[CentOS] IPV4 is nearly depleted, are you ready for IPV6?

On 07/12/10 18:39, Les Mikesell wrote:
> On 12/7/10 11:19 AM, David Sommerseth wrote:
>> On 07/12/10 18:01, Les Mikesell wrote:
>>> On 12/7/10 10:20 AM, Adam Tauno Williams wrote:
>> [...snip...]
>>>> "permit outbound client connections from anything connected behind them
>>>> without  much regard to how many devices there are, and block everything
>>>> else" isn't NAT.  That's a router/firewall.  Happily IPv6 does that
>>>> exactly.
>>>
>>> You didn't mention the number of devices - how does that play out when you
>>> exceed the number initially set up?
>>
>> How many devices?  You mean exceeding the number of available inside a
>> IPv6 subnet?  I do hope you're kidding ... as for a /64 subnet we're
>> talking about 4.294.967.296 addresses doubled 32 times.
> 
> Is that what people will automatically get in a home ISP connection?

Yes.  Either a /64 subnet or more likely a /48 subnet, where a /48
subnet == 65536 /64 subnets.

And the 48 bits ISPs gives customers  corresponds to 281.474.976.710.656
/48 subnets.  Compare that number to IPv4 32 bits:
      4.294.967.296



Kind regards,

David Sommerseth