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| marko.pitkanen |
 Posted: Mon Oct 19, 2015 3:23 am Post subject: Round robin algorithm for calling http endpoints from IIB? |
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Chevalier
Joined: 23 Jul 2008
Posts: 440
Location: Jamsa, Finland
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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 |
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| fjb_saper |
| Posted: Mon Oct 19, 2015 4:07 am Post subject: Re: Round robin algorithm for calling http endpoints from II |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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| 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 |
| Posted: Mon Oct 19, 2015 4:11 am Post subject: |
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Chevalier
Joined: 23 Jul 2008
Posts: 440
Location: Jamsa, Finland
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Thanks fjb_saper,
Not yet. That is one option. Any others? |
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| Vitor |
| Posted: Mon Oct 19, 2015 4:55 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| 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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Honesty is the best policy.
Insanity is the best defence. |
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| fjb_saper |
| Posted: Mon Oct 19, 2015 12:53 pm Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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| 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 |
| Posted: Wed Oct 28, 2015 7:08 am Post subject: |
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Chevalier
Joined: 23 Jul 2008
Posts: 440
Location: Jamsa, Finland
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Thanks,
I'll try to convince they to use http load balancer in front of the web service.
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Marko |
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| mqjeff |
| Posted: Wed Oct 28, 2015 7:15 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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| 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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