Re: [dnsext] we need help to make names the same, was draft-yao-dnsext-identical-resolution-02 comment
John Levine <johnl@iecc.com> Wed, 16 February 2011 03:21 UTC
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Date: Wed, 16 Feb 2011 03:21:20 -0000
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From: John Levine <johnl@iecc.com>
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Subject: Re: [dnsext] we need help to make names the same, was draft-yao-dnsext-identical-resolution-02 comment
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>* A solution must not (should not?) require client changes to be useful; To me this is the key issue. If you just want something that will return similar DNS records for all of variants of a name, the technical issues are pretty straightforward. But as has often been noted, many protocols such as HTTP and SMTP depend on the actual domain name, so nothing the DNS does to make stuff "the same" will make variants of a domain name work. Considering the number of variants that a name can have, e.g., M^N for any name with N characters that have M variants, any approach that provisions the HTTP and SMTP servers manually is likely to fail in practice, since the various lists of equivalent domains will always get out of sync. It would not be absurd to argue that the most reasonable way to solve the provisioning issues is for the SMTP and HTTP servers to ask the DNS what the canonical name for an otherwise unknown name is, so those servers are just provisioned with the canonical name and an "allow variants" flag. I'm pretty tight with the SMTP crowd, and I have no idea how such a proposal would be received, although once they understand the problem, I suspect they'd eventually agree this was the least bad option. No idea what HTTP and any other protocols that use the domain name would do, but I think it's the reasonable approach. Regards, John Levine, johnl@iecc.com, Primary Perpetrator of "The Internet for Dummies", Please consider the environment before reading this e-mail. http://jl.ly _______________________________________________ dnsext mailing list dnsext@ietf.org https://www.ietf.org/mailman/listinfo/dnsext
- Re: [dnsext] DNSEXT progress and possible meeting… Vaggelis Segredakis
- Re: [dnsext] DNSEXT progress and possible meeting… Suzanne Woolf
- [dnsext] DNSEXT progress and possible meeting at … Olafur Gudmundsson
- [dnsext] draft-yao-dnsext-identical-resolution-02… Vaggelis Segredakis
- Re: [dnsext] draft-yao-dnsext-identical-resolutio… Suzanne Woolf
- Re: [dnsext] draft-yao-dnsext-identical-resolutio… Vaggelis Segredakis
- Re: [dnsext] draft-yao-dnsext-identical-resolutio… Andrew Sullivan
- Re: [dnsext] draft-yao-dnsext-identical-resolutio… Suzanne Woolf
- Re: [dnsext] draft-yao-dnsext-identical-resolutio… Andrew Sullivan
- Re: [dnsext] draft-yao-dnsext-identical-resolutio… Masataka Ohta
- Re: [dnsext] we need help to make names the same,… John Levine
- Re: [dnsext] we need help to make names the same,… Jay Ashworth
- Re: [dnsext] we need help to make names the same,… Masataka Ohta
- Re: [dnsext] we need help to make names the same,… John Levine
- Re: [dnsext] we need help to make names the same,… Alex Bligh
- Re: [dnsext] we need help to make names the same,… John R. Levine
- Re: [dnsext] we need help to make names the same,… Masataka Ohta
- Re: [dnsext] we need help to make names the same,… Alex Bligh
- Re: [dnsext] we need help to make names the same,… Tony Finch
- Re: [dnsext] we need help to make names the same,… Masataka Ohta
- Re: [dnsext] we need help to make names the same,… Masataka Ohta
- Re: [dnsext] we need help to make names the same,… Vaggelis Segredakis
- Re: [dnsext] we need help to make names the same,… Andrew Sullivan
- Re: [dnsext] we need help to make names the same,… Andrew Sullivan
- Re: [dnsext] we need help to make names the same,… Lawrence Conroy
- Re: [dnsext] we need help to make names the same,… Alex Bligh
- Re: [dnsext] we need help to make names the same,… Nicholas Weaver
- Re: [dnsext] we need help to make names the same,… Andrew Sullivan
- Re: [dnsext] we need help to make names the same,… John R. Levine
- Re: [dnsext] we need help to make names the same,… John R. Levine
- Re: [dnsext] we need help to make names the same,… Masataka Ohta
