Yes, let's talk about waste, Lets waste 2^64 addresses for a ptp. If that was ipv4 you could recreate the entire internet with that many addresses.
On 28 December 2017 at 10:39, Owen DeLong <o...@delong.com> wrote: > > > On Dec 28, 2017, at 09:23 , Octavio Alvarez <octalna...@alvarezp.org> > wrote: > > > > On 12/20/2017 12:23 PM, Mike wrote: > >> On 12/17/2017 08:31 PM, Eric Kuhnke wrote: > >> Call this the 'shavings', in IPv4 for example, when you assign a P2P > >> link with a /30, you are using 2 and wasting 2 addresses. But in IPv6, > >> due to ping-pong and just so many technical manuals and other advices, > >> you are told to "just use a /64' for your point to points. > > > > Isn't it a /127 nowadays, per RFC 6547 and RFC 6164? I guess the > > exception would be if a router does not support it. > > > > Best regards, > > Octavio. > > Best practice used most places is to assign a /64 and put a /127 on the > interfaces. > > Owen > > >
