Re: [DNSOP] SRV and HTTP
"Patrik Fältström " <paf@frobbit.se> Wed, 11 July 2018 05:53 UTC
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From: Patrik Fältström <paf@frobbit.se>
To: Mark Andrews <marka@isc.org>
Cc: Mark Nottingham <mnot@mnot.net>, DoH WG <doh@ietf.org>, Adam Roach <adam@nostrum.com>, driu@ietf.org, dnsop@ietf.org, HTTP Working Group <ietf-http-wg@w3.org>, Joe Abley <jabley@hopcount.ca>
Date: Wed, 11 Jul 2018 07:53:35 +0200
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Subject: Re: [DNSOP] SRV and HTTP
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On 11 Jul 2018, at 3:30, Mark Andrews wrote: > I think there are three main objections. > > 1) Wildcards don’t work with prefixes. > 2) Additional data isn’t always returned it may require multiple round trips. > 3) Additional data processing doesn’t support negative responses. 4) Various libraries in PHP and ultimately lib curl do not include SRV in the resolution 5) New resource record types are very hard to implement (same argument as why we use TXT for SPF and not SPF for example) 6) You "only" change hostname with SRV and not a "complete change of the URL" > All of these issues are trivially easy to fix. It just require willingness to implement. > > 1) is addressed by defining a new type(s) rather than using prefixes. > 2) is addressed by getting recursive servers to fill in missing additional data before returning. Named has code in review for this for SRV as proof of concept. > 3) is addressed by adding some signalling between the client and recursive server to indicate if the additional section is complete or not. 4) Is of course "just code" in lib curl and what not 5) Is like (4) but possibly harder if you want it implemented in PHP, javascript etc and not in the underlying libraries 6) This is why I came up with URI which is supposed to be a competitor to "well known URI" paf
- Re: [DNSOP] Resolverless DNS Side Meeting in Mont… Philip Homburg
- Re: [DNSOP] Resolverless DNS Side Meeting in Mont… Paul Vixie
- Re: [DNSOP] [Doh] Resolverless DNS Side Meeting i… manu tman
- Re: [DNSOP] Resolverless DNS Side Meeting in Mont… Patrick McManus
- Re: [DNSOP] [Doh] Resolverless DNS Side Meeting i… Tim Wicinski
- Re: [DNSOP] [Doh] Resolverless DNS Side Meeting i… Patrick McManus
- Re: [DNSOP] [Doh] Resolverless DNS Side Meeting i… Joe Abley
- Re: [DNSOP] [Doh] Resolverless DNS Side Meeting i… Paul Wouters
- Re: [DNSOP] [Doh] Resolverless DNS Side Meeting i… Adam Roach
- Re: [DNSOP] Resolverless DNS Side Meeting in Mont… Paul Wouters
- Re: [DNSOP] [Driu] Resolverless DNS Side Meeting … Patrick McManus
- Re: [DNSOP] [Driu] Resolverless DNS Side Meeting … Ted Lemon
- [DNSOP] Resolverless DNS Side Meeting in Montreal Patrick McManus
- Re: [DNSOP] [Doh] Resolverless DNS Side Meeting i… Dave Lawrence
- Re: [DNSOP] [Doh] Resolverless DNS Side Meeting i… Adam Roach
- Re: [DNSOP] [Doh] Resolverless DNS Side Meeting i… Joe Abley
