On 2 Jan 2015, at 02:30, Roland Dobbins <rdobbins@arbor.net> wrote:
On Jan 1, 2015, at 7:33 PM, Alexander Neilson <alexander@neilson.net.nz> wrote:
Also, is current operating practice amongst others for all links to be /64���s even for p2p links?

The consensus of the operational community is to use /127s, so as to avoid turning one's routers into sinkholes. 

Can you elaborate on this scenario?