[arin-ppml] Feedback on ARIN 53 question on micro-allocations for IXPs

[Chris Malayter]

I support Ryan/CommunityIX as well.

Chris Malayter
CoreSite


> On Apr 18, 2024, at 8:01 PM, John Osmon <josmon at rigozsaurus.com> wrote:
> 
> On Thu, Apr 18, 2024 at 06:44:26PM -0400, Ryan Woolley wrote:
> [... two IXPs named...]
> 
>> Both IXPs have been assigned IP address space from ARIN.  Each IXP uses one
>> prefix for the member LAN, which is not announced outside of our members’
>> networks, and a second, routed, prefix for the IXP infrastructure.
> 
> I run a community IX and have been looking at this issue closely of late
> as well.
> 
> I've come to the conclusion that the IX needs two blocks of unique
> addressing in both IPv4 and IPv6.  One for the unannounced member LAN,
> and another that is announced for the IX infrastructure for similar
> reasons as Ryan:
> 
>> The routed prefix supports operations critical to the operation of the
>> exchange.  Our member portal, network management systems, and equipment
>> loopback addresses are, by need and design, addressed in routable IP
>> space.  For example, route servers build filters based on ROAs and IRR
>> databases, and configurations are replicated off-site.
>> 
>> Unlike an IXP affiliated with an ISP or data center operator, we have no
>> line of business which would enable us to borrow IP space from, for
>> example, a pool maintained for allocation to IP transit customers.  Our
>> transit is provided as a donation by members, who may come or go as their
>> connectivity needs require, so we cannot reasonably use
>> non-provider-independent IP space.
> 
> When reading Ryan's note, I felt like he'd pulled lines directly from
> conversations I've had with our members lately. We were about to move
> forward with a request for PI space.  I await hearing views from others.
> 
> 
> -- 
> John Osmon
> New Mexico Internet Exhange dba ABQIX
> 
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