Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 option

[Jen Linkova <[e-mail]>]

On Thu, Dec 5, 2019 at 7:21 AM Bernie Volz (volz) <[e-mail]> wrote:
> I think there is a typo in Section 2 (middle paragraph):
>
>    Another benefit of using DHCPv4 for signalling is that IPv4 will be
>    disabled only if both the client and the server indicate IPv6-only
>    capability.  It allows IPv6-only capable clients to turn off **IPv6**
>    only upon receiving an explicit signal from the network and operate
>    in dual-stack or IPv4-only mode otherwise.
>
> I think that "turn off IPv6" should be "turn off IPv4".

Oh indeed! Will be fixed in -01.
Thanks for pointing out!

> -----Original Message-----
> From: dhcwg <[e-mail]> On Behalf Of Jen Linkova
> Sent: Wednesday, December 4, 2019 7:09 AM
> To: [e-mail]
> Cc: [e-mail]; V6 Ops List <[e-mail]>
> Subject: [dhcwg] IPv6-Only Preferred DHCPv4 option
>
> Hello,
>
> One of the biggest issue in deploying IPv6-only LANs is how to do it incrementally, when some hosts work just fine in NAT64 environment while some legacy devices still need IPv4. Doubling the number of network segments (having an IPv6-only and dual-stack segments of each
> type) is an operational nightmare. So it would be just awesome if all devices can co-exist in the same network segment and hosts capable of operating in IPv6-only environment do not consume IPv4 addresses.
> So here is the draft proposing a new DHCPv4 option to help saving IPv4 addresses and deploying IPv4-as-a-service:
>
> Name:           draft-link-dhc-v6only
> Revision:       00
> Title:          IPv6-Only-Preferred Option for DHCP
> Document date:  2019-12-04
> Group:          Individual Submission
> Pages:          9
> URL:
> https://www.ietf.org/internet-drafts/draft-link-dhc-v6only-00.txt
> Status:         https://datatracker.ietf.org/doc/draft-link-dhc-v6only/
> Htmlized:       https://tools.ietf.org/html/draft-link-dhc-v6only-00
> Htmlized:       https://datatracker.ietf.org/doc/html/draft-link-dhc-v6only
>
>
> Abstract:
>    This document specifies a DHCP option to indicate that a host
>    supports an IPv6-only mode and willing to forgo obtaining a IPv4
>    address if the network provides IPv6 access.
>
> Any comments/suggestions/reviews are highly appreciated!
>
> Adding v6ops@ to Cc: as the problem is related to operating IPv6-only networks.
>
> Thank you!
> --
> SY, Jen Linkova aka Furry
>
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-- 
SY, Jen Linkova aka Furry