SAP NetWeaver
How to Set Up Single Sign-On Between an IBM WebSphere Portal and the SAP Enterprise Portal Using JAAS
This guide provides instructions for setting up a single sign-on (SSO) scenario using an IBM WebSphere Portal (WSP) as the leading portal accessing an SAP Enterprise Portal (SAP EP). After launching SAP EP from WSP, you can log on to SAP EP with the same user that is already logged on to the WSP.