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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=blue><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I agree that considering what we have been calling the Cloud Imaging Service as a cloud-based System Control Service is attractive in that it is not restricted to a given imaging service and that the function of exposing services to clients is common. However, I think of this Cloud entity (what we call the Cloud Imaging Service) as more a virtual Imaging System (or MFD), including a System Control Service. According to the spec, “ </span>The SystemControlService responds to queries about the System Object’s configuration, status and descriptive information. The SystemControlService acts upon requests to modify the System Object.” <span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Therefore, the System Control aspect applies to the configuration of the Cloud Imaging entity. But in actually providing the imaging services, the Cloud Imaging entity </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> embodies the characteristics of the MFD , what I think is referred to as the System Object itself.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The System Control Service aspect would be the way we address creation (which is to say, exposing) and modification of the available services (although there is still the question of creation of the Cloud System Control Service.) I agree that working on a Cloud parallel to the System Control Service would be a good approach to the management of the Cloud accessible imaging services . And I agree that including this aspect would provide a more complete model. I also have concerns about taking on too much right now. But I think it should be considered.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> mfd-bounces@pwg.org [mailto:mfd-bounces@pwg.org] <b>On Behalf Of </b>Petrie, Glen<br><b>Sent:</b> Tuesday, April 30, 2013 11:45 AM<br><b>To:</b> Michael Sweet; cloud@pwg.org<br><b>Cc:</b> mfd@pwg.org<br><b>Subject:</b> [MFD] RE: [Cloud] Some random thoughts about the Cloud Imaging (Control?)Service<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-family:"Cambria","serif";color:blue'>Hi Mike, <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Cambria","serif";color:blue'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Cambria","serif";color:blue'>Good idea. See comments below.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Cambria","serif";color:blue'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Cambria","serif";color:blue'>Glen<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Cambria","serif";color:blue'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Cambria","serif";color:blue'><o:p> </o:p></span></p><div><div class=MsoNormal align=center style='text-align:center'><hr size=2 width="100%" align=center></div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <a href="mailto:cloud-bounces@pwg.org">cloud-bounces@pwg.org</a> [<a href="mailto:cloud-bounces@pwg.org">mailto:cloud-bounces@pwg.org</a>] <b>On Behalf Of </b>Michael Sweet<br><b>Sent:</b> Tuesday, April 30, 2013 4:58 AM<br><b>To:</b> <a href="mailto:cloud@pwg.org">cloud@pwg.org</a><br><b>Cc:</b> <a href="mailto:mfd@pwg.org">mfd@pwg.org</a><br><b>Subject:</b> [Cloud] Some random thoughts about the Cloud Imaging (Control?)Service</span><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>All,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>At yesterday's conference call we talked about the Cloud Imaging Service as a front-end or "meta" service that provided a coherent view of all MFD services registered with a Cloud Imaging Manager/Imaging Device. This service necessarily would need to be able to report all of the service endpoints, names, and types so that a Client or Cloud Imaging Manager would know which services were provided/registered and where, very much like the SM System Control Service.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I've been thinking some more about that and I think the Cloud Imaging Service *is* basically a SM System Control Service with additions to support the interface with the Cloud Imaging Manager. There are several advantages to this approach:<o:p></o:p></p></div><div><p class=MsoNormal><span style='color:blue'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Cambria","serif";color:blue'>[gwp] I like your name "Cloud Imaging Control Service" (CICS). I am assuming, for the simplest case (no fan-out), there is one CICS for each MFD (or if you like Device Manager).<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Cambria","serif";color:blue'><o:p> </o:p></span></p></div><div><p class=MsoNormal>1. A System Control Service provides operations for creating new services, providing a way for us to define registration of new Cloud Imaging Managers/Imaging Devices with the Cloud Provider, something that we had previously tabled as out-of-scope. IMHO, this makes for a much more compelling model that has a chance of basic interoperability from the initial configuration of the Imaging Device.<o:p></o:p></p></div><div><p class=MsoNormal><span style='color:blue'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Cambria","serif";color:blue'>[gwp] I don't understand the concept of the CICS "creating new services". I thought that when an MFD is registered with the Cloud Provider; it will now be the CICS that is "created" and that the CICS will already know or poll the MFD for the supported (sub-)services of the MFD. These CICS sub-services (print, fax, etc) would be to be advertised the same way Transform Service would provide a list of its (managed) sub-services. I believe the PWG should table, for a later time, any activity that defines or creates an entity "… providing a way for use to define registration of …." We already have lot to handle already and individual Cloud Providers will have their own method and processes for registration. Defining an MFD common registration process can be done later and independent of the current work.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Cambria","serif";color:blue'><o:p> </o:p></span></p></div><div><p class=MsoNormal>2. A System Control Service provides a common interface for Clients to enumerate the available services they are interested in, vs. using a different interface depending on whether Cloud or local devices were being accessed.<o:p></o:p></p><p class=MsoNormal><span style='font-family:"Cambria","serif";color:blue'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Cambria","serif";color:blue'>[gwp] I understood that Users are associated with Cloud Services via a registration process provided by the Cloud Provider and not by Clients. Thus, the CICS, at registration, enumerates the available sub-services to the Cloud Provider Registration Process; during registration, the Owner defines which sub-services are available for use and to whom. When a specific User registers with the Cloud Provider or at some later date; it is the Cloud Provider Registration Process that lists the available services that the specific User can be associated with. It would then be the Cloud Provider that will provide the list of available services to the Client. Once the User has selected a services, the Cloud Provider invokes the correct CICS with the identified sub-services being requested. <o:p></o:p></span></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>3. A System Control Service provides a view of all subunits managed by its services; this opens up some interesting managed service options that would otherwise need to be handled through other, proprietary means<o:p></o:p></p></div><div><p class=MsoNormal><span style='color:blue'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Cambria","serif";color:blue'>[gwp] can you elaborate some more.