Table 25describes the details of the Core 2017 ServerFacet. This Facet defines the core functionality required for any UA Serverimplementation. The core functionality includes the ability to discover endpoints, establish secure communication channels, create Sessions, browse the AddressSpaceand read and/or write to Attributesof Nodes. The key requirements are: support for a single Session, support for the Serverand ServerCapabilities Object, all mandatory Attributesfor Nodesin the AddressSpace, and authentication with UserName and Password. For broad applicability, it is recommended that Serverssupport multiple transport and security Profiles. This Facet supersedes the “Core ServerFacet”.
Table 25– Core 2017 Server Facet
Group |
Conformance Unit / ProfileTitle |
Optional |
SecurityPolicy – None |
False |
|
User Token – User Name Password ServerFacet |
False |
|
Address Space Model |
Address Space Atomicity |
False |
Address Space Model |
Address Space Base |
False |
Address Space Model |
Address Space Full Array Only |
False |
AttributeRead |
False |
|
AttributeWrite Index |
True |
|
AttributeWrite Values |
True |
|
Base Information |
Base Info Core Structure |
False |
Base Information |
Base Info Estimated Return Time |
True |
Base Information |
Base Info OptionSet |
True |
Base Information |
Base Info Placeholder Modelling Rules |
True |
Base Information |
Base Info Selection List |
True |
Base Information |
Base Info ServerCapabilities |
True |
Base Information |
Base Info ValueAsText |
True |
False |
||
DiscoveryGet Endpoints |
False |
|
Security |
Security Administration |
True |
Security |
Security Role ServerAuthorization |
True |
SessionBase |
False |
|
False |
||
SessionMinimum 1 |
False |
|
View Services |
View Basic |
False |
View Services |
View Minimum Continuation Point 01 |
False |
View Services |
View RegisterNodes |
False |
View Services |
View TranslateBrowsePath |
False |