Paul,
Yes, absolutely it ignores it, just as it will ignore any other attribute it doesn't care about.
An IPP Everywhere client looks at the document-format-supported, media-xxx, and pwg-raster-document-xxx attributes to know what to send, *not* printer-device-id.
> On Apr 17, 2018, at 9:44 AM, Paul Tykodi <ptykodi at tykodi.com> wrote:
>> Hi Ira,
>> If we remove the 1284 device ID requirements from IPP Everywhere 1.1 and subsequently an IPP Everywhere 1.1 conforming client queries an IPP Everywhere 1.0 conforming device, which returns a 1284 device ID, should the client just ignore the 1284 device ID response?
>> Thanks.
>> Best Regards,
>> /Paul
>> Sent from my iPhone
>> On Apr 17, 2018, at 9:34 AM, Ira McDonald <blueroofmusic at gmail.com <mailto:blueroofmusic at gmail.com>> wrote:
>>> Hi Paul,
>>>> As Mike pointed out, using IEEE 1284 Device ID to do PDL-stream tweaks in IPP Everywhere was
>> never a legitimate implementation. Vendors who honored IEEE 1284 Device ID info over the much
>> more authoritative IPP Printer status attributes have broken implementations anyway.
>>>> I agree with Mike - delete all mention of IEEE 1284 Device ID from IPP Everywhere (with which it
>> is incompatible).
>>>> Cheers,
>> - Ira
>>>>>>>> Ira McDonald (Musician / Software Architect)
>> Co-Chair - TCG Trusted Mobility Solutions WG
>> Chair - Linux Foundation Open Printing WG
>> Secretary - IEEE-ISTO Printer Working Group
>> Co-Chair - IEEE-ISTO PWG Internet Printing Protocol WG
>> IETF Designated Expert - IPP & Printer MIB
>> Blue Roof Music / High North Inc
>>http://sites.google.com/site/blueroofmusic <http://sites.google.com/site/blueroofmusic>
>>http://sites.google.com/site/highnorthinc <http://sites.google.com/site/highnorthinc>
>> mailto: blueroofmusic at gmail.com <mailto:blueroofmusic at gmail.com>
>> Jan-April: 579 Park Place Saline, MI 48176 734-944-0094
>> May-Dec: PO Box 221 Grand Marais, MI 49839 906-494-2434
>>>>>> On Tue, Apr 17, 2018 at 8:17 AM, Paul Tykodi <ptykodi at tykodi.com <mailto:ptykodi at tykodi.com>> wrote:
>> Hi Ira,
>>>> My thought is that some vendor developed IPP Everywhere implementations may tweak PDF or JPEG processing on the client (i.e. sender) side for certain 1284 device ID’s.
>>>> If we make retiring them a two step process, we probably would give any developers that have done this time to adjust their code.
>>>> I am Ok with removing them from IPP Everywhere but am just asking about best way to implement change so that developers have time to react.
>>>> Best Regards,
>>>> /Paul
>>>> Sent from my iPhone
>>>> On Apr 17, 2018, at 6:35 AM, Ira McDonald <blueroofmusic at gmail.com <mailto:blueroofmusic at gmail.com>> wrote:
>>>>> Hi,
>>>>>> Paul - you can't submit a 1284 Device ID as a command in IPP - it's a declarative
>>> property only.
>>>>>> Mike and Smith - certainly we should drop 1284 Device ID from IPP Everywhere,
>>> which is about driverless printing.
