[netconf] Review of draft-ietf-netconf-udp-client-server-05

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Hi Alex, all,

FWIW, please find a review of -05 at:

  *   pdf: https://github.com/boucadair/IETF-Drafts-Reviews/blob/master/2025/draft-ietf-netconf-udp-client-server-05-rev%20Med.pdf
  *   doc: https://github.com/boucadair/IETF-Drafts-Reviews/raw/refs/heads/master/2025/draft-ietf-netconf-udp-client-server-05-rev%20Med.doc

I think that the document is in a good shape. There are some few points to address:

# Generalize the description as the groupings are not only meant for configuration.
# Add some discussion about address family compatibility when both remote/local are present (including when resolving a hostname)
# Other (local) resolution libraries may be available than DNS.
# The description assumes that a name is resolved per connection attempt. I guess this is more a local policy of the UDP endpoint. Resolved names can be cached + local timer to flush out the entries can be supported, etc.
# Idem for how connections are established, but I guess we have the "local preference" out there. Still, it smells from the text that connections are tried sequentially (and independent of any configured address family) while nothing prevents reusing the grouping in a context with parallel connections are established.
# Update the security cons section (second + last paragraphs)

Thank you.

Cheers,
Med
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