/127 between routers?

[Alexandre Dulaunoy]

On Tue, Jan 5, 2010 at 4:46 PM, Kevin Loch <kloch at kl.net> wrote:
> Mohacsi Janos wrote:
>>
>> Also:
>> http://www.ietf.org/id/draft-kohno-ipv6-prefixlen-p2p-00.txt
>>
>
> I use /112 for any link that doesn't have to be /64.
> You can't beat the convenience of bit boundaries
> on a ':".  It works great for p-p as well as
> multi-router and server vlans.
>
> A /112 is only 16,384 times less efficient than a
> /126, but is still 281,474,976,710,656 times
> more efficient than a /64 :)

On our side, we are using /120 (easy to calculate
and remember) for ptp between routers without any
issues.

ABBA::0000/120
ABBA::0100/120
ABBA::0200/120
ABBA::0300/120
and so on...

-- 
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