STS provides a simple WS-Trust based interface to the multitude of identity and access management solutions. Whether you are transitioning between solutions, merging identity systems between combining companies, or intending to replace your existing identity and access management system with STS, STS will make the transition easy for you. Whether it is simple HTTP authorization, or more complex authorizations like SSL Mutual Authentication, SAML, WS-Security, WS-Trust or one of may other forms of user identifcation, STS can make it easy to deal with in one convenient location.