Network transmission principles, protocols and performance metrics: TCP/IP, HTTP, FTP, VPN, latency, jitter and QoS

What this note covers

1. Packet switching and the TCP/IP layers
2. Application protocols: HTTP, HTTPS, FTP and VPN
3. Routing, forwarding, flow control and congestion control
4. Error detection and error correction
5. Performance metrics: latency, jitter, guarantee and timeliness
6. Quality of service and the CIA triad on networks

6 sections · 12 key terms & formulas · 6 common mistakes