IPv6 Transition

IPv6, Phone Numbers and Analogies

My local area code (814) is running out of phone numbers. When discussing IPv6 with non-technical folks, I frequently use the hypothetical scenario of running out of phone numbers as an analogy for IPv4 address depletion. The conversation usually goes like this: "Imagine if we were running out of phone numbers. One way of solving that problem would be to make them bigger. Instead of ten digits, what if we made then thirty digits? If we did that, how many other things would we have to change? Some mundane things like business cards, letterhead, and phone books. But also more substantial things..." more

Why 2008 Was a Milestone Year for IPv6

The beginning of the year saw IPv6 added to the DNS root, closing a major hole for IPv6-only communication. In mid-year, the US federal government's IPv6 mandate came into effect, requiring all federal IP backbones to support IPv6. While the mandate didn't have anywhere near the effect that many had hoped for, it did spur many vendors to add IPv6 support to their products. The amount of observed IPv6 traffic increased considerably, but we still lack good data for how much IPv6 is being used. So, where were we at the end of 2008? more

Are Domain Name Registrars Ready for IPv6?

Now that ICANN has added IPv6 name servers for the root zone, and that many registries have enabled IPv6 on their DNS servers, I thought it would have been easy to update the DNS records pointing to my domain to mention a IPv6-only DNS server. This way, we could have native name resolution end-to-end in IPv6. We are not there yet, it seems. more

IPv6 for the Rest of Us

IPv6 deployment is in a chicken and egg situation. On the one hand, there is no willingness from ISPs and commodity DNS router manufacturers to include IPv6 support in their infrastructure or equipment because "there is no demand". On the other hand, there is no demand because the average Joe Blow could not care less if he accesses a web site under IPv4 or IPv6. It should just work. The equipment and infrastructure should adapt transparently... What we users can do is to stop waiting for the industry to get its act together and work around its limitations... more

An Open Letter to NTIA, ICANN, and IANA

I am writing this note in order to express my concern about an impending change in the root of the Domain Name System (DNS) and two of the largest Top Level Domains (TLDs). I am concerned that there is a risk of disruption to the net that has not been adequately evaluated and I am concerned that this change is being deployed without adequate monitoring or safeguards. more

Is the Internet Dying?

There are indications that the Internet, at least the Internet as we know it today, is dying. I am always amazed, and appalled, when I fire up a packet monitor and watch the continuous flow of useless junk that arrives at my demarcation routers' interfaces. That background traffic has increased to the point where it makes noticeable lines on my MRTG graphs. And I have little reason for optimism that this increase will cease. Quite the contrary, I find more reason to be pessimistic and believe that this background noise will become a Niagara-like roar that drowns the usability of the Internet. And the net has very long memory... more

How Much Longer Is This IPv6 Transition Going to Take?

The saga of the IPv6 transition continues to surprise us all. RFC 2460, the first complete effort at a specification of the IPv6 protocol, was published in December 1998, more than twenty years ago. The entire point of IPv6 was to specify a successor protocol to IPv4 due to the prospect of running out of IPv4 addresses. Yet we ran out of IPv4 addresses more than a decade ago. more

Still Waiting for IPv6

It's now been a decade since the world officially ran out of blocks of IP addresses. In early 2011 the Internet Assigned Numbers Authority (IANA) announced that it had allocated the last block of IPv4 addresses and warned ISPs to start using the new IPv6 addresses. But here we are a decade later and not one of my clients has converted to IPv6. more

The Internet is Dead - Long Live the Internet

Back in the early 2000s, several notable Internet researchers were predicting the death of the Internet. Based on the narrative, the Internet infrastructure had not been designed for the scale that was being projected at the time, supposedly leading to fatal security and scalability issues. Yet somehow the Internet industry has always found a way to dodge the bullet at the very last minute. more

New Trend: Vanity IPv6 Addresses

It's like a vanity license plate, but for your IP address. Previously under IPv4 DNS registration, users were limited to only using numbers. However, with the height of IPv6 underway users are getting creative with their newfound use of characters. Although you can only use characters A-F, it only takes a little creativity to find ways around this. more

Anyone Who Still Thinks IPv6 Won’t Happen Clearly Isn’t Watching the Measurements

Anyone who still is using the "I'll-just-wait-on-IPv6-because-it-will-never-happen" approach is clearly NOT watching the measurements. First, there was the news last week that Google's IPv6 measurement had crossed over 3% less than five months after crossing the 2% mark. Then today comes word from the World IPv6 Launch measurements program that the February 2014 measurements are up... more

Designing Effective Regulation for IPv6 Adoption

So you are the IT regulator for a country and you are convinced that the shortage of IPv4 address space represents a threat to the development of the Internet in your country and you want to do something about it. Being that as regulator you don't really run the countries IP networks, what can you really do? I've heard many regulators in over 30 countries grapple with this problem. The purpose of this article is to think through some ideas to guide action on using (or not) regulation to drive IPv6 adoption. more

Valuing IP Addresses

The prospect of exhaustion of the IPv4 address space is not a surprise. We've been anticipating this situation since at least 1990. But it's a "lumpy" form of exhaustion. It's not the case that the scarcity pressures for IP addresses are evidently to the same level in every part of the Internet. It's not the case that every single address is being used by an active device. A couple of decades ago we thought that an address utilisation ratio of 10% (where, for example, a block of 256 addresses would be used in a network with some 25 addressed devices) was a great achievement.  more

IPv6 Deployment from a Different Perspective

Often when looking at IPv6 deployment statistics, the size of the organisation or the network is not taken into account. In this article, we look at IPv6 deployment of Local Internet Registries (LIRs) per country in correlation to the size of the LIR. When looking at IPv6 deployment at the LIR level, we can look at the following two metrics... more

IPv4 Historical Imbalances and the Threat to IPv6

It is an open secret that the current state of IPv4 allocation contains many accidental historical imbalances and in particular developing countries who wish to use IPv4 are disadvantaged by the lack of addresses available through ordinary allocation and are forced into purchasing addresses on the open market. As most of the addresses for sale are held by organisations based in the developed world, this amounts to a transfer of wealth from the developing world to the developed world, on terms set by the developed world. more