Re: [DNSOP] Clarifying referrals (#35)
Andrew Sullivan <ajs@anvilwalrusden.com> Mon, 13 November 2017 03:27 UTC
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From: Andrew Sullivan <ajs@anvilwalrusden.com>
To: dnsop@ietf.org
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Subject: Re: [DNSOP] Clarifying referrals (#35)
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Hi, This is quite a helpful response, thanks. I wonder whether more of it ought to go in discussion (or a new draft), however. For I'm struck by this: On Sun, Nov 12, 2017 at 06:42:18PM -0800, Paul Vixie wrote: > > always be generated using only local data, and either contains the > > answer to the question or a referral to other name servers "closer" to > > the desired information. > > the operative phrase is '"closer" to'. this is repeated in 4.3.1: If I ask the authoritative server for example.com about a name label.example.net, in a graph-theoretic sense the NS RRset for the root zone is clearly closer to label.example.net than anything else I can give. So the upward referral doesn't seem prohibited by this at all; on the contrary, it seems like a requirement. Maybe I need to read this again with better glasses. The current approaches that people have for this are either NODATA responses and REFUSED. Only the latter seems obviously consistent with the text, though I'm aware that there's controversy over using REFUSED here. A -- Andrew Sullivan ajs@anvilwalrusden.com
- [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) Stephane Bortzmeyer
- Re: [DNSOP] Clarifying referrals (#35) Paul Vixie
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) Paul Vixie
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) Paul Vixie
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) John Kristoff
- Re: [DNSOP] [Ext] Re: Clarifying referrals (#35) Edward Lewis
- [DNSOP] CDS polling, was Re: [Ext] Re: Clarifying… Tony Finch
- Re: [DNSOP] Clarifying referrals (#35) Paul Vixie
- Re: [DNSOP] Clarifying referrals (#35) Paul Vixie
- Re: [DNSOP] CDS polling, was Re: [Ext] Re: Clarif… Evan Hunt
- Re: [DNSOP] Clarifying referrals (#35) Matthew Pounsett
- Re: [DNSOP] CDS polling, was Re: [Ext] Re: Clarif… Edward Lewis
- Re: [DNSOP] CDS polling, was Re: [Ext] Re: Clarif… Paul Vixie
- Re: [DNSOP] Clarifying referrals (#35) Paul Vixie
- Re: [DNSOP] Clarifying referrals (#35) Matthew Pounsett
- Re: [DNSOP] Clarifying referrals (#35) Paul Vixie
- Re: [DNSOP] Clarifying referrals (#35) Matthew Pounsett
- Re: [DNSOP] Clarifying referrals (#35) Paul Vixie
- Re: [DNSOP] Clarifying referrals (#35) Robert Edmonds
- Re: [DNSOP] Clarifying referrals (#35) Evan Hunt
- Re: [DNSOP] CDS polling, was Re: [Ext] Re: Clarif… Mark Andrews
- Re: [DNSOP] CDS polling, was Re: [Ext] Re: Clarif… Evan Hunt
- [DNSOP] another draft (was Re: Clarifying referra… Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) Paul Vixie
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) Paul Vixie
- Re: [DNSOP] Clarifying referrals (#35) Evan Hunt
- Re: [DNSOP] Clarifying referrals (#35) Paul Vixie
- Re: [DNSOP] CDS polling, was Re: [Ext] Re: Clarif… Mark Elkins
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] CDS polling, was Re: [Ext] Re: Clarif… Tony Finch
- Re: [DNSOP] Clarifying referrals (#35) Evan Hunt
- Re: [DNSOP] CDS polling, was Re: [Ext] Re: Clarif… Jacques Latour
- Re: [DNSOP] Clarifying referrals (#35) Dave Lawrence
- Re: [DNSOP] Clarifying referrals (#35) Paul Vixie
- Re: [DNSOP] CDS polling, was Re: [Ext] Re: Clarif… Paul Wouters
- Re: [DNSOP] Clarifying referrals (#35) Tony Finch
- Re: [DNSOP] CDS polling, was Re: [Ext] Re: Clarif… Tony Finch
- Re: [DNSOP] Clarifying referrals (#35) Stephane Bortzmeyer
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) Mark Andrews
- Re: [DNSOP] Clarifying referrals (#35) Paul Vixie
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) Mark Andrews
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) Mark Andrews
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) Mark Andrews
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) Mark Andrews
- Re: [DNSOP] Clarifying referrals (#35) Mark Andrews
- Re: [DNSOP] Clarifying referrals (#35) Evan Hunt
- Re: [DNSOP] Clarifying referrals (#35) Paul Vixie
- Re: [DNSOP] Clarifying referrals (#35) Tony Finch
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) P Vix
- Re: [DNSOP] Clarifying referrals (#35) Mark Andrews
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) Tony Finch
- Re: [DNSOP] Clarifying referrals (#35) P Vix
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) Tony Finch
- Re: [DNSOP] Clarifying referrals (#35) Paul Hoffman
- Re: [DNSOP] Clarifying referrals (#35) Evan Hunt
- Re: [DNSOP] Clarifying referrals (#35) Evan Hunt
- Re: [DNSOP] Clarifying referrals (#35) Dick Franks
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) Dick Franks
- Re: [DNSOP] Clarifying referrals (#35) Tony Finch
- Re: [DNSOP] Clarifying referrals (#35) Dick Franks
- Re: [DNSOP] Clarifying referrals (#35) Tony Finch
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) Paul Vixie
- Re: [DNSOP] Clarifying referrals (#35) Florian Weimer
- Re: [DNSOP] Clarifying referrals (#35) Tony Finch
- Re: [DNSOP] Clarifying referrals (#35) Andrew Sullivan
- Re: [DNSOP] Clarifying referrals (#35) Bob Harold
- Re: [DNSOP] Clarifying referrals (#35) Evan Hunt
- Re: [DNSOP] Clarifying referrals (#35) Wessels, Duane
- Re: [DNSOP] Clarifying referrals (#35) Johannes Naab