I've long been impressed by how many key contributors to the IETF were not only among the top practitioners in their fields but also fantastic writers, able to

I've long been impressed by how many key contributors to the IETF were not only among the top practitioners in their fields but also fantastic writers, able to describe their work and necessary next steps with just the right balance of simplicity and complexity and always with clarity. Many of the more important RFCs are almost a joy to read, and this article - written by the author of many of the NTP-related RFCs and predecessor docs - is a gem: Clear, concise, to the point, balanced, informative.