UPDATE: 26.02.2015: There is a new matrix available – so I just updated this information
many customers are asking which SSO technology is supported by which SAP NetWeaver release related to SAP NetWeaver Single Sign-On.
Our product team created now a very nice overview. Please check always the newest version at SAP Service Portal.
http://service.sap.com/pam -> SAP NetWeaver SIngle Sign-On -> PDF presentation