Comment legacy blocks (Score 5, Informative) 157
John Curran President and CEO
ARIN
I saw a presentation given by the president of ARIN recently on the Research Channel. He predicted that IPV6 and IPV4 will run in parallel for about a decade, so I don't see corporations giving up their IPV4 address space anytime soon.
The fact that I said it doesn't make it true, but I definitely believe that there will be many organizations running IPv4 internally for years to come, and it's only when its commonplace to use IPv6 will organizations think about turning off IPv4. Your mileage may vary.
President and CEO, ARIN
We first need to get BGP on board - only a small percentage of ASNs are announcing both ipv4 and ipv6 space. If i was supreme dictator of the internet I would tell ARIN that in 7 years, no multihomed ASN renewals would be accepted unless the ASN announces at least one prefix in IPv6. By doing this you would force the core network infrastructure to begin migrating and userland would eventually follow...
Steveb - No supreme dictator, but there is an ARIN policy process and *anyone* in the community can submit proposals... https://www.arin.net/policy/pdp.html
"Many network experts argue we're nearing network armageddon, but they've been saying that for years." Say what? "Network armageddon" is already here and we've been living in it for years. The horrors of NAT, the crampedness of addresses making configuration a pain, public addresses expensive, and so on. It's just not been a sudden catastrophe, it's been more like boiling a live frog by putting it in cold water and then slowly heating it.
Slight difference... ISPs can still get (today) fresh blocks of IPv4 addresses. That *will* end in about one year, and then you'll see layers of NAT as you've never seen them before...
I've noticed several design suggestions in your code.