Re: New Approach For Discussing IPng

[Tom Beecher <[e-mail]>]

>
> How VPN tunnels works in reality?! I think it works by first encrypting
> the original packet, THEN, "adding a new source and destination addresses
> to the packet", this is what I'm asking for to allow IPv10 concept works.
>

That would be an accurate description of tunnel mode IPSEC. If that is what
you are proposing, numerous v4/v6 tunneling standards are already defined
and are well developed.

On Mon, Apr 19, 2021 at 7:30 AM Khaled Omar <[e-mail]>
wrote:

> Hi Brian,
>
> >> Back in 1994, it had become clear that deploying new header options in
> IPv4 across the Internet was in practice impossible, however well they
> worked in the lab. Extending IPv4 was therefore theoretically possible but
> impossible in reality. So we started IPv6.
>
> How VPN tunnels works in reality?! I think it works by first encrypting
> the original packet, THEN, "adding a new source and destination addresses
> to the packet", this is what I'm asking for to allow IPv10 concept works.
>
> Regards,
>
> Khaled
>
> -----Original Message-----
> From: ietf [mailto:[e-mail]] On Behalf Of Brian E Carpenter
> Sent: Monday, April 19, 2021 6:53 AM
> To: Phillip Hallam-Baker <[e-mail]>; Joe Touch <
> [e-mail]>
> Cc: Lloyd W <[e-mail]>; IETF Discussion Mailing List <
> [e-mail]>
> Subject: New Approach For Discussing IPng
>
> I've been keeping clear of this thread, but I think Phill does remind us
> of an important point (hence the small change of subject):
> On 19-Apr-21 15:42, Phillip Hallam-Baker wrote:
> ...
> > We keep having people coming along making these suggestions for IPv8,
> IPv10, etc. etc. and the inventors never once seem fit to ask what is so
> different about their proposal it can't be done in IPv6.
>
> Back in 1994, it had become clear that deploying new header options in
> IPv4 across the Internet was in practice impossible, however well they
> worked in the lab. Extending IPv4 was therefore theoretically possible but
> impossible in reality. So we started IPv6.
>
> 27 years later, it has become clear that deploying new extension headers
> in IPv6 across the Internet is in practice impossible, however well they
> work in the lab.
>
> There's little prospect that things would be different if we repeat the
> experiment.
>
> > The whole point of the Internet is the narrow waist is really simple.
>
> As it is written: "The function in question can completely and correctly
> be implemented only with the knowledge and help of the application standing
> at the endpoints of the communication system. Therefore, providing that
> questioned function as a feature of the communication system itself is not
> possible."
>
> (What about deterministic networking? Indeed, that requires support as a
> feature of the communication system. Therefore, it will never happen across
> the Internet as a whole.)
>
>     Brian
>
>
>
>