Re: Making Use of 240/4 NetBlock

[JORDI PALET MARTINEZ via NANOG <nanog () nanog org>]

Exactly, many previous unsuccessful discussions at IETF about 240/4: IPv6 is the only viable long-term solution.

 

The effort to “reinvent” any part of IPv4 or patches to it, then test that everything keeps working as expected, versus 
the benefits and gained time, it is much best invested in continue the IPv6 deployment which is already going on in 
this region and the rest of the world.

 

It would not make sense, to throw away all the efforts that have been already done with IPv6 and we should avoid 
confusing people.

 

I just think that even this thread is a waste of time (and will not further participate on it), time that can be 
employed in continue deploying IPv6.

 

Regards,

Jordi

@jordipalet

 

 

 

El 12/3/22 6:32, "NANOG en nombre de Greg Skinner via NANOG" <nanog-bounces+jordi.palet=consulintel.es () nanog org en 
nombre de nanog () nanog org> escribió:

 

 



On Mar 10, 2022, at 8:44 PM, Masataka Ohta <mohta () necom830 hpcl titech ac jp> wrote:


IIRC, at some time, perhaps when CIDR was deployed widely and
having something other than IPv4 was a hot topic, there was a
discussion on releasing 240/4 in IETF. Reasonings against it were
that the released space will be consumed quickly (at that time,
NAT already existed but was uncommon) and that new IP will be
designed and deployed quickly (we were optimistic).

                                                                                               Masataka Ohta

 

There have been many discussions about 240/4 in the IETF.  For some examples, query “240/4” in the ‘ietf’ mail archive 
on mailarchive.ietf.org.

 

—gregbo



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