Re: [mpls] draft-ietf-mpls-mna-hdr draft updates

[Jaganbabu Rajamanickam <[e-mail]>]

Hello Everyone,
  I have updated the RLD specific comments from Tony and Greg.
 I am sending the latest draft and the diff.

Thanx,
Jags

On Wed, Aug 30, 2023 at 1:31 PM Jaganbabu Rajamanickam <
[e-mail]> wrote:

> Hello Greg,
>
>    Thanks for the review.
>
>    We could add the text on RLD which you have suggested.
>
>    For MSD, How about the below text in section "9.1 - Encapsulating Node
> Responsibilities".
>
>    The path computation needs to know the Maximum SID Depth (MSD)
>
>    that can be imposed at the ingress node of a given SR path [RFC8664].
>
>    This ensures that the label stack depth of a computed path does not
>
>    exceed the maximum number of labels (i.e., MSD) the node is capable of
> imposing.
>
>    The MSD needs to include the MNA Sub-Stacks to be added.
>
>
> Thanx,
>
> Jags
>
> On Mon, Aug 21, 2023 at 2:52 PM Greg Mirsky <[e-mail]> wrote:
>
>> Hi Jags,
>> thank you for sharing the updates. I have a couple of questions about
>> RLD.
>>
>>    - The updated draft presents RLD as being a newly defined term
>>    introduced in this draft. Although RLD might be related to ERLD-MSD defined
>>    in RFC 9088, that is okay if the draft provides a clear definition of the
>>    new term. Section 7, in my understanding, describes the usage of RLD but is
>>    rather short on defining it. Would the following text be acceptable:
>>
>> Readable Label Depth is defined as the number of labels, starting from
>> the top of the stack, a router can read in an MPLS packet received on its
>> incoming interface(s).
>>
>>    - It looks like RLD is presented as a system-wide parameter. I think
>>    that it might be more accurate to consider RLD per ingress interface (see
>>    the proposed definition of RLD above).
>>
>> Also, do the Editors find it helpful to note that the Base MPLS
>> Imposition MSD affects the imposition of the label stack that includes MNA?
>>
>> Regards,
>> Greg
>>
>> On Mon, Aug 21, 2023 at 10:29 AM Jaganbabu Rajamanickam (jrajaman)
>> <jrajaman=[e-mail]> wrote:
>>
>>> Hello Everyone,
>>>
>>>    Attaching new attachments and resending.
>>>
>>>
>>>
>>> Thanx,
>>>
>>> Jags
>>>
>>>
>>>
>>> *From: *Jaganbabu Rajamanickam <[e-mail]>
>>> *Date: *Monday, August 21, 2023 at 1:21 PM
>>> *To: *mpls <[e-mail]>
>>> *Cc: *mpls-chairs <[e-mail]>,
>>> [e-mail] <[e-mail]>
>>> *Subject: *draft-ietf-mpls-mna-hdr draft updates
>>>
>>> Hello Everyone,
>>>
>>>    Based on the WG discussion and comments, we have updated the draft. I
>>> am attaching the latest draft and the diff before publishing. Please take a
>>> look and provide feedback.
>>>
>>>
>>>
>>> Below are the updates made to the draft.
>>>
>>>
>>>
>>>    1. Define and use term RLD (Readable Label Depth)
>>>    2. Add MNA Label in Figure 1
>>>    3. Packet format to show bits 0 – 9
>>>    4. Reserved bits are marked as MUST be zero and ignored on receipt
>>>    5. Section 7 to clarify PHP node behaviour
>>>    6. Section 7.1 added on “actions on node pushing labels”
>>>    7. Deleted stale section of 13.3 on “Network Actions Flags with
>>>    Ancillary Data”
>>>    8. Designated Editors
>>>    9. Informational References (both moved from normative)
>>>
>>>
>>>
>>>
>>>
>>> Thanx,
>>>
>>> Jags
>>> _______________________________________________
>>> mpls mailing list
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>>> https://www.ietf.org/mailman/listinfo/mpls
>>>
>>