External access to Portal and CRM B2B

Question

Hi,
We have the sap portal and also CRM Java ..we have deployed the CRM Business package on the portal and used the portal IView to call the CRM java application. What is the best way to expose both the portal and CRM java to the external users?
I know we can achieve this using sap webdisatcher, but there are certain limitation in sap webdispatcher when dealing with two separte host name..so please let me know how expose both portal and crm to the external users.
Thanks

Answer 1

First of all you need to have your network infrastructure in terms of Security Zones, SAP has a standard recommendation that I have always use when possible for growing your landscape and exposing your Solutions to either internal or external users:
http://help.sap.com/saphelp_nw70/helpdata/en/9d/44d7bc73ddce4f96f09de874350e78/content.htm
Depending on your security needs you can have 2 portals 1 external facing portal and one internal facing portal, or just 1 portal installed in the Inner DMZ , there is no formula is what your Architects prefer and there are  pros and cons in any scenario.
Now answering your question you do not need to expose both instances (CRM and Portal)  you only need to expose SAP Portal  because the  purpose of Portal is to provide a single point of access to your u201Cbackendu201D solutions in your case.   So Sap Web Dispatcher will be good choice or you can use a Hardware Load Balancing, if this is for external users then you need HA.
Hope this helps.
Juan Jose Alvarado