Re: [core] CRI Extension for multiple schemes

[Christian Amsüss <[e-mail]>]

Hi Jim,

On Sat, Jun 13, 2020 at 10:21:59AM -0700, Jim Schaad wrote:
> [ ["coap", "coap+tls"], "example.com", ".well-known", "core"]

The protocol negotiation work has seen less activity than I'd like to
have put into it, but the latest proposals go in the direction of
avoiding URI aliasing altogether:

Even though a TLS transport is offered, the server would be addressed as
'coap://server/path' by virtue of an (explicit or, later, implied /
compressed) Proxy-Scheme option; links there would use the canonical
form and may contain hints in attributes expressing that "the target's
server is also accepting connections using this or that protocol".

Having a shortcut in CRIs sounds tempting, but I dread the
translatability to the rest of the web ecosystem where those are
unavailable, and the need to deal with aliased URIs in general.

KR
c

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