Re: [IPP] Registration proposal for additional IPP Printer firmware related attributes[EXTERNAL]

["Kennedy, Smith (Wireless & IPP Standards) via ipp" <[e-mail]>]

It sounds like we have several different sets of use cases because different manufacturers have made differing choices. I'll see if I can articulate all of those from this thread in a draft registration document that I'll post before the F2F? Or should it just be slides, since there's been discussion of adding different sets of updates to System Service and INFRA?

Smith

/**
    Smith Kennedy
    HP Inc.
*/

On Jul 26, 2024, at 10:19 AM, Michael Sweet via ipp <[e-mail]> wrote:

CAUTION: External Email

So is this something we want to standardize in IPP INFRA?  And what will that look like?


On Jul 26, 2024, at 10:57 AM, Uli Wehner via ipp <[e-mail]<mailto:[e-mail]>> wrote:

Ira,
We are on the same page, our printers do not fetch the files, they are configured to know where to go to see if there is anything to do for them. The cloud service is then responsible for performing the tasks for that printer. This is a fully authenticated, encrypted process. Zero trust and everything. I just left out the details of our particular solution.
 Regards
Uli Wehner
ウリ・ヴェーナー
From: Ira McDonald <[e-mail]>
Sent: Friday, July 26, 2024 9:38 AM
To: Uli Wehner <[e-mail]>; Ira McDonald <[e-mail]>
Cc: ISTO-PWG Internet Printing Protocol workgroup discussion forum <[e-mail]>; Kennedy, Smith (Wireless & IPP Standards) <[e-mail]>
Subject: Re: [IPP] Registration proposal for additional IPP Printer firmware related attributes[EXTERNAL]
Hi Uli,
With IPP System Service in the Cloud, a Printer can be notified that firmware updates are available and safely fetch the updates.
Direct fetch from the manufacturer has all the security weaknesses that caused us to deprecate Print-URI.
Cheers,
- Ira
On Fri, Jul 26, 2024, 9:03 AM Uli Wehner <[e-mail]> wrote:
Smith,
With software moving to the cloud, we will not be able to push firmwares to printers directly anymore.
I know we will need to be able to have the printer reach up to the service using an agent on the device. We do this today, just not with IPP as the vehicle.
 Regards
Uli Wehner
ウリ・ヴェーナー
From: ipp <[e-mail]> On Behalf Of Kennedy, Smith (Wireless & IPP Standards) via ipp
Sent: Thursday, July 25, 2024 6:12 PM
To: Ira McDonald <[e-mail]>
Cc: Kennedy, Smith (Wireless & IPP Standards) <[e-mail]>; PWG IPP WG Reflector <[e-mail]>
Subject: Re: [IPP] Registration proposal for additional IPP Printer firmware related attributes[EXTERNAL]
Hi Ira,
Sorry for not replying sooner.
On Jul 24, 2024, at 7:29 AM, Ira McDonald <[e-mail]> wrote:
CAUTION: External Email
Hi Smith,
All of this functionality has been defined in IPP System Service all along.
Firmware or application resources can be created and then installed for one
Printer or the whole System.  Then either the single Printer or whole System
can be restarted to activate the new firmware or application software.
See sections 5.7, 6.1.1, 6.1.6, 6.2.4, 6.3.2, 6.3.13, and 6.3.17.
Unless I'm mistaken, these sections in System Service are useful if the client is managing the firmware update process directly by fetching the firmware update and pushing that update to the printer as a resource.
But if the Printer is capable of sending a firmware update query on its own to check availability and/or fetch and update itself, we don't seem to have any IPP attributes that can drive that. The "printer-firmware-update-version" and "printer-firmware-update-string-version" are intended to fill that gap. Mike suggested that we might define a new operation to cause the printer to fetch and update itself, and I think that is something we ought to investigate or at least discuss. This would compliment the existing facilities in System Service, and from a user experience and implementation perspective it would be easier for a Client to support this type of firmware update flow than the existing System Service supported process where it would need to download the firmware image / file to itself and then submit  it to the printer. I think the existing System Service flow is likely more desirable for larger / enterprise deployments where a fleet might be upgraded using a common firmware image.
The "printer-firmware-update-uri" would provide a link directly to a firmware update page either in the printer or the manufacturer's website.
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Michael Sweet

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