[AusNOG] What does an IPv6 broadband service look like? WAS Re:IPv4 Exhaustion

[Matthew Moyle-Croft]

Clever CPE is a very interesting approach - why do v4 to v4 NAT at the  
ISP when you can do v4 to IPv6 at the consumer.

MMC

On 01/08/2008, at 2:24 PM, Barrie Hall wrote:

> Very good question.
>
> The thinking around here goes like this (with all the usual "my  
> thoughts, not my employer disclaimer"):
>
> Pre-V4 Exhaustion: Dual stack 4/4 and 6/6  (and maybe 4/6)
>
> As we approach exhaustion: Dual Stack 4/4/4 and 6/6  (and maybe 4/6)
>
> That middle '4' is a bone of great contention which I am not going  
> to let go of. Failed to get it APNIC 25.
>
> Getting into more general terms I think we all need to acknowledge  
> that for 99.99% of our customers, there is nothing in V6 for them.  
> For the industry, it's all about keeping the lights on in world  
> depleted of V4 address space.
>
> My personal view is that, from a customer's perspective, we should  
> not be insisting that they upgrade their home network devices (PC's)  
> to support V6. That implies some clever CPE and thats the real  
> problem. The CPE vendors are behind.
>
> Regards,
> Barrie
>
> ----- Original Message -----
> From: Matthew Moyle-Croft
> To: Mark Newton
> Cc: Chris Chaundy ; ausnog at ausnog.net
> Sent: Friday, August 01, 2008 11:48 AM
> Subject: [AusNOG] What does an IPv6 broadband service look like? WAS  
> Re:IPv4 Exhaustion
>
> To change direction a little here to focus this on something other  
> than NAT:
>
> One thing that is on my mind and we have internally been struggling  
> with is:
>
> What DOES an IPv6 broadband service really look and smell like?
>
> It's not that easy to map our existing ingrained views on an IPv4  
> broadband service onto a v6 or dual stack world.
>
> What IP ranges do customers get with IPv6?  /128 and NAT/Proxy?  / 
> 96? /64? /48? etc
> Do they necessarily get a static subnet?  Why/Why Not?  What  
> implications does it have for your internal IGP?
> If they get a static subnet then do they get to play with reverse  
> mappings?
> How will the transition from v4 to dual stack to some interim step  
> to v6 only go?
>
> I know a lot of the geeks will go "well, obviously a static /48 with  
> our own controllable reverse mappings" but on a LARGE scale with  
> mostly non-geek home users then what exactly does it look like?
>
> What do the CPE vendors need to support?   What do we need to support?
>
> MMC
>
> -- 
> Matthew Moyle-Croft Internode/Agile Peering and Core Networks
> Level 4, 150 Grenfell Street, Adelaide, SA 5000 Australia
> Email: mmc at internode.com.au    Web: http://www.on.net
> Direct: +61-8-8228-2909        Mobile: +61-419-900-366
> Reception: +61-8-8228-2999        Fax: +61-8-8235-6909
>
>
>
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> AusNOG at ausnog.net
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-- 
Matthew Moyle-Croft Internode/Agile Peering and Core Networks
Level 4, 150 Grenfell Street, Adelaide, SA 5000 Australia
Email: mmc at internode.com.au    Web: http://www.on.net
Direct: +61-8-8228-2909		     Mobile: +61-419-900-366
Reception: +61-8-8228-2999        Fax: +61-8-8235-6909

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