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Sounds good to me.
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<div class="">Rick</div>
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<div class="">On Jul 19, 2016, at 9:16 AM, Scott, Keith L. <<a href="mailto:kscott@mitre.org" class="">kscott@mitre.org</a>> wrote:</div>
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<span style="font-size: 11pt; font-family: Calibri;" class="">Seems good to me.<o:p class=""></o:p></span></div>
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<span style="font-size: 11pt; font-family: Calibri;" class=""><o:p class=""> </o:p></span></div>
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<span style="font-size: 11pt; font-family: Calibri;" class=""> --keith<o:p class=""></o:p></span></div>
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<span style="font-size: 11pt; font-family: Calibri;" class=""><o:p class=""> </o:p></span></div>
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<b class=""><span style="font-family: Calibri;" class="">From:<span class="Apple-converted-space"> </span></span></b><span style="font-family: Calibri;" class="">"<a href="mailto:cesg-bounces@mailman.ccsds.org" style="color: purple; text-decoration: underline;" class="">cesg-bounces@mailman.ccsds.org</a>"
<<a href="mailto:cesg-bounces@mailman.ccsds.org" style="color: purple; text-decoration: underline;" class="">cesg-bounces@mailman.ccsds.org</a>> on behalf of Gian Calzolari <<a href="mailto:Gian.Paolo.Calzolari@esa.int" style="color: purple; text-decoration: underline;" class="">Gian.Paolo.Calzolari@esa.int</a>><br class="">
<b class="">Date:<span class="Apple-converted-space"> </span></b>Tuesday, July 19, 2016 at 3:31 AM<br class="">
<b class="">To:<span class="Apple-converted-space"> </span></b>Peter Shames <<a href="mailto:peter.m.shames@jpl.nasa.gov" style="color: purple; text-decoration: underline;" class="">peter.m.shames@jpl.nasa.gov</a>><br class="">
<b class="">Cc:<span class="Apple-converted-space"> </span></b>Tom Gannett <<a href="mailto:thomas.gannett@tgannett.net" style="color: purple; text-decoration: underline;" class="">thomas.gannett@tgannett.net</a>>, CCSDS Exec <<a href="mailto:cesg@mailman.ccsds.org" style="color: purple; text-decoration: underline;" class="">cesg@mailman.ccsds.org</a>><br class="">
<b class="">Subject:<span class="Apple-converted-space"> </span></b>Re: [CESG] Why renaming GSCID inf revised CCSDS SCID Code Assignment Control Procedures?<o:p class=""></o:p></span></div>
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<span style="font-size: 10pt; font-family: sans-serif, serif;" class="">Fine with me.</span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 10pt; font-family: sans-serif, serif;" class="">What about other CESGers?</span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 10pt; font-family: sans-serif, serif;" class="">Regards</span><span class="Apple-converted-space"> </span><br class="">
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<span style="font-size: 10pt; font-family: sans-serif, serif;" class="">Gian Paolo</span><span class="Apple-converted-space"> </span><br class="">
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<span style="font-size: 7.5pt; font-family: sans-serif, serif; color: rgb(95, 95, 95);" class="">From: </span><span style="font-size: 7.5pt; font-family: sans-serif, serif;" class="">"Shames, Peter M (312B)" <<a href="mailto:peter.m.shames@jpl.nasa.gov" style="color: purple; text-decoration: underline;" class="">peter.m.shames@jpl.nasa.gov</a>></span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 7.5pt; font-family: sans-serif, serif; color: rgb(95, 95, 95);" class="">To: </span><span style="font-size: 7.5pt; font-family: sans-serif, serif;" class="">"Thomas Gannett" <<a href="mailto:thomas.gannett@tgannett.net" style="color: purple; text-decoration: underline;" class="">thomas.gannett@tgannett.net</a>>,
"<a href="mailto:Gian.Paolo.Calzolari@esa.int" style="color: purple; text-decoration: underline;" class="">Gian.Paolo.Calzolari@esa.int</a>" <<a href="mailto:Gian.Paolo.Calzolari@esa.int" style="color: purple; text-decoration: underline;" class="">Gian.Paolo.Calzolari@esa.int</a>></span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 7.5pt; font-family: sans-serif, serif; color: rgb(95, 95, 95);" class="">Cc: </span><span style="font-size: 7.5pt; font-family: sans-serif, serif;" class="">"'CCSDS CESG --'" <<a href="mailto:cesg@mailman.ccsds.org" style="color: purple; text-decoration: underline;" class="">cesg@mailman.ccsds.org</a>></span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 7.5pt; font-family: sans-serif, serif; color: rgb(95, 95, 95);" class="">Date: </span><span style="font-size: 7.5pt; font-family: sans-serif, serif;" class="">18/07/2016 18:12</span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 7.5pt; font-family: sans-serif, serif; color: rgb(95, 95, 95);" class="">Subject: </span><span style="font-size: 7.5pt; font-family: sans-serif, serif;" class="">Re: [CESG] Why renaming GSCID inf revised CCSDS SCID Code Assignment