- Re: [dnsext] we need help to make names the same,… Mark Andrews
- Re: [dnsext] we need help to make names the same,… Mark Andrews
- Re: [dnsext] we need help to make names the same,… Mark Andrews
- Re: [dnsext] we need help to make names the same,… Doug Barton
- Re: [dnsext] we need help to make names the same,… John Levine
- Re: [dnsext] we need help to make names the same,… Mark Andrews
- Re: [dnsext] we need help to make names the same,… Vaggelis Segredakis
- Re: [dnsext] we need help to make names the same,… Vaggelis Segredakis
- Re: [dnsext] we need help to make names the same,… Vaggelis Segredakis
- Re: [dnsext] we need help to make names the same,… Vaggelis Segredakis
- Re: [dnsext] we need help to make names the same,… Tony Finch
- Re: [dnsext] we need help to make names the same,… Masataka Ohta
- Re: [dnsext] we need help to make names the same,… Niall O'Reilly
- Re: [dnsext] we need help to make names the same,… Danny Mayer
- Re: [dnsext] we need help to make names the same,… Vaggelis Segredakis
- Re: [dnsext] we need help to make names the same,… Vaggelis Segredakis
- Re: [dnsext] we need help to make names the same,… Jay Ashworth
- Re: [dnsext] we need help to make names the same,… Jay Ashworth
- Re: [dnsext] we need help to make names the same,… Andrew Sullivan
- Re: [dnsext] we need help to make names the same,… Mark Andrews
- Re: [dnsext] we need help to make names the same,… Danny Mayer
- Re: [dnsext] we need help to make names the same,… Mark Andrews
- Re: [dnsext] we need help to make names the same,… Danny Mayer
- Re: [dnsext] we need help to make names the same,… Mark Andrews
- Re: [dnsext] we need help to make names the same,… Brian Dickson
- [dnsext] SRV and wildcard CNAME Masataka Ohta
- Re: [dnsext] we need help to make names the same,… Patrik Fältström
- Re: [dnsext] we need help to make names the same,… John R. Levine
- Re: [dnsext] we need help to make names the same,… Masataka Ohta
- Re: [dnsext] we need help to make names the same,… Patrik Fältström
- Re: [dnsext] we need help to make names the same,… Masataka Ohta
- Re: [dnsext] we need help to make names the same,… Danny Mayer
- Re: [dnsext] we need help to make names the same,… Suzanne Woolf
- Re: [dnsext] we need help to make names the same,… Andrew Sullivan
- Re: [dnsext] we need help to make names the same,… Paul Vixie
- Re: [dnsext] we need help to make names the same,… Doug Barton
- Re: [dnsext] we need help to make names the same,… Andrew Sullivan
- Re: [dnsext] we need help to make names the same,… Doug Barton
- Re: [dnsext] we need help to make names the same,… Mark Andrews
- Re: [dnsext] we need help to make names the same,… Andrew Sullivan
- Re: [dnsext] we need help to make names the same,… Doug Barton
- Re: [dnsext] we need help to make names the same,… Eric Brunner-Williams
- Re: [dnsext] SRV and wildcard CNAME Phillip Hallam-Baker
- Re: [dnsext] we need help to make names the same,… Jay Ashworth
- Re: [dnsext] we need help to make names the same,… Phillip Hallam-Baker
- Re: [dnsext] we need help to make names the same,… Tony Finch
- Re: [dnsext] SRV and wildcard CNAME Masataka Ohta
- Re: [dnsext] SRV and wildcard CNAME Mark Andrews
- Re: [dnsext] SRV and wildcard CNAME Masataka Ohta
- Re: [dnsext] SRV and wildcard CNAME Mark Andrews
- Re: [dnsext] SRV and wildcard CNAME Masataka Ohta
- Re: [dnsext] SRV and wildcard CNAME Larry Brower
- Re: [dnsext] SRV and wildcard CNAME Masataka Ohta
- Re: [dnsext] SRV and wildcard CNAME Phillip Hallam-Baker
- Re: [dnsext] SRV and wildcard CNAME Mark Andrews
- Re: [dnsext] SRV and wildcard CNAME Masataka Ohta
- Re: [dnsext] SRV and wildcard CNAME Masataka Ohta
- Re: [dnsext] SRV and wildcard CNAME Phillip Hallam-Baker
- Re: [dnsext] slave signing, was does making names… Phillip Hallam-Baker
- Re: [dnsext] we need help to make names the same,… Vaggelis Segredakis
- Re: [dnsext] we need help to make names the same,… Phillip Hallam-Baker
- Re: [dnsext] we need help to make names the same,… Eric Brunner-Williams
- Re: [dnsext] we need help to make names the same,… Masataka Ohta
- Re: [dnsext] we need help to make names the same,… Andrew Sullivan
- Re: [dnsext] we need help to make names the same,… Masataka Ohta
- [dnsext] bi-directionality Masataka Ohta
- Re: [dnsext] we need help to make names the same,… Nicholas Weaver
