Re: [v6ops] reclassify 464XLAT as standard instead of info - double stack coexistence

[Alexandre Petrescu <[e-mail]>]

Le 25/09/2017 à 12:27, JORDI PALET MARTINEZ a écrit :
> [...] but operators live in a world where they don’t have any more 
> IPv4 addresses,

False, they always have access to NAT space.

Keep NAT for IPv4, leave IPv6 alone.

> so double-stack is over in the access networks. However, there are
> devices and apps (in both cellular/tethering and non-cellular), that
> are IPv4-only, so user networks/LANs, need some transition support to
> make IPv4 transparently available end-to-end.

That need can not be satisfied to a large scale.  Make it work inside 
some domain, with some translation, but cant work for all.

It's plain NAT.

> Last week I did a presentation and I was making a joke:
> 
> - I’ve been told that the only secure thing in this life is death … 
> well not anymore, some scientifics said they are close to find the 
> way avoid death … So. the new “for sure” thing in this life, is that
>  we are going to an IPv6-only world (and I’m referring here to access
>  networks, maybe even some core/distribution networks).

I agree.

Saludos,

Alex

> 
> Saludos, Jordi
> 
> 
> -----Mensaje original----- De: v6ops <[e-mail]> en 
> nombre de Alexandre Petrescu <[e-mail]> Responder
> a: <[e-mail]> Fecha: lunes, 25 de septiembre de
> 2017, 12:07 Para: Mikael Abrahamsson <[e-mail]> CC:
> <[e-mail]> Asunto: Re: [v6ops] reclassify 464XLAT as standard
> instead of info - double stack coexistence
> 
> Le 25/09/2017 à 11:53, Mikael Abrahamsson a écrit :
>> On Mon, 25 Sep 2017, Alexandre Petrescu wrote:
>> 
>>> I mean GTPU protocol that uses IPv4 addresses, and carries IPv6 
>>> packets
>> 
>> This is not something the end user device sees or cares about.
> 
> But the end-user device connects to a network, and you claim that 
> network is IPv6-only.
> 
> You claim that because there are networks that are IPv6-only then 
> devices must run CLAT.
> 
> But what is "IPv6-only networks"?  Do they use IPv4 though?
> 
>> Why are you bringing this up?
> 
> Because I need to understand whether the APNs dedicated to CLAT run 
> IPv6-only.  Do these networks do GTP-v4?  And PDP type IPv4-IPv6?
> 
> One would like to have coherence between IPv4, IPv6, APN type, PDP 
> type, encapsulations, translations.
> 
> The ideal is "double stack" - no encap, no translation, no IN A in 
> UDPv6 packets, no IN AAAA in UDPv4 packets, and PDP type v4v6.
> 
> Alex
> 
> _______________________________________________ v6ops mailing list 
> [e-mail] https://www.ietf.org/mailman/listinfo/v6ops
> 
> 
> 
> 
> ********************************************** IPv4 is over Are you 
> ready for the new Internet ? http://www.consulintel.es The IPv6 
> Company
> 
> This electronic message contains information which may be privileged
>  or confidential. The information is intended to be for the exclusive
>  use of the individual(s) named above and further non-explicilty 
> authorized disclosure, copying, distribution or use of the contents 
> of this information, even if partially, including attached files, is
>  strictly prohibited and will be considered a criminal offense. If 
> you are not the intended recipient be aware that any disclosure, 
> copying, distribution or use of the contents of this information, 
> even if partially, including attached files, is strictly prohibited, 
> will be considered a criminal offense, so you must reply to the 
> original sender to inform about this communication and delete it.
> 
> 
> 
> _______________________________________________ v6ops mailing list 
> [e-mail] https://www.ietf.org/mailman/listinfo/v6ops
>