Subj : Two ISPs and backup for a home network (dual-homing)
To   : Victor Sudakov
From : Dmitry Protasoff
Date : Wed Jun 30 2021 23:17:54

*** Answering a msg posted in area carbonArea (Carbon Area).

Hello, Victor!

Thursday July 01 2021 00:19, you wrote to me:

 DP>> NAT66 is what NAT for ipv6 is called.

 VS> What was the incentive to create such an abomination?

"There are more things in heaven and earth, Horatio,
Than are dreamt of in your philosophy."(c)Shakespeare

And original ipv6 was just a miserable philosophy, created by people with limited knowledge about real life.

 DP>> NPTv6 is not a NAT, it's
 DP>> stateless solution.

 VS> Even if NPT is called "prefix translation" and is stateless, it is
 VS> still a NAT (in IPv4 terms, a type of a one-to-one NAT).

NPTv6 is for prefix translation only, not for address translation.
It's much more lightweight and easy to implement.

 VS> However, the creators of IPv6 had better invent something like "dead
 VS> gateway detection" or some other way for end devices to select a
 VS> working outgoing address when they have several global prefixes (and
 VS> gateways) available. I thought my knowledge was lacking, but it turns
 VS> out the new and flashy protocol stack is lacking.

Do you have a time machine to send some ideas to ipv6 creators? :)

Best regards,
             dp.
--- GoldED+/W64-MSVC 1.1.5-b20180707
 * Origin: No rest for the wicked (2:5001/100.1)

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