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Active vs Passive Measurement in Encrypted Networks
As transport encryption has reduced what can be observed directly from the network, measurement practices…
Posted inInternet Measurement & Observability
Why Passive Network Measurement Became Hard — and Why That Matters
For a long time, network operators could observe performance directly from live traffic. Without modifying…
Posted inInternet Measurement & Observability
Measuring the Encrypted Internet: What We Lost, What We Gained, and What Still Works
For decades, large parts of Internet performance could be observed directly from the network. Operators…
Posted inInternet Measurement & Observability
The QUIC Spin Bit: Measuring Internet Latency in an Encrypted World
As transport encryption has become the default on the Internet, long-established ways of observing network…