Networking @Scale Summer 2022
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Layer Four and Three Quarters: Fantastic Quirks and Where to Find Them | Lucas Pardue

Nestled between transport protocols (TCP, UDP, QUIC) and application protocols (HTTP, etc.) is a layer few are familiar with. Layer 4¾ sits hiding in plain sight, often only being glimpsed during curious events that raise its prominence, such as edge cases under scale of deployment or diverse usage. In this talk, we’ll take a look at the Cloudflare Protocol’s team view of the Internet edge and explore some of the fantastic cases we’ve seen, and what that might mean for future developments of Layer 4 and Layer 7 and the eponymous inbetween.

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