[MLS] Re: New drafts

[Konrad Kohbrok <[e-mail]>]

There’s no rush. If the chairs allow we’ll have time for discussion and feedback at the meeting.

I just realised that I forgot to include links.

- SSKP: https://ratchet.ing/draft-kohbrok-single-signature-keypackages/draft-kohbrok-mls-single-signature-keypackages.html
- DMLS: https://phnx-im.github.io/dmls-spec/draft-kohbrok-mls-dmls.html
- Virtual clients: https://ratchet.ing/mls-virtual-clients/draft-kohbrok-mls-virtual-clients.html
- https://ratchet.ing/draft-kohbrok-mls-leaf-operation-intents/draft-kohbrok-mls-leaf-operation-intents.html

[1]: Brendan’s original subgroup draft https://www.ietf.org/archive/id/draft-mcmillion-mls-subgroups-00.html

> On 21. Oct 2025, at 15:31, Rohan Mahy <[e-mail]> wrote:
> 
> Hi Konrad,
> Thanks for the quick summary. I'm just recovering from the draft deadline, so I haven't had a chance to look at any of these yet, but I am very keen on virtual clients/subtrees. I'll have a look at the other three drafts and give feedback over the next week and a half.
> Thanks,
> -rohan
> 
> On Tue, Oct 21, 2025 at 3:21 PM Konrad Kohbrok <[e-mail]> wrote:
> Hi everyone,
> 
> We uploaded a few new drafts for discussion at the upcoming IETF 124. Here’s the TL;DR on each of them.
> 
> - Single Signature KeyPackage: KeyPackages with only one signature. If the group is interested, we could try something similar for commits.
> 
> - DMLS/Fork Resilient MLS: I’ve cut the draft to its essence. If people are interested in the general approach, I’d like to know what is needed to push this towards adoption.
> 
> - Virtual clients: We added a bunch of concrete protocol details, although a few gaps remain. Notably, we have moved away from the challenge based application message approach to the one proposed by Brendan [1].
> 
> - LeafOperationIntents: I applied the suggestions by Samir, removed the update functionality and included the ability to remove multiple clients at once. Again, I’d like to know if there is enough interest for me to continue working on this.
> 
> Cheers,
> Konrad
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