Re: [v6ops] IPREF as a transitioning tool

IPv4 has chances to be "for business" for decades.
Internet would probably transition to IPv6.
Ed/
> -----Original Message-----
> From: v6ops [mailto:v6ops-bounces@ietf.org] On Behalf Of
> jordi.palet@consulintel.es
> Sent: Friday, November 10, 2023 11:56 AM
> To: V6 Ops List <v6ops@ietf.org>
> Subject: Re: [v6ops] IPREF as a transitioning tool
> 
> 
> >> We already have the ability for IPv6 to connect to IPv6 to IPv4 using
> NAT64.  This can be run
> >> with initiating traffic coming from both directions at the same time.  IPv6
> on the public side
> >> to IPv4 on the private side with static mapping and AAAA records in the
> DNS as well as the more
> >> common use of dynamic mappings when running IPv6 only on the private
> side.  This has been done
> >> for many years now.
> >
> > ...thereby reinforcing IPv4. You will never do away with IPv4 Internet this
> way.
> >
> 
> I observe the contrary. Every time I enable IPv6 in an ISP or enterprise
> network, the amount of IPv6 traffic is bigger and bigger. In a residential ISP, it
> comes often to 85% of IPv6 traffic. In fact we see that with measurements
> from Google, Meta, Akamai, etc.
> 
> Also if I understood correctly, your mechanism requires an IPv4 option, and
> that’s not easy to deploy, actually this is the reason we have IPv6 instead of
> "IPv4+”, because the effort to deploy one or the other is the same, and IPv6
> provides a better feature set in the long term, that if we just had “upgraded
> IPv4”.
> 
> 
> > For as long as IPv4 Internet exists, the transition to IPv6 will never be
> completed.  Are you concerned at all that this may happen? Has there ever
> been a doubt in your mind that IPv4 might survive?  Is the fight over
> transition tools worth risking IPv6? IPREF transitions only to pure IPv6, it uses
> only pure IPv6 Internet. It removes IPv4 addresses.
> 
> 
> Yes, of course, there will be some IPv4 traffic remaining in some networks,
> until some “un-updated” devices or apps are being used, but with IPv6-only
> with IPv4aaS, this is a no-brainer for most of the networks.
> 
> 
> 
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