/127 between routers?

[Nick Hilliard]

On 10/01/2010 01:25, Jim Burwell wrote:
> on 128 bits addresses?  I know that in the world of  hardware costs,
> pennies matter, but it seems some are assuming that routing beyond /64
> would add some sort of significant cost or complexity to the ASICs, but
> would it really?  Especially beyond what they already have to do for /64s.

TCAM is very expensive.  And you need lots more TCAM per prefix for ipv6
than for ipv4.

Nick