https://github.com/anima-wg/constrained-voucher/pull/272/files

Hi, we had some discussion on the list a few weeks ago about the lack of a
IANA registry for the GRASP AN_PROXY and AN_join_registrar objective's
objective-value.

RFC8994 defines AN_PROXY, and RFC8995 (section 4.4.1) uses it like:

 [M_FLOOD, 12340815, h'fe800000000000000000000000000001', 180000,
             [["AN_Proxy", 4, 1, ""<-OBJECTIVEVALUE],
              [O_IPv6_LOCATOR,
               h'fe800000000000000000000000000001', IPPROTO_TCP, 4443]]]

with:
   objective-value   =  any       ; none

and we were a bit imprecise that "none" meant empty string, rather than CBOR
null!

constrained-voucher (cBRSKI) needs to extend this value to include: "DTLS-EST"
while constrained-join-proxy uses it.

RFC8995 defines AN_join_registrar (section 4.3) as:

 [M_FLOOD, 51804321, h'fda379a6f6ee00000200000064000001', 180000,
             [["AN_join_registrar", 4, 255, "EST-TLS"],
              [O_IPv6_LOCATOR,
               h'fda379a6f6ee00000200000064000001', IPPROTO_TCP, 8443]]]

  objective-value = text       ; name of the supported protocol.
                               ; e.g., "EST-TLS" for RFC 7030.

(after https://www.rfc-editor.org/errata/eid7576 is applied)

constrained-voucher (cBRSKI) needs to extend this value to include: "BRSKI_JP"
while constrained-join-proxy then extends this to include "BRSKI_RJP"
(see: https://github.com/anima-wg/constrained-join-proxy/pull/46 )

we also seem to have "CMP" as a value, which I think that brski-ae will need
to register, but which I don't think we do yet.

One thing that I'm unsure about is whether there should be additional
columns in the Registry.  Specifically, we have changes in the $transport-proto
for both, which can vary from IPPROTO_TCP in RFC8995, to IPPROTO_UDP for the
coap methods.   Should that be in the table too?

--
Michael Richardson <[email protected]>   . o O ( IPv6 IøT consulting )
           Sandelman Software Works Inc, Ottawa and Worldwide

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