Credit to Digital Ocean for ipv6 offering

Grzegorz Janoszka Grzegorz at
Tue Jun 17 20:36:49 UTC 2014

On 2014-06-17 22:13, David Conrad wrote:
> On Jun 17, 2014, at 12:55 PM, Grzegorz Janoszka <Grzegorz at> wrote:
>> There are still applications that break with subnet smaller than /64, so all VPS providers probably have to use /64 addressing.
> Wouldn't that argue for /64s?

/64 netmask, but not /64 for a customer. There are application which 
break if provided with /80 or /120, but I am not aware of an application 
requesting /64 for itself.

>> /64 for one customer seems to be too much,
> In what way? What are you trying to protect against? It can't be address exhaustion (there are 2,305,843,009,213,693,952 possible /64s in the currently used format specifier. If there are 1,000,000,000 customer assignments every day of the year, the current format specifier will last over 6 million years).

Too much hassle, like too big config of your router. If you have 1000 
customers in a subnet, you would have to have 1000 separate gateway IP's 
on your router interface plus 1000 local /64 routes.

Grzegorz Janoszka

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