[AfriNIC-rpd] Section 3.5.2 of AFPUB-2010-v4-005-draft-02 (Re: Section 3.8 of AFPUB-2010-v4-005-draft-02)

[Mark Elkins]

On Wed, 2011-05-04 at 10:20 -0700, sm+afrinic at elandsys.com wrote:
> Hello,
> At 13:28 03-05-2011, Andrew Alston wrote:
> >In section 3.5.1, in the paragraph:
> >
> >Exhaustion Phase 2
> >During this phase a minimum allocation/assignment size will be /27, and
> >the maximum will be /22 per allocation/assignment.
> >
> >I believe that the /27 should be modified to be /24, this is in order to
> >avoid pollution of the routing table and avoid the complexities
> >surrounding sub /24 assignments that will not be globally routable
> >because of global filtering.
> 
> James Blessing mentioned that "Whilst it may seem like a good idea to 
> reduce the allocation size, many ISPs filter at the /24 level (for 
> various reasons) and this will cause severe reach-ability 
> issues".  McTim mentioned that "if ppl ONLY want a /27, we CAN give 
> them that size prefix of it is not intended to be routed".  Leo 
> Vegoda pointed out that "in the past I have seen cases where people 
> wanted unique addresses for numbering private networks, VPNs and so on".
> 
> Graham Beneke said the following:
> 
>    "There were a number of queries about this in Johannesburg. We reached
>     consensus by surrender rather than true consensus."
> 
> That's called "consensus by exhaustion".
> 
> Andrew Alston stated that "it is globally accepted that a /24 is 
> minimum announcable size in the DFZ".  I gather that there is 
> consensus on that statement.
> 
> My recommendation is to change the minimum allocation/assignment size 
> in Section 3.5.2 from /27 to /24.  If you have strong concerns about 
> this, you can always write a new proposal to update that section.

I agree to the /24 minimum. I think its technically the correct thing to
do.

> 
> Regards,
> S. Moonesamy
> Interim co-chair, AfriNIC Policy Development Working Group 
> 
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-- 
  .  .     ___. .__      Posix Systems - Sth Africa
 /| /|       / /__       mje at posix.co.za  -  Mark J Elkins, Cisco CCIE
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