>>>>>> Cheers,
>>> - Ira
>>>>>>>>> Ira McDonald (Musician / Software Architect)
>>> Co-Chair - TCG Trusted Mobility Solutions WG
>>> Chair - Linux Foundation Open Printing WG
>>> Secretary - IEEE-ISTO Printer Working Group
>>> Co-Chair - IEEE-ISTO PWG Internet Printing Protocol WG
>>> IETF Designated Expert - IPP & Printer MIB
>>> Blue Roof Music / High North Inc
>>>http://sites.google.com/site/blueroofmusic <http://sites.google.com/site/blueroofmusic>
>>>http://sites.google.com/site/highnorthinc <http://sites.google.com/site/highnorthinc>
>>> mailto: blueroofmusic at gmail.com <mailto:blueroofmusic at gmail.com>
>>> Jan-April: 579 Park Place <https://maps.google.com/?q=579+Park+Place+Saline,+MI+48176+734&entry=gmail&source=g> Saline, MI <https://maps.google.com/?q=579+Park+Place+Saline,+MI+48176+734&entry=gmail&source=g> 48176 <https://maps.google.com/?q=579+Park+Place+Saline,+MI+48176+734&entry=gmail&source=g> 734 <https://maps.google.com/?q=579+Park+Place+Saline,+MI+48176+734&entry=gmail&source=g>-944-0094
>>> May-Dec: PO Box 221 Grand Marais, MI 49839 906-494-2434
>>>>>>>>> On Tue, Apr 17, 2018 at 5:14 AM, Paul Tykodi <ptykodi at tykodi.com <mailto:ptykodi at tykodi.com>> wrote:
>>> Hi Mike,
>>>>>>>>>>>> Where I believe some vendors use them to send pre and post job processing device specific commands, I don’t believe we should fully retire support for the 1284 device ID’s at this time.
>>>>>>>>>>>> Are you planning to make them an OPTIONAL requirement?
>>>>>>>>>>>> Thanks.
>>>>>>>>>>>> Best Regards,
>>>>>>>>>>>> /Paul
>>>>>> --
>>>>>> Paul Tykodi
>>> Principal Consultant
>>> TCS - Tykodi Consulting Services LLC
>>>>>> Tel/Fax: 603-343-1820
>>> Mobile: 603-866-0712
>>> E-mail: ptykodi at tykodi.com <mailto:ptykodi at tykodi.com>
>>> WWW: http://www.tykodi.com <http://www.tykodi.com/>
>>>>>>>>> This e-mail reply and any attachments are confidential and may be privileged.
>>>>>> If you are not the intended recipient, please notify Tykodi Consulting Services LLC
>>>>>> immediately by replying to this message and destroying all copies of this message
>>>>>> and any attachments. Thank you
>>>>>>>>>>>> From: ipp <ipp-bounces at pwg.org <mailto:ipp-bounces at pwg.org>> On Behalf Of Kennedy, Smith (Wireless & Standards Architec)
>>> Sent: Monday, April 16, 2018 10:38 PM
>>> To: Michael Sweet <msweet at apple.com <mailto:msweet at apple.com>>
>>> Cc: PWG IPP WG Reflector <ipp at pwg.org <mailto:ipp at pwg.org>>
>>> Subject: Re: [IPP] RFC: Drop 1284 device ID requirements from IPP Everywhere 1.1
>>>>>>>>>>>> I approve and second this!
>>>>>>>>>>>> Smith
>>>>>> /**
>>> Smith Kennedy
>>> Wireless & Standards Architect - IPG-PPS
>>> Standards - IEEE ISTO PWG / Bluetooth SIG / Wi-Fi Alliance / NFC Forum / USB-IF
>>> Chair, IEEE ISTO Printer Working Group
>>> HP Inc.
>>> */
>>>>>>>>>>>>>>>>>> On Apr 16, 2018, at 7:46 PM, Michael Sweet <msweet at apple.com <mailto:msweet at apple.com>> wrote:
>>>>>>>>>>>> All,
>>>>>> As 1284 device IDs are only needed for printer driver selection, I'd like remove all of the 1284 device ID requirements from IPP Everywhere 1.1.
>>>>>> Thoughts?
>>>>>> _________________________________________________________
>>> Michael Sweet, Senior Printing System Engineer
>>>>>> _______________________________________________
>>> ipp mailing list
>>>ipp at pwg.org <mailto:ipp at pwg.org>
>>>https://www.pwg.org/mailman/listinfo/ipp <https://www.pwg.org/mailman/listinfo/ipp>
>>>>>>>>>>>> _______________________________________________
>>> ipp mailing list
>>>ipp at pwg.org <mailto:ipp at pwg.org>
>>>https://www.pwg.org/mailman/listinfo/ipp <https://www.pwg.org/mailman/listinfo/ipp>
>>>>>>>>
_________________________________________________________
Michael Sweet, Senior Printing System Engineer
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