On 24 Apr 2018, at 15:02, Ondřej Surý wrote:

And the MR was peer-review and merged into BIND master branch with intent to backport the feature into older release branches.

I don’t think it’s a useful or helpful to change the rules for existing adopted work.

Nobody is changing the rules (yet - but we can dream!); some people are just being more vocal about the real need for implementation experience.

We need to have a discussion on the mechanisms that would allow implementors to know when to start the implementation of existing draft.

I don’t think what we need here is more ‘procedure’. Either a draft manages to get (at least one) implementer involved early - or the draft is most likely not worth pursuing.

From implementors point, it makes little sense to start implementing before the protocol change is almost fully baked (aka WGLC and further), because until then the protocol might change considerably.

It makes little sense to call a protocol change ‘fully baked’ if nobody has checked that implementation is even possible.

So, if we require implementation report further down the road, it needs to be more clearly defined than people suddenly shouting “this is not ready” when WGLC starts. And while the attempt to implement something is certainly useful to get valuable feedback, it also imposes some costs (with undefined limit) on implementors (especially the open source implementors) and it sort of discards the whole “Proposed Standard” -> “Internet Standard” classification at global IETF level.

The costs are the very best reason to demand implementation experience before calling something ‘fully baked’. If a draft has real merit, somebody will invest time/money. If it does not have merit, nobody will implement, and the draft will die the death it deserves. In other words, a draft needs to put its money where its mouth is. This way, drafts that actually help operations (this is dnsOP, after all) will get the attention they need, while other drafts may wither away - and that’s a good thing.

Kind regards,
--
Peter van Dijk
PowerDNS.COM BV - https://www.powerdns.com/

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