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blueman
PostPosted: Wed Aug 11, 2010 2:24 am    Post subject: Message broker clustered environment - Webservices Reply with quote

Novice

Joined: 23 May 2010
Posts: 15

Hi,

I have a clustered environment with 2 brokers, I have webservices hosted on both the broker. what are the possible and best ways to achieve load balancing and to make use of both the brokers.

Thanks
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mqjeff
PostPosted: Wed Aug 11, 2010 2:33 am    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447

http://www-01.ibm.com/support/docview.wss?uid=swg21420032
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elvis_gn
PostPosted: Wed Aug 11, 2010 4:03 am    Post subject: Reply with quote

Padawan

Joined: 08 Oct 2004
Posts: 1905
Location: Dubai

Hi,
mqjeff wrote:
http://www-01.ibm.com/support/docview.wss?uid=swg21420032
I thought the question was load balancing the WebService requests between *two* brokers, which would require an NLB...

Regards.
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mqjeff
PostPosted: Wed Aug 11, 2010 4:39 am    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447

elvis_gn wrote:
Hi,
mqjeff wrote:
http://www-01.ibm.com/support/docview.wss?uid=swg21420032
I thought the question was load balancing the WebService requests between *two* brokers, which would require an NLB...


No. The proxy servlet mentioned on that page does just fine with multiple brokers, IIRC.
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elvis_gn
PostPosted: Wed Aug 11, 2010 5:02 am    Post subject: Reply with quote

Padawan

Joined: 08 Oct 2004
Posts: 1905
Location: Dubai

Hi,
mqjeff wrote:
elvis_gn wrote:
Hi,
mqjeff wrote:
http://www-01.ibm.com/support/docview.wss?uid=swg21420032
I thought the question was load balancing the WebService requests between *two* brokers, which would require an NLB...


No. The proxy servlet mentioned on that page does just fine with multiple brokers, IIRC.
The servlet would have to go on an Application Server, which is then nothing but a Software Load Balancer basically...

If that being the case, I'd suggest put a Hardware load balancer like that from Cisco or preferably WebSphere DataPower (you could move the security also onto this layer and it does front & back end balancing). The hassles of configuration and maintenance are lesser and the performance is much better.

It's only my opinion from what I see commonly positioned for customers.

Regards.
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blueman
PostPosted: Tue Aug 17, 2010 12:25 am    Post subject: Reply with quote

Novice

Joined: 23 May 2010
Posts: 15

Thanks Guys,

I have got some more suggestions from various sources.

To use HTTP Proxy Servlet which comes with Message Broker. In this case you need an external application server. It could be WebSphere Application Server, Tomcat or any of the third party products.

The documentation for the Broker V6.1 is here: http://publib.boulder.ibm.com/infocenter/wmbhelp/v6r1m0/topic/com.ibm.etools.mft.doc/ac69300_.htm

Also to use WebSphere Network Dispatcher - also known as WebSphere Edge Server. This is a component which is usually used with WebSphere Application Server for load balancing, but it actually can be used for any kind of HTTP traffic.

I found an interesting article on the developerWorks: http://www.ibm.com/developerworks/websphere/library/techarticles/0608_braithwaite/0608_braithwaite.html


Thanks again for youe inputs.
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