[arin-ppml] CGN multiplier was: RE: Input on an article by Geoff Huston (potentially/myopically off-topic addendum)

Matthew Kaufman matthew at matthew.at
Thu Sep 15 08:07:02 EDT 2011

On 9/15/11 1:58 PM, Owen DeLong wrote:
> On Sep 15, 2011, at 4:49 AM, Matthew Kaufman wrote:
>> On 9/15/11 4:05 AM, Owen DeLong wrote:
>>> If you can spell out that functionality, I'll be happy to show you how to do that in IPv6. It may require a certain amount of rethinking your methodology, but, I have yet to encounter an application where you could not achieve just as good a result without NAT using better methods available in IPv6.
>> I'll take you up on that. Solutions presented must not rely on a third party tunnel broker.
>> 1. "Dual-WAN router". I have a dozen PCs on people's desktops. I want to use whichever of my two ISPs is currently up and running, noting that either may fail at any time. The PCs are running XP SP3 and you may not change any software on them.
> Easy... Connect one WAN port to Provider A.
> Connect second WAN port to provider B.
> Obtain PI space and ASN from ARIN.
> Obtain inexpensive 1-U colo from two (reasonably local) colo or colo-resellers.

Bzzt. I am a small company with a dozen PCs and a little router box. No 
way am I going to colo a server somewhere.
> Place small inexpensive routers in each of the colos and get a BGP default (or full tables if you like in IPv6, at least for now) from each of the colo upstreams.

I'm definitely not collocating a router somewhere. I just want the one 
little router that I purchased at Best Buy plugged into my two ISPs.

> Build tunnels between your dual WAN router and your colo routers.
> Advertise iBGP across the tunnels to the colo routers and eBGP from the colo routers.
> No third party tunnel broker, reliable true multihoming.

Try again.

Matthew Kaufman

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