[cssm] [EXTERNAL] Refactored Schemas and UML Model

Barkley, Erik J (US 3970) erik.j.barkley at jpl.nasa.gov
Tue Nov 26 19:37:17 UTC 2019

Hello Colin,

I have done some spot checking on various schemas and it all looks good with regard to the flattened structure. A couple items of note:

  1.  the readme file seems a bit out of date - it still talks about folders. I think if you were to replace folder with "book" it should work.
  2.  The planning information format needs to also indicate "communications" (change of name from PIF to CPIF)
  3.  I know we agreed on the convention quite some time ago but taking a look at all the files listed there - wow those are long filenames.  It seems that we could shorten this without losing any clarity. I think anyone who works with these will know that they are XML schema files so a suggestion is to eliminate the "schema" as part of the file name. Also, "Cssm" appears in all the filenames and to my eye that tends to make them less distinct. So we could eliminate these bits of "fixed string".  A more radical proposal, but I still think workable is to go with abbreviations, which would imply that we have agreed upon, well identified abbreviations.  Here are some examples: (assuming table renders properly after going through list server)


Minus fixed string











            To me, nothing is really being lost in terms of identifying what the file is about and it seems more distinct which I think might be somewhat important given that this is now going into a "flat" registry.   If going with the abbreviation approach, then, for 902x09w0_09.01-SMURF.xsd  which could then have "extended" names like 902x09w0_09.01-SMURF-BasicConstraints.xsd , etc

What are your thoughts?  If you and the WG agree with one of the updated approaches, I can update the convention in the inter-recommendation spreadsheet and I can volunteer to do the editing on the schema files, etc.  Personally I like the abbreviation approach.

Best regards,

From: SMWG <smwg-bounces at mailman.ccsds.org> On Behalf Of Colin.Haddow at esa.int
Sent: Wednesday, November 20, 2019 03:57
To: CCSDS Service Mgmt WG <smwg at mailman.ccsds.org>
Subject: [EXTERNAL] [cssm] Refactored Schemas and UML Model

Dear all,
                I've refactored the Schemas and UML model as per todays WebEx to have a flat structure and uploaded these to CWE. They can be found at the following URLs;

UML Model:        https://cwe.ccsds.org/css/docs/CSS-SM/CWE%20Private/Book%20Production/UML%20Model/902UmlModel%2020191119.zip
Schema:        https://cwe.ccsds.org/css/docs/CSS-SM/CWE%20Private/Book%20Production/Schemas/902Schema%2020191119.zip

Cheers for now,


Dr. Colin R. Haddow,
HSO-GI, European Space Agency,
European Space Operations Centre,
Robert-Bosch-Str 5,
64293 Darmstadt,

Phone; +49 6151 90 2896
Fax;      +49 6151 90 3010
E-Mail;  colin.haddow at esa.int<mailto:colin.haddow at esa.int>

This message is intended only for the recipient(s) named above. It may contain proprietary information and/or

protected content. Any unauthorised disclosure, use, retention or dissemination is prohibited. If you have received

this e-mail in error, please notify the sender immediately. ESA applies appropriate organisational measures to protect

personal data, in case of data privacy queries, please contact the ESA Data Protection Officer (dpo at esa.int<mailto:dpo at esa.int>).
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.ccsds.org/pipermail/smwg/attachments/20191126/7805bc4b/attachment.html>

More information about the SMWG mailing list