Re: [Roll] I-D Action: draft-ietf-roll-enrollment-priority-08.txt

[Konrad Iwanicki <[e-mail]>]

Hi Michael,

On 11/05/2023 19:49, Michael Richardson wrote:
>> A diff from the previous version is available at:
>> https://author-tools.ietf.org/iddiff?url2=draft-ietf-roll-enrollment-priority-08
> 
> This version serves as a refresh since the ID expired in March.
> I added a priority-sequence lollipop counter.
> 
> This seemed way too easy.
> I will go back and find Konrad's review comments to understand what other
> considerations I am missing.

You can start from here:
https://github.com/roll-wg/draft-ietf-roll-enrollment-priority/pull/14/commits

> the new option format looks like:
> 
>          0                   1                   2                   3
>          0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
>         +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>         |   Type        |Opt Length = 4 |  exp  |     DODAG_Size        |
>         +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>         |R| min priority|  priority seq |
>         +-+-+-+-+-+-+-+-+---------------+
> 
> Does anyone object to having the priority-seq last?  It could go first.
> Are there any considerations here other than estetics?
> 
> The new text is:
> 
> priority seq
> : an 8-bit lollipop counter, as per {{!RFC6550, Section 7.2}}.  It is initialized to 128 (or greater) when the DODAG root restarts.  This sequence is incremented each time the DODAG root wishes to propogate new values.
> 
> [ed: I thought that there was text somewhere about starting at 248 or so, but
> I didn't find that yet]

Best,
-- 
- Konrad Iwanicki.