Constraint

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Identifier Title / Description Value Domain Card Condition Mapping specific notes Guidelines Example
RSSCST
[DMF/Core]
Resource Security Constraint
This element provides a means to express a set of security constraints applicable to the resource
Security Constraint 0..*   There may be many instances of the resourceConstraints property. The order of these instances is not fixed. If the classification used is a national classification, ISO 3-letter code should be used for MDSCST.system  MDSCST.level = unclassified  
RSREL
[DMF/Defence]
Resource Releasability
This element provides a means to express a set of releasability information applicable to the resource.
Releasability 0..*   To be compatible with NATO requirements, the String value should be an ISO 3-letter code. GBR,FRA,DEU  
RSUSE
[DMF/Core]
Resource Use Limitation
This element provides a means to express general use limitations (limitations not implied by security or legal constraints) of the resource.
Free Text 0..*   Standardized phrases could be considered based on known products and/or output. Defence purposes only
RSLCST
[DMF/Core]
Resource Legal Constraint
This element provides a means to express a set of legal constraints applicable to the resource.
Legal Constraint 0..*     restricted 


DMF/Core DMF/Core defines the minimum set of metadata elements to be implemented by any metadata catalogue. This set satisfies the discovery use case.
DMF/Common DMF/Common is an additional set of metadata elements for a more complete description of any type of resource supported by DMF. It extends DMF/Core and covers discovery and basic evaluation use cases.
DMF/Defence DMF/Defence extends DMF/Core or DMF/Common for military oriented needs including NATO needs (extensions defined in NGMP, particularly security). It is needed to handle metadata to be exchanged with NATO in conformance with NGMP. DMF/Defence can be implemented with DMF/Core and possibly any other metadata class.