Depending what you are doing, with latencies (or throughput) in that range, sticking a black box library in there right away might not be the best idea always.

Depending what you are doing, with latencies (or throughput) in that range, sticking a black box library in there right away might not be the best idea always. Doing what the author did is also a way to learn how things work. Eventually the library might be the answer, but if I had to do what they did, I would do it by hand first as well.