Re: [DNSOP] Quick review of draft-dwmtwc-dnsop-caching-resolution-failures-00

2022-07-13 Thread Mukund Sivaraman
Hi Duane On Tue, Jul 12, 2022 at 09:41:45PM +, Wessels, Duane wrote: > >> 3.2. TTLs > > > >> Resolvers MUST cache resolution failures for at least 5 seconds. > >> Resolvers SHOULD employ an exponential backoff algorithm to increase > >> the amount of time for subsequent resolution fail

Re: [DNSOP] Quick review of draft-dwmtwc-dnsop-caching-resolution-failures-00

2022-07-12 Thread Wessels, Duane
Hi Mukund, > On Jul 12, 2022, at 8:24 AM, Mukund Sivaraman wrote: > > Some comments quickly browsing this draft, as we're handling a quirky > issue around NS timeouts and it looked relevant. > > Firstly, some resolver implementations do cache upstream NS timeouts in > various non-standard ways.