[arin-ppml] Draft Policy ARIN-2013-3: Tiny IPv6 Allocations for ISPs
farmer at umn.edu
Wed Mar 27 21:48:31 EDT 2013
On 3/27/13 20:36 , Seth Mattinen wrote:
> One really nice thing about the IPv6 /32 /48 /56 /64 system is no arcane
> math exercises. But who really needs simplicity.
If you said /32 /48 /64, I'd agree. However, /56 isn't on a (16 bit)
boundary, its on a byte (8 bit) boundary, but so is /40 for that matter.
However, overall our IPv6 policy is aligned on nibble (4 bit)
boundaries, and /36 is aligned on a nibble boundary. For what its
worth, given the Hex representation used in IPv6 the math shouldn't be
that hard if you stay on nibble boundaries.
David Farmer Email: farmer at umn.edu
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