Glossary term
What is Socket? Meaning for developers
In System Design
One end of a network connection: IP + port + protocol. Example: Your browser tab talking to 142.250.183.14:443.
Learn it properly · System DesignLesson 1: What Happens When You Type a URL and Press Enter?The one second between pressing Enter and seeing a page hides a DNS lookup, a trip through a dozen routers, two handshakes and a server doing real work. Every later lesson zooms into one part of that journey.In Networking for Developers
One end of a connection: an IP address plus a port.
Learn it properly · Networking for DevelopersLesson 0: How the Internet Works: Layers, Packets and AddressesThe layer models, what a packet is, MAC, IP and ports, and following one request from your laptop to a server.