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Re: I-D Action: draft-carpenter-6man-lap-00.txt

Nick Hilliard <nick@foobar.org> Wed, 13 June 2018 15:25 UTC

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Subject: Re: I-D Action: draft-carpenter-6man-lap-00.txt
To: Lorenzo Colitti <lorenzo@google.com>
Cc: "Brian E. Carpenter" <brian.e.carpenter@gmail.com>, IETF IPv6 Mailing List <ipv6@ietf.org>
References: <152885615366.31310.5115931223138267905@ietfa.amsl.com> <f7c1a7a2-5070-ce65-3086-f3a47a822d6a@gmail.com> <CAKD1Yr3pR4W1iUi-9+xTtfU94QAGRnTt-0y2n8_M=k42iJHyRg@mail.gmail.com> <d84f1d46-715b-32b6-7599-07e246176306@foobar.org> <CAKD1Yr3s3=0SvrDXPXMUdpU7Xs70RxgAQaWoyZHDJWceT3zhkQ@mail.gmail.com>
From: Nick Hilliard <nick@foobar.org>
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Date: Wed, 13 Jun 2018 16:25:37 +0100
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Lorenzo Colitti wrote on 13/06/2018 16:20:
> RFC 4291 says that IPv6 addresses are composed of n-bit subnet prefixes 
> and 128-n bit interface IDs. Then it says that for pretty much all 
> unicast addresses 128-n=64. Thus, n=64.

"pretty much all" != "all"

This may be what Brian is talking about.

Nick

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