Transport Layer

The TCP Handshake

Understanding SYN, SYN-ACK, ACK sequence and latency penalties.

Security Layer

TLS 1.3 Architecture

How 1-RTT cryptographic handshakes are achieved.

Application Layer

HTTP/3 and QUIC

UDP transport replacing legacy TCP streams.

Application Layer

HTTP/2 Multiplexing

Binary framing and solving the 6-connection limit.

Transport Layer

UDP Datagrams

Connectionless, unacknowledged raw packet transmission.