Control Procedures?</span><o:p class=""></o:p></div>
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<span style="font-size: 10pt; font-family: Calibri;" class="">Guys,</span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 10pt; font-family: Calibri;" class=""> </span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 10pt; font-family: Calibri;" class="">I think we’ve gotten into the right neighborhood now. And I like Tom’s suggestion for use of Q-SCID. I’ll mark up the draft to reflect this agreement and re-submit. </span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 10pt; font-family: Calibri;" class=""> </span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 10pt; font-family: Calibri;" class="">And we will, as requested, go thru the full CESG / CMC / Agency review cycle.</span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 10pt; font-family: Calibri;" class=""> </span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 10pt; font-family: Calibri;" class="">Agreed?</span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 10pt; font-family: Calibri;" class=""> </span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 10pt; font-family: Calibri;" class="">Peter</span><span class="Apple-converted-space"> </span><br class="">
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<b class=""><span style="font-family: Calibri;" class="">From:<span class="Apple-converted-space"> </span></span></b><span style="font-family: Calibri;" class="">Tom Gannett <<a href="mailto:thomas.gannett@tgannett.net" style="color: purple; text-decoration: underline;" class="">thomas.gannett@tgannett.net</a>><b class=""><br class="">
Date:<span class="Apple-converted-space"> </span></b>Monday, July 18, 2016 at 6:09 AM<b class=""><br class="">
To:<span class="Apple-converted-space"> </span></b>Gian Paolo Calzolari <<a href="mailto:Gian.Paolo.Calzolari@esa.int" style="color: purple; text-decoration: underline;" class="">Gian.Paolo.Calzolari@esa.int</a>>, Peter Shames <<a href="mailto:peter.m.shames@jpl.nasa.gov" style="color: purple; text-decoration: underline;" class="">peter.m.shames@jpl.nasa.gov</a>><b class=""><br class="">
Cc:<span class="Apple-converted-space"> </span></b>CCSDS Engineering Steering Group - CESG Exec <<a href="mailto:cesg@mailman.ccsds.org" style="color: purple; text-decoration: underline;" class="">cesg@mailman.ccsds.org</a>><b class=""><br class="">
Subject:<span class="Apple-converted-space"> </span></b>RE: [CESG] Why renaming GSCID inf revised CCSDS SCID Code Assignment Control Procedures?</span><span class="Apple-converted-space"> </span><br class="">
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<span style="font-size: 10pt; font-family: Calibri; color: rgb(0, 64, 128);" class="">I’m not sure where “global” came from, except I think it was a catchy term in the early days of personal computing. The book actually defines a<span class="Apple-converted-space"> </span><i class="">qualified</i><span class="Apple-converted-space"> </span>SCID,
so why not “QSCID” for SCID qualified by version number and frequency band?<span class="Apple-converted-space"> </span></span><br class="">
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<span style="color: rgb(0, 64, 128);" class="">Thomas Gannett</span><span class="Apple-converted-space"> </span><br class="">
<span style="color: rgb(0, 64, 128);" class=""><a href="mailto:thomas.gannett@tgannett.net" style="color: purple; text-decoration: underline;" class="">thomas.gannett@tgannett.net</a></span><span class="Apple-converted-space"> </span><br class="">
<span style="color: rgb(0, 64, 128);" class="">+1 443 472 0805</span><span class="Apple-converted-space"> </span><br class="">
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<b class=""><span style="font-size: 10pt; font-family: Tahoma;" class="">From:</span></b><span style="font-size: 10pt; font-family: Tahoma;" class=""><span class="Apple-converted-space"> </span><a href="mailto:Gian.Paolo.Calzolari@esa.int" style="color: purple; text-decoration: underline;" class="">Gian.Paolo.Calzolari@esa.int</a><span class="Apple-converted-space"> </span>[</span><a href="mailto:Gian.Paolo.Calzolari@esa.int" style="color: purple; text-decoration: underline;" class=""><span style="font-size: 10pt; font-family: Tahoma;" class="">mailto:Gian.Paolo.Calzolari@esa.int</span></a><span style="font-size: 10pt; font-family: Tahoma;" class="">]<span class="Apple-converted-space"> </span><b class=""><br class="">
