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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><a name="_MailEndCompose"><span style='color:#1F497D'>That certainly looks like an improvement! Thanks for taking the time to add that further decomposition. <o:p></o:p></span></a></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>David, are the green layers between (and including) the AIP I/F Layer and the Bit layer all unique for each data type (Science data, Enterprise data, Web/HTML data, etc.)? Or are they one structure that services all data types? <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>(“Data type” implying uniqueness for each designated community.)<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='color:#1F497D'> -=- Mike<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Mike Kearney<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Huntsville, Alabama, USA<o:p></o:p></span></p></div><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> Moims-dai [mailto:moims-dai-bounces@mailman.ccsds.org] <b>On Behalf Of </b>David Giaretta<br><b>Sent:</b> Monday, July 11, 2016 8:38 AM<br><b>To:</b> 'MOIMS-Data Archive Ingestion' <moims-dai@mailman.ccsds.org><br><b>Subject:</b> Re: [Moims-dai] Draft proposals: Future work and CMC pitch<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-GB>How about this for the layer diagram?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>It is quite complex, and could be simplified later, but it seemed useful to show where as many things as possible fit for this version.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>..David<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> Moims-dai [<a href="mailto:moims-dai-bounces@mailman.ccsds.org">mailto:moims-dai-bounces@mailman.ccsds.org</a>] <b>On Behalf Of </b>David Giaretta<br><b>Sent:</b> 11 July 2016 11:17<br><b>To:</b> 'MOIMS-Data Archive Ingestion' <<a href="mailto:moims-dai@mailman.ccsds.org">moims-dai@mailman.ccsds.org</a>><br><b>Subject:</b> Re: [Moims-dai] Draft proposals: Future work and CMC pitch<o:p></o:p></p></div></div><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>I like the positive case about DAI – will send comments later.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>I am trying to update the diagram to have more of a link to OAIS – showing an AIP layer. We also had a diagram in Annex E of OAIS showing a layered information model from bits up to a generic application layer. Some ideas of that may also be useful.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Will try to send out my ideas later today.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Also spoke to an Italian colleague – they are developing an exchange schema for what it calls “interoperability in the migration processes” – I’ll ask if I can circulate the rough translation of the draft.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Regards<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>..David<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> Moims-dai [<a href="mailto:moims-dai-bounces@mailman.ccsds.org">mailto:moims-dai-bounces@mailman.ccsds.org</a>] <b>On Behalf Of </b>Mike Kearney<br><b>Sent:</b> 08 July 2016 22:05<br><b>To:</b> 'MOIMS-Data Archive Ingestion' <<a href="mailto:moims-dai@mailman.ccsds.org">moims-dai@mailman.ccsds.org</a>><br><b>Subject:</b> Re: [Moims-dai] Draft proposals: Future work and CMC pitch<o:p></o:p></p></div></div><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Meant to also address Don’s suggestion: <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l1 level1 lfo2'><![if !supportLists]><span style='font-family:Wingdings;color:#1F497D'><span style='mso-list:Ignore'>Ø<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>My approach would be to divide up the ‘data space’ much as shown in your diagram, and then have one or two people develop a starting set of services for each space. <span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>That’s exactly what SM&C did. Those bindings in the “messaging layer” were done by agencies, where each had a special interest. For example, ESA did a binding to PUS (Packet Utilization Standard). NASA JSC did a binding to TCP/IP. <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Like any CCSDS project the funding/resource issues will dominate the list of obstacles. SM&C had a lot of trouble getting agencies to develop specific bindings and then prototype them. But over the years they have developed a suite of services at that bottom layer. In the future utopian archive world, agencies and organizations with the interest would pick them up. In the long run, if this gains critical mass, I’ll bet a presentation at the IIPC would find a number of volunteer organizations willing to develop the web/HTML binding specification and prototyped plug-in. <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='color:#1F497D'> -=- Mike<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Mike Kearney<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Huntsville, Alabama, USA<o:p></o:p></span></p></div><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> Mike Kearney [<a href="mailto:kearneysolutions@gmail.com">mailto:kearneysolutions@gmail.com</a>] <br><b>Sent:</b> Friday, July 8, 2016 3:58 PM<br><b>To:</b> 'MOIMS-Data Archive Ingestion' <<a href="mailto:moims-dai@mailman.ccsds.org">moims-dai@mailman.ccsds.org</a>><br><b>Subject:</b> RE: [Moims-dai] Draft proposals: Future work and CMC pitch<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo4'><![if !supportLists]><span style='font-family:Wingdings'><span style='mso-list:Ignore'>Ø<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>Do we know if anyone has tried generating a broadly applicable abstraction for general data?