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

Masataka Ohta mohta at
Thu Mar 15 07:57:10 CDT 2012

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
> 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

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