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Subject: Sponsors needed for STIX 2.1 CSD01 features



As we discussed during the TC call this week, the recent decision by the TC to adopt a set of criteria for including new features in releases means that just because we have specification text for something does NOT mean it is going into the release – the feature must meet all of the criteria required to be “Done”.  As described in the proposal that the TC approved, a feature is only considered “Done” when it:

  • has at least 2 independent organizations using at least 2 separate code bases running at least POC code with real or semi-real data that can interoperate, AND
  • has all normative specification text complete, AND
  • is covered by one or more interoperability tests and at least the 2 POC implementations pass those tests.


A new feature has 185 days (6 months) post-CSD ballot approval to show that it is done; if it does not meet the definition of done it will be removed from the next CSD.


Therefore, we are asking TC members to step up and offer to be “sponsors” of a feature. Sponsors are members that are interested in seeing a feature added and who are willing to help ensure that the feature meets all of the criteria for “Done”.  Please note that a feature can (and should have) multiple sponsors – the more the merrier. And it is important to note that just because you offer to sponsor a feature, it doesn’t mean that you have to do all of the work – you can (and should) collaborate with other TC members interested in that feature to ensure that all the requirements are met. But ultimately each feature needs at least two sponsors that will develop and test the proof of concept implementation of the feature.











Fujitsu, New Context (Tentative)


Symantec (Tentative), DC3 (Tentative)




Please take a look at the list of features above and consider which feature(s) your organization is willing to sponsor. If you are currently listed as a Tentative sponsor, please confirm if your organization is actually willing to commit to sponsor that feature.


Remember – if a feature does not meet the definition of “Done” within 185 days of CSD approval, that feature will be removed from the next CSD.  So, if your organization is counting on a particular feature, I urge you to sign up as a sponsor for it.


Please let me know if you have any questions.





Richard J. Struse


Chair, OASIS Cyber Threat Intelligence Technical Committee

Chief Strategist for Cyber Threat Intelligence

The MITRE Corporation

+1-703-983-7049 (office)

+1-703-342-8368 (mobile)

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