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Take this scenario. There is a server(say, A) at www.mysite.com .Now, there's a dynamic number of servers A knows about (knows the IP-adresses to).

The problem is, if a user arrives at http://www.mysite.com/B, we need to redirect him to the server that the URI B will map to( assume that there exists a mapping from such URLs to the list of known servers, and that 'B' is valid here). Is there a way of doing this without redirection? (First deployment will be n GAE, so this redirection is not possible). What I want is the browser showing http://www.mysite.com/B, but rendering content as delivered by the server running on B.

I think that this may be possible, as, multiple webservers are indeed used within the same domain today.

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migrated from programmers.stackexchange.com Aug 24 '11 at 15:29

This question came from our site for professional programmers interested in conceptual questions about software development.

Are you looking for an implementation? Or are you looking for a way to configure GAE to help you out? This sounds like a question for either Stack Overflow or Webmasters, to be honest. – Anna Lear Aug 18 '11 at 21:01
Yes, maybe. actually I was doing the coding part, and the network guy leaves. The question is about configuration, but I'm not really sure whether this will require additional server side logic other than plain server config. So decided to post here. – yati sagade Aug 18 '11 at 21:04
up vote 0 down vote accepted

Load Balancing and Clustering notes in part:

With a simple LOAD BALANCING scheme, you can split your traffic down by URL or subdirectory, so that (for example) all traffic for /course goes to one server, and all traffic for /horse goes to another, with the front end machine acting simply as a router, forwarding requests via mod_proxy (if it's running Apache httpd) or similar.

Or does this not cover the case you are describing?

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I accepted this as an answer as this was more (really speaking, many times more) elegant than what I had in mind (I am just the lazy programmer!!). Thank You JB King!!, Let me know what you think of rydyrect.appspot.com – yati sagade Aug 24 '11 at 18:45

You can achieve the desired behaviour by using a forward proxy. It has nothing to do with programming.

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