ISO/IEC 25012
Availability
The degree to which data has attributes that enable it to be retrieved by authorized users and/or applications in a specific context of use.
Portability
The degree to which data has attributes that enable it to be installed, replaced or moved from one system to another preserving the existing quality in a specific context of use.
Recoverability
The degree to which data has attributes that enable it to maintain and preserve a specified level of operations and quality, even in the event of failure, in a specific context of use.