The IPv6 ON Button

You’ve decided you want IPv6 on your web site. Here’s how. Step 1. Find your web host below and follow the instructions. Step 2. Update DNS–create a AAAA record with a test name (www6) pointing to your IPv6 address. Step 3. Test the site from your machine, your phone, and https://ipv6-test.com/validate.php Step 4. Update the […]

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Prisoner of IPv6

Ten years ago, I gave a presentation on the Total Cost of Ownership of Carrier Grade NAT (TCO of CGN). I’ve revised that original TCO of CGN spreadsheet, and at NANOG 76 I revisited it in a presentation called “Prisoner of IPv4.” (slides, video) Given certain assumptions about how bad CGN affects customers, it’s possible to […]

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Fast

IPv6 is faster than IPv4. Nobody ever believes me when I tell them this, but the evidence is overwhelming. APNIC 2013: This APNIC chart shows some big spikes, but meaningfully, a significant number of IPv6 connections (the stuff to the left of center) are just a bit faster than IPv4, when measuring Round Trip Time […]

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The State of IPv6-only

Statistics abound on the deployment of IPv6 and where it might be in a couple years (hint: with a Logistic adoption curve, 50% of the world may be using IPv6 mid-2019). So that’s the first half of the transition: dual stack. How are we doing on actually migrating to IPv6? What is the state of IPv6-only? It’s not as crazy a question as it probably […]

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