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

[Barrie Hall]

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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