Hi Job,

On Wed, Sep 9, 2026 at 3:10 PM Job Snijders <[email protected]> wrote:

> Dear Behcet,
>
> On Wed, Sep 09, 2026 at 12:44:35PM -0700, Behcet Sarikaya via Datatracker
> wrote:
> > Section 2.3
> > RP Relying Party
> > This document discusses the use of RP in routing however there is
> another very
> > important area where RP is used, in identity protocols like OAUTH 2.0.
> The
> > resources they protect in each case are completely different. This leads
> to a
> > confusion in readers mind. I think the document should have one or two
> > paragraphs to explain this unfortunate (?) name convention or if there
> are
> > places where they interact.
>
> "Relying Party" is a generic term used in multiple contexts. As I
> understand it, a 'Relying Party' is an application or service that
> consumes authorization or authentication assertions and checks their
> validity using a trusted third party.
>
> (In context of the RPKI, these trusted third parties are represented by
> self-signed X.509 root certificates, so-called "Trust Anchors".)
>
> The phrase 'RP' is used in the RPKI (which is based on X.509), and
> the broader X.509 community, and indeed also in communities around
> technology like OAUTH 2.0.
>
> The RPKI community has been using the phrase "Relying Party (RP)" in
> dozens of RFCs for nearly two decades.
>
> I had suggested adding a short text like:

So we can say that they are both relying on a trusted external system but
their domains, architectures, and trust models are entirely different. It
seems that there are no places where OAuth 2.0 and the RPKI interact.


Regards,
Behcet

>
> I don't think now is the moment or this is the document to suddenly
> start explaining that OAUTH also uses the phrase 'RP'. :-)
>
> Kind regards,
>
> Job
>
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