nanog mailing list archives

Re: Making Use of 240/4 NetBlock Re: 202203140004.AYC


From: "Abraham Y. Chen" <aychen () avinta com>
Date: Mon, 14 Mar 2022 00:22:33 -0400

Hi, John:

0)    Thanks for your comments.

1)    Re: Ur. Pt. 1): I have recently been informed of such activities. So far, my attempt to submit a draft and to reach the group chairs have not been successful.

2)    Re: Ur. Pt. 2): Our work looks very much inline with your Unicast project. My quick reaction is that EzIP appears to be a practical application that can benefit from your proposal. Although we further limit the application of 240/4 netblock to be "on-premises" (from the Internet core's perspective) use, the scheme of the EzIP deployment actually makes the scope bigger. Since I am not very familiar with the terminologies, does this interpretation make any sense? Please comment.

Regards,


Abe (2022-03-14 00:22)




On 2022-03-12 23:26, John Gilmore wrote:
Abraham Y. Chen<aychen () avinta com>  wrote:
1)    Thanks for confirming my understanding of the 240/4 history.
Basically, those in charge of the Internet appear to be leaving the
community in the state of informal debates, since there is no more
formal IPv4 working group.
There is one; it's called "intarea" and is a working group of the IETF.

2)    On the other hand, there was a recent APNIC blog that specifically
reminded us of a fairly formal request for re-designating the 240/4
netblock back in 2008 (second grey background box). To me, this means
whether to change the 240/4 status is not an issue. The question is
whether we can identify an application that can maximize its impact.

https://blog.apnic.net/2022/01/19/ip-addressing-in-2021/
Please read our recent Internet-Draft on the subject:

   https://datatracker.ietf.org/doc/draft-schoen-intarea-unicast-240/

In section 2, you will find references to all the previous allocations
(and requests for allocation) of the 240/4 address block.

        John



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