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Re: RFC4291bis

Michael Richardson <mcr+ietf@sandelman.ca> Wed, 08 August 2018 00:49 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: "Manfredi (US), Albert E" <albert.e.manfredi@boeing.com>
cc: Brian E Carpenter <brian.e.carpenter@gmail.com>, 6man <ipv6@ietf.org>
Subject: Re: RFC4291bis
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Date: Tue, 07 Aug 2018 20:48:59 -0400
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>>>>> ipv6  <<ipv6-bounces@ietf.org> On Behalf Of Brian E Carpenter> writes:
Manfredi (US), Albert E <albert.e.manfredi@boeing.com> wrote:
    > Interface Identifiers for stateless address autoconfiguration
    > are 64 bits long. Otherwise, IIDs are normally 64 bits long, except
    > if the first three bits of the address are 000, or when the addresses
    > are manually configured, or by exceptions defined in standards track
    > documents. ... [Rest same as before.]

    > I'm not sure if there's any reason to mention that these rules only apply to the 2000 prefix.

I think that they apply to fe80::, ULAs, 3ffe::, and would be the default for
4000::/8, ... until we wrote something else down.  That's why we are saying, !0000::/8

--
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
 -= IPv6 IoT consulting =-

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