User-Level Direct Access Transport APIs (uDAPL)

• uDAPL-1.0
    - Lightweight APIs
    - Provides the minimal functionality to export RDMA transport performance capabilities
    - Establishes common terminology for VIA, IB and iWARP APIs
    - Unifies IB, VIA, and iWARP semantic differences
    - Time-to-market is paramount
  
• uDAPL-1.1
    - Errata for uDAPL-1.0
  
• uDAPL-1.2
    - Partial additions of iWARP and IB extension functionality: SRQ
    - Unification of IB and iWARP semantic
    - Errata for uDAPL-1.1
  
• uDAPL-2.0
    - iWARP and IB extensions semantic additions
    - High Availability
    - Errata for uDAPL 1.2
  

• uDAPL API Spec Version 2.0 (zip) was posted 1/5/2007
• DAPL 1.2 official header file (tgz file) was posted 9/15/2004
• uDAPL API Spec Version 1.2 (zip) was posted 7/15/2004
• The ratified version of the uDAPL API Spec (v1.1) was posted 4/30/2003.
• The ratified version of the uDAPL API Spec (v1.0) was posted 6/21/2002.