<div dir="ltr"><div dir="ltr">"
<span style="color:rgb(31,73,125);font-family:Calibri,sans-serif;font-size:14.6667px;text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">All the components of the AIP would now be focused on the CDO which in my view is the thing that we really want to focus most on preserving."</span><div><span style="color:rgb(31,73,125);font-family:Calibri,sans-serif;font-size:14.6667px;text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><br></span></div><div><span style="color:rgb(31,73,125);font-family:Calibri,sans-serif;font-size:14.6667px;text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">Representation Information is defined as: The information that maps a Data Object into more meaningful concepts so that the Data Object may be understood in ways exemplified by Preservation Objectives.</span></div><div><br></div><div>Without the Representation Information the CDO will become meaningless over time. I believe that the previous versions of OAIS which made the Content Information the original target of preservation are correct.</div><div><br></div><div>"
<span style="color:rgb(31,73,125);font-family:Calibri,sans-serif;font-size:14.6667px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">But these other things are not the primary focus of long-term preservation for this OAIS."</span></div><div><br></div><div>Representation Information has to be part of the primary focus of long-term preservation. Without it, the CDO will become meaningless in the medium to long term. The best time to gather the initial version of the RepInfo - as we have discussed frequently - is at or near the time of creation of the CDO.</div><div><br></div><div><span style="color:rgb(31,73,125);font-family:Calibri,sans-serif;font-size:14.6667px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">"Any archive that was OAIS compatible before will remain OAIS compatible. I.e. if you had fixity/provenance/… on Content Info (CDO+RepInfo) then you have sufficient fixit/provenance/… on the CDO.</span> "<br></div><div><br></div><div>This misses the point. You cannot have long term preservation without RepInfo being part of the original target of preservation.</div><div><br></div><div>What is the harm of keeping Content Information as the original target of preservation? I see a number of harms in making just the CDO the original target of preservation. Unless there are compelling reasons to change the original target of preservation - one of the core principles of OAIS - I don't believe it should be changed.</div><div><br></div><div>My two cents.</div><div class="gmail_extra"><br clear="all"><div><div class="gmail-m_-2012385482553399736gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>Mark </div><div><br></div></div></div></div></div></div></div></div></div></div>
<br><div class="gmail_quote">On Mon, Sep 10, 2018 at 10:29 AM, John Garrett <span dir="ltr"><<a href="mailto:garrett@his.com" target="_blank">garrett@his.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div lang="EN-US"><div class="gmail-m_-2012385482553399736m_-264577622854671377WordSection1"><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Hi,<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">First thanks to everyone for the many and robust comments and discussions generated by this thread. It has allowed for a lot of great discussions.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">However, we also need to finish the OAIS updates in the near term. We’re about 2 years in on actively working on these updates and started about 6 months earlier than that when we set up the review site. <u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Just to focus the discussion, although many issues were brought up, SC#222 just changed the definition of PDI terms to refer them to the CDO rather than the Content Information (CDO+RepInfo).<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Some of my thoughts on this. <u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">All the components of the AIP would now be focused on the CDO which in my view is the thing that we really want to focus most on preserving.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">This does not mean that we don’t preserve other objects that are part of an AIP (that are there to help preserve the CDO). Doesn’t even mean that within the OAIS we don’t preserve other things that are not even in an AIP. But these other things are not the primary focus of long-term preservation for this OAIS.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">This does not prevent PDI like objects to be associated with any objects other than the CDO. <u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Yes, it does change the definition that was in the previous 2 issues. But I don’t think that it will cause any previous users of the OAIS standard any problem. Going this direction is backwards compatible. Any archive that was OAIS compatible before will remain OAIS compatible. I.e. if you had fixity/provenance/… on Content Info (CDO+RepInfo) then you have sufficient fixit/provenance/… on the CDO.