I agree to review and comment. Note that I am provisionally negative to the
idea itself, and my review may reflect that. Vixie
On March 27, 2017 4:56:58 PM CDT, Dave Lawrence <[email protected]> wrote:
>One of the two drafts I wanted to talk about at dnsop today for WG
>adoption was "Serving Stale Data to Improve DNS Resiliency":
>https://datatracker.ietf.org/doc/draft-tale-dnsop-serve-stale/
>
>In short, this describes a method for increasing DNS resiliency by
>treating the inability to refresh data after TTL expiration as a soft
>error, eventually becoming a hard error if the authoritative server
>failures are not remedied.
>
>This basic algorithm has been in use at Akamai for six years now and
>helped us avoid numerous incidents. I'd implemented it in BIND and
>the patches were recently contributed to ISC.
>
>There are relevant patents in the area held by Google and
>Akamai/Xerocole. I'm still waiting for the official statement from
>Akamai lawyers about it, but given that we contributed to the code to
>ISC for release under the Mozilla Public License I don't expect any
>really issue here.
>
>Warren and I are hoping for WG adoption.
>
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