Hello
You can use SAP Single Sign-on 2.0 solution by SAP to integrate all your systems with SSO. The solution contains all what is required for configuring SSO in SAP ABAP and Java Systems. To know more, you may refer:
1. SAP NetWeaver Single Sign-On 2.0 – SAP Help Portal Page
2. Implementing SAP NetWeaver Single Sign-On 2.0 Based on Kerberos Tokens 1/4 - YouTube
3.Implementing SAP NetWeaver Single Sign-On 2.0 Based on Kerberos Tokens 2/4 - YouTube
4. Implementing SAP NetWeaver Single Sign-On 2.0 Based on Kerberos Tokens 3/4 - YouTube
5. Implementing SAP NetWeaver Single Sign-On 2.0 Based on Kerberos Tokens 4/4 - YouTube
You will have to buy license for SAP Single Sign-on 2.0.
Regards,
Tapan