Table 34describes the details of the AttributeWriteMask ServerFacet. This Facet defines the capability to update characteristics of individual Nodesin the AddressSpaceby allowing writing to Node Attributes. It requires support for authenticating user access as well as providing information related to access rights in the AddressSpaceand actually restricting the access rights as described.

Table 34– Attribute WriteMask Server Facet

Group	Conformance Unit / ProfileTitle	Optional
Profile	Security User Access Control Base	False
Address Space Model	Address Space UserWriteMask	False
Address Space Model	Address Space UserWriteMask Multilevel	True
Address Space Model	Address Space WriteMask	False