[mpls] Re: 1 week to comment : Resolving concerns with draft-ietf-mpls-mna-nrp-selector

[John Drake <[e-mail]>]

 Looks fine to me
    On Tuesday, December 2, 2025 at 08:04:57 AM PST, Adrian Farrel <[e-mail]> wrote:  
 
 Hi,

This email asks for comments in a one week period ending at 16.00 GMT on 9th
December 2025.

An unresolved concern with draft-ietf-mpls-mna-nrp-selector was around what
happens if some implementations support just one Opcode and some just
another.

To clarify how implementations are supposed to behave, I'd like to propose
the following in Section 1. I believe it addresses the concerns without
destabilising the current text.

OLD
  [I-D.ietf-mpls-mna-fwk] specifies an architectural framework for the
  MPLS Network Actions (MNA) technologies.  MNA technologies are used
  to indicate actions for Label Switched Paths (LSPs) and/or MPLS
  packets and to transfer data needed for these actions.  The MNA
  architecture can facilitate carrying the dedicated identifier based
  NRP Selector in the MPLS label stack.  This document discusses a few
  options for using MPLS network actions to carry the NRP Selector.
  The proposed encodings are compliant with the MNA header encoding
  formats defined in [I-D.ietf-mpls-mna-hdr].
NEW
  [I-D.ietf-mpls-mna-fwk] specifies an architectural framework for the
  MPLS Network Actions (MNA) technologies.  MNA technologies are used
  to indicate actions for Label Switched Paths (LSPs) and/or MPLS
  packets and to transfer data needed for these actions.  The MNA
  architecture can facilitate carrying the dedicated identifier based
  NRPS in the MPLS label stack.  This document defines three ways to
  use MPLS network actions to carry the NRPS, each indicated by a
  different MNA Opcode and compliant with the MNA header encoding
  formats defined in [I-D.ietf-mpls-mna-hdr].  An implementation of this
  document must support receiving all three Opcodes, but may freely
  choose which one to use to encode an NRPS. Future documents may
  define further NRPS formats using new Opcodes if necessary.
END

Could people please comment:
- Yes
- Yes, but <suggested changes>
- No, because <reason>

Thanks,
Adrian

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