Re: [mpls] I-D Action: draft-ietf-mpls-mna-requirements-10.txt

[Tony Li <[e-mail]>]

Hi Loa,

> However, there is a quirk that you don't take into account, I asked  about
> MUTABLE data.


A fair point, but I have to ask why all of the bits need to be mutable.  Are you really going to be changing timestamps into the next millenium?


> There is a caveat, I think that draft-ietf-mplsd-mna-hdr is wrong, but
> I might misunderstand something. I believe that the paragraph I
> quoted  above should say:
> 
>   To preserve backward compatibility, if a network action encodes
>   data that will change during packet forwarding, then that data
>   MUST be in the least significant 7 bits in the data field of a
>   Format C LSE (Section 4.3) or the least significant 11 bits of
>   a Format D LSE (Section 4.4).
> 
> Note: Authors can you check this up, it is "only" the 20 first bits of an
> LSE that is mutable/immutable sensitive, right?


That seems reasonable.

Tony