title: Single Sign Out principle in keycloak
body: <p>I am exploring keycloak for my project SSO solution, and I am trying the open-connect on this blog <a href="https://developers.redhat.com/blog/2017/05/25/easily-secure-your-spring-boot-applications-with-keycloak/" rel="nofollow noreferrer">https://developers.redhat.com/blog/2017/05/25/easily-secure-your-spring-boot-applications-with-keycloak/</a></p>
  
  <p>And I would like to as one question about Single Sign Out, I would like to know what’s the principle behind. Tried to search online document but I didn’t find any clue .For a while, I was thinking there is no elegant solution for Single Sign Out in oauth2 world.</p>