Smith,
> On Dec 1, 2020, at 8:59 AM, Kennedy, Smith (Wireless & IPP Standards) <smith.kennedy at hp.com> wrote:
>> Hi Mike,
>> No objections to adding this but a few thoughts:
>> - PII concerns?
Not directly - this identifies the printer, not an individual. If the value was propagated outside of IPP with other personal information it might be used to identify someone ("Mike" printed to a printer with serial number 12345678, it must be Mike Sweet and not Mike Jones). But this is purely informational from the Printer to the Client, for maintenance/support purposes.
> - Overlap with the key/value pairs provided by "printer-device-id" - the "SN" key isn't standardized but is out there...
Last time I checked (but I no longer have a copy...) IEEE-1284 defines SERIALNUMBER (official abbreviation SN, also SER and SERN in the wild) to hold this. But "printer-device-id" isn't something we want in the long term (only needed for drivers) and implementation of the serial number in the device ID is spotty at best...
________________________
Michael Sweet
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