Waste will kill ipv6 too

Michael Crapse michael at wi-fiber.io
Thu Dec 28 17:55:20 CST 2017


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 <owen at delong.com> wrote:

>
> > On Dec 28, 2017, at 09:23 , Octavio Alvarez <octalnanog at 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
>
>
>


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