Hi Mustapha,

The RFC8287 refers to OSPF and not OSPFv2. Conventionally, we use the term OSPF 
when we are referring to both OSPFv2 and OSPFv3. I am not sure if this was the 
authors' objective.

One might assume that OSPFv2 is purely for IPv4 and OSPFv3 for IPv6, but this 
is not true (see RFC5838).

I would it is better to have two separate code-points for OSPFv2 and OSPFv3 in 
this case.

Thanks,
Ketan

From: mpls <[email protected]> On Behalf Of [email protected]
Sent: 09 September 2019 18:23
To: Aissaoui, Mustapha (Nokia - CA/Ottawa) <[email protected]>; 
[email protected]; [email protected]
Cc: [email protected]
Subject: Re: [mpls] Codepoint for OSPFv3 protocol in SPRING LSP-Ping and 
LSP-Trace

RFC 8287 is a product of the MPLS WG so in the absence of answer on the SPRING 
mailing list, I'm redirecting the question to the MPLS WG.

--Bruno

From: spring [mailto:[email protected]] On Behalf Of Aissaoui, Mustapha 
(Nokia - CA/Ottawa)
Sent: Friday, August 2, 2019 12:29 AM
To: [email protected]<mailto:[email protected]>
Subject: [spring] Codepoint for OSPFv3 protocol in SPRING LSP-Ping and LSP-Trace

Dear all,
I am not sure if this was discussed during the development of RFC 8287 - "Label 
Switched Path (LSP) Ping/Traceroute for Segment Routing (SR) IGP-Prefix and 
IGP-Adjacency Segment Identifiers (SIDs)                         with MPLS Data 
Planes", but I could not find anything in the SPRING mail archive.

Prefix SID and adjacency SID which are originated in an OSPFv3 instance (IPv4 
or IPv6 instance) do not have a protocol ID assigned to them in the Segment ID 
Sub-TLV, as well as in the Label Stack Sub-TLV of the Downstream Detailed 
Mapping TLV.

Should we assign the next available IANA codepoint values or was there a 
rationale for omitting them?

Regards,
Mustapha.

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