[131375] in North American Network Operators' Group
Re: IPv4 sunset date revised : 2009-02-05
daemon@ATHENA.MIT.EDU (Cameron Byrne)
Fri Oct 22 14:21:44 2010
In-Reply-To: <20101022175403.GA11762@vacation.karoshi.com.>
Date: Fri, 22 Oct 2010 11:21:36 -0700
From: Cameron Byrne <cb.list6@gmail.com>
To: bmanning@vacation.karoshi.com
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Fri, Oct 22, 2010 at 10:54 AM, <bmanning@vacation.karoshi.com> wrote:
> On Fri, Oct 22, 2010 at 09:42:50AM -0700, Cameron Byrne wrote:
>> On Thu, Oct 21, 2010 at 10:20 PM, George Bonser <gbonser@seven.com> wrot=
e:
>> >
>> >
>> >> -----Original Message-----
>> >> From: Christopher Morrow > Sent: Thursday, October 21, 2010 9:49 PM
>> >> To: bmanning
>> >> Cc: NANOG
>> >> Subject: Re: IPv4 sunset date revised : 2009-02-05
>> >
>> >
>> >>
>> >> (now I'm teasing.. .Bill where's your docs on this fantastic new
>> >> teknowlogie?)
>> >>
>> >
>> > I found it here:
>> >
>> > http://www.ivi2.org/
>> >
>> > But the readme is a bit confusing:
>> >
>> > http://www.ivi2.org/code/00-ivi0.5-README
>> >
>> > Trying to figure out how they map a /70 v6 prefix to a /30 v4 prefix
>> > assuming the mapping is to be 1-1
>> >
>>
>> Right, 1 to 1 does not solve any IPv4 exhaustion problems.
>
>
> =A0 =A0 =A0 =A0ah... but the trick is to only need enough IPv4 in the poo=
l
> =A0 =A0 =A0 =A0to dynamically talk to the Internet. =A0Native v6 to Nativ=
e v6
> =A0 =A0 =A0 =A0never has to drop back to the Internet, It uses native v6
> =A0 =A0 =A0 =A0paths. =A0So the larger the v6 uptake, the fewer Internet =
addreses
> =A0 =A0 =A0 =A0you'll need to keep around in your pool.
>
>
>> Going back to the title of the thread, IVI does not help you sunset
>> IPv4 since the same amount of IPv4 is required.
>
> =A0 =A0 =A0 =A0See above.
>
So works, just not at a large scale. For larger scale, you need
address sharing like NAT64.
