The Internet of today is nothing like the 4-layer theory (the "DoD model") that many of us will have learned about. When looking at the "real thing", it's easy to just understand it as a much messier system, with no clear rules and no underlying theory.

This book changes all of that. It introduces a model that, cleanly and precisely,…

I first encountered academic papers on Compositional Network Architecture by Dr. Zave and Dr. Rexford in 2021, and it immediately caught my attention as a viable framework for building and analyzing networks. The core ideas are simple yet powerful and flexible enough to explain how the modern Internet functions. It provides the perfect level of…

In introducing this blog on LinkedIn, Bruce Davie says, "I commented to my co-author Larry Peterson `I wish we had thought of writing that book.' There is a real issue in how we traditionally teach networking: we use an idealised version of the Internet Architecture that doesn't accurately reflect reality. For example, various forms of tunnels …