[mpls] Re: 答复: Working Group Last Call on draft-ietf-mpls-mna-hdr (2nd WG call)

[John Drake <[e-mail]>]

 Snipped, comment inline.

    On Sunday, October 13, 2024 at 11:10:32 AM PDT, Greg Mirsky <[e-mail]> wrote:  
 
 Hi Loa,I read your thoughts on the discussion with great interest, thank you for sharing. I've added my notes below tagged GIM>>.
Regards,Greg
On Sat, Oct 12, 2024 at 11:49 AM Loa Andersson <[e-mail]> wrote:


I agree that it is important to take the input we can get from 
implementations. I'm quite surprised by the perceived resistance for the 
WG chair that has spoken up on this. Taking the lessons we can from 
existing implementations has been there for MPLS Standard Track RFCs, 
since the start.

GIM>> I am surprised that you discard all the great work and valuable information the group received from Michael Menth and Fabiam Ihle on their outstanding work with implementing MNA on the P4 platform. As I understand it, they don't find any severe obstacles to implementing the MNA ISD solution based on the current version of the draft.I agree that input from implementations is important but, as I understand it, the MPLS WG never before required that to progress any document. I believe that if the WG is transforming into an MPLS maintenance group, then adopting a more protective charter which would require validation by an implementation seems reasonable to me. Otherwise, I cannot find any practical reason in further stalling the progress of the MNA ISD document.  

JD:  It is also the case that during the MNA Design Team meetings, members expressed the opinion that P4 implementations were the gold standard. 

_____________________________________
However we have never wanted to make it a formal criteria, since we very 
quickly learnt that vendors are extremely reluctant to respond to 
implementation polls-
GIM>> So how is the case on MNA different? It is optional and, in my opinion, is no different from any other MPLS extensions that use SPL.
JD:  It shouldn't be, and I haven't heard any arguments for why it should be..

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-- 
Loa Andersson
Senior MPLS Expert
Bronze Dragon Consulting
[e-mail]
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