[KyOSS Discuss] Suggested discussion topic: IPv4 address exhaustion and IPv6 adoption

Alan Blount zeroasterisk at gmail.com
Sun Sep 16 22:59:43 EDT 2012

Sounds like a very interesting topic. Alas I am not going to be helpful with the answers to these questions, but I'll be very interested to hear them. 

On Sep 16, 2012, at 3:25 PM, Barton Chittenden <bartonski at gmail.com> wrote:

> On September 14, RIPE NCC, the European regional internet registry, started allocating IP addresses from its last /8 address block. This is the beginning of the end of the allocation of the IPv4 address space (i.e. addresses of the form xxx.xxx.xxx.xxx) as we know it. Allocation of IPv4 addresses in Europe is now strictly rationed.
> ARIN (American Registry of Internet Numbers) will be down to its last /8 by this time next year.
> The long term solution to this problem is to start using IPv6 addresses, which are essentially unlimited (The address space is so large that you could assign about a thousand times the current internet address space to each cell of every one of the 7 billion people on earth).
> The problem of switching to IPv6 is a chicken-and-egg problem: internet users won't switch to IPv6 addresses because there are very few sites that they can connect to which use IPv6, and no content providers use IPv6 addresses because no-one visits via IPv6. Most ISPs don't provide IPv6 addresses (or if they do, no-one realizes that they do).
> There are some short-term solutions, but they destroy the point-to-point nature of the internet which can cause problems.
> I have a decent handle on what's happening and why, but I have zero experience with setting up a network using IPv6... in many ways, it should be transparent (as IPv4 is... you connect your computer to a router via cat5 cable or wireless, and you're connected). Obviously, it's not quite that easy, if it was, we would all be using IPv6 and we wouldn't be worrying about running out of address space.
> I was wondering if some of the local network gurus could give a talk about this:
> A primer on IP addresses in general
> What physical steps do I need to take to set up an IPv6 network? (e.g. a LAN).
> Are there any issues involved with running both IPv4 and IPv6 on the same network?
> How do I connect to the internet via IPv6?
> Will my ISP provide IPv6 addresses?
> Are there security issues involved with using IPv6, and if so, how do I fix these?
> ...
> Any takers? I would be willing to do the presentation, but, as I said, I have zero practical experience, and I think that the topic deserves more than hand-waving.
> --Barton
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