Networking Concepts

How data moves between programs and machines.

Intermediate

This is an overview — pick a sub-topic below.

Sub-topics (8)

TCP gives reliable ordered streams; UDP sends fast, unreliable datagrams; sockets are the programming interface to both.

Easy♥ 0🔖 0💬 0

How names become IP addresses (DNS), devices get addresses (DHCP) and packets find paths (routing).

Intermediate♥ 0🔖 0💬 0

Configure switches and routers with code instead of manual CLI sessions.

Intermediate♥ 0🔖 0💬 0

Decouple programs with queues (RabbitMQ, Redis) and event logs (Kafka).

Intermediate♥ 0🔖 0💬 0

Call functions on remote services with typed messages.

Intermediate♥ 0🔖 0💬 0

Lightweight messaging for devices: MQTT (publish/subscribe), CoAP (REST for constrained devices), AMQP (enterprise queues).

Intermediate♥ 0🔖 0💬 0

Split work across machines, agree on state despite failures (Raft/Paxos), and spread load.

Advanced♥ 0🔖 0💬 0

Build systems as small independent services that find each other dynamically.

Advanced♥ 0🔖 0💬 0

Spotted a mistake or want to add detail? Suggest an improvement — Content Contributors' edits are reviewed by editors before they go live.