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Subject: RE: [cti] TAXII 2.1 CS Motion

Hi TC,


I object to this motion, based on the original goal to address several down-selection use-cases within TAXII 2.1 which have proposals ready  for TC evaluation that have not been resolved. The most recent proposal was provided in Dec 2019 and with “suggestion/edit” permissions regranted to TC members can be added for review with the TC documents.


As a member of this TC and member (in an addition to representative of other members) within the STIX/TAXII community, I truly appreciate and value all the work we have contributed to get to this point and anticipate supporting the remaining use-cases needed to increase the success of this TC and the ecosystems that will rely on what we provide.


Looking forward to TAXII 2.1,




From: Taylor, Marlon
Sent: Wednesday, January 8, 2020 5:37 PM
To: Justin Stewart <jstewart@lookingglasscyber.com>; Bret Jordan <bret.jordan@broadcom.com>; OASIS CTI TC Discussion List <cti@lists.oasis-open.org>
Subject: Re: [cti] TAXII 2.1 CS Motion


We have made several accomplishments however moving forward with TAXII 2.1 a CS without additional support for TAXII Filtering which has been long requested capability throughout the community and can be accomplished  via a minor spec change would be a disservice to the TC and TAXII community.


Looking forward to TAXII 2.1,




Marlon Taylor

Strategy & Resources

Cybersecurity and Infrastructure Security Agency

Office: 703 235-3614 | Cell: 202 603-8541 | Email: marlon.taylor@cisa.dhs.gov

From: cti@lists.oasis-open.org <cti@lists.oasis-open.org> on behalf of Justin Stewart <jstewart@lookingglasscyber.com>
Sent: Wednesday, January 8, 2020 5:14:11 PM
To: Bret Jordan <bret.jordan@broadcom.com>; OASIS CTI TC Discussion List <cti@lists.oasis-open.org>
Subject: Re: [cti] TAXII 2.1 CS Motion


I second this motion.



Justin Stewart

CTI-TC Interop SC co-chair


From: <cti@lists.oasis-open.org> on behalf of Bret Jordan <bret.jordan@broadcom.com>
Date: Wednesday, January 8, 2020 at 12:21 PM
To: OASIS CTI TC Discussion List <cti@lists.oasis-open.org>
Subject: [cti] TAXII 2.1 CS Motion




Over the past couple of years the CTI TC has done a lot of work on the TAXII 2.1 specification. During this time the TC has released 10 working drafts, 4 committee specification drafts, and 3 public reviews. The last public review for TAXII 2.1 was completed in December with no new comments or issues.


I am also pleased to report that all required sponsorship activities for TAXII 2.1 are complete. We now have at least 2 independent implementations of all new features and changes. Further all implementers have reported that the design works and it is implementable.


At this time, I believe we are ready to move forward. As such:


I move that the TC approves the CTI Chair(s) and TAXII Subcommittee Chair to request that the TC Administration hold a Special Majority Ballot to approve TAXII 2.1 Working Draft 10 / Committee Specification Draft 04 contained in https://www.oasis-open.org/committees/document.php?document_id=66205&wg_abbrev=cti as a Committee Specification.




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