[address-policy-wg] IPv6 Policy Clarification - Initial allocation criteria "d)"

On Sat, 2004-06-26 at 00:12, Gert Doering wrote:
> Hi,
> 
> On Fri, Jun 25, 2004 at 11:55:57AM +0100, Jon Lawrence wrote:
> > opinion). I suppose I could assign a /48 to each customer in the datacenter 
> > (to reach the magic 200)  but most customers have only *one* server, so that 
> > would be a big waste of space. 
> 
> Actually, "waste of space" is a non-argument for IPv6-to-customer 
> assignments - you have 65k /48s (at least), which should make for a 
> fairly big datacenter.
> 
> The policy says "every customer gets a /48", except in very specific
> circumstances.
> 
> (By the way: we don't assign /48s to our *datacenter* customers either -
> every datacenter customer VLAN gets a /64, no matter if "one single
> machine" or "hundreds".  As soon as the customer has "more infrastructure" 
> behind his VLAN, or a separate internet access product, he'll get the /48,
> of course).

I usually like to think of it like:
 - a 'link', thus a network which is not routed gets a /64.
 - a routed network gets a /48.

The first includes p2p _links_, tunnel _links_ etc. But also an IX with
one shared medium counts as a link, even if there are 100.000 devices on
that same link. When there is a router in the riddle, then give them a
/48. Which is just like you mentioned with 'more infrastructure'.

Greets.
 Jeroen

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