Sent:</b><span class="Apple-converted-space"> </span>Monday, July 18, 2016 4:47 AM<b class=""><br class="">
To:</b><span class="Apple-converted-space"> </span>Shames, Peter M (312B)<b class=""><br class="">
Cc:</b><span class="Apple-converted-space"> </span>CCSDS CESG --; Tom Gannett<b class=""><br class="">
Subject:</b><span class="Apple-converted-space"> </span>Re: [CESG] Why renaming GSCID inf revised CCSDS SCID Code Assignment Control Procedures?</span><span class="Apple-converted-space"> </span><br class="">
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<span style="font-size: 10pt; font-family: Arial;" class="">Peter,</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
my cent.</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
1) Priority is on 320.0-B/M ==> let's focus there</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
2) Define<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: Calibri;" class=""> “Extended GSCID” or E-GSCID<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: Arial;" class="">(or
any better name)</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
3) Remark with NOTES that<span class="Apple-converted-space"> </span><br class="">
a- GSCID is the term used before (kept for backward compatibility) and it defines a value that does go into the field(s) of the Transfer Frames (while<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: Calibri;" class=""> E-GSCID</span><span style="font-size: 10pt; font-family: Arial;" class=""><span class="Apple-converted-space"> </span>does
not).<span class="Apple-converted-space"> </span><br class="">
b- other documents refer to that value as MCID</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
c- (optionally) future use of the acronym GSCID is discouraged/deprecated.</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
4) Replace VN with TFVN and add a NOTE to explain this painless replacement due to the fact that TFVN is used by SDLP's and SLE documents and that "Version Number" could be ambiguous as there are actually TFVN and PVN.</span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
That's all.<span class="Apple-converted-space"> </span><br class="">
For the rest let's see the version Tom will produce at CESG Poll.</span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
Gian Paolo</span><span class="Apple-converted-space"> </span><br class="">
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From: </span><span style="font-size: 7.5pt; font-family: Arial;" class="">"Shames, Peter M (312B)" <</span><a href="mailto:peter.m.shames@jpl.nasa.gov" style="color: purple; text-decoration: underline;" class=""><span style="font-size: 7.5pt; font-family: Arial;" class="">peter.m.shames@jpl.nasa.gov</span></a><span style="font-size: 7.5pt; font-family: Arial;" class="">></span><span class="Apple-converted-space"> </span><span style="font-size: 7.5pt; font-family: Arial; color: rgb(95, 95, 95);" class=""><br class="">
To: </span><span style="font-size: 7.5pt; font-family: Arial;" class="">"</span><a href="mailto:Gian.Paolo.Calzolari@esa.int" style="color: purple; text-decoration: underline;" class=""><span style="font-size: 7.5pt; font-family: Arial;" class="">Gian.Paolo.Calzolari@esa.int</span></a><span style="font-size: 7.5pt; font-family: Arial;" class="">"
<</span><a href="mailto:Gian.Paolo.Calzolari@esa.int" style="color: purple; text-decoration: underline;" class=""><span style="font-size: 7.5pt; font-family: Arial;" class="">Gian.Paolo.Calzolari@esa.int</span></a><span style="font-size: 7.5pt; font-family: Arial;" class="">>,
"CCSDS CESG --" <</span><a href="mailto:cesg@mailman.ccsds.org" style="color: purple; text-decoration: underline;" class=""><span style="font-size: 7.5pt; font-family: Arial;" class="">cesg@mailman.ccsds.org</span></a><span style="font-size: 7.5pt; font-family: Arial;" class="">></span><span class="Apple-converted-space"> </span><span style="font-size: 7.5pt; font-family: Arial; color: rgb(95, 95, 95);" class=""><br class="">
Cc: </span><span style="font-size: 7.5pt; font-family: Arial;" class="">"Tom Gannett" <</span><a href="mailto:thomas.gannett@tgannett.net" style="color: purple; text-decoration: underline;" class=""><span style="font-size: 7.5pt; font-family: Arial;" class="">thomas.gannett@tgannett.net</span></a><span style="font-size: 7.5pt; font-family: Arial;" class="">></span><span class="Apple-converted-space"> </span><span style="font-size: 7.5pt; font-family: Arial; color: rgb(95, 95, 95);" class=""><br class="">
Date: </span><span style="font-size: 7.5pt; font-family: Arial;" class="">14/07/2016 18:01</span><span class="Apple-converted-space"> </span><span style="font-size: 7.5pt; font-family: Arial; color: rgb(95, 95, 95);" class=""><br class="">
