[arin-ppml] 2014-3 Remove 8.2/8.3/8.4 Minimum IPv4 Block Size Requirements

David Huberman David.Huberman at microsoft.com
Wed Mar 19 13:27:15 EDT 2014


As the author, I proposed this policy because it is not ARIN's role to artificially regulate minimum block sizes. I feel this is especially in a post-exhaustion world, which is very quickly coming.  

The economics of routing are the same today as they were 14 years ago when Bill Manning taught me an important principal: people will pay to route whatever you pay them to route. Moreover, there is no technical reason I can think of to require a /24 as the minimum TRANSFERRABLE size.  If two parties wish to exchange smaller prefixes, I cannot see a technical motivation for ARIN policy to prohibit such a transaction.

I ask you to support this policy on principle, or educate us why removing the minimum transferrable block size is harmful to the technical operations of the internet.


David R Huberman
Microsoft Corporation
Senior IT/OPS Program Manager (GFS)

-----Original Message-----
From: arin-ppml-bounces at arin.net [mailto:arin-ppml-bounces at arin.net] On Behalf Of Owen DeLong
Sent: Wednesday, March 19, 2014 9:18 AM
Subject: [arin-ppml] 2014-3 Remove 8.2/8.3/8.4 Minimum IPv4 Block Size Requirements

There has not been a lot of feedback on this proposal. It would be nice to have more input from a broader cross-section of the community.

At present, I am leaning towards recommending that we abandon this proposal for lack of support by the community. If you support this action, please speak up. If you support this proposal, then it is vital that you speak up.

Thank you,


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