Backward Compatibility Re: 202401100645.AYC Re: IPv4 address block

Mon Jan 15 04:18:37 UTC 2024

Hi, Randy:

1)   " ... unfortunately i already had grey hair in the '90s and was in 
the room for all this,  ...  ":

     My apologies! For an uninitiated, I misread your message as if IPv6 
was originally designed with a plan to assure smooth transition from IPv4.

Regards,

Abe (2024-01-14 23:17)

On 2024-01-12 17:45, Randy Bush wrote:
>> Perhaps you are too young to realize that the original IPv6 plan was
>> not designed to be backward compatible to IPv4, and Dual-Stack was
>> developed (through some iterations) to bridge the transition between
>> IPv4 and IPv6? You may want to spend a few moments to read some
>> history on this.
> ROFL!!!  if there is anything you can do to make me that young, you
> could have a very lucrative career outside of the internet.
>
> hint: unfortunately i already had grey hair in the '90s and was in the
> room for all this, and spent a few decades managing to get some of the
> worst stupidities (TLA, NLA, ...) pulled out of the spec.  at iij, we
> rolled ipv6 on the backbone in 1997.
>
> randy

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