Subject: </span><span style="font-size: 7.5pt; font-family: Arial;" class="">Re: [CESG] Why renaming GSCID inf revised CCSDS SCID Code Assignment Control Procedures?</span><o:p class=""></o:p></div>
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Hi Gippo,</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
</span> <span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
That’s fine, but what do you propose we do with the existing inconsistency? We have used two different terms to mean the exact same thing. In one case (actually 4 cases) we call these two fields “MCID”, in the other case we call the exact same two fields
“SCID”. In your opinion should we drop the term GSCID and use MCID everywhere, or should we bring all of the protocols into line and adopt GSCID everywhere?</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
</span> <span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
Or, probably the worst case, should we document this mistake we have made so that it is clear that we have two terms for the same thing?</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
</span> <span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
I’m asking you, in particular, because all of those protocol docs are in your area. I’m also guessing that you will be resistant to changing any of them, in which case the choice is likely to be “Keep MCID.” We can do that, but then we will need to put something
in the “GSCID doc”, which should really in that case be called the “MCID doc”, that these are actually one and the same.</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
</span> <span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
And I think, as I said, that we can call this field, concatenated with the frequency bin, the “Extended GSCID” or E-GSCID (or E-MCID).</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
</span> <span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
I’d like to get your opinion about this specific issue so I can include it in the revised 320x0 that I submit for review.</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
</span> <span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
Thanks, Peter</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
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From:<span class="Apple-converted-space"> </span></span></b><span style="font-family: Calibri;" class="">CESG <</span><a href="mailto:cesg-bounces@mailman.ccsds.org" style="color: purple; text-decoration: underline;" class=""><span style="font-family: Calibri;" class="">cesg-bounces@mailman.ccsds.org</span></a><span style="font-family: Calibri;" class="">>
on behalf of Gian Paolo Calzolari <</span><a href="mailto:Gian.Paolo.Calzolari@esa.int" style="color: purple; text-decoration: underline;" class=""><span style="font-family: Calibri;" class="">Gian.Paolo.Calzolari@esa.int</span></a><span style="font-family: Calibri;" class="">><b class=""><br class="">
Date:<span class="Apple-converted-space"> </span></b>Thursday, July 14, 2016 at 2:01 AM<b class=""><br class="">
To:<span class="Apple-converted-space"> </span></b>CCSDS Engineering Steering Group - CESG Exec <</span><a href="mailto:cesg@mailman.ccsds.org" style="color: purple; text-decoration: underline;" class=""><span style="font-family: Calibri;" class="">cesg@mailman.ccsds.org</span></a><span style="font-family: Calibri;" class="">><b class=""><br class="">
Cc:<span class="Apple-converted-space"> </span></b>Tom Gannett <</span><a href="mailto:thomas.gannett@tgannett.net" style="color: purple; text-decoration: underline;" class=""><span style="font-family: Calibri;" class="">thomas.gannett@tgannett.net</span></a><span style="font-family: Calibri;" class="">><b class=""><br class="">
Subject:<span class="Apple-converted-space"> </span></b>Re: [CESG] Why renaming GSCID inf revised CCSDS SCID Code Assignment Control Procedures?</span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
IMHO reusing terms giving them a different meaning is wrong by nature and prone to introduce backward compatibility issues.</span><span class="Apple-converted-space"> </span><br class="">
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From: </span><span style="font-size: 7.5pt; font-family: Arial;" class="">"Shames, Peter M (312B)" <</span><a href="mailto:peter.m.shames@jpl.nasa.gov" style="color: purple; text-decoration: underline;" class=""><span style="font-size: 7.5pt; font-family: Arial;" class="">peter.m.shames@jpl.nasa.gov</span></a><span style="font-size: 7.5pt; font-family: Arial;" class="">></span><span class="Apple-converted-space"> </span><span style="font-size: 7.5pt; font-family: Arial; color: rgb(95, 95, 95);" class=""><br class="">
