Re: [dnsext] RFC3596: A/AAAA records and additional section processing
Dave Lawrence <tale@dd.org> Fri, 04 March 2011 16:37 UTC
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Date: Fri, 04 Mar 2011 11:38:58 -0500
From: Dave Lawrence <tale@dd.org>
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Subject: Re: [dnsext] RFC3596: A/AAAA records and additional section processing
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Colm MacCárthaigh writes: > 2011/3/3 Mark Andrews <marka@isc.org>: > > No. That is not addition section processing. That is referral > > processing. Additional section processing would be returning A > > and AAAA to NS queries. > > dig AAAA www.google.com @a.root-servers.net. > and > dig NS www.google.com @a.root-servers.net. > return literally byte-identical responses after the question section. > > I find it hard to reason about what the difference is. At a delegating parent there is no meaningful difference because the referral processing will always happen before additional processing can even be considered. There's quite a meaningful difference at the actual authority, however. dig a www.google.com @ns1.google.com dig aaaa www.google.com @ns1.google.com dig ns www.google.com @ns1.google.com
- [dnsext] RFC3596: A/AAAA records and additional s… Jehan Pagès
- Re: [dnsext] RFC3596: A/AAAA records and addition… Colm MacCárthaigh
- Re: [dnsext] RFC3596: A/AAAA records and addition… Mark Andrews
- Re: [dnsext] RFC3596: A/AAAA records and addition… Jehan Pagès
- Re: [dnsext] RFC3596: A/AAAA records and addition… Colm MacCárthaigh
- Re: [dnsext] RFC3596: A/AAAA records and addition… Mark Andrews
- Re: [dnsext] RFC3596: A/AAAA records and addition… Dave Lawrence
- Re: [dnsext] RFC3596: A/AAAA records and addition… Dave Lawrence
- Re: [dnsext] RFC3596: A/AAAA records and addition… Jehan Pagès