On 15/02/2017 14:26, Lorenzo Colitti wrote: > On Tue, Feb 14, 2017 at 11:06 AM, <otroan@xxxxxxxxxxxxx> wrote: > >> Brian, changing the 64 bit boundary is such a big change that I would >> claim it is far outside the scope of advancing 4291 to Internet standard. >> > > Agreed. Of course. The point is only that it's a parameter in the design of SLAAC, whose value is set by the address architecture. Brian