IPv6 Transition

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IPv6 Security Myth #2: IPv6 Has Security Designed In

Today we continue with part 2 of the 10 part series on IPv6 Security Myths by debunking one of the myths I overhear people propagating out loud far too much: That you don't need to worry about security because IPv6 has it built into the protocol. In this post, we'll explore several of the reasons that this is in fact a myth and look at some harsh realities surrounding IPv6 security. more

Moving Beyond Telephone Numbers - The Need for a Secure, Ubiquitous Application-Layer Identifier

Do "smart" parking meters really need phone numbers? Does every "smart meter" installed by electric utilities need a telephone number? Does every new car with a built-in navigation system need a phone number? Does every Amazon Kindle (and similar e-readers) really need its own phone number? In the absence of an alternative identifier, the answer seems to be a resounding "yes" to all of the above. more

NTIA Holding Workshop on IPv6

The National Telecommunications and Information Administration (NTIA) is hosting a workshop today discussing the state of IPv6 in the U.S. and its impact on the industry, government, and the Internet economy. The moderators for the workshop are Aneesh Chopra, Chief Technology Officer of the United States and Vivek Kundra, Chief Information Officer of the United States. Participants include... more

The IPv4 Market - 2018 Mid-Year Report

The number of IPv4 transactions and volume of IP addresses flowing to and from organizations in the ARIN region in the last 6 months put 2018 on track to be the most active year in the history of the IPv4 market. Nearly 25 million numbers were transferred in the first half of this year, more than doubling the volume of numbers transferred by this time last year and continuing the level of market activity in the last half of 2017 when just over 28 million numbers were transferred. 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

Where is Metadata Anyway?

I can't help but think that the situation in this rather old joke applies very precisely to the current Australian efforts to compel network operators, through some contemplated regulatory instrument, to record and retain network-collected data about their customers' online activities. What I'd like to examine here the emerging picture that while networks, and network operators, make convenient targets for such surveillance efforts, the reality of today's IP network's are far more complex, and Internet networks are increasingly ignorant about what their customers do. more

As IPv6 Deploys, Will We Look Back on NAT as the Ugly Step Sister or Unsung Hero?

The debates are raging over whether or not we should migrate to IPv6. The strongest argument is the enormous address space that will allow for everyone and everything to have a unique public address, many addresses actually. It is often said that the shortage of public IPv4 addresses has limited our capabilities because it led to the pervasive use of private addressing, Network Address Translation (NAT) and Port Address Translation (PAT). Though these technologies remain critical, they are often regarded as stop-gap measures, and they sometimes create problems. In some circles, NAT has acquired a very bad name. But is that a fair perspective of the technology? Let's review the positives and negatives. more

The Trouble With 6to4

In the transition from IPv4 to IPv6, the preferred solution for network endpoints is to have both native IPv4 and IPv6 connectivity (also called dual-stack connectivity). If a site cannot get native IPv6 connectivity, however, the IPv4 network endpoints can choose from a number of conversion technologies to connect to the IPv6 Internet. The most commonly used conversion mechanisms are 6to4, Teredo and tunnel-brokers. At recent RIPE meetings there have been claims that 6to4 connectivity is quite often broken. We were interested to find out how broken it really is. more

CircleID’s Top 10 Posts of 2013

Here we are with CircleID's annual roundup of top ten most popular posts featured during 2013 (based on overall readership). Congratulations to all the participants whose posts reached top readership and best wishes to the entire community for 2014. more

Developing Internet of Things Building Blocks


The Internet is undergoing an evolutionary transformation resulting from the explosive growth of things that are interconnected. From single purpose sensors through wearable technologies to sophisticated computing devices, we are creating, exchanging, and consuming more data at rates that would have been inconceivable just a decade ago. The market suggests the average consumer believes this is the best world possible. As technologists, we have a responsibility to consider if we are building an Internet that is in the best interest of the user. more

The Open Internet?

I'm sure we've all heard about "the open Internet." The expression builds upon a rich pedigree of term "open" in various contexts. For example, "open government" is the governing doctrine which holds that citizens have the right to access the documents and proceedings of the government to allow for effective public oversight, a concept that appears to be able to trace its antecedents back to the age of enlightenment in 17th century Europe. more

IETF 85 Begins Next Week In Atlanta - Here Is How To Follow Along

The 85th meeting of the Internet Engineering Task Force (IETF) begins next week in Atlanta, Georgia, USA. Over 1000 engineers, maybe as many as 1400 or more, from all around the world will gather in various working groups to discuss and debate issues relating to the open standards that define the Internet's infrastructure. more

How Failure To Maintain IPv6 Is Hindering Law Enforcement

Recently, the FBI, DEA and even the Canadian Mounted Police have suggested that the switch to IPv6 is making it more difficult to track criminals online, those who would traffic in things such as drugs or child pornography, in addition to hackers, botnets, kidnappers and terrorists. Under IPv4, it wasn't very difficult to find offenders online via their IP addresses. The American Registry of Internet Numbers (ARIN) would hand out the address and internet providers would log them into the public WHOIS database. more

IPv6: A Lost Decade?

A 'decade from hell', according to Times Magazine, a 'dazing decade' says Newsweek. In Copenhagen, at the Climate Change Conference, the World Meteorological Organization talked of the 'hottest decade on record'. BusinessWeek characterized the decade as one of 'innovation interrupted'. All this gloom made me wonder how to qualify our IPv6 decade? more

IPv6: Beware of Dirty, Muddy IPv4 Addresses as the Pool Dries Up

Mid March a special plenary session of the Canadian standard committee isacc was convened in Ottawa to review the final report of the Canadian IPv6 Task Group. It was unanimously approved and the essence of its 66 pages are seven recommendations for Government, Industry, Service and Content providers, and the regulator, CRTC to proceed with diligence, even some sense of urgency. One paragraph provides an interesting new twist... more