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OARC held its fall meeting in Belgrade on October 22 and 23. Here are my impressions of some of the presentations from that meeting. UI, UX, and the Registry/Registrar Landscape One of the major reforms introduced by ICANN in the world of DNS name management was the separation of registry…
The topic of the robustness of IPv6 Extension Headers has experienced a resurgence of interest in recent months. I’d like to update our earlier report on this topic with some more recent measurement data. These extensions to the basic IPv6 packet header have their antecedents in the IPv4 option fields.…
In policy work nothing is ever truly simply black and white. The means to achieve one outcome may well act to impair the work to achieve different outcomes, and the resultant effort often requires some difficult decisions to balance what appears to be some fundamental tensions between various policy objectives.…
There is no single name system that is necessarily bound to the Internet. Unlike IP addresses which are in every IP packet, names are an application construct, and, in theory, applications have considerable latitude in how they handle such names. There could be many name systems that could coexist within…
One of the discussion topics at the recent ICANN 75 meeting was an old favourite of mine, namely the topic of Internet Fragmentation. Here, I’d like to explore this topic in a little more detail and look behind the kneejerk response of declaiming fragmentation as bad under any and all…
In September 2012 ETNO, the European Telecommunications Networks Operators’ Association, or most notably Deutsche Telekom and France Telecom and fellow legacy telcos in Europe published a contribution to the 2012 World Conference in International Telecommunications (WCIT-12) with a proposal for regulatory reform that in ETNO’s words would compel content providers…
A couple of months ago, in July 2022, I wrote about our work in measuring the level of use of QUIC in the Internet (https://www.potaroo.net/ispcol/2022-07/quic.html). Getting this measurement “right” has been an interesting exercise, and it’s been a learning experience that I’d like to relate here. We’ll start from the…
The evolution of the DNS name resolution environment has seen the DNS recursive resolver moving further away from the end client, with an Internet segment often being interposed between the client and the recursive resolver. The combination of an open DNS protocol and a public Internet segment between the client…
Let’s take a second to look back some 50 years to the world of 1972, and the technology and telecommunications environment at that time. The world of 1972 was one populated by a relatively small collection of massive (and eye-wateringly expensive) mainframe computers that were tended by a set of…
IETF 114 was held in the last week of July 2022 as a hybrid meeting, with the physical meeting being held in Philadelphia. Here’s my notes on topics that attracted my interest from the week. IEPG The IEPG meetings are held each Sunday prior to the IETF week. These days…
