[address-policy-wg] 2010-06 New Policy Proposal (Registration Requirements for IPv6 End User Assignments): discussion in the IPv6-WG mailing list

On 03/09/2010 16:43, Remco van Mook wrote:
> I guess it really depends on what you'd want to consider as more
> important; ease of administration or aggregation. The policy makes the
> assumption of large amounts of end user assignments being made - if you
> want out both /48 and /56 from a single PoP and you're going to do both
> in any significant quantity, I'd personally choose to use separate
> blocks for the /56 and the /48 assignments to allow for easier
> recycling. Then those blocks can have their own separate entry in the
> database, each with a single assignment size. If you need to re-hash
> block sizes at a later point, you can always change to a larger number
> of smaller blocks in the database. Database entries are (relatively)
> cheap.

So the "assignment-size:" really means maximum assignment size rather than 
exact assignment size?

Yes, certainly if you're large enough, you would go for separate blocks for 
/48 and /56 anyway.  However, smaller operations may carve them from the 
same block for whatever reasons.

Nick