How SSH got to be on port 22
How SSH was neatly assigned between ports 21 (Telnet) and 23 (FTP) — two protocols it was set to succeed.
[Podcast] Measuring Starlink TCP performance
Geoff Huston explores the performance of the BBR and Cubic flow control algorithms on the Starlink network through comprehensive measurements.
[Podcast] Using fibre optics to measure vehicle traffic
Dr Mona Jaber from QMUL discusses her research into the use of fibre optic communication systems to measure traffic, digital twins and social-science led research.
Email is getting harder to self-host. Or is it?
About new email deliverability guidelines for Google, Yahoo, and Outlook.
[Podcast] Digital sovereignty and standards
Geoff Huston discusses the EU taking a direct role in the IETF standards development process.
When it’s not DNS, it’s probably NTP
An intriguing detective story about debugging a chain of problems.
[Podcast] DNS-OARC’s many faces
DNS-OARC’s president, Phil Regnauld, discusses the three faces of DNS-OARC — the community, tools, and DITL collection.
The end of the (IPv4) world is not nigh… yet
Reducing reliance on IPv4 is the goal. For some governments, this goal is significant enough to warrant action.
[Podcast] DELEG — in-band DNS delegation
Geoff Huston discusses a proposed new way to manage the DNS mechanisms for delegation.
Useful IP geo resources
Understanding geolocation’s mechanics and sources is beneficial.