Efficient datacenter case studies

How the largest operators have pushed efficiency, and what smaller sites can borrow from them. (Page 74)

EWMA and RiskMetrics

Exponentially weighted moving averages for covariance and variance, and why simpler models often beat GARCH in fast trading. (Page 103)

On Early Detection

Spotting failure points before they become outages, using the right mix of sensors, signals, and human judgment. (Page 73)