In this talk we use a number of real examples, drawn from network and system measurements, to demonstrate that performance metrics are not always what we expect. Specifically, we examine cases where TCP-measured latency and throughput, and metrics reported by client browsers, require calibration to avoid inaccurate conclusions. We will also discuss the value of establishing trends, with examples to encourage operators to understand the data before they really need it.
As a member of Google networking team, Hossein Lotfi’s passion is to run complex and cross-functional networking programs. Prior to Google Hossein led performance engineering at EdgeCast (a CDN acquired by Verizon), where his full-stack team of engineers were working on troubleshooting complex network problems and finding ways to improve CDN performance.
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