[arin-ppml] IPv4 is depleted today - unrealisticstatementsabout IPv6 inevitability

[Kevin Kargel]

 That would be an accurate assessment of how we do things, however it is
also how our peers do things so in practice we don't get anything smaller
than a /24 from anyone else either..


-----Original Message-----
From: Hyunseog Ryu [mailto:hyunseog.ryu at norlight.com] 
Sent: Wednesday, September 03, 2008 9:13 AM
To: Kevin Kargel; ppml at arin.net
Subject: RE: [arin-ppml] IPv4 is depleted today - unrealisticstatementsabout
IPv6 inevitability

If I do remember correctly, some ISPs are accepting whatever size from BGP
downstream customers.

/25, /26, /27,..., even /30

But they will not advertise those small size of BGP prefixes back to other
peering partners.




-----Original Message-----
From: arin-ppml-bounces at arin.net [mailto:arin-ppml-bounces at arin.net] On
Behalf Of Kevin Kargel
Sent: Wednesday, September 03, 2008 9:07 AM
To: ppml at arin.net
Subject: Re: [arin-ppml] IPv4 is depleted today - unrealistic
statementsabout IPv6 inevitability

 Absolutely, we do that today..

-----Original Message-----
From: arin-ppml-bounces at arin.net [mailto:arin-ppml-bounces at arin.net] On
Behalf Of John Curran
Sent: Wednesday, September 03, 2008 4:58 AM
To: William Herrin
Cc: ppml at arin.net
Subject: Re: [arin-ppml] IPv4 is depleted today - unrealistic
statementsabout IPv6 inevitability

On Sep 2, 2008, at 7:11 PM, William Herrin wrote:
> Doesn't have to. As long as the /24 lower boundary on routability 
> holds, IPv4 will stay on a logarithmic growth curve that flattens out 
> somewhere around 7M or 8M routes.

Just for my understanding, why would /24 remain a realistic lower boundary?
Is this assertion based on an assumption that (all) ISP's in a
post-depletion situation will turn away prospects who show up with a /25 or
smaller IP block?

/John
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