[ksk-rollover] Courtesy advance notification: Announcing Draft Plan for Continuing With the Root KSK Roll

Matt Larson matt.larson at icann.org
Thu Feb 1 19:15:06 UTC 2018

Based on some feedback we've received, I want to make sure my original message was clear. The published plan is a draft and the proposed date of October 11, 2018 to roll the root KSK is tentative until the plan is finalized pending further community feedback. In particular, we're holding a formal ICANN public comment on the plan. That public comment period is now open and the details are here:


I encourage everyone to please take the time to comment and let us know what you think of the plan. If you have different criteria that you think we should use in deciding how and when to proceed with the rollover, please tell us in a comment.



On Feb 1, 2018, at 7:31 AM, Matt Larson <matt.larson at icann.org<mailto:matt.larson at icann.org>> wrote:

Dear colleagues,

Thank you for your feedback on criteria for continuing with the root KSK roll. Based on the discussion here, ICANN has made a plan for continuing with the root KSK roll and today we are announcing that plan, which is published here:


We're also opening a public comment period to receive wider community feedback. Below is the text of a blog post that will appear on icann.org<http://icann.org/> at around 0900 PST.

Thanks and please let me know if you have any questions.


Announcing Draft Plan For Continuing With The KSK Roll
By Matt Larson, VP of Research, Office of Chief Technology Officer
A formal ICANN public comment period has been opened to receive community input on a draft plan<https://www.icann.org/en/system/files/files/plan-continuing-root-ksk-rollover-01feb18-en.pdf> to proceed with the KSK rollover project. This comment period will run until 1 April 2018 and we are eager to receive any and all comments.
The plan calls for rolling the root zone KSK on 11 October 2018 (one year later than originally planned), continuing extensive outreach to notify as many resolver operators as possible, and publishing more observations of the RFC 8145 trust anchor report data. Additional details are contained within the plan.
In addition, we are planning a session at ICANN61 in Puerto Rico, to further discuss the plan and obtain additional feedback.
The draft plan follows our posting<https://www.icann.org/news/blog/update-on-the-root-ksk-rollover-project> in late December, in which the ICANN organization announced next steps in the process to resume the root KSK rollover project. We described our efforts to track down the operators of DNS resolvers that were not ready for the rollover.
Using a protocol described in RFC 8145<https://tools.ietf.org/rfc/rfc8145.txt>, these problematic resolvers had reported to the root servers a trust anchor configuration with only the current KSK (known as KSK-2010) and not the newer  KSK (known as KSK-2017).
In our December posting we also detailed the difficulty in contacting operators, and noted that when we were able to reach an operator, we learned that there were a variety of causes for the resolver’s lagging configuration.
The bottom line is that these findings did not afford much clarity as to the next steps for mitigating specific causes nor did they afford any guidance for appropriate messaging. Faced with this situation, we announced our intention to solicit input from the community on acceptable criteria for proceeding with the root KSK roll.
Since that posting in December, a robust community discussion ensued between interested community members. There was agreement during these discussions that there is no way to accurately measure the number of users who would be affected by rolling the root KSK, even though there was a belief that better measurements may become available for future KSK rollovers.
The consensus of those involved in the discussions was that the ICANN org should proceed with rolling the root zone KSK in a timely fashion while continuing outreach to ensure that the word of the rollover reach as wide an audience as possible.
We look forward to continuing to work with the ICANN community to roll the root zone KSK.

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