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Apache Tomcat clustering based on client's location

 
Jatin Sutaria
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Hello,

I have a cluster of 2 servers running on different JVM's in different geographical locations - US and IN.

My requirement is getting an ability to dispatch requests to specific servers based on client's location - If some one in US hits the cluster URL, he should be dispatched to the server in US.

W.r.t this I have following queries -

1. Do we have an ability to do load balancing based on clien't i/p in Apache Tomcat? If yes, would appreciate if I get some pointers.

2. Secondly, if i can't do the former can I redirect client requests from server 1 - US to server 2 - IN before I hit any business logic in any of the servers. If that is possible I can have a servlet in front that decides where to delegate requests to based on client i/p and then do the redirection?

Thanks,
JS
 
Rob Spoor
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Do you need load balancing for this? Because as I see it, this isn't really load balancing. It's just sharing the same URL for two different servers. Perhaps you can do something on a DNS level instead; for US users the DNS resolves the host name to the US server, for IN users the DNs resolves the host name to the IN server.
 
Jatin Sutaria
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Thanks Rob,

I guess I could do this if this is my only requirement. There are other use cases that may require clustering capabilities. I am not too sure if I can use the DNS level filtering for specific use cases ?. If that is the case, keeping clustering in mind, can we do something to achieve the goal?

Regards,
JS

 
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