Re: Shim6, was: Re: filtering /48 is going to be necessary

Eugen Leitl wrote:

...

For high speed (fixed time) routed look up with 1M entries, SRAM is cheap at /24 and is fine at /32 but expensive and power consuming TCAM is required at /48.

That's one reason why we should stay away from IPv6.

What prevents you from using http://www.nature.com/ncomms/journal/v1/n6/full/ncomms1063.html with IPv6?

Though I didn't paid $32 to read the full paper, it's like a proposal of geography based addressing. So, I should ask what prevents you from using it with IPv4? Masataka Ohta