> On Mar 14, 2019, at 5:58 PM, Shane Kerr <shane@time-travellers.org> wrote:
>
> Personally I would like to see rolls frequent enough that everything around a roll is automated.
I mostly agree. I think the key thing is that key rolls must be *normal* and the software therefore designed with that assumption. For developers to believe that it is normal, it must be "frequent enough", whatever that means. I personally might vote for "quarterly" or "annual" if the implication is only that operators needed to be aware that it was happening in case something breaks, and 2-3 years might actually be OK, but for sure not "every five years".
So, my original "gut feel" was approximately every year, and I still feel that that is roughly the right frequency -- but, I think that we first need to figure out what the cause of the increase in DNSKEY lookups is - it concerns me that we predicted no impact from the revocation, and we got... this. I think that, assuming we figure out the causes of the increase (and understand them well enough that we are fairly sure that they won't jump again!), my gut still says ~1year -- but, more research needed...
W
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Victorious warriors win first and then go to war,
Defeated warriors go to war first and then seek to win.
Sun Tzu
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I don't think the execution is relevant when it was obviously a bad idea in the first place.
This is like putting rabid weasels in your pants, and later expressing regret at having chosen those particular rabid weasels and that pair of pants.
---maf