All,
I realize that my questions are perhaps tangential to the primary purpose of the IPP Firmware Update Extensions document, but the allusion to firmware as a resource handled by the IPP System Service under Directed Firmware Update (Section 4) led me to revisit that document, and I would appreciate someone clarifying a few points.
1. Firmware Update Extensionin the Directed Firmware Update discussion states “If the Output Device implements the IPP System Service [PWG 5100.22], then it can receive the Firmware Update from the Management Device”
*
My understanding is that the System Service is more akin to the Management Device in Figure 1 than a printer, and is intended to support multiple printers.
* The operations applicable to firmware download (Create-Resource, Send-Resource-Data, and Install-Resource) are. I believe, System Service but not Printer operations.
* Would it be valid to implement some subset of the System Service capability in an individual printer?
2.
If one did implement a System Service (which seems to me to be a very useful capability), and created, downloaded, and installed a resource in the System Service, how is this resource transferred to individual printers?
3. And finally, the System Service absorbed much of the functionality of the previously defined Resource Service. I was of the impression that proprietary schemes were typically used for downloading resources. Out of curiosity, has there been any degree of implementation of the System Service in the industry?
Thanks,
Bill Wagner
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