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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoPlainText><span lang=EN-US>Meeting: 10:00 Tuesday (Washington DC time), 1500 UK time, 1600 Paris time.<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US>If you do not receive a notification from Skype then please join it by clicking the link:<o:p></o:p></span></p><p class=MsoPlainText><a href="https://join.skype.com/ykyu5SIPhSnD"><span lang=EN-US>https://join.skype.com/ykyu5SIPhSnD</span></a><span lang=EN-US><o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US>*Don't have Skype yet? Download it before you join </span><a href="https://www.skype.com"><span lang=EN-US>https://www.skype.com</span></a><span lang=EN-US><o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:16.0pt'>Draft agenda:<o:p></o:p></span></b></p><ol style='margin-top:0cm' start=1 type=1><li class=MsoListParagraph style='margin-left:0cm;mso-list:l0 level1 lfo1'>Reminder that we need to update project plan for CWE, in particular the GB and Abstraction Layer<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0cm;mso-list:l0 level1 lfo1'>OAIS-IF <o:p></o:p></li><ol style='margin-top:0cm' start=1 type=a><li class=MsoListParagraph style='margin-left:0cm;mso-list:l0 level2 lfo1'>Mario reminded us that SM&C WG and in particular the MAL that has identified a set of generic Interaction Patterns. See <a href="https://github.com/esa/mo-services-java">https://github.com/esa/mo-services-java</a> <o:p></o:p></li><li class=MsoListParagraph style='margin-left:0cm;mso-list:l0 level2 lfo1'>Details from last week: <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:l0 level3 lfo1'><![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]>Interactions – from Steve - <a href="https://www.dropbox.com/s/dnftuks5nvixdl0/Interactions_210608.jpg?dl=0">https://www.dropbox.com/s/dnftuks5nvixdl0/Interactions_210608.jpg?dl=0</a><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:l0 level3 lfo1'><![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]>WHITE BOOK FROM Steve - <a href="https://www.dropbox.com/s/fdd8ec5cq2y574z/02_White_Book_Recommended_Standard_OAIS-IF_Draft_191216%20v5.3%2006_ComparedCombined_04_05_210524.docx?dl=0">https://www.dropbox.com/s/fdd8ec5cq2y574z/02_White_Book_Recommended_Standard_OAIS-IF_Draft_191216%20v5.3%2006_ComparedCombined_04_05_210524.docx?dl=0</a><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:l0 level3 lfo1'><![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]>Component diagram from Steve - <a href="https://www.dropbox.com/s/5fsdmfcchzcqpz5/Component_Diagram_210601.jpg?dl=0">https://www.dropbox.com/s/5fsdmfcchzcqpz5/Component_Diagram_210601.jpg?dl=0</a><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:l0 level3 lfo1'><![if !supportLists]><span style='mso-list:Ignore'><span style='font:7.0pt "Times New Roman"'>                                                           </span>iv.<span style='font:7.0pt "Times New Roman"'>      </span></span><![endif]>Steve may sent out updated document/diagram<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:l0 level3 lfo1'><![if !supportLists]><span style='mso-list:Ignore'><span style='font:7.0pt "Times New Roman"'>                                                             </span>v.<span style='font:7.0pt "Times New Roman"'>      </span></span><![endif]><span lang=EN-US>The last version of the draft GB is <a href="https://www.dropbox.com/s/k7s1s7xh9tt01wt/OAIS-IF%20Rationale%20Scenarios%20and%20Requirements-20210516.docx?dl=0">https://www.dropbox.com/s/k7s1s7xh9tt01wt/OAIS-IF%20Rationale%20Scenarios%20and%20Requirements-20210516.docx?dl=0</a> – this includes my thoughts on sequence diagrams, messages, etc.</span><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:l0 level3 lfo1'><![if !supportLists]><span style='mso-list:Ignore'><span style='font:7.0pt "Times New Roman"'>                                                           </span>vi.<span style='font:7.0pt "Times New Roman"'>      </span></span><![endif]>DG’s sequence diagram at <a href="https://www.dropbox.com/s/1t1cma4anf49cm4/SequenceDiagram-with-adapters-v2.jpg?dl=0">https://www.dropbox.com/s/1t1cma4anf49cm4/SequenceDiagram-with-adapters-v2.jpg?dl=0</a> with, as requested last week, explanation of the numbered arrows as follows<o:p></o:p></p><p class=MsoListParagraph style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>1)<span style='font:7.0pt "Times New Roman"'>      </span></span></span><![endif]><span lang=EN-US>Each will need to buy/borrow/create their specific portion of the adapter that depends upon its specific software design and capabilities e.g. <o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:144.0pt;text-indent:-18.0pt;mso-list:l1 level2 lfo6'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>a.<span style='font:7.0pt "Times New Roman"'>       </span></span></span><![endif]><span lang=EN-US>for an InfoSource - is it a simple file server which we can supplement with a database of RepInfo etc         [1]<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:144.0pt;text-indent:-18.0pt;mso-list:l1 level2 lfo6'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>b.