On Wed, Jun 11, 2014 at 09:37:36PM +0200, Kim Alvefur wrote:
> > This suggestion breaks cross-domain hosting:
> >
> > _service.example.org. IN SRV 0 0 12345 server.example.net.
> >
> > The server.example.net hosting provider can obtain certs for its
> > own name, managing certs from each hosted domain is a significant
> > burden.
>
> Then how is server.example.net supposed to know that you want to talk to
> example.org? "its equivalent" is said to be the stream addressing
> earlier which makes this weird.
In-band signalling. "Host:" headers with HTTP, "RCPT TO:" with
SMTP, user login with IMAP, ... Demultiplexing at the application
layer is rather common.
--
Viktor.
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