On Fri, Aug 7, 2020 at 7:04 PM John Levine <[email protected]> wrote: > In article < > cachr6swgjo889gkmk0ae-76ntsrp799jmm8rbqadrko+xvw...@mail.gmail.com> you > write: > >Assuming this traffic is encrypted, which I am in favor of, the CPU load > on > >the authoritative server will increase after an outage or network problem. > > > >Is this already factored in? > > How is that diffferent from now? If a DNS server is offline and comes > back online, it will see a bunch of queries. >
The issue is that connection establishment will be expensive, which is something separate from getting a bunch of queries. As others have pointed out, this cost will be amortized to almost nothing most of the time. After an outage, this connection establishment cost will have to be dealt with in parallel. I don't have an opinion on whether this should be implementation guidance, or even in the spec. thanks, Rob
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