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v6 deagg

On Thu, Feb 19, 2015 at 10:07 PM, Randy Bush <randy at psg.com> wrote:
> but then we considered that v6 allocations seem to be /32s, and the
> longest propagating route seems to be /48, leaving 16 bits with which
> the deaggregators can play.  while in v4 it was /24s out of a /19 or
> /20, four or five bits.
>
> this does not bode well.

Howdy,

I took a look at what it might take to keep TE-based disaggregation
under control back in 2009. This is what I came up with:

http://lists.arin.net/pipermail/arin-ppml/2009-June/014351.html

Needless to say, the sparse allocation expandable netmask strategy
we're using instead doesn't have many levers we can grab for control.

Regards,
Bill Herrin




-- 
William Herrin ................ herrin at dirtside.com  bill at herrin.us
Owner, Dirtside Systems ......... Web: <http://www.dirtside.com/>