Hi Toerless,

> Well... There may be connection between progressing the draft and these
> extensions.
> 
> Given how extensions to GDOI where also done by other SDOs, i would like
to
> understand if
> G-IKEv2 has done the best to make extensions as painless as possible,
especially
> for adopting extensions previously existing in GDOI. Worst case, G-IKEv2
does
> make any such extensions more difficult than necessary (not what i would
think,
> just thinking paranoid).

G-IKEv2 is based on IKEv2 which has numerous extensions.

> Ideally, i would even like to see a small section in G-IKEv2 that outlines
how GDOI
> extensions can be mapped to G-IKEv2 . If this waas all registry entries in
> RFC8052, then it would IMHO even be a great exercise for progressing
G-IKEv2 to
> see if equivalent registry entries for
> G-IKEv2 would be sufficient. And the section i am thinking of would for
example
> just be a comparison of registry tables.

I don't think core specification should define how all existing extensions
of an older protocol could be mapped to the current one, but few general
words could be added.

Regards,
Valery.

> Cheers
>     Toerless
> 
> On Tue, Feb 06, 2024 at 10:31:43AM +0300, Valery Smyslov wrote:
> > Hi Toerless,
> >
> > first G-IKEv2 should be published as RFC. The draft is currently in
> > WGLC (for a long time), but received very few reviews so far (and many
> > thanks to all who reviewed it!).
> > I'm planning to publish an updated version addressing Daniel's review
soon.
> >
> > Once G-IKEv2 is standardized, there is no problem (IMHO) to do the
> > equivalent of RFC8052 with it.
> >
> > Regards,
> > Valery.
> >
> > > How would someone today do the equivalent of RFC8052 with G-IKEv2 ?
> > >
> > > On Mon, Feb 05, 2024 at 04:06:11AM +0000, Fries, Steffen wrote:
> > > > Hi,
> > > >
> > > > I've got a question regarding the relation of G-IKEv2 and GDOI.
> > > >
> > > > I realized that G-IKEv2 will be the successor of GDOI and would
> > > > have a
> > question
> > > regarding backward compatibility of payloads defined for GDOI. As
> > > the
> > underlying
> > > exchanges for the base key management changed from IKE to IKEv2 they
> > > will
> > not
> > > be backward compatible. Nevertheless, there have been enhancements
> > > of GDOI for protocols used in the power system domain like GOOSE and
> > > Sampled
> > Values,
> > > which lead to the definition of new payloads for the ID, SA TEK and
> > > KD
> > payloads to
> > > accommodate the power system protocol parameters in RFC 8052.
> > > Likewise,
> > using
> > > the same approach new payloads of the same types have been defined
> > > to distribute parameters for PTP (Precision Time Protocol) in IEC
62351-9.
> > > >
> > > > In general, I realized that there are similar payloads available
> > > > in
> > G-IKEv2 but I
> > > was not quite sure, if it was a design criterion to have backward
> > compatibility for
> > > extensions/enhancements defined for GDOI to be usable also in G-IKEv2.
> > Could
> > > you please shed some light on this?
> > > >
> > > > Best regards
> > > > Steffen
> > > >
> > > > --
> > > > Steffen Fries
> > > >
> > > > Siemens AG
> > > > Technology
> > > > Cybersecurity & Trust
> > > > T CST
> > > > Otto-Hahn-Ring 6
> > > > 81739 Munich, Germany
> > > > Phone: +49 (89) 7805-22928
> > > > mailto:steffen.fr...@siemens.com
> > > > www.siemens.com
> > > > [Logo]
> > > > Siemens Aktiengesellschaft: Chairman of the Supervisory Board: Jim
> > Hagemann
> > > Snabe; Managing Board: Roland Busch, Chairman, President and Chief
> > Executive
> > > Officer; Cedrik Neike, Matthias Rebellius, Ralf P. Thomas, Judith
> > > Wiese; Registered offices: Berlin and Munich, Germany; Commercial
registries:
> > Berlin-
> > > Charlottenburg, HRB 12300, Munich, HRB 6684; WEEE-Reg.-No. DE
> > > 23691322
> > >
> > > _______________________________________________
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