- Re: [DNSOP] [Driu] [Doh] Resolverless DNS Side Me… Ted Lemon
- Re: [DNSOP] [Driu] [Doh] Resolverless DNS Side Me… Joe Abley
- Re: [DNSOP] [Doh] Resolverless DNS Side Meeting i… Adam Roach
- Re: [DNSOP] [Driu] [Doh] Resolverless DNS Side Me… Adam Roach
- Re: [DNSOP] [Driu] [Doh] Resolverless DNS Side Me… Ted Lemon
- Re: [DNSOP] [Doh] Resolverless DNS Side Meeting i… Patrick McManus
- Re: [DNSOP] [Doh] Resolverless DNS Side Meeting i… Tony Finch
- Re: [DNSOP] [Driu] [Doh] Resolverless DNS Side Me… Philip Homburg
- Re: [DNSOP] [Doh] [Driu] Resolverless DNS Side Me… Adam Roach
- Re: [DNSOP] [Driu] [Doh] Resolverless DNS Side Me… Ryan Sleevi
- Re: [DNSOP] [Doh] Resolverless DNS Side Meeting i… Dave Lawrence
- Re: [DNSOP] [Doh] Resolverless DNS Side Meeting i… Joe Abley
- Re: [DNSOP] [Doh] Resolverless DNS Side Meeting i… Adam Roach
- Re: [DNSOP] [Driu] [Doh] Resolverless DNS Side Me… Paul Wouters
- Re: [DNSOP] [Doh] Resolverless DNS Side Meeting i… Dave Lawrence
- Re: [DNSOP] [Driu] [Doh] Resolverless DNS Side Me… Mike Bishop
- Re: [DNSOP] [Doh] Resolverless DNS Side Meeting i… Daniel Kahn Gillmor
- Re: [DNSOP] [Driu] [Doh] Resolverless DNS Side Me… Ryan Sleevi
- [DNSOP] SRV and HTTP Mark Nottingham
- Re: [DNSOP] SRV and HTTP Ólafur Guðmundsson
- Re: [DNSOP] SRV and HTTP Mark Andrews
- Re: [DNSOP] SRV and HTTP Mark Nottingham
- Re: [DNSOP] SRV and HTTP Mark Andrews
- Re: [DNSOP] SRV and HTTP Dave Lawrence
- Re: [DNSOP] SRV and HTTP Dave Lawrence
- Re: [DNSOP] SRV and HTTP Mark Andrews
- Re: [DNSOP] SRV and HTTP - 18:30 Tuesday Mark Nottingham
- Re: [DNSOP] SRV and HTTP John Levine
- Re: [DNSOP] SRV and HTTP Evan Hunt
- Re: [DNSOP] SRV and HTTP John R Levine
- Re: [DNSOP] SRV and HTTP Mark Andrews
- Re: [DNSOP] SRV and HTTP Patrik Fältström
- Re: [DNSOP] SRV and HTTP Patrik Fältström
- Re: [DNSOP] SRV and HTTP Mark Andrews
- Re: [DNSOP] [Doh] [Driu] Resolverless DNS Side Me… Petr Špaček
- Re: [DNSOP] [Ext] Re: [Doh] [Driu] Resolverless D… Edward Lewis
- Re: [DNSOP] SRV and HTTP Leif Hedstrom
- Re: [DNSOP] SRV and HTTP Patrik Fältström
- Re: [DNSOP] [Doh] [Driu] Resolverless DNS Side Me… Mike Bishop
- Re: [DNSOP] SRV and HTTP Nico Williams
- Re: [DNSOP] [Doh] SRV and HTTP Joseph Lorenzo Hall
- Re: [DNSOP] SRV and HTTP Mark Andrews
- Re: [DNSOP] SRV and HTTP Nico Williams
- Re: [DNSOP] SRV and HTTP Mark Andrews
- Re: [DNSOP] SRV and HTTP - 18:30 Tuesday (room ch… Mark Nottingham
- Re: [DNSOP] [Doh] SRV and HTTP - 18:30 Tuesday (r… Shane Kerr
- Re: [DNSOP] [Driu] [Doh] SRV and HTTP - 18:30 Tue… Jim Reid
- Re: [DNSOP] [Doh] SRV and HTTP - 18:30 Tuesday (r… Tim Wicinski
- Re: [DNSOP] [Doh] SRV and HTTP - 18:30 Tuesday (r… Ray Bellis
- Re: [DNSOP] [Driu] [Doh] SRV and HTTP - 18:30 Tue… Tony Finch
- Re: [DNSOP] Resolverless DNS Side Meeting in Mont… Patrick McManus
- Re: [DNSOP] [Doh] SRV and HTTP - 18:30 Tuesday (r… Sebastiaan Deckers
- Re: [DNSOP] [Doh] SRV and HTTP - 18:30 Tuesday (r… Adam Roach
- Re: [DNSOP] [Doh] SRV and HTTP - 18:30 Tuesday (r… Adam Roach