Lasse,
draft-ietf-6man-prefixlen-p2p-01 provides some insights.
Ron
> -----Original Message-----
> From: Lasse Jarlskov [mailto:l...@telenor.dk]
> Sent: Monday, January 24, 2011 7:49 AM
> To: nanog@nanog.org
> Subject: IPv6: numbering of point-to-point-links
>
> Hi all.
>
>
>
> While reading up on IPv6, I've seen numerous places that subnets are
> now
> all /64.
>
> I have even read that subnets defined as /127 are considered harmful.
>
>
>
> However while implementing IPv6 in our network, I've encountered
> several
> of our peering partners using /127 or /126 for point-to-point links.
>
>
>
> What is the Best Current Practice for this - if there is any?
>
> Would you recommend me to use /64, /126 or /127?
>
> What are the pros and cons?
>
>
>
>
>
> --
>
> Best regards,
>
> Lasse Jarlskov
>
> Systems architect - IP
>
> Telenor DK