To: </span><span style="font-size: 7.5pt; font-family: Arial;" class="">"</span><a href="mailto:Gian.Paolo.Calzolari@esa.int" style="color: purple; text-decoration: underline;" class=""><span style="font-size: 7.5pt; font-family: Arial;" class="">Gian.Paolo.Calzolari@esa.int</span></a><span style="font-size: 7.5pt; font-family: Arial;" class="">"
<</span><a href="mailto:Gian.Paolo.Calzolari@esa.int" style="color: purple; text-decoration: underline;" class=""><span style="font-size: 7.5pt; font-family: Arial;" class="">Gian.Paolo.Calzolari@esa.int</span></a><span style="font-size: 7.5pt; font-family: Arial;" class="">></span><span class="Apple-converted-space"> </span><span style="font-size: 7.5pt; font-family: Arial; color: rgb(95, 95, 95);" class=""><br class="">
Cc: </span><span style="font-size: 7.5pt; font-family: Arial;" class="">"CCSDS CESG --" <</span><a href="mailto:cesg@mailman.ccsds.org" style="color: purple; text-decoration: underline;" class=""><span style="font-size: 7.5pt; font-family: Arial;" class="">cesg@mailman.ccsds.org</span></a><span style="font-size: 7.5pt; font-family: Arial;" class="">>,
"Tom Gannett" <</span><a href="mailto:thomas.gannett@tgannett.net" style="color: purple; text-decoration: underline;" class=""><span style="font-size: 7.5pt; font-family: Arial;" class="">thomas.gannett@tgannett.net</span></a><span style="font-size: 7.5pt; font-family: Arial;" class="">></span><span class="Apple-converted-space"> </span><span style="font-size: 7.5pt; font-family: Arial; color: rgb(95, 95, 95);" class=""><br class="">
Date: </span><span style="font-size: 7.5pt; font-family: Arial;" class="">13/07/2016 17:22</span><span class="Apple-converted-space"> </span><span style="font-size: 7.5pt; font-family: Arial; color: rgb(95, 95, 95);" class=""><br class="">
Subject: </span><span style="font-size: 7.5pt; font-family: Arial;" class="">Re: [CESG] Why renaming GSCID inf revised CCSDS SCID Code Assignment Control Procedures?</span><o:p class=""></o:p></div>
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Dear Gippo,</span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
In this case we seem to have a term, GSCID, defined in 320x0 that is used only in that document and nowhere else. And we have the fields that compose that term, the VN and SCID, defined in every other relevant document as the MCID. The only exception to this,
I have been informed, is the new USLP which proposes to use the term GSCID instead of MCID.</span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
In order to get this cleared up efficiently I propose that we use the term MCID in the 320x0 document, thus fixing that obvious error, and that we also bring the USLP in-line, before it sees the light of day.</span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
At that point we can use the term GSCID as I proposed, without any risk of confusing anyone, since no other document uses that term.</span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
Or, if you wish, we can create a new term, Extended SCID (ESCID) and define it to mean the concatenation of the Frequency Band with the MCID (or GSCID, if you wish to persist that into the future). </span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
Or perhaps you want to change all of the other protocol docs to use the term GSCID instead of MCID so that they are all consistent?</span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
Which of these are acceptable, to you and the other CESG members?</span><span class="Apple-converted-space"> </span><br class="">
<span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
Regards, Peter</span><span class="Apple-converted-space"> </span><br class="">
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From:<span class="Apple-converted-space"> </span></span></b><span style="font-family: Calibri;" class="">Gian Paolo Calzolari <</span><a href="mailto:Gian.Paolo.Calzolari@esa.int" style="color: purple; text-decoration: underline;" class=""><span style="font-family: Calibri;" class="">Gian.Paolo.Calzolari@esa.int</span></a><span style="font-family: Calibri;" class="">><b class=""><br class="">
Date:<span class="Apple-converted-space"> </span></b>Wednesday, July 13, 2016 at 5:30 AM<b class=""><br class="">
To:<span class="Apple-converted-space"> </span></b>Peter Shames <</span><a href="mailto:peter.m.shames@jpl.nasa.gov" style="color: purple; text-decoration: underline;" class=""><span style="font-family: Calibri;" class="">peter.m.shames@jpl.nasa.gov</span></a><span style="font-family: Calibri;" class="">><b class=""><br class="">
Cc:<span class="Apple-converted-space"> </span></b>CCSDS Engineering Steering Group - CESG Exec <</span><a href="mailto:cesg@mailman.ccsds.org" style="color: purple; text-decoration: underline;" class=""><span style="font-family: Calibri;" class="">cesg@mailman.ccsds.org</span></a><span style="font-family: Calibri;" class="">>,
