CDMI 2.0 Changes

Changes to the specification (1.1.1 to 2.0)

Specification Changes

• No longer rely on X-CDMI-SPECIFICATION-VERSION header, as per IETF guidelines
• Support for PATCH HTTP verb, in addition of PUT, for resource updates
• Use /cdmi/v2.0.0/ root URI in examples
• New format for query parameters in URIs
• Exports section re-written
• Updated versioning examples
• Removed audit and logging clauses (due to no vendor implementations)
• Bibliography section re-written
• Update RFC references
• HTTPS instead of HTTP in examples
• Updated references from CIFS to SMB
• Document formatting cleanup

Incorporated Extensions into Specification

• Encrypted Object extension
• Delegated Access Control extension
• JSON Transfer Encoding extension

Incorporated Extensions into Annex A

• Summary metadata for bandwidth
• Expiring access control entries
• Group storage system metadata
• Header ­based metadata
• Immediate query