<span style='font:7.0pt "Times New Roman"'>       </span></span></span><![endif]><span lang=EN-US>for an InfoRequester – can it deal with tables and/or images or is it only for displaying documents etc               [2]<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>2)<span style='font:7.0pt "Times New Roman"'>      </span></span></span><![endif]><span lang=EN-US>They each then install the generic portion of the adapter – I think this can be common to all.                                       [3], [4]<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:90.0pt;text-indent:36.0pt'><span lang=EN-US>This generic portion does the following things:<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:162.0pt;text-indent:-18.0pt;mso-list:l1 level2 lfo6'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>a.<span style='font:7.0pt "Times New Roman"'>       </span></span></span><![endif]><span lang=EN-US>Find out about InfoSource using interface we define<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:162.0pt;text-indent:-18.0pt;mso-list:l1 level2 lfo6'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>b.<span style='font:7.0pt "Times New Roman"'>       </span></span></span><![endif]><span lang=EN-US>Register itself and the InfoSource with the Switchboard e.g. how others can communicate with it – HTTP/port80 or HTTP/port 2678 or REST or CORBA or RMI etc etc<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:90.0pt;text-indent:36.0pt'><span lang=EN-US>This is done just once for each source (or requester)                                                                                                            [5], [6]<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>3)<span style='font:7.0pt "Times New Roman"'>      </span></span></span><![endif]><span lang=EN-US>During operations the requester discovers somehow that it needs some information from an InfoSource – how this is done is not covered here. I think lots of work has been done by others, and OAIS does not really provide any guidance.<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>4)<span style='font:7.0pt "Times New Roman"'>      </span></span></span><![endif]><span lang=EN-US>InfoRequester generic adapter finds out from the Switchboard how to talk to the InfoSource in order to fit into the “OAIS-IF world”, and sets up the communication [7].[8], [9]<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>5)<span style='font:7.0pt "Times New Roman"'>      </span></span></span><![endif]><span lang=EN-US>The specific adapter of InfoRequester passes on the request to the generic adapter which passes on the request to the InformationSource generic adapter         [10], [11]<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>6)<span style='font:7.0pt "Times New Roman"'>      </span></span></span><![endif]><span lang=EN-US>The generic adapter of the InfoSource receives the request and passes it to the specific adapter which gets the DataObject and RepInfo (at least the start of the RepInfoNetwork) and passes that back                                                                                                                                        [NOT SHOWN]<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>7)<span style='font:7.0pt "Times New Roman"'>      </span></span></span><![endif]><span lang=EN-US>The InfoSource generic adapter creates an PackagedInfo object and sends that to the generic adapter of the InfoRequester  [12]<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>8)<span style='font:7.0pt "Times New Roman"'>      </span></span></span><![endif]><span lang=EN-US>The generic adapter of the InfoRequester asks the specific adapter if this is OK. If not then the generic adapter exchanges messages with the InfoSource generic adapter, which may need to talk to the InfoSource specific adapter.                                                                                              [13], [14], [15], [16], [17]<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>9)<span style='font:7.0pt "Times New Roman"'>      </span></span></span><![endif]><span lang=EN-US>PackagedInformation packages are send containing RepInfo until the InfoRequester is satisfied, or else a strategy is decided to use Transformation, if the InfoSource can do that                                                                                                                                                                                                [18], [19], [20], [21]<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>10)<span style='font:7.0pt "Times New Roman"'>   </span></span></span><![endif]><span lang=EN-US>It may be that a Registry of RepInfo (essentially another InformationSource) is available and known to the generic adapter, and additional RepInfo may be obtained from that.                                                                                                                                                                                                     [22], [23]<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Regards<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><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>