[Last-Call] Re: UDP Guidelines and draft-ietf-bfd-unaffiliated-echo-12

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Gorry,


On Oct 16, 2024, at 3:02 AM, Gorry Fairhurst <gorry@xxxxxxxxxxxxxx> wrote:

On 15/10/2024 22:11, Jeffrey Haas wrote:
Gorry,

On Tue, Oct 15, 2024 at 05:26:04PM +0100, Gorry Fairhurst wrote:
I have a few comments, but i am not a routing expert, so I'm maybe
misisng context on the intended use, and why this is a good thing to
allow....

I did not find a description of why this was needed.
Like many IETF specifications, the use cases often get dropped from the
work as the document proceeds through its discussion.

[...]

For me, that's much clearer than the text that appears in the draft, thank you for explaining. Could something like this appear in the spec.?

As noted above, we usually start with the use cases in the document and they get removed across the process.  I'm not in favor of it, but it's common.

Consider for example the applicability section from section 4 of the adopted -00:

It eventually was excised in version -04.

I don't find appropriate traceability in mailarchive to show why that happened.

GTSM, aka  RFC 5082, isn't mentioned or used, but it seems to be
relevent? If not, then the mechanism used to protect from forwarding
needs more explanation.
See the text covering TTL in the draft.

That TTL text was what made me ask. 

I still think this might be a use fo GTSM, aka  RFC 5082? If so, that's good for me, if you refer to it - if it's not, what is different?



There is some concern that this isn't the normative GTSM. However, RFC 5082 Appendix A applies.

-- Jeff

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