Packet ↔ formatted data chunk sent over Network

aka packets, network-packet

Hop Limit

Error detection and correction

Priority

Address

network payload

data carried on behalf of app

vs big chunk

References

1. SOCKS5 ↔ Network Protocol to route packets through Proxy + optional Auth

2. TCP/IP ↔ Network Protocol to connect hosts over IP Address & exchange data via packets after establish connection

3. Router ↔ device to forward Packet between PCs & Networks

4. UDP ↔ Network Protocol to send datagram Packet over Web w/o pre-establish connection