It is browser based or is it IdP based?
I am looking their official document, I could not find any details about session management. Is there anyone aware or session in SAML?
Technical Document: https://www.oasis-open.org/committees/download.php/11511/sstc-saml-tech-overview-2.0-draft-03.pdf
Executive Document: http://www.oasis-open.org/committees/download.php/11785/sstc-saml-exec-overview-2.0-draft-06.pdf