Re: [Int-area] Resubmit - requesting WG Adoption draft-moskowitz-intarea-schc-ip-protocol-number

On 2022-09-08, at 18:08, Robert Moskowitz <rgm-ietf@htt-consult.com> wrote:
> 
> Thanks Tom!
> 
> Wow is that buried...  (IMHO)

Third hit for me under
https://www.google.com/search?q=IPv6-Compression-Protocol+Types+site%3Aiana.org

> The values seem to be all over the place.  Any insight as to why this is?

Hysterical raisins…
Header compression for IP started 42 years ago with RFC 1144 and has evolved a lot since then.  So did PPP.
(PPP also has these favorable and less favorable numbers, where what is favorable depends on what environment this will be used for.)

Grüße, Carsten

> 
> Bob
> 
> On 9/8/22 11:55, tom petch wrote:
>> From: Int-area <int-area-bounces@ietf.org> on behalf of Robert Moskowitz <rgm-ietf@htt-consult.com>
>> Sent: 08 September 2022 14:03
>> On 9/8/22 08:31, Pascal Thubert (pthubert) wrote:
>>> Hello Joel:
>>> 
>>> SCHC could be used to compress IP option headers and the residue be stored in a SCHC option, which a next header points at uncompressed transport (e.g., encrypted, uncompressible).
>>> Additionally, finding the SCHC context may require metadata that could also be found in a SCHC option. Over one hop in LPWAN that is all implicit but over IP it might not be.
>>> 
>>> SCHC is layered depending on which endpoint talks to which. E.g., you compress a tunnel with inner that is already SCHC-compressed, you do security, etc...
>>> So you could have SCHC options one after the other. We have not defined the option yet, LPWAN is discussing recharter to cover SCHC applied beyond LPWANs.
>>> 
>>> But since we're at it, let's do both in one RFC.
>>> Note that we'll also need a value for IPv6-Compression-Protocol Types, see https://www.ietf.org/archive/id/draft-thubert-intarea-schc-over-ppp-03.html#name-iana-considerations.
>>> 
>> I cannot find this IANA registry.  Can someone please provide the URL.
>> 
>> Perhaps
>> https://www.iana.org/assignments/ppp-numbers/ppp-numbers.xhtml#ppp-numbers-29
>> 
>> IP-Compression-Protocol Types in the Point-to-Point Protocol (PPP) Field Assignments  Group on the IANA website as set up by RFC1332.
>> 
>> Tom Petch
>> 
>> And this is why I have been instructed, and have adhered to, including
>> IANA URLs as informative references in my drafts.
>> 
>> Like in draft-moskowitz-intarea-schc-ip-protocol-number!
>> 
>> Bob
>> 
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