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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Here is a document generated from Enterprise Architect just to illustrate an idea for a hierarchy of use cases. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>..David<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='mso-fareast-language:EN-GB'>From:</span></b><span lang=EN-US style='mso-fareast-language:EN-GB'> David Giaretta <david@giaretta.org> <br><b>Sent:</b> 18 October 2018 10:02<br><b>To:</b> 'Steve Hughes(john.s.hughes@jpl.nasa.gov)' <john.s.hughes@jpl.nasa.gov><br><b>Cc:</b> MOIMS-DAI List <moims-dai@mailman.ccsds.org><br><b>Subject:</b> Ideas for Use Cases/Scenarios for OAIS-IF<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-left:36.0pt;text-indent:-18.0pt'>Steve<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt;text-indent:-18.0pt'><o:p> </o:p></p><p class=MsoNormal style='margin-left:36.0pt;text-indent:-18.0pt'>Do these types of Use Cases make sense. I’d like a sanity check before going any further.<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt;text-indent:-18.0pt'><o:p> </o:p></p><p class=MsoNormal style='margin-left:36.0pt;text-indent:-18.0pt'>NOTE: Consumer and Producer roles may be fulfilled by people, systems, organisations or OAISes<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt;text-indent:-18.0pt'><o:p> </o:p></p><p class=MsoNormal style='margin-left:36.0pt;text-indent:-18.0pt'>Overall aim: Consumer should be able to use the OAIS-IF specifications to create software which allows the following use cases to be implemented<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt;text-indent:-18.0pt'><o:p> </o:p></p><ol style='margin-top:0cm' start=1 type=1><li class=MsoListParagraph style='margin-left:0cm;mso-list:l3 level1 lfo3'>Consumer identifies Information wanted from the OAIS.<o:p></o:p></li><ol style='margin-top:0cm' start=1 type=a><li class=MsoListParagraph style='margin-left:0cm;mso-list:l3 level2 lfo3'>The Information could be:<o:p></o:p></li></ol></ol><p class=MsoListParagraph style='margin-left:108.0pt;text-indent:-108.0pt;mso-text-indent-alt:-9.0pt;mso-list:l3 level3 lfo3'><![if !supportLists]><span style='mso-list:Ignore'><span style='font:7.0pt "Times New Roman"'> </span>i.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>AIP<o:p></o:p></p><p class=MsoListParagraph style='margin-left:108.0pt;text-indent:-108.0pt;mso-text-indent-alt:-9.0pt;mso-list:l3 level3 lfo3'><![if !supportLists]><span style='mso-list:Ignore'><span style='font:7.0pt "Times New Roman"'> </span>ii.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Subset of Content Data Object<o:p></o:p></p><p class=MsoListParagraph style='margin-left:108.0pt;text-indent:-108.0pt;mso-text-indent-alt:-9.0pt;mso-list:l3 level3 lfo3'><![if !supportLists]><span style='mso-list:Ignore'><span style='font:7.0pt "Times New Roman"'> </span>iii.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Any of the components of the related AIP e.g. Provenance<o:p></o:p></p><ol style='margin-top:0cm' start=1 type=1><ol style='margin-top:0cm' start=2 type=a><li class=MsoListParagraph style='margin-left:0cm;mso-list:l3 level2 lfo3'>Consumer may need to be authenticated<o:p></o:p></li></ol><li class=MsoListParagraph style='margin-left:0cm;mso-list:l3 level1 lfo3'>Consumer gets DIP from OAIS<o:p></o:p></li><ol style='margin-top:0cm' start=1 type=a><li class=MsoListParagraph style='margin-left:0cm;mso-list:l3 level2 lfo3'>Consumer may need to be authenticated and checked to have appropriate authorisation<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0cm;mso-list:l3 level2 lfo3'>DIP packaging information must be agreed<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0cm;mso-list:l3 