- From: Martin Thomson <martin.thomson@gmail.com>
- Date: Mon, 11 Feb 2013 14:43:27 -0800
- To: Phillip Hallam-Baker <hallam@gmail.com>
- Cc: Eliot Lear <lear@cisco.com>, Mark Nottingham <mnot@mnot.net>, Mike Belshe <mike@belshe.com>, "ietf-http-wg@w3.org Group" <ietf-http-wg@w3.org>, Patrick McManus <pmcmanus@mozilla.com>
I'm not saying that it's a good design, but... DKIM uses an underscore prefixed sub-domain and TXT. On 11 February 2013 07:54, Phillip Hallam-Baker <hallam@gmail.com> wrote: > We really should not be using TXT here because any record that is specific > to a protocol needs to have a prefix so that a query can be made for just > the records relevant to that protocol. Otherwise the DNS UDP response limit > is quickly exceeded. > > I much prefer to go for a text encoded tag value pair approach for > application level attributes because that allows the same syntax to be used > in the HTTP (or whatever) header and the DNS record. > > More generally though, I think that if we are going to introduce a new > record it should be a record that allows for more than just HTTP version > agility which is essentially one bit of information. Making a UDP round trip > for a single bit of information seems excessive. > > I would rather see any DNS work as being an application layer proposal that > should support all application transports and in particular allow > negotiation between HTTP, HTTPS and COAP transports. > > > On Mon, Feb 11, 2013 at 10:25 AM, Eliot Lear <lear@cisco.com> wrote: >> >> [Note I'm on vacation and avoiding the computer] >> >> On 2/11/13 6:17 AM, Mark Nottingham wrote: >> > Eliot - a major portion of the conversation was about whether this would >> > be in a new record type vs. in a TXT record. Do you plan to address that in >> > your next draft? >> > >> >> I think the conversation was about whether to a use a text formed record >> rather than a binary encoded one. Using TXT wouldn't be a good idea for >> any number of reasons. >> >> Eliot >> > > > > -- > Website: http://hallambaker.com/
Received on Monday, 11 February 2013 22:43:56 UTC