In message <[email protected]>, David Conrad
 writes:
>
> Joe,
>
> On Feb 26, 2014, at 10:34 PM, Joe Abley <[email protected]> wrote:
> >>> On Feb 25, 2014, at 9:51 AM, Stuart Cheshire <[email protected]>
> wrote:
> >>>> If we have *some* pseudo-TLDs reserved for local-use names,
> > I still don't see why we need a TLD, or a delegation/reservation under
> ARPA.
>
> Because if something isn't documented, people tend to squat.
>
> > There are many, many TLDs under which an application/protocol
> implementer can reserve some namespace for their exclusive use at low
> cost ($10/year, say). Why is this approach not preferred for a new
> application/protocol? It seems far simpler.
>
> Why does RFC 1918 address space exist?

Because IPv4 address were and always have been a scarse resource
and RFC 1918 is a reaction to that.  Homes use it because CPE vendors
built it into their devices because

        * Lots of ISP's would only give you one address
        * Those that didn't often charged you a lot
        * Ridiculous ISP terms and conditions that prohibited multiple
          machines.

> Regards,
> -drc
> 
> 
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: [email protected]

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