Little's Law — Little, J.D.C. (1961), foundational queueing-theory result.
"Self-Similarity in Ethernet Traffic" — Leland, Taqqu, Willinger, Wilson (1993)
— why real traffic isn't Poisson.
Gil Tene, "How NOT to Measure Latency" (talk) — the definitive explanation of
coordinated omission, and the motivation behind HdrHistogram/wrk2.
Google SRE Book, chapters on SLIs/SLOs and the four golden signals (latency,
traffic, errors, saturation — the request-driven analogue of RED/USE here).
