Product : AppScale, Eucalyptus/Current, 4.4.5
Feature : SSO / Integration, AAA, Security & Compliance
Content Owner:  Bhagyashri (Shri) Bhagvat
Summary
Support for LDAP/Active Directory integration (via periodic synchronizations) is supported.
Details
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#iam-guide/integrating_ldap.html