Tom Gannett <</span><a href="mailto:thomas.gannett@tgannett.net" style="color: purple; text-decoration: underline;" class=""><span style="font-family: Calibri;" class="">thomas.gannett@tgannett.net</span></a><span style="font-family: Calibri;" class="">><b class=""><br class="">
Subject:<span class="Apple-converted-space"> </span></b>Re: [CESG] Why renaming GSCID inf revised CCSDS SCID Code Assignment Control Procedures?</span><span class="Apple-converted-space"> </span><br class="">
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Dear Peter,</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
I never said that the current situation is perfect.</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
However i do find inappropriate having a term that means alfa till today and it will mean beta as of tomorrow.</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
Regards</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
Gian Paolo</span><span class="Apple-converted-space"> </span><br class="">
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From: </span><span style="font-size: 7.5pt; font-family: Arial;" class="">"Shames, Peter M (312B)" <</span><a href="mailto:peter.m.shames@jpl.nasa.gov" style="color: purple; text-decoration: underline;" class=""><span style="font-size: 7.5pt; font-family: Arial;" class="">peter.m.shames@jpl.nasa.gov</span></a><span style="font-size: 7.5pt; font-family: Arial;" class="">></span><span class="Apple-converted-space"> </span><span style="font-size: 7.5pt; font-family: Arial; color: rgb(95, 95, 95);" class=""><br class="">
To: </span><span style="font-size: 7.5pt; font-family: Arial;" class="">"</span><a href="mailto:Gian.Paolo.Calzolari@esa.int" style="color: purple; text-decoration: underline;" class=""><span style="font-size: 7.5pt; font-family: Arial;" class="">Gian.Paolo.Calzolari@esa.int</span></a><span style="font-size: 7.5pt; font-family: Arial;" class="">"
<</span><a href="mailto:Gian.Paolo.Calzolari@esa.int" style="color: purple; text-decoration: underline;" class=""><span style="font-size: 7.5pt; font-family: Arial;" class="">Gian.Paolo.Calzolari@esa.int</span></a><span style="font-size: 7.5pt; font-family: Arial;" class="">>,
"CCSDS CESG --" <</span><a href="mailto:cesg@mailman.ccsds.org" style="color: purple; text-decoration: underline;" class=""><span style="font-size: 7.5pt; font-family: Arial;" class="">cesg@mailman.ccsds.org</span></a><span style="font-size: 7.5pt; font-family: Arial;" class="">></span><span class="Apple-converted-space"> </span><span style="font-size: 7.5pt; font-family: Arial; color: rgb(95, 95, 95);" class=""><br class="">
Cc: </span><span style="font-size: 7.5pt; font-family: Arial;" class="">"Tom Gannett" <</span><a href="mailto:thomas.gannett@tgannett.net" style="color: purple; text-decoration: underline;" class=""><span style="font-size: 7.5pt; font-family: Arial;" class="">thomas.gannett@tgannett.net</span></a><span style="font-size: 7.5pt; font-family: Arial;" class="">></span><span class="Apple-converted-space"> </span><span style="font-size: 7.5pt; font-family: Arial; color: rgb(95, 95, 95);" class=""><br class="">
Date: </span><span style="font-size: 7.5pt; font-family: Arial;" class="">12/07/2016 18:58</span><span class="Apple-converted-space"> </span><span style="font-size: 7.5pt; font-family: Arial; color: rgb(95, 95, 95);" class=""><br class="">
Subject: </span><span style="font-size: 7.5pt; font-family: Arial;" class="">Re: [CESG] Why renaming GSCID inf revised CCSDS SCID Code Assignment Control Procedures?</span><o:p class=""></o:p></div>
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Dear Gippo,</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
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I appreciate your attention to detail and looking at this early on, but I have to differ re some conclusions. I note the following:</span><span class="Apple-converted-space"> </span><span style="font-family: Calibri;" class=""><br class="">
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- </span><span style="font-size: 10pt; font-family: Calibri;" class="">The term GSCID was defined<span class="Apple-converted-space"> </span></span><span style="font-family: Calibri;" class="">as “</span>GSCID = VN<span class="Apple-converted-space"> </span><b class="">.<span class="Apple-converted-space"> </span></b>SCID”<span style="font-size: 10pt; font-family: Calibri;" class=""><span class="Apple-converted-space"> </span>where
the “</span><b class="">.</b><span style="font-size: 10pt; font-family: Calibri;" class="">” means concatenation.</span><span class="Apple-converted-space"> </span><span style="font-family: Calibri;" class=""><br class="">