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Cambria","serif";color:blue'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Cambria","serif";color:blue'><o:p> </o:p></span></p></div><div><p class=MsoNormal>4. A System Control Service would allow us to address remote management of Imaging Devices (vs. services), although I believe we should still keep this out-of-scope for the 1.0 document.<o:p></o:p></p><p class=MsoNormal><span style='font-family:"Cambria","serif";color:blue'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Cambria","serif";color:blue'>[gwp] What types of remote management?<o:p></o:p></span></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>In addition to the Cloud Imaging Manager operations, there are a number of additions I think we should make to the existing SM interface as well, which would affect *all* SM services:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>1. Provide a way to get Imaging Device specific elements; in IPPSIX this is the new Get-Output-Device-Attributes, which returns the Printer attributes associated with a given device UUID - this is the converse of the Set-Output-Device-Attributes operation that is sent by the Manager to update/set the current configuration/capabilities of the device.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>2. Add elements to enumerate the Imaging Devices associated with a service; for IPPSIX I just added parallel attributes called device-uuid, device-uuid-assigned, and device-uuid-supported.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>3. Add elements to the Job and Document status groups that show the state on the Imaging Device assigned to that Job or Document. In IPPSIX these are the output-device-document-state, output-device-document-state-message, output-device-document-state-reasons, output-device-job-state, output-device-job-state-message, and output-device-job-state-reasons attributes.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>All of the new Imaging Device elements and operations would probably remain optional for non-Cloud usage (implementations/administrators get to choose whether this information is exposed, just as in SM 1.0), but for Cloud I think we have to expose it in order to support the Cloud Imaging Service - Cloud Imaging Manager interface.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Finally, if the Cloud Imaging Service *is* a superset of the SM System Control Service, it might make sense to change the name to Cloud Imaging Control Service. That would express the hierarchy and heritage in (hopefully) a less confusing way:<o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Courier New";color:blue'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'>[gwp] <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'>Client <------> Cloud Provider<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> |<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> /------/<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> |<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> +----------> Cloud Imaging Control Service for MFD #1<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> | | |<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> | \ +------ <s>Cloud Print Service -\</s> <<< Not available to this User<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> | \---> +------ Cloud FaxOut Service -+<----- Cloud Imaging Manager<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> | +------ Cloud Scan Service --/<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> | <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> +----------> Cloud Imaging Control Service for MFD #2<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> | | |<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> | \ +------ Cloud Print Service -\<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> | \---> +------ Cloud FaxOut Service -+<----- Cloud Imaging Manager<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> | +------ <s>Cloud Scan Service --/ </s> <<< Not available to this User<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> | <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> ...<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> |<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> +----------> Cloud Imaging Control Service for MFD #n<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> | |<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> \ +------ Cloud Print Service -\<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> \---> +------ <s>Cloud FaxOut Service</s> -+ <----- Cloud Imaging Manager<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> +------ <s>Cloud Scan Service --/</s> <<< Not available to this User<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'>Once the Clients selects the (Sub-)Service then question is whether the client goes through the CICS or communicates directly with sub-service. Either way would be ok; just need to decide.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'>Client <------------> Cloud Imaging Control Service for MFD #14<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> |<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> +-----> Cloud FaxOut Service -+<----- Cloud Imaging Manager<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'>OR<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> Cloud Imaging Control Service for MFD #14<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'> |<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'>Client <-------------------> Cloud FaxOut Service -+<----- Cloud Imaging Manager<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New";color:blue'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Courier New"'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Courier New"'> Client -------> Cloud Imaging Control Service<o:p></o:p></span></p></div><div><div><p class=MsoNormal><span style='font-family:"Courier New"'> | |<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Courier New"'> +----------> +------ Cloud Print Service -\<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Courier New"'> | +------ Cloud FaxOut Service -+<----- Cloud Imaging Manager<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Courier New"'> \ +------ Cloud Scan Service --/<o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span style='font-family:"Courier New"'> \ |<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Courier New"'> \ +------ Cloud Print Service -\<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Courier New"'> \-------> +------ Cloud FaxOut Service -+<----- Cloud Imaging Manager<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Courier New"'> +------ Cloud Scan Service --/<o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span style='font-family:"Courier New"'> |<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Courier New"'> ...<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Courier New"'> |<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Courier New"'> +------ Cloud Print Service -\<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Courier New"'> +------ Cloud FaxOut Service -+<----- Cloud Imaging Manager<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Courier New"'> +------ Cloud Scan Service --/</span><o:p></o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thoughts?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Andale Mono","serif";color:black'>_________________________________________________________<br>Michael Sweet, Senior Printing System Engineer, PWG Chair<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><br>-- <br>This message has been scanned for viruses and <br>dangerous content by <a href="http://www.mailscanner.info/"><b>MailScanner</b></a>, and is <br>believed to be clean. <o:p></o:p></p><p class=MsoNormal><br>-- <br>This message has been scanned for viruses and <br>dangerous content by <a href="http://www.mailscanner.info/"><b>MailScanner</b></a>, and is <br>believed to be clean. <o:p></o:p></p></div><br />--
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