Hi, Bob, Having SCHC as an IP protocol number is more than sufficient to use it with numerous tunneling protocols and/or layering protocols, including GRE - which can be tunneled in UDP too.
Why is that - any of numerous other network-layer tunnel protocols (that demux on network protocol ID) - not sufficient? If not, IMO the doc would need to provide the details of the tunneling protocol at the transport layer to justify a transport port assignment. Joe — Dr. Joe Touch, temporal epistemologist www.strayalpha.com > On Apr 9, 2023, at 2:30 PM, Robert Moskowitz <rgm-i...@htt-consult.com> wrote: > > Joe, > > My original use case was for SCHC as an IP Protocol Number with diet-esp > being the sample. WIthout this we have to do a hack on the SPI management. > > My more recent work definitely benefits from SCHC as an Ethertype. > > My text does/will cover these use cases for why. > > SCHC as a port number was added by others, primarily Pacal Thubert for UDP > firewall traversal. He will be providing the text for that use case. > > Back to writing on this bumpy train ride... > > Bob > > On 4/6/23 00:13, to...@strayalpha.com <mailto:to...@strayalpha.com> wrote: >> Hi, Bob, >> >>> On Apr 5, 2023, at 4:22 AM, Robert Moskowitz <rgm-i...@htt-consult.com> >>> <mailto:rgm-i...@htt-consult.com> wrote: >>> >>> I am in the process of reving draft >>> >>> draft-ietf-intarea-schc-ip-protocol-number >>> >>> and adding support for schc as an ethertype and tcp/udp port number as I >>> said I would do back in Nov. Sigh. >> >> I understand maybe Ethertype (though I think this is the mistake that IPv6 >> made all over again), but for this to get a port number it would need to be >> associated with a transport service, not just a packet type. >> >> Why would that be needed, e.g., vs. running this inside one of any of the >> numerous transport tunneling protocols (esp GRE)? >> >> Joe >> >> — >> Dr. Joe Touch, temporal epistemologist >> www.strayalpha.com <http://www.strayalpha.com/> >> >
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