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'''ISO/IEC 17826''' ''Information technology — Cloud Data Management Interface (CDMI) Version 2.0.0'' is an international standard<ref>{{Cite web|url=https://www.iso.org/standard/83451.html|title=ISO/IEC 17826:2022|website=ISO|date=17 September 2024}}</ref> that specifies a protocol for self-provisioning, administering and managing access to data stored in [[cloud storage]], [[object storage]], [[storage area network]] and [[network attached storage]] systems. The CDMI standard is developed and maintained by the [[Storage Networking Industry Association]],<ref>{{cite web|title=Cloud Data Management Interface|url=http://www.snia.org/cdmi|publisher=SNIA|accessdate=26 June 2011}}</ref>
CDMI defines new resource representations<ref>{{cite web|title=Cloud Data Management Interface (CDMI) Media Types|url=https://datatracker.ietf.org/doc/html/rfc6208|publisher=IETF|accessdate=17 September 2024}}</ref> to enable standardized management of any [[URI]]-accessible data, and defines [[REST]]ful [[HTTP]] operations using these representations to discover the capabilities of the storage system, discover stored data, access and update management metadata, specify data storage protocols (such as [[iSCSI]] and [[Network File System (protocol)|NFS]]) through which the stored data is accessed, and provide cross-system and cross-cloud import and export in order to enable [[data portability]].
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Management functions enabled by CDMI include managing data ownership, identity mapping, access controls, user-specified metadata, and to declaratively specify desired data protection, [[data retention]], constraints on geographic placement, desired [[quality of service]], data versioning and security requirements.
CDMI also defines utility services to facilitate data management, such the ability to query data matching specific criteria, and includes extensions<ref>{{cite web|title=Draft CDMI Extensions and Profiles|url=https://www.snia.org/tech_activities/publicreview/cdmi|publisher=SNIA|accessdate=17 September 2024}}</ref> to perform bulk updates using CDMI Jobs.<ref>{{cite web|title=CDMI Jobs Extension Version 2.0|url=https://www.snia.org/sites/default/files/technical-work/cdmi/draft/SNIA-CDMI-Jobs-Extension-2.0-DRAFT.pdf|publisher=SNIA|accessdate=17 September 2024}}</ref>
==Capabilities==
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==Compliance==
Both retention intervals and retention holds are supported by CDMI. A retention interval consists of a start time and a retention period. During this time interval, objects are preserved as immutable and may not be deleted. A retention hold is usually placed on an object because of judicial action and has the same effect: objects may not be changed nor deleted until all holds placed on them are removed.
==Billing==
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