<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Well, one that is very close at hand is the Message Abstraction Layer that has been developed by the SM&C working group and implemented by several agencies. It handles exchange of messages from above and below, and the “below” interfaces are a multitude of bindings to various network and link transport technologies. Hence my analogy to a multitude of bindings to unique archives for various disciplines. And they deal heavily with registries at each interface, so I think it’s not a large leap to deal with archive metadata. <o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Here’s the diagram from their framework book. Notice the common consumer/provider terminology. <o:p></o:p></p><p class=MsoPlainText><img border=0 width=565 height=328 id="Picture_x0020_1" src="cid:image002.jpg@01D1DB63.7EF51050"><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Exactly how broadly applicable it is for general data would be something to explore. But I thought it would be best to hold off on those discussions with SM&C until we fully discussed it within DAI. It certainly is broadly applicable for putting any data type into a messaging/transport interface, which might be a good indication that it’s pretty broad.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>In that bottom “messaging technology” layer are bindings for TCP/IP, DTN, various link layer comm technologies, etc.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText> -=- Mike<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Mike Kearney<o:p></o:p></p><p class=MsoPlainText>Huntsville, Alabama, USA<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>-----Original Message-----<br>From: Moims-dai [<a href="mailto:moims-dai-bounces@mailman.ccsds.org">mailto:moims-dai-bounces@mailman.ccsds.org</a>] On Behalf Of D or C Sawyer<br>Sent: Friday, July 8, 2016 3:34 PM<br>To: MOIMS DAI List <<a href="mailto:moims-dai@mailman.ccsds.org">moims-dai@mailman.ccsds.org</a>><br>Subject: Re: [Moims-dai] Draft proposals: Future work and CMC pitch<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>All,<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Since it is unlikely I’ll make the next Telecon (heading to Canada), I thought I’d offer a perspective or two on the slide showing a possible abstract data layer. Unlike with various targeted communication protocols dealing with spacecraft, the scope of the existing data services is much more diverse in my opinion. That said, it would be an interesting challenge to explore. My approach would be to divide up the ‘data space’ much as shown in your diagram, and then have one or two people develop a starting set of services for each space. Then do an investigation of the actual services in whatever scope of applicability (all communities, only certain disciplines, etc.) was set for the abstract layer in order to not miss any that are important.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Do we know if anyone has tried generating a broadly applicable abstraction for general data?<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Cheers-<o:p></o:p></p><p class=MsoPlainText>Don<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>On Jul 8, 2016, at 12:11 PM, Mike Kearney <<a href="mailto:kearneysolutions@gmail.com"><span style='color:windowtext;text-decoration:none'>kearneysolutions@gmail.com</span></a>> wrote:<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>> Sorry if this seems totally out-of-the-blue, but we’ve talked around these topics, and I decided to try to put my thoughts on paper (or PPT anyhow).<o:p></o:p></p><p class=MsoPlainText>> <o:p></o:p></p><p class=MsoPlainText>> This starts with a DAI discussion about future work in protocols/APIs, Architecture, and then branches off to a presentation for the CCSDS CMC on that topic and a few other topics. I figured the best way to describe where I suggest we go is to put it in words advocating it to management. <o:p></o:p></p><p class=MsoPlainText>> <o:p></o:p></p><p class=MsoPlainText>> This in no way tries to derail the current work. If you look at the proposed (very drafty) schedule, this new work kicks in after the current project and the OAIS revision is over. I think. <o:p></o:p></p><p class=MsoPlainText>> <o:p></o:p></p><p class=MsoPlainText>> So, I’d like to discuss this at an upcoming DAI telecon. There’s no rush on this, so if there are other topics for next Tuesday, it can be later. <o:p></o:p></p><p class=MsoPlainText>> <o:p></o:p></p><p class=MsoPlainText>> Thanks, <o:p></o:p></p><p class=MsoPlainText>> <o:p></o:p></p><p class=MsoPlainText>> -=- Mike<o:p></o:p></p><p class=MsoPlainText>> <o:p></o:p></p><p class=MsoPlainText>> Mike Kearney<o:p></o:p></p><p class=MsoPlainText>> Huntsville, Alabama, USA<o:p></o:p></p><p class=MsoPlainText>> <o:p></o:p></p><p class=MsoPlainText>> <Discussion points for CMC concerns 7-8-2016.pptx>_______________________________________________<o:p></o:p></p><p class=MsoPlainText>> Moims-dai mailing list<o:p></o:p></p><p class=MsoPlainText>> <a href="mailto:Moims-dai@mailman.ccsds.org"><span style='color:windowtext;text-decoration:none'>Moims-dai@mailman.ccsds.org</span></a><o:p></o:p></p><p class=MsoPlainText>> <a href="https://mailman.ccsds.org/cgi-bin/mailman/listinfo/moims-dai"><span style='color:windowtext;text-decoration:none'>https://mailman.ccsds.org/cgi-bin/mailman/listinfo/moims-dai</span></a><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>_______________________________________________<o:p></o:p></p><p class=MsoPlainText>Moims-dai mailing list<o:p></o:p></p><p class=MsoPlainText><a href="mailto:Moims-dai@mailman.ccsds.org"><span style='color:windowtext;text-decoration:none'>Moims-dai@mailman.ccsds.org</span></a><o:p></o:p></p><p class=MsoPlainText><a href="https://mailman.ccsds.org/cgi-bin/mailman/listinfo/moims-dai"><span style='color:windowtext;text-decoration:none'>https://mailman.ccsds.org/cgi-bin/mailman/listinfo/moims-dai</span></a><o:p></o:p></p></div></body></html>