Re: Last Call: <draft-ietf-6man-rfc4291bis-07.txt> (IP Version 6 Addressing Architecture) to Internet Standard

[james woodyatt <jhw@xxxxxxxxxx>]

On Feb 16, 2017, at 00:45, Randy Bush <randy@xxxxxxx> wrote:

If your statement is that we only have the 64 bit boundary because of
SLAAC I believe you are wrong.

cite, please.  what else actually needs it?

https://tools.ietf.org/html/rfc7421

that excuses it.  cite where it is actually needed to do something
useful other than slaac.

RFC 6282 compresses IPv6 headers over IEEE 802.15.4 in a way that depends on such networks always having 64-bit network prefix length.

--james woodyatt <jhw@xxxxxxxxxx>