HTTP
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Notes
- HTTP The application-layer protocol behind the web and most APIs: a stateless request–response protocol, textual in HTTP/1.x, binary in HTTP/2+, carried over TCP…
- HTTP versions: 1.1, 2 and 3 4 Every HTTP version since 1.1 keeps the same semantics - methods, status codes, headers - and changes only how messages travel.
- HTTP semantics and caching 4 HTTP semantics are the parts that stay the same across HTTP/1.1, HTTP/2 and HTTP/3: methods, status codes, header fields, content negotiation, conditional…
- Short Polling vs Long Polling 4 Both are the client asking "anything new?".