To close the loop on this, we decided to drop <subunitname>-security as it is poorly defined, even in the original RFC 3805 text. I will have formal definitions for all 3D sub-units included in the next draft of the IPP 3D spec.
> On Jan 25, 2016, at 3:36 PM, Michael Sweet <msweet at apple.com> wrote:
>> [For discussion during today's WG concall]
>> All,
>> One of the decisions at the last 3D concall was to use collections for subunit status information. What follows is a general template for all of these attributes, which we will discuss before I apply it to the various subunit attributes in the current draft.
>> ....
>> "printer-<subunitname>-col (1setOf collection)"
>> This CONDITIONALLY REQUIRED Printer Status attribute provides the status of the <subunitname> sub-units that are managed by the Printer. Printers that support <subunitname> sub-units MUST support this attribute.
>>> "<subunitname>-info (text)"
>> This member attribute provides a human-readable description for the sub-unit.
>>> "<subunitname>-info-uri (uri)"
>> This member attribute provides a web page for the sub-unit.
>>> "<subunitname>-name (name)"
>> This member attribute provides a human-readable name for the sub-unit.
>>> "<subunitname>-make-and-model (text)"
>> This member attribute provides a human-readable make and model for the sub-unit.
>>> "<subunitname>-security (boolean)"
>> This member attribute indicates whether the sub-unit has some security associated with it.
>>> "<subunitname>-serial-number (text)"
>> This member attribute provides a human-readable serial number for the sub-unit.
>>> "<subunitname>-state (type1 enum)"
>> This member attribute provides the current state of the sub-unit. Values are:
>> '3' ('idle'): The sub-unit is available and either idle or in standby mode.
> '4' ('processing'): The sub-unit is available and either active or busy.
> '5' ('stopped'): The sub-unit is unavailable.
>> Additional information concerning the state can be found in the "printer-state-reasons" Printer Status attribute [RFC2911].
>>> "<subunitname>-version (text)"
>> This member attribute provides a human-readable version for the sub-unit.
>>> _________________________________________________________
> Michael Sweet, Senior Printing System Engineer
>
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Michael Sweet, Senior Printing System Engineer