XACML Policy Locators using LDAP
LDAP Policy Locators  Even though storing the base64 encoded version of xml content as ldap attributes, many users may be in need of using a central ldap server for all their PDPs. In those situations, you may require the ldap policy locator.  As an alternative, you can define fixed policies as part of your file system where the PDP operates and keep missing attributes in the ldap. Look for XACML Attribute Locators using LDAP.