr, how things are managed if configmgr goes down.
These are all design related questions and I request you to please help me out. Also suggest some site from where I can get the information on these points. |
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| JT |
| Posted: Mon Sep 06, 2004 10:41 am Post subject: |
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Padawan
Joined: 27 Mar 2003
Posts: 1564
Location: Hartford, CT.
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| Quote: |
| On what parameter should a designer of message flows decides how many instances of message flows should be present...... |
Typically this decision is made jointly with our Websphere Operations Support team and the message flow designer/application architect. A few of the "parameters" they take into consideration are: message volume, throughput/response time expectations, message characteristics (i.e. message size, persistency), business priority (i.e. inquiry vs premium-bearing transaction), and hardware configuration (i.e. dedicated storage, CPU, competing processes).
IBM's analysis of this topic can be found in the section on Parallel Processing Options in one of the performance report supportpacs, i.e. IP73.
| Quote: |
| ...and how to create that multiple instances. |
Within the WBIMB toolkit, right-click on the broker archive (.bar file), select the Configure tab and enter the desired number of additional instances and save.
| Quote: |
| What security considerations should be considered while designing the multiple executiongroups, broker, configmgr etc. ? |
Take a look at this posting: http://www.mqseries.net/phpBB2/viewtopic.php?t=16735 then I would recommend that you review the Configuration, Administration and Security manual for details, specifically the chapter on Security requirements for administrative tasks
| Quote: |
| If a large organisation is using a multiple broker that is controlled by a single configmgr, how things are managed if configmgr goes down |
I'm not exactly sure what you mean by "how things are managed"? Obviously when the configmgr is down so is the ability to deploy code, however, the broker runtime is still available.
| Quote: |
| Also suggest some site from where I can get the information on these points. |
Click on the documentation button at the top of this page |
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| kirani |
| Posted: Mon Sep 06, 2004 11:11 am Post subject: |
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Jedi Knight
Joined: 05 Sep 2001
Posts: 3779
Location: Torrance, CA, USA
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| satyasheel15 wrote: |
Query 1:
On what parameter should a designer of message flows decides how many instances of message flows should be present and how to create that multiple instances.
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The most important point in making this decision is the design of your message flow. For instance if you are processing a group of messages in sequence where you do "special processing" upon the receipt of trailer record, such as accumulation of count and amounts. In this case you don't want to set multiple instance of message flows. As you don't know which thread/instance finished last.
On the other hand if you have a message flow where the input messages don't have any dependancy across messages then you can set any number of instances for this message flow to get higher throughput.
You might want to look at this article,
Determining How Many Copies of a Message Flow Should Run Within WebSphere Business Integration Message Broker V5
| satyasheel15 wrote: |
Query 2:
What security considerations should be considered while designing the multiple executiongroups, broker, configmgr etc. ?
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Ideally you should have one configuration manager per broker domain. Developers can have full access to dev region, byt you might want to give limited access to them in QA and Production environments. Within production environment, depending on how you have deployed message flows, you might want to restrict access.
You should start reading Configuration Administration and Security manual.
| satyasheel15 wrote: |
Query 3:
For example, If a large organisation is using a multiple broker that is controlled by a single configmgr, how things are managed if configmgr goes down.
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You should have a "backup configuration manager" (fail-over type of configuration) in production.
_________________
Kiran
IBM Cert. Solution Designer & System Administrator - WBIMB V5
IBM Cert. Solutions Expert - WMQI
IBM Cert. Specialist - WMQI, MQSeries
IBM Cert. Developer - MQSeries
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