[Cloud] Re: [IPP] Where is the Cloud Print Manager in the PWG: Cloud Model

[Cloud] Re: [IPP] Where is the Cloud Print Manager in the PWG: Cloud Model

[Cloud] Re: [IPP] Where is the Cloud Print Manager in the PWG: Cloud Model

Michael Sweet msweet at apple.com
Fri Apr 6 16:00:26 UTC 2012


[Adding cloud at pwg.org since this is a cloud discussion]

Glen,

In the original BOF-generated functional model, the Cloud Print Manager is either located in the Printer or attached to the Printer (e.g. in the local print server).  The Cloud Print Manager manages communications between the lower-level printer interface and the Cloud Print Provider.

Based on our last telecon, we have introduced a Cloud Print Service into the model which is the service in/under the Cloud Print Provider (which acts as a System Control Service in the Semantic Model sense) that manages the jobs/queue in the cloud for the Cloud Print Manager.  The rough ASCII art diagram in my mind looks like this:


                   Cloud Print Provider
    Client  <--->  Cloud Print Service  <--->  Cloud Print Manager <---> Printer(s)

Thus, Clients and Cloud Print Managers talk directly to the Cloud Print Provider and corresponding Cloud Print Service, but never directly to each other, and only the Cloud Print Manager actually talks directly with the Printer(s) (physical or logical) it is registering/sharing with the Cloud Print Provider/Service.

There can potentially be multiple logical or physical printers behind the Cloud Print Manager (think traditional fan-out configurations and reprographic services) and those printers *may* be addressable using the IPP/SM output device attributes/elements, but there is only a single Cloud Print Service per Cloud Print Manager and to the Client it will appear to be a single "queue" with one or more output devices associated with it.


On Apr 6, 2012, at 8:34 AM, "Petrie, Glen" <glen.petrie at eitc.epson.com> wrote:

> Ira, Pete,
>  
> I believe it was stated in the last conference call that the Cloud Print Manager in the cloud model diagram “is not in the cloud”.   Is this true?  If so, where is it “located”? 
>  
> Glen
>  
> 
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__________________________________________________
Michael Sweet, Senior Printing System Engineer, PWG Chair


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