level2 lfo3'>Transmission protocol must be provided<o:p></o:p></li></ol><li class=MsoListParagraph style='margin-left:0cm;mso-list:l3 level1 lfo3'>Consumer extracts Information Object (CIO, Provenance Object etc) from AIP<o:p></o:p></li><ol style='margin-top:0cm' start=1 type=a><li class=MsoListParagraph style='margin-left:0cm;mso-list:l3 level2 lfo3'>Consumer must have Data Object and at least the immediately required Representation Information<o:p></o:p></li></ol></ol><p class=MsoListParagraph style='margin-left:108.0pt;text-indent:-108.0pt;mso-text-indent-alt:-9.0pt;mso-list:l3 level3 lfo3'><![if !supportLists]><span style='mso-list:Ignore'><span style='font:7.0pt "Times New Roman"'> </span>i.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>E.g. for FITS file would need RepInfo which consists of FITS software plus associated dictionary<o:p></o:p></p><ol style='margin-top:0cm' start=3 type=1><ol style='margin-top:0cm' start=1 type=a><ol style='margin-top:0cm' start=1 type=i><ol style='margin-top:0cm' start=1 type=1><li class=MsoListParagraph style='margin-left:0cm;mso-list:l3 level4 lfo3'>FITS s/w Information Object may consist of a Data Object which is JAVA class, in which case its RepInfo might be a Java Virtual Machine<o:p></o:p></li></ol></ol></ol></ol><p class=MsoListParagraph style='margin-left:108.0pt;text-indent:-108.0pt;mso-text-indent-alt:-9.0pt;mso-list:l3 level3 lfo3'><![if !supportLists]><span style='mso-list:Ignore'><span style='font:7.0pt "Times New Roman"'> </span>ii.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>For PDF just need a PDF viewer<o:p></o:p></p><ol style='margin-top:0cm' start=4 type=1><li class=MsoListParagraph style='margin-left:0cm;mso-list:l3 level1 lfo3'>Consumer uses Information Object to perform Preservation Objectives<o:p></o:p></li><ol style='margin-top:0cm' start=1 type=a><li class=MsoListParagraph style='margin-left:0cm;mso-list:l3 level2 lfo3'>Consumer have Data Object and its Representation Information<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0cm;mso-list:l3 level2 lfo3'>Consumer can use the RepInfo to extract structural elements and appropriate semantics from the data object<o:p></o:p></li></ol></ol><p class=MsoListParagraph style='margin-left:108.0pt;text-indent:-108.0pt;mso-text-indent-alt:-9.0pt;mso-list:l3 level3 lfo3'><![if !supportLists]><span style='mso-list:Ignore'><span style='font:7.0pt "Times New Roman"'> </span>i.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>If, for example, the Information Object is Provenance Information then one should be able to extract a list of events and for each event the agent, time etc<o:p></o:p></p><p class=MsoNormal style='margin-left:99.0pt'>NOTE: We may need to define simple interfaces for each of the PDI components<o:p></o:p></p><ol style='margin-top:0cm' start=5 type=1><li class=MsoListParagraph style='margin-left:0cm;mso-list:l3 level1 lfo3'>Producer agrees submission agreement with the OAIS including SIP definitions <o:p></o:p></li><ol style='margin-top:0cm' start=1 type=a><li class=MsoListParagraph style='margin-left:0cm;mso-list:l3 level2 lfo3'>Need to exchange Information Object which consists of an agreement TBD<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0cm;mso-list:l3 level2 lfo3'>Alternatively this could be handled out of band i.e. not specified in the OAIS-IF<o:p></o:p></li></ol><li class=MsoListParagraph style='margin-left:0cm;mso-list:l3 level1 lfo3'>Producer sends SIP to the OAIS<o:p></o:p></li><ol style='margin-top:0cm' start=1 type=a><li class=MsoListParagraph style='margin-left:0cm;mso-list:l3 level2 lfo3'>….<o:p></o:p></li></ol><li class=MsoListParagraph style='margin-left:0cm;mso-list:l3 level1 lfo3'>….<o:p></o:p></li></ol></div></body></html>