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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>Here are two things that I couldn’t get across during our telecon, but I’ll forget them before next week (actually before 5 minutes) unless I write them down. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=1 type=1><li class=MsoListParagraph style='margin-left:-.25in;mso-list:l1 level1 lfo4'>Does “Null” mean the archive responds with: <o:p></o:p></li></ol><ol style='margin-top:0in' start=1 type=a><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'>A statement: “Sorry, I don’t have that data that you requested” formed as an information package with the information of that statement?<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'>A statement: “Sorry, I don’t have that data that you requested” but NOT formed as an information package? <o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'>No statement. Something called “Null” which is non-responsive, but not even a fully-formed statement? <o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'>Any of the above? <o:p></o:p></li></ol><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=2 type=1><li class=MsoListParagraph style='margin-left:-.25in;mso-list:l1 level1 lfo4'>In the discussion about whether the AIP is “visible” at the interface, David proposed the scenario where an archive is transferring its contents to another archive, and he proposed that they might request “complete AIPs” as part of that transaction. Previously we discussed whether we should specifically show archive-to-archive transactions, but we concluded that we could meet the needs of the external archive simply using the producer and consumer interfaces, so no special “external-archive-specific” interface was needed for any given archive. With David’s scenario where an archive might request a complete AIP containing object data and RI, does that mean we need to show archive-specific calls? And therefore, Steve’s UML should show archive-to-archive transactions, and an external box called an external archive (different from a producer or consumer)? <o:p></o:p></li></ol><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-left:.25in'>If on the other hand, the “complete AIPs” request might apply to consumers also, then we don’t need to specially show archive-to-archive transactions. But in that case, in the green book, we should probably expand on how such archive-to-archive transactions use the producer and consumer interfaces. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We can discuss these either by email or at the next telecon. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='color:#002060'> -=- Mike<o:p></o:p></span></p><p class=MsoNormal><span style='color:#002060'><o:p> </o:p></span></p><p class=MsoNormal>Mike Kearney<span style='color:#002060'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#002060'>Huntsville, Alabama, USA <o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>