[security-services] Is this profile part of SAML2 ?

Anyone knows about this profile ? What is the deal with it ?
It is not listed under the SAML2 part of the sstc page ?

      SAML x.509 authenticatoin-based Attribute Sharing Profile

http://www.oasis-open.org/committees/download.php/11323/sstc-saml-x509-authn-based-attribute-protocol-profile-2.0-draft-02.pdf


Thanks in advance for any hint ?


Adam