ICANN DNS Symposium

ICANN hosted a Resolver Operator Forum in mid-December, and the session had several interesting presentations that I would like to comment on here. DNS Resolver Evolution The first presentation in this forum was from Paul Mockapetris. He pointed to the original academic published paper, Development of the Domain Name System,…


IPv4 Address Markets

Something odd happened through 2021 in the market for IPv4 addresses. Across 2021 the reported market price for the transfer of IPv4 addresses has doubled, from approximately USD27 per IPv4 individual address at the end of 2020 to around USD55 per address in December 2021. It has taken 7 years…


DNS-OARC 36

It’s conference and workshop season right now, and November has been unusually busy this year. At the end of the month was the DNS Operations and Research meeting, DNS-OARC 36. These are my notes from those presentations that I found to be of interest. Slack’s DNSSEC Debacle It’s a pretty…


Some Notes from RIPE 83

The RIPE community held a meeting in November. Like most community meetings in these Covid-blighted times it was a virtual meeting. Here’s my notes from a few presentations that piqued my interest. All the material presented at the meeting can be found at https://ripe83.ripe.net/. Vulnerability Disclosure Responsible Disclosure is a…


DINR 2021

From the recent writeup of the DNS work at the IETF its clear that there is a large amount of attention being focussed on the DNS. It’s not just an IETF conversation, or a DNS OARC conversation, but a conversation that involves a considerable amount of research activity as well.…


IETF 112

Virtual meetings continue in the IETF, and the latest one was IETF 112 in November. Here’s my notes from some selected working group meetings that caught my attention. These cover some of the topics that are not directly associated with the DNS, as I’ve separately commented on the status of…


DNS at IETF112

Virtual meetings continue in the IETF, and the latest one was IETF 112 in November. Here are notes from some selected working group meetings that caught my attention. And, yes, I should say at the outset that the DNS continues to catch a lot of my attention these days, so…


NANOG 83

The network operations community is cautiously heading back into a mode of in person meetings and the NANOG meeting at the start of November was a hybrid affair with a mix of in-person and virtual participation, both by the presenters and the attendees. I was one of the virtual mob,…


RSA vs ECDSA for DNSSEC

It has often been said of technology standards that the good thing is that there are just so many to pick from! The same is true, to perhaps a more limited extent, in the world of cryptography. The choices may not be quite so diverse, but there are still many…


On DNS Openness

When we deregulated the telephone industry, we replaced these national monopolies and their vertically bundled structures with a collection of separate enterprises whose actions are orchestrated by market forces rather than by the dictates of the incumbent monopoly telco. This was a comprehensive upheaval to the telecommunications industry, and one…