TCP, UDP and applications
Topic 13 of 26. 0 questions:
What this topic covers
- three way handshake
- four way close and TIME_WAIT
- TCP header and flags
- sequence and acknowledgment numbers
- sliding window and window scaling
- retransmission and RTO
- fast retransmit
- congestion control slow start avoidance CUBIC BBR
- TCP vs UDP and when to use which
- well known ports
- MTU MSS and PMTUD black holes
- MSS clamping
- HTTP 1.1 vs 2 vs 3 and QUIC
- TLS 1.3 handshake
- certificates and the chain of trust
- sockets and ephemeral ports
- keepalives
- what happens when you type a URL
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