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Re: [v6ops] A proposal for draft-ietf-6man-rfc4291bis-07 - FE80::/10 and IID length

Alexandre Petrescu <alexandre.petrescu@gmail.com> Wed, 08 March 2017 11:27 UTC

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Subject: Re: [v6ops] A proposal for draft-ietf-6man-rfc4291bis-07 - FE80::/10 and IID length
To: otroan@employees.org
References: <CAN-Dau17q_BrUuzfvB1mLDt6p5UxYikphWaHpa8VQ2L-3kx-DA@mail.gmail.com> <6D825351-7F43-4540-89AB-48DC2B5E92E3@google.com> <CAOSSMjUP6m-L1iNhE=BxHW+7hvt4YsZgxxtVn+qmgEVS9HeStA@mail.gmail.com> <CAJE_bqfpE-NWwG12S4CXM+ZnHdHHH31-y+_+pYhuCuq2FtqZ4w@mail.gmail.com> <7A10E8D9-02F4-4D1C-B422-86ACCAABCB38@steffann.nl> <1F674D50-1C89-444C-A617-C528951F80EC@steffann.nl> <6f2b4f35-8501-f9d8-e2f6-9e545419fb76@gmail.com> <a11c6b9b-ae5c-7c7d-a71c-cc5d8b80d047@gmail.com> <C689991E-A54D-41FB-BDE6-2BFA74B10049@employees.org> <CAO42Z2xKxe24+d_reyY1rTitA9oPy0=2QSTGSN65t5wFGx51uA@mail.gmail.com> <CAO42Z2yFuuAuEb5=mb8Jwge21nahDhy1uPq-6j7YGnTF9=uM9g@mail.gmail.com> <224F03DD-D876-4288-B48D-04D997ACBE76@employees.org> <CAO42Z2wOCe16Y5u=YNDQ9PRE5dPaEK3kvtFPnZRWOkUfKmZ2xg@mail.gmail.com> <0E14B2F8-4918-4AA0-837F-4D120FAEF17D@employees.org> <425ae5ef-5cfe-5787-c6e5-9c73f09cfb20@gmail.com> <BFD656FE-8613-4D20-9FDA-E0DBEEBB2E54@employees.org>
From: Alexandre Petrescu <alexandre.petrescu@gmail.com>
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Date: Wed, 08 Mar 2017 12:27:46 +0100
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Le 08/03/2017 à 12:18, otroan@employees.org a écrit :
[...]
>> It would be good too if RFC4291bis said in a small place that
>> "FEBF::1 is a Link-local address too".
>
> No. It says the link-local prefix is FE80/10 + zeroes +
> interface-id. If you have a 118 bit long IID you can create the above
> link-local address, but that really does not have to be stated.

But to let that happen, it should also refrain from picturing or writing 
that IIDs must be of 64bit length.  If it needs to give examples it 
should rather use "e.g. /118".

>> The fact that everybody always says "an FE80 is an LL", or "an LL
>> is an FE80" does not mean FEBF::1 is not an LL too.  And that has
>> deep consequences to address plans.
>
> No it hasn't.

Well...

Alex

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