Redirect request to different pools and rewrite the URL

I understand that you are trying to get the traffic to a different pool, but I was asking whether the new pool servers require a different path in order to serve up the same content. For example, if "http://oldsite.com/communities" translates to "http://newsite.com/differentcommunity", then you should do the following:

when HTTP_REQUEST {
    if { [HTTP::uri] eq "/communities" }{
        HTTP::path "/differentcommunity"
        pool pool_b
    }
    else {
        pool pool_a
    }
}

My guess is that the new webserver is in fact redirecting the traffic to it's URL since it does not answer to the same PATH...does that make sense?