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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link="#0563C1" vlink=purple><div class=WordSection1><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Dear Peter<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>The DAI WG reached consensus at yesterday’s meeting to accept your proposals but with a few changes to your proposed definition of OAIS Archive which we think is a bit clearer.<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>The following shows our changes, with your text as the basis. A few words of your text have been deleted (double strikeout) and additional words inserted (red text).<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Some points to explain the changes:<o:p></o:p></span></p><ol style='margin-top:0cm' start=1 type=1><li class=MsoListParagraph style='margin-left:0cm;mso-list:l0 level1 lfo3'><span style='mso-fareast-language:EN-US'>Add “policies” and “information”<o:p></o:p></span></li><li class=MsoListParagraph style='margin-left:0cm;mso-list:l0 level1 lfo3'><span style='mso-fareast-language:EN-US'>To make it clear that the Archive organisation does not have to develop the system itself we use the words “put in place”<o:p></o:p></span></li><li class=MsoListParagraph style='margin-left:0cm;mso-list:l0 level1 lfo3'><span style='mso-fareast-language:EN-US'>In order to clean up the Glossary definition we move the the reference to the section which specifies the mandatory responsibilities to a NOTE. <o:p></o:p></span></li></ol><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal style='margin-top:10.0pt'><b>Open Archival Information System (OAIS)</b>:<b> </b>An Archive system consist<span style='color:red'>s</span><s>ing</s> of<span style='color:red'>, but is not limited to, policies, procedures,</span> hardware, software, and <span style='color:red'>information. </span><s>procedures </s><span style='color:red'>The Archive system is </span><s>developed</s> <span style='color:red'>put in place and </span>operated by an organization<span style='color:red'> and its staff</span>. The organization has accepted the responsibility to preserve information and make it available for a Designated Community. The organisation may be part of a larger organisation. <s>The system</s> <span style='color:red'>An OAIS Archive </span>meets a set of <span style='color:red'>mandatory</span> responsibilities<s>, as defined in section </s><s>4</s><s>,</s> that allows an OAIS Archive to be distinguished from other uses of the term ‘archive’. The term ‘Open’ in OAIS is used to imply that this Recommended Practice and future related Recommended Practices and standards are developed in open forums, and it does not imply that access to the Archive is unrestricted.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:10.0pt;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt'>NOTE - The set of mandatory responsibilities an OAIS Archive must perform are defined in section 3.2<o:p></o:p></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>I hope you concur with this. We can then go forward with this improved version of OAIS. Once again I want to thank you for suggesting many improvements.<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Regards<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>..David<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></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>From:</span></b><span lang=EN-US> MOIMS-DAI <moims-dai-bounces@mailman.ccsds.org> <b>On Behalf Of </b>Shames, Peter M (US 312B) via MOIMS-DAI<br><b>Sent:</b> 18 August 2020 18:56<br><b>To:</b> david@giaretta.org<br><b>Cc:</b> Shames, Peter M (US 312B) <peter.m.shames@jpl.nasa.gov>; MOIMS-DAI List <moims-dai@mailman.ccsds.org><br><b>Subject:</b> Re: [Moims-dai] [EXTERNAL] RE: CESG conditions on your OAIS Reference Model, CCSDS 650.0-P-2.0<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>Dear David, et al,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I'd like to thank you and your team for taking my suggestions seriously and for working diligently to improve the clarity of the document. I am really glad that you took this opportunity to make these long overdue changes. I suspect that your community will also appreciate the changes.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I have read the document (a quick skim this time), and find that I agree with all of the changes that you have made. The added clarity in use of terms and diagrams helps a lot. I did find a few relatively minor items that I still wish to ask that you fix. Instead of doing the usual "change this to that" PID format I just made the proposed changes directly in the text, which I have attached with Track Changes turned on. For transparency, I will tell you where to look:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Sec 1.1: fixed the definition of an OAIS to align with the usual notion of what a "system" is:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span lang=EN-US style='color:#0070C0'>An OAIS is an Archive system consisting of hardware, software, and procedures developed and operated by an organization. The organization has accepted the responsibility to preserve information and make it available for a <b>Designated Community</b>. The organization may be part of a larger organization.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Made the same change in sec 1.6.2 Terminology.