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">I’m traveling. Hopefully I will be able to connect to the call.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Peace and joy,<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">-JOhn<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p><p class="MsoNormal"><a name="m_-2012385482553399736_m_-264577622854671377__MailEndCompose"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></a></p><p class="MsoNormal"><b><span style="font-size:11pt;font-family:Calibri,sans-serif">From:</span></b><span style="font-size:11pt;font-family:Calibri,sans-serif"> MOIMS-DAI [mailto:<a href="mailto:moims-dai-bounces@mailman.ccsds.org" target="_blank">moims-dai-bounces@mail<wbr>man.ccsds.org</a>] <b>On Behalf Of </b>Mark Conrad<br><b>Sent:</b> Tuesday, September 4, 2018 1:46 PM<br><b>To:</b> MOIMS-Data Archive Interoperability <<a href="mailto:moims-dai@mailman.ccsds.org" target="_blank">moims-dai@mailman.ccsds.org</a>><br><b>Subject:</b> Re: [Moims-dai] Response to rejection of SC234<u></u><u></u></span></p><p class="MsoNormal"><u></u> <u></u></p><div><div><p class="MsoNormal">I believe Don is correct about the applicability of PDI only to the Content Information (or the Content Data Object per SC 222). If you look at the current definitions for the PDI components, they apply to the Content Information (or the Content Data Object per SC 222).<u></u><u></u></p><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal"><b>Preservation Description Information (PDI</b>): The<b> </b>information which is necessary for adequate preservation of the Content Data Obect (sic) <a name="m_-2012385482553399736_m_-264577622854671377__msoanchor_1" id="gmail-m_-2012385482553399736m_-264577622854671377gmail-_anchor_1"></a><a href="#m_-2012385482553399736_m_-264577622854671377__msocom_1"><span lang="X-NONE" style="font-size:8pt">[JG1]</span></a><span class="gmail-m_-2012385482553399736m_-264577622854671377gmail-msocommentreference"><span lang="X-NONE" style="font-size:8pt"> </span></span>and which can be categorized as Provenance Information, Context Information, Reference Information, Fixity Information, and Access Rights Information.<a name="m_-2012385482553399736_m_-264577622854671377__msoanchor_2" id="gmail-m_-2012385482553399736m_-264577622854671377gmail-_anchor_2"></a><a href="#m_-2012385482553399736_m_-264577622854671377__msocom_2"><span lang="X-NONE" style="font-size:8pt">[JG2]</span></a><u></u><u></u></p></div><div><p class="MsoNormal" style="margin-top:12pt;text-align:justify;line-height:14pt"><b>Provenance Information</b>:<b> </b>The information that documents the history of the Content Data Object. This information tells the origin or source of the Content Data Object,<a href="#m_-2012385482553399736_m_-264577622854671377__msocom_1" id="gmail-m_-2012385482553399736m_-264577622854671377gmail-_anchor_1"><span lang="X-NONE" style="font-size:8pt">[JG1]</span></a><span class="gmail-m_-2012385482553399736m_-264577622854671377gmail-msocommentreference"><span lang="X-NONE" style="font-size:8pt"> </span></span> any changes that may have taken place since it was originated, and who has had custody of it since it was originated. The Archive is responsible for creating and preserving Provenance Information from the point of Ingest; however, earlier Provenance Information should be provided by the Producer. Provenance Information adds to the evidence to support Authenticity.<u></u><u></u></p><p class="MsoNormal" style="margin-top:12pt;text-align:justify;line-height:14pt"><b>Context Information</b>:<b> </b>The information that documents the relationships of the Content Data Object to its environment. This includes why the Content Data Object was created and how it relates to other Content Data Objects<a href="#m_-2012385482553399736_m_-264577622854671377__msocom_1" id="gmail-m_-2012385482553399736m_-264577622854671377gmail-_anchor_1"><span lang="X-NONE" style="font-size:8pt">[JG1]</span></a><span class="gmail-m_-2012385482553399736m_-264577622854671377gmail-msocommentreference"><span lang="X-NONE" style="font-size:8pt"> </span></span><u></u><u></u></p><div><div><div id="gmail-m_-2012385482553399736m_-264577622854671377gmail-_com_1"><p class="MsoNormal" style="margin-top:12pt;line-height:14pt"><b>Reference Information</b>:<b> </b>The information that is used as an identifier for the Content Data Object. It also includes identifiers that allow outside systems to refer unambiguously to particular Content Data Object.