- Re: [dnsext] we need help to make names the same,… Masataka Ohta
- Re: [dnsext] we need help to make names the same,… Nicholas Weaver
- Re: [dnsext] we need help to make names the same,… Phillip Hallam-Baker
- Re: [dnsext] we need help to make names the same,… Masataka Ohta
- Re: [dnsext] we need help to make names the same,… Tony Finch
- Re: [dnsext] we need help to make names the same,… Tony Finch
- Re: [dnsext] we need help to make names the same,… Tony Finch
- Re: [dnsext] we need help to make names the same,… Nicholas Weaver
- Re: [dnsext] we need help to make names the same,… Eric Brunner-Williams
- Re: [dnsext] we need help to make names the same,… Phillip Hallam-Baker
- Re: [dnsext] we need help to make names the same,… Nicholas Weaver
- Re: [dnsext] we need help to make names the same,… Donald Eastlake
- Re: [dnsext] we need help to make names the same,… Masataka Ohta
- Re: [dnsext] we need help to make names the same,… Tony Finch
- Re: [dnsext] we need help to make names the same,… Phillip Hallam-Baker
- Re: [dnsext] we need help to make names the same,… Tony Finch
- Re: [dnsext] we need help to make names the same,… Phillip Hallam-Baker
- Re: [dnsext] we need help to make names the same,… Phillip Hallam-Baker
- Re: [dnsext] we need help to make names the same,… Tony Finch
- Re: [dnsext] we need help to make names the same,… Nicholas Weaver
- Re: [dnsext] we need help to make names the same,… Phillip Hallam-Baker
- Re: [dnsext] we need help to make names the same,… Nicholas Weaver
- Re: [dnsext] we need help to make names the same,… Eric Brunner-Williams
- Re: [dnsext] we need help to make names the same,… Alex Nicoll
- Re: [dnsext] we need help to make names the same,… Tony Finch
- [dnsext] does making names the same NEED protocol… Nicholas Weaver
- Re: [dnsext] does making names the same NEED prot… Phillip Hallam-Baker
- Re: [dnsext] does making names the same NEED prot… Nicholas Weaver
- Re: [dnsext] does making names the same NEED prot… Alex Bligh
- Re: [dnsext] does making names the same NEED prot… Suzanne Woolf
- Re: [dnsext] does making names the same NEED prot… Andrew Sullivan
- Re: [dnsext] does making names the same NEED prot… Phillip Hallam-Baker
- Re: [dnsext] does making names the same NEED prot… Tony Finch
- Re: [dnsext] does making names the same NEED prot… Alex Bligh
- Re: [dnsext] slave signing, was does making names… John Levine
- Re: [dnsext] does making names the same NEED prot… Phillip Hallam-Baker
- Re: [dnsext] does making names the same NEED prot… Andrew Sullivan
- Re: [dnsext] does making names the same NEED prot… Phillip Hallam-Baker
- Re: [dnsext] does making names the same NEED prot… Tony Finch
- Re: [dnsext] does making names the same NEED prot… Michael Graff
- Re: [dnsext] does making names the same NEED prot… Nicholas Weaver
- Re: [dnsext] does making names the same NEED prot… Andrew Sullivan
- Re: [dnsext] does making names the same NEED prot… Nicholas Weaver
- Re: [dnsext] does making names the same NEED prot… Brian Dickson
- Re: [dnsext] does making names the same NEED prot… Andrew Sullivan
- Re: [dnsext] does making names the same NEED prot… Ted Hardie
- Re: [dnsext] slave signing, was does making names… John Levine
- Re: [dnsext] slave signing, was does making names… Phillip Hallam-Baker
- Re: [dnsext] the same in old days, was making nam… John Levine
- Re: [dnsext] slave signing, was does making names… John Levine
- Re: [dnsext] the same in old days, was making nam… Alex Bligh
- Re: [dnsext] the same in old days, was making nam… John R. Levine
- Re: [dnsext] the same in old days, was making nam… Alex Bligh
- Re: [dnsext] the same in old days, was making nam… John R. Levine
- Re: [dnsext] the same in old days, was making nam… Phillip Hallam-Baker
- Re: [dnsext] the same in old days, was making nam… Ted Hardie
- Re: [dnsext] the same in old days, was making nam… Eric Brunner-Williams
- Re: [dnsext] the same in old days, was making nam… Ted Hardie
- Re: [dnsext] the same in old days, was making nam… Eric Brunner-Williams
- [dnsext] Terminological precision (was: the same … Andrew Sullivan
- Re: [dnsext] the same in old days, was making nam… Ted Hardie
- Re: [dnsext] does making names the same NEED prot… Olafur Gudmundsson
- Re: [dnsext] the same in old days, was making nam… Doug Barton