John Heidemann

Digging in to Ground Truth in Network Measurements

TitleDigging in to Ground Truth in Network Measurements
Publication TypeMiscellaneous
Year of Publication2017
AuthorsJ. Heidemann

New network measurements are great–-you can learn about the whole world! But new network measurements are horrible–-are you sure you learn about the world, and not about bugs in your code or approach? New scientific approaches must be tested and ultimately calibrated against ground truth. Yet ground truth about the Internet can be quite difficult–-often network operators themselves do not know all the details of their network. This talk will explore the role of ground truth in network measurement: getting it when you can, alternatives when it's imperfect, and what we learn when none is available.