- </span><span style="font-size: 10pt; font-family: Calibri;" class="">The terms SCID and GSCID are used more or less interchangeably in the CCSDS 320x0b document, but they mean different things. This is a flaw in the current document that I have
tried to remedy.</span><span class="Apple-converted-space"> </span><span style="font-family: Calibri;" class=""><br class="">
- </span><span style="font-size: 10pt; font-family: Calibri;" class="">The term SCID is defined specifically in the various protocol documents, 320x0 just references it.</span><span class="Apple-converted-space"> </span><span style="font-family: Calibri;" class=""><br class="">
- </span><span style="font-size: 10pt; font-family: Calibri;" class="">The term GSCID<span class="Apple-converted-space"> </span><b class=""><i class="">does not</i></b><span class="Apple-converted-space"> </span>appear in any of our protocol documents,
TC, TM, or AOS. They tend to call the combination of the VN (actually the TFVN) and the SCID an MCID, not a GSCID.</span><span class="Apple-converted-space"> </span><span style="font-family: Calibri;" class=""><br class="">
- </span><span style="font-size: 10pt; font-family: Calibri;" class="">If you search the CCSDS files you will find that the only reference to GSCID is in this 320x0 document, and not in any others.</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
All of that said, I think that there is really no impediment in the way of extending the definition of GSCID to include the frequency band, because globally, in fact, the frequency band has from the beginning been a part of the actual physical and logical link
layer signal. We just did not acknowledge this until now.</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
But if you are worried about some confusion for others we could introduce a new term for the FB<span class="Apple-converted-space"> </span></span><b class="">.<span class="Apple-converted-space"> </span></b><span style="font-size: 10pt; font-family: Calibri;" class="">VN<span class="Apple-converted-space"> </span></span><b class="">.<span class="Apple-converted-space"> </span></b><span style="font-size: 10pt; font-family: Calibri;" class="">SCID
combination. I’m reluctant to call it a “Super” SCID, that sounds like a kid’s toy. ;-} And in truth, I think that this is more of a Global SCID than the current definition, and which the protocol docs call an MCID. In effect we have given the same thing
two different names, surely that is not a good approach? Maybe we should align this book with all of the existing protocol docs and call the VN<span class="Apple-converted-space"> </span></span><b class="">.<span class="Apple-converted-space"> </span></b><span style="font-size: 10pt; font-family: Calibri;" class="">SCID
combo an MCID and the FB<span class="Apple-converted-space"> </span></span><b class="">.<span class="Apple-converted-space"> </span></b><span style="font-size: 10pt; font-family: Calibri;" class="">VN<span class="Apple-converted-space"> </span></span><b class="">.<span class="Apple-converted-space"> </span></b><span style="font-size: 10pt; font-family: Calibri;" class="">SCID
combo the GSCID?</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
I am open to other suggestions.</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Calibri;" class=""><br class="">
Regards, Peter</span><span class="Apple-converted-space"> </span><br class="">
<b class=""><span style="font-family: Calibri;" class=""><br class="">
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From:<span class="Apple-converted-space"> </span></span></b><span style="font-family: Calibri;" class="">CESG <</span><a href="mailto:cesg-bounces@mailman.ccsds.org" style="color: purple; text-decoration: underline;" class=""><span style="font-family: Calibri;" class="">cesg-bounces@mailman.ccsds.org</span></a><span style="font-family: Calibri;" class="">>
on behalf of Gian Paolo Calzolari <</span><a href="mailto:Gian.Paolo.Calzolari@esa.int" style="color: purple; text-decoration: underline;" class=""><span style="font-family: Calibri;" class="">Gian.Paolo.Calzolari@esa.int</span></a><span style="font-family: Calibri;" class="">><b class=""><br class="">
Date:<span class="Apple-converted-space"> </span></b>Tuesday, July 12, 2016 at 6:18 AM<b class=""><br class="">
To:<span class="Apple-converted-space"> </span></b>CCSDS Engineering Steering Group - CESG Exec <</span><a href="mailto:cesg@mailman.ccsds.org" style="color: purple; text-decoration: underline;" class=""><span style="font-family: Calibri;" class="">cesg@mailman.ccsds.org</span></a><span style="font-family: Calibri;" class="">><b class=""><br class="">