<a href="#m_-2012385482553399736_m_-264577622854671377__msocom_1" id="gmail-m_-2012385482553399736m_-264577622854671377gmail-_anchor_1"><span lang="X-NONE" style="font-size:8pt">[JG1]</span></a><span class="gmail-m_-2012385482553399736m_-264577622854671377gmail-msocommentreference"><span lang="X-NONE" style="font-size:8pt"> </span></span><u></u><u></u></p><p class="MsoNormal">NOTE: An <a href="#m_-2012385482553399736_m_-264577622854671377__msocom_2" id="gmail-m_-2012385482553399736m_-264577622854671377gmail-_anchor_2"><span lang="X-NONE" style="font-size:8pt">[JG2]</span></a><span class="gmail-m_-2012385482553399736m_-264577622854671377gmail-msocommentreference"><span lang="X-NONE" style="font-size:8pt"> </span></span>example of Reference Information is an ISBN.<u></u><u></u></p><p class="gmail-m_-2012385482553399736m_-264577622854671377gmail-msocommenttext" style="margin-right:0in;margin-left:0in;margin-bottom:0.0001pt;text-align:justify;line-height:14pt"><b>Fixity Information</b>:<b> </b>The information which documents the mechanisms that ensure that the Content Data Object <a href="#m_-2012385482553399736_m_-264577622854671377__msocom_1" id="gmail-m_-2012385482553399736m_-264577622854671377gmail-_anchor_1"><span lang="X-NONE" style="font-size:8pt">[JG1]</span></a><span class="gmail-m_-2012385482553399736m_-264577622854671377gmail-msocommentreference"><span lang="X-NONE" style="font-size:8pt"> </span></span>has not been altered in an undocumented manner.<span style="font-size:10pt"><u></u><u></u></span></p><p class="gmail-m_-2012385482553399736m_-264577622854671377gmail-msocommenttext" style="margin-right:0in;margin-left:0in;margin-bottom:0.0001pt;text-align:justify;line-height:14pt"><b>Access Rights Information:</b> The information that identifies the access restrictions pertaining to the Content Data Object, <a href="#m_-2012385482553399736_m_-264577622854671377__msocom_1" id="gmail-m_-2012385482553399736m_-264577622854671377gmail-_anchor_1"><span lang="X-NONE" style="font-size:8pt">[JG1]</span></a><span class="gmail-m_-2012385482553399736m_-264577622854671377gmail-msocommentreference"><span lang="X-NONE" style="font-size:8pt"> </span></span>including the legal framework, licensing terms, and access control. It contains the access and distribution conditions stated within the Submission Agreement, related to both preservation (by the OAIS) and final usage (by the Consumer). It also includes the specifications for the application of rights enforcement measures.<u></u><u></u></p><p class="gmail-m_-2012385482553399736m_-264577622854671377gmail-msocommenttext" style="margin-right:0in;margin-left:0in;margin-bottom:0.0001pt;text-align:justify;line-height:14pt"><u></u> <u></u></p><p class="gmail-m_-2012385482553399736m_-264577622854671377gmail-msocommenttext" style="margin-right:0in;margin-left:0in;margin-bottom:0.0001pt;text-align:justify;line-height:14pt">Note that in each case the PDI and its components pertain to the Content Information (or the Content Data Object per SC 222). It does not apply to all Information Objects held by the OAIS. David, I believe that you submitted a Suggested Change, or maybe it was just an email thread, to apply the same preservation protocols to all information objects - not just Content Information. This suggestion was rejected by the group if I remember correctly.<u></u><u></u></p><p class="gmail-m_-2012385482553399736m_-264577622854671377gmail-msocommenttext" style="margin-right:0in;margin-left:0in;margin-bottom:0.0001pt;text-align:justify;line-height:14pt">Given the above, I am inclined to agree with Don to reverse SC 222.<u></u><u></u></p><p class="gmail-m_-2012385482553399736m_-264577622854671377gmail-msocommenttext" style="margin-right:0in;margin-left:0in;margin-bottom:0.0001pt;text-align:justify;line-height:14pt">Mark<u></u><u></u></p></div></div></div></div></div></div><div><p class="MsoNormal"><br clear="all"><u></u><u></u></p><div><div><div><div><div><div><div><div><div><div><p class="MsoNormal">Mark Conrad<br>NARA Information Services<u></u><u></u></p></div><div><p class="MsoNormal" style="margin-bottom:12pt">Systems Engineering Division (IT)<br>The National Archives and Records Administration<br>Erma Ora Byrd Conference and Learning Center<br>Building 494, Room 225<br>610 State Route 956<br>Rocket Center, WV 26726<br><br>Phone: 304-726-7820<br>Fax: 304-726-7802<br>Email: <a href="mailto:mark.conrad@nara.gov" target="_blank">mark.conrad@nara.gov</a> <u></u><u></u></p></div></div></div></div></div></div></div></div></div></div></div></div></div><br>______________________________<wbr>_________________<br>
MOIMS-DAI mailing list<br>
<a href="mailto:MOIMS-DAI@mailman.ccsds.org" target="_blank">MOIMS-DAI@mailman.ccsds.org</a><br>
<a href="https://mailman.ccsds.org/cgi-bin/mailman/listinfo/moims-dai" rel="noreferrer" target="_blank">https://mailman.ccsds.org/cgi-<wbr>bin/mailman/listinfo/moims-dai</a><br>
<br></blockquote></div><br></div></div></div>