Rewrite PORTAL URL

Hey ,
I have a Strange Issue here . Our BI Production Landscape Consists of PORTAL and BI- ABAP ( CI + 2 App ) .
The Hostname "bi.ril.com" is on DNS which POints to CI(ABAP) . There is a Web Dispatcher Configured on CI Which is Supposed to Route HTTP Requests to APP Servers for Load Balancing .
Now , as per the LINK http://help.sap.com/saphelp_nw04s/helpdata/en/5f/7a343cd46acc68e10000000a114084/frameset.htm ,
I have Performed the Mapping of URLs based on the SAP Logon Group and Request are getting ROuted to Application Servers.
The Issue now is , When a HTTP Request goes to an APP Server the URL Generated is Somewhat like biapp##.ril.com which is Not on DNS .
I can Put it on the DNS , but then the URL just wont be that Frindly . I am ready now the host these names on DNS .
The Problem is , I want the CLIENT BROWSER to Display the URL as " bi.ril.com " , even though Internally it should be calling an APP Server .
Is this EVEN Possible ???? I have Gone throught URL Rewriting , but then this feature only Rewrites the Prefixes and not the Entire URL .
Regards,
Ashish .A. Poojary
Edited by: Ashish Poojary on Mar 28, 2011 8:38 AM

Hi,
The Issue now is , When a HTTP Request goes to an APP Server the URL Generated is Somewhat like biapp##.ril.com which is Not on DNS
Do you speak of the URL generated from the web dispatcher to be sent to the app server ?
If yes, I don't get this result on my system and I don't understand how you can get this.
The URL sent to the appserver looks like http://appserver.domain.country/url
The URL seen from the browser looks like https://webdispatcher.domain.country/url
Regards,
Olivier

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