Single sign-on allows a user to enter an id and password once, and thereafter be able to step between various applications without being asked to re-authenticate. This new tutorial shows you how to implement a single sign-on (SSO) solution using Tivoli Access Manager (TAM) WebSEAL 4.1 and the Security Assertion Markup Language (SAML) 1.0 open specification. Here's the free Tivoli Access Manager download.