Re: [Dots] Éric Vyncke's Discuss on draft-ietf-dots-server-discovery-14: (with DISCUSS and COMMENT)

[[e-mail]]

Re-,

This helpful. Thanks. 

I went with the proposal but without the last sentence. The changes can be tracked at:
https://tinyurl.com/dots-discovery-iesg

Cheers,
Med

> -----Message d'origine-----
> De : Eric Vyncke (evyncke) [mailto:[e-mail]]
> Envoyé : mercredi 4 novembre 2020 16:11
> À : BOUCADAIR Mohamed TGI/OLN <[e-mail]>; The
> IESG <[e-mail]>
> Cc : Valery Smyslov <[e-mail]>; Bernie Volz (volz)
> <[e-mail]>; [e-mail]; [e-mail];
> [e-mail]; [e-mail]; draft-ietf-dots-server-
> [e-mail]
> Objet : Re: Éric Vyncke's Discuss on draft-ietf-dots-server-
> discovery-14: (with DISCUSS and COMMENT)
> 
> Med,
> 
> I guess we are converging about the remaining point, look for EV2>
> 
> -----Original Message-----
> From: iesg <[e-mail]> on behalf of
> "[e-mail]" <[e-mail]>
> Date: Wednesday, 4 November 2020 at 12:48
> To: Eric Vyncke <[e-mail]>, The IESG <[e-mail]>
>     >     > -- Section 5.1.2 --
>     >     > I fully second Zhen Cao's review: how will the IPv4-
> mapped
>     > IPv6
>     >     > address(es) be used? They MUST not appear on the wire
> and
>     > there is a
>     >     > DHCPv4 option to convey the DOTS information. Is it when
>     > DHCPv6 is
>     >     > available, no DHCPv4, and only IPv4 connectivity to the
> DOTS
>     > server
>     >     > ? If so, then please clarify the text.
>     >     >
>     >
>     >     [Med] You got it. Added: " This is particularly useful in
> IPv4
>     > service continuity deployments where only DHCPv6 is used."
>     >
>     > EV> I am afraid that more text and explanations are required
> to
>     > clear my remaining DISCUSS even if your suggested modification
> is a
>     > big step forward
>     >
> 
>     [Med] We can add some pointers rather than expanding the text.
> What about:
> 
>     "This is particularly useful in IPv4 service continuity
> deployments (e.g., [RFC6333]) where only DHCPv6 is used and DHCPv4-
> over-DHCPv6 [RFC7341] is not supported."
> 
> EV2> What about
> 
> OLD TEXT
>       Note, IPv4-mapped IPv6 addresses (Section 2.5.5.2 of
> [RFC4291])
>       are allowed to be included in this option.
> 
> NEW TEXT
>       Note, IPv4-mapped IPv6 addresses (Section 2.5.5.2 of
> [RFC4291])
>       MAY to be included in this option when there is no DHCPv4
> server able to advertise the DHCPv4 DOTS options and when only IPv4
> connectivity is possible to the DOTS server. IPv4-mapped IPv6
> addresses MUST NOT be used when there are DHCPv4 servers able to
> advertise the DHCPv4 DOTS options.
> 
> END OF NEW TEXT (the "MUST NOT" may be removed at your convenience)
> 
> 


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