[Idr] Re: WG Adoption for draft-ssangli-idr-bgp-generic-metric-00 (7/9 to 7/23/2024)

[Gyan Mishra <[e-mail]>]

I support WG adoption and I agree with the comments so far from Bruno,
Robert and Srihari.

Gyan



On Tue, Jul 9, 2024 at 11:56 AM Susan Hares <[e-mail]> wrote:

> This begins a 2 week WG Adoption  (7/9/2024 to 7/23/2024)
>
> for draft-ssangli-idr-bgp-generic-metric-00
>
> https://datatracker.ietf.org/doc/draft-ssangli-idr-bgp-generic-metric/
>
>
>
> All authors should reply to this email with an IPR Statement.
>
>
>
> This draft is a revision of the concepts in
>
> draft-ssangli-idr-bgp-generic-metric-aigp-08,
>
> But uses the NextHop Dependent Capability.
>
>
>
> A short description of from the document may help you review the text.
>
>
>
>    RFC7311 describes mechanism for carrying accumulated IGP cost across
>
>    BGP domains however it limits to IGP-metric only.  There is a need to
>
>    accumulate and propagate different types of metrics as it will aid in
>
>    intent-based end-to-end path across BGP domains.  This document
>
>    defines BGP extensions for Generic Metric sub-types that enable
>
>    different types of metrics to be accumulated and carried in BGP.
>
>    This is applicable when multiple domains exchange BGP routing
>
>    information.
>
>
>
>    This document proposes "Accumulated Metric" TLV in the Next-Hop
>
>    Dependent Capability (NHC) attribute described in
>
>    [I-D.ietf-idr-entropy-label] to carry the accumulated metric value
>
>    for end-to-end path, hereby referred as AMetric.  The AMetric
>
>    supports all the metric types defined in the IGP-Parameters metric-
>
>    type registry.  Additionally this document provides procedures for
>
>    computation and usage of accumulated generic metric value during the
>
>    BGP best path computation.
>
>
>
> In your comments, please consider:
>
>
>
> 1.  Does this mechanism solve the problem we have discussed in interims on AIGP metrics?
>
> 2.  Are there any downsides to using NHC?
>
> 3.  Do you support IDR working on this mechanism?
>
>
>
> Cheerily, Sue Hares
>
>
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