Cc:<span class="Apple-converted-space"> </span></b>Tom Gannett <</span><a href="mailto:thomas.gannett@tgannett.net" style="color: purple; text-decoration: underline;" class=""><span style="font-family: Calibri;" class="">thomas.gannett@tgannett.net</span></a><span style="font-family: Calibri;" class="">><b class=""><br class="">
Subject:<span class="Apple-converted-space"> </span></b>[CESG] Why renaming GSCID inf revised CCSDS SCID Code Assignment Control Procedures?</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
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Dear CESGers,</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
in order to gain time and not to delay eventual Poll and start of Agency Review, I would like to anticipate that as SLS AD I wonder about the need of renaming GSCID in revised CCSDS SCID Code Assignment Control Procedures.</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
<br class="">
In fact the revised book includes a new definition of GSCID (see snapshot) that is conflicting with the definition in the Blue Book in force (see second snapshot) as the new one also refers to Frequency Band.</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
<br class="">
First of all I think that it is not appropriate modifying a term used for so many years (and for sure spread in "billions" of documents from many agencies) also considering that the the prefix "Global" is widely used for e.g. the Global VCID and Global MAP
ID (for sure in SLE and SLS books) without considering the Frequency Band.</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
Therefore there would be a discrepancy of meaning about the term Global between the GSCID and the GVCID</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
<br class="">
Last, but not list the book title "CCSDS Global Spacecraft Identification Field" points to a field i.e. a portion of data that is normally contained in transfer frames. In other words while the actual GSCID matches completely the contents of some bits of a
Frame Header, the proposed future GSCID will not.</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
<br class="">
As a conclusion I would retain the current definition of GSCID while adding a new definition for the concatenation of the frequency band (FB), 2-bit Version Number (VN) and the SCID.</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
This could be called Universal SCID, Super SCID, Supreme SCID, Frequenced SCID or whatever you prefer. [Please consider some humour in some proposed definitions.]</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
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Regards</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
<br class="">
Gian Paolo</span><span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: Arial;" class=""><br class="">
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PS Of course I did not perform a complete review of the document.......</span><span class="Apple-converted-space"> </span><br class="">
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<span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); float: none; display: inline !important;" class="">_______________________________________________</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class="">
<span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); float: none; display: inline !important;" class="">CESG
mailing list</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class="">
<a href="mailto:CESG@mailman.ccsds.org" style="color: purple; text-decoration: underline; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class="">CESG@mailman.ccsds.org</a><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class="">
<a href="https://mailman.ccsds.org/cgi-bin/mailman/listinfo/cesg" style="color: purple; text-decoration: underline; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class="">https://mailman.ccsds.org/cgi-bin/mailman/listinfo/cesg</a><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class="">
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<div style="orphans: 2; widows: 2;" class="">Dr. Richard Barton, Ph.D.</div>
<div style="orphans: 2; widows: 2;" class="">Wireless Communication Engineer</div>
<div style="orphans: 2; widows: 2;" class="">NASA Johnson Space Center</div>
<div style="orphans: 2; widows: 2;" class="">2101 NASA Parkway,</div>
<div style="orphans: 2; widows: 2;" class="">Mail Code EV014</div>
<div style="orphans: 2; widows: 2;" class="">Houston, TX 77058</div>
<div style="orphans: 2; widows: 2;" class="">281-483-1444 (office)</div>
<div style="orphans: 2; widows: 2;" class="">713-818-4076 (cell)</div>
<div style="orphans: 2; widows: 2;" class=""><a href="mailto:richard.j.barton@nasa.gov" class="">richard.j.barton@nasa.gov</a></div>
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