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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » Round robin algorithm for calling http endpoints from IIB?

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marko.pitkanen
PostPosted: Mon Oct 19, 2015 3:23 am    Post subject: Round robin algorithm for calling http endpoints from IIB? Reply with quote

Chevalier

Joined: 23 Jul 2008
Posts: 440
Location: Jamsa, Finland

Hi,

I need your advice what are then options to implement round robin algorithm for calling http endpoints from IIB?

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fjb_saper
PostPosted: Mon Oct 19, 2015 4:07 am    Post subject: Re: Round robin algorithm for calling http endpoints from II Reply with quote

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY

marko.pitkanen wrote:
Hi,

I need your advice what are then options to implement round robin algorithm for calling http endpoints from IIB?

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Marko

Have you tried putting a network device in between, and calling that from IIB?
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marko.pitkanen
PostPosted: Mon Oct 19, 2015 4:11 am    Post subject: Reply with quote

Chevalier

Joined: 23 Jul 2008
Posts: 440
Location: Jamsa, Finland

Thanks fjb_saper,

Not yet. That is one option. Any others?
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Vitor
PostPosted: Mon Oct 19, 2015 4:55 am    Post subject: Reply with quote

Grand High Poobah

Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA

marko.pitkanen wrote:
Not yet. That is one option. Any others?


Well you could store a list of possible IP addresses in a database or similar, query that and use it to programmatically alter the URL prior to calling it.

Or you could use a network device like the rest of us.

Avoids problems when a new end point is added, one of the end points moves to a different server, the DNS names are altered because the network people got bored last Friday, etc, etc, etc...
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fjb_saper
PostPosted: Mon Oct 19, 2015 12:53 pm    Post subject: Reply with quote

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY

Vitor wrote:
marko.pitkanen wrote:
Not yet. That is one option. Any others?


Well you could store a list of possible IP addresses in a database or similar, query that and use it to programmatically alter the URL prior to calling it.

Or you could use a network device like the rest of us.

Avoids problems when a new end point is added, one of the end points moves to a different server, the DNS names are altered because the network people got bored last Friday, etc, etc, etc...

At least when you use a network device and something like what Vitor is alluding to changes, guess what? You get to blame it on the network team for not having planned / done their job as expected...
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marko.pitkanen
PostPosted: Wed Oct 28, 2015 7:08 am    Post subject: Reply with quote

Chevalier

Joined: 23 Jul 2008
Posts: 440
Location: Jamsa, Finland

Thanks,

I'll try to convince they to use http load balancer in front of the web service.

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mqjeff
PostPosted: Wed Oct 28, 2015 7:15 am    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447

marko.pitkanen wrote:
Thanks,

I'll try to convince they to use http load balancer in front of the web service.

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Marko


You can use apache or IHS (IBM HTTP Server) to act as a load balancer. It can be configured by exporting the config from the broker/eg using tools that come with IIB.
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