Re: [v6ops] Thoughts about wider operational input

Joe Maimon <jmaimon@jmaimon.com> Wed, 23 March 2022 20:32 UTC

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To: Brian E Carpenter <brian.e.carpenter@gmail.com>, buraglio@es.net, Vasilenko Eduard <vasilenko.eduard@huawei.com>
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From: Joe Maimon <jmaimon@jmaimon.com>
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Date: Wed, 23 Mar 2022 16:31:54 -0400
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Subject: Re: [v6ops] Thoughts about wider operational input
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Brian E Carpenter wrote:
> Eduard, you wrote:
>
>> I am puzzled why ::ffff:0:0/96 has been treated as IPv4? Strange 
>> interpretation.
>
> Not at all strange. By definition (see RFC4291, section 2.5.5.2) that 
> is the entire
> IPv4 address space, respresented as an IPv6 prefix.
>
There is 2 thing at play. IPv6 packets with IPv4 embedded addresses as 
either or both source and destination.

And IPv4 packets with IPv4 addresses for both source and destination.

Perhaps they should be ranked individually.

Joe