Transport Layer
TCP versus UDP, the three-way handshake, flow control, congestion control, and ports.
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Refused straight away, or waiting forever
Foundation
- Not triedRefused straight away, or waiting foreverFoundation
- Not triedTCP or UDP?Foundation
- Not triedWhat a port number is forFoundation
- Not triedWhat TCP adds that IP does not give youFoundation
- Not triedWhich does a live video call use?Foundation
- Not triedWhy a connection takes three messagesFoundation
- Not triedChoosing TCP or UDPCore
- Not triedWhy three messages and not two?Core
- Not triedWhy three messages and not two?Core
- Not triedA 40 millisecond pause that nobody asked forChallenge
- Not triedA timeout longer than the thing it protectsChallenge
- Not triedThousands of connections that refuse to disappearChallenge
- Not triedThroughput from window and RTTChallenge