This last chapter was a mix of a number of topics which we did not consider to be mainstream enough for other chapters. But we should remember that, in a large ecosystem like Rust has, things evolve very quickly. So some ideas which may not be mainstream today, might just be adopted in the community tomorrow.
Overall, Rust is a wonderful language with enormous potential. We earnestly hope that this book helped the reader get a sense of how to harness its power for network programming.