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>In other sections and sub-sections I added a clarifying sentences in the intro paragraphs, of the general form: "This sub-section (<u>or this entire section</u>) is non-normative.". I am concerned that without this sort of clarity the mix of normative and non-normative materials in various sections can cause confusion. I did not want it to be too intrusive, but I think we must be clear. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>To take the "sting" out of this, in some sections I added an explanatory sentence, like this one in Sec 4.2:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span lang=EN-US style='color:#0070C0'>This entire subsection is informative, but provides useful abstractions for understanding how an OAIS might be designed.</span><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman",serif;color:#0070C0'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I hope that you and your team can accept these changes. If the answer is yes you have my concurrence to go forward.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanks, Peter<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='margin-left:36.0pt'><b><span lang=EN-US style='font-size:12.0pt;color:black'>From: </span></b><span lang=EN-US style='font-size:12.0pt;color:black'>David Giaretta <<a href="mailto:david@giaretta.org">david@giaretta.org</a>><br><b>Date: </b>Tuesday, August 18, 2020 at 9:07 AM<br><b>To: </b>Peter Shames <<a href="mailto:peter.m.shames@jpl.nasa.gov">peter.m.shames@jpl.nasa.gov</a>><br><b>Cc: </b>MOIMS-DAI List <<a href="mailto:moims-dai@mailman.ccsds.org">moims-dai@mailman.ccsds.org</a>><br><b>Subject: </b>Re: [Moims-dai] [EXTERNAL] RE: CESG conditions on your OAIS Reference Model, CCSDS 650.0-P-2.0<o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-left:36.0pt'><span lang=EN-US><o:p> </o:p></span></p></div><p class=MsoNormal style='margin-left:36.0pt'><span lang=EN-US>Dear Peter<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span lang=EN-US>Steve Hughes provided us with feedback following your discussion with him. As a result we have taken an in-depth look at the conformance sections, the definitions and discussion of Representation Information, and in particular “Semantic Information”, and the discussion of Representation Information Networks. I believe we have made significant improvements to OAIS as a result. Some of the text dates back to the original version of OAIS; it is only thanks to your insistence that we were forced to recognize a number of weaknesses and sources of confusion for readers.<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span lang=EN-US>The updated document is available at <a href="https://cwe.ccsds.org/moims/docs/MOIMS-DAI/Draft%20Documents/OAIS%20v3/650x0020_CESG_Aproval_Mod-20200818.doc?Web=0">https://cwe.ccsds.org/moims/docs/MOIMS-DAI/Draft%20Documents/OAIS%20v3/650x0020_CESG_Aproval_Mod-20200818.doc?Web=0</a><o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span lang=EN-US>A short list of the changes are:<o:p></o:p></span></p><p class=MsoNormal style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo2'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>The conformance section 1.4 has been clarified as you suggested and the individual sections are clearly marked as “normative”<o:p></o:p></span></p><p class=MsoNormal style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo2'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>We checked the use of shall/must. One instance of “must” was missing from a section marked as normative. We found we did have some uses of “must” in informative sections, which we re-phrased. <o:p></o:p></span></p><p class=MsoNormal style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo2'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>Changed the name of Semantic Information to “Semantic Representation Information” to avoid confusion with Semantic networks etc. The definition has been clarified to <o:p></o:p></span></p><p class=MsoNormal style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:l1 level2 lfo2'><![if !supportLists]><span lang=EN-US style='font-family:"Courier New"'><span style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>“Semantic Representation Information: The Representation Information that further describes the meaning of the Data Object, and its parts or elements, beyond that provided by the Structure Representation Information.”<o:p></o:p></span></p><p class=MsoNormal style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo2'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>There is a similar change for Structure Information to “Structure Representation Information”, which is now defined as <o:p></o:p></span></p><p class=MsoNormal style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:l1 level2 lfo2'><![if !supportLists]><span lang=EN-US style='font-family:"Courier New"'><span style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>“Structure Representation Information: The Representation Information that imparts information about the arrangement of and the organization of the parts or elements of the Data Object”<o:p></o:p></span></p><p class=MsoNormal style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo2'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>The explanation of Representation Information Networks has been updated, with some new diagrams which we hope make the concept very clear. <o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span lang=EN-US>We hope that clears the way for progressing OAIS to the next stage.<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span lang=EN-US>Regards<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span lang=EN-US>..David<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span lang=EN-US> <o:p></o:p></span></p></div></body></html>