Re: [core] Tossing around URIs to use outside an application

Thomas Fossati <Thomas.Fossati@arm.com> Mon, 17 May 2021 13:38 UTC

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From: Thomas Fossati <Thomas.Fossati@arm.com>
To: =?utf-8?B?Q2hyaXN0aWFuIEFtc8O8c3M=?= <christian@amsuess.com>, "core@ietf.org" <core@ietf.org>
Thread-Topic: [core] Tossing around URIs to use outside an application
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Date: Mon, 17 May 2021 13:37:34 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/core/FV5nD9FJ6oz0hbbO8CKWLbD-3GI>
Subject: Re: [core] Tossing around URIs to use outside an application
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Hi Chris,

On 17/05/2021, 13:47, "Christian Amsüss" <christian@amsuess.com> wrote:
> * By comparison: on the WWW being tossed a URI is commonplace; they
>   are sent over all channels (text print, QR print, radio
>   announcements etc), and usable by virtue of DNS+PKI.
>
>   They are usable without metadata. If a browser was given a URI of a
>   lock, it may ask the user to go through some login service but then
>   serve from that URI alone.

This was probably true before QUIC and ECH.  Now an HTTPS URI needs more
context to be successfully dereferenced.

> What I'm leaning towards taking from this is that we should be able to
> support tossable URIs, but what they would look like in practice in a
> CoREnvironment may need looking into.

For deployments with DNS, an SVCB [1] profiled for the needs of CoAP and
its secure substrates may be an efficient way to handle these "tossable"
URIs.

cheers!

[1] https://datatracker.ietf.org/doc/html/draft-ietf-dnsop-svcb-https





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