[arin-ppml] Draft Policy ARIN-2012-7: Reassignments for Third Party Internet Access (TPIA) over Cable

George Herbert george.herbert at gmail.com
Thu Sep 6 17:50:01 EDT 2012

On Thu, Sep 6, 2012 at 2:43 PM, William Herrin <bill at herrin.us> wrote:
> On Thu, Sep 6, 2012 at 5:37 PM, William Herrin <bill at herrin.us> wrote:
>> On Thu, Sep 6, 2012 at 5:17 PM,
>> <Jean-Francois.TremblayING at videotron.com> wrote:
>>>> William Herrin <bill at herrin.us>
>>>> Wait, let me do the math. So if I have 50 customers in one
>>>> neighborhood (one node) and -nothing- anywhere else in the cable
>>>> operator's 1000 node region, I have to provision a /16 so that each
>>>> node can have a /26 and each of my 50 customers can use a single
>>>> dynamic IP address?
>>> Yes. Because the next day, these 50 customers are on a different router.
>>>> This is the behavior ARIN is asked to facilitate?
>>> This is not a behavior. This how DOCSIS and CMTSes work.
>> Then how are you justifying your own IP addresses to ARIN? The delta
>> between customer count on your peak node and your average node should
>> be too high to let you meet ARIN's utilization requirements.
> To clarify, I mean you the incumbent cable provider, not you the third
> party ISP. How is the incumbent meeting his own direct obligations
> trying to match ARIN policy against this alleged DOCSIS/CMTS
> limitation.
> Regards,
> Bill Herrin

Without any particular insight into the details...

1918 space in the various dispersed routers, and 1:1 NAT to public
space from a central concentrator?  Some protocols object to NAT

-george william herbert
george.herbert at gmail.com

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