This I-D breaks a MUST in RFC8349 Routing Management) and, as such, will
not interoperate with devices that implement RFC8349 correctly.
RFC8349 provides a YANG action to return the active route for a
destination address but omits the destination address, saying that
modules using this must augment the input with a leaf
destination-address. This I-D augments the input with a leaf
local-label so implementations of RFC8349 that 'know' there will be a
leaf destination-address will fail to interoperate with this I-D.
The authors said, at WGLC, that RFC8349 is wrong, that MPLS has label
not address and so the I-D must provide an augment with a label and
RFC8349 should change. I disagree; I think that this is reading too
many semantics into an identifier.
Tom Petch
On 05/08/2020 18:04, The IESG wrote:
The IESG has received a request from the Multiprotocol Label Switching WG
(mpls) to consider the following document: - 'A YANG Data Model for MPLS Base'
<draft-ietf-mpls-base-yang-14.txt> as Proposed Standard
The IESG plans to make a decision in the next few weeks, and solicits final
comments on this action. Please send substantive comments to the
last-call@xxxxxxxx mailing lists by 2020-08-19. Exceptionally, comments may
be sent to iesg@xxxxxxxx instead. In either case, please retain the beginning
of the Subject line to allow automated sorting.
Abstract
This document contains a specification of the MPLS base YANG model.
The MPLS base YANG model serves as a base framework for configuring
and managing an MPLS switching subsystem on an MPLS-enabled router.
It is expected that other MPLS YANG models (e.g. MPLS Label Switched
Path (LSP) Static, LDP or RSVP-TE YANG models) will augment the MPLS
base YANG model.
The file can be obtained via
https://datatracker.ietf.org/doc/draft-ietf-mpls-base-yang/
No IPR declarations have been submitted directly on this I-D.
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