Head Of Line Blocking

TCP vs SCTP: What Is the Difference?

TCP is a single-stream, byte-oriented, reliable transport protocol, while SCTP (Stream Control Transmission Protocol) is a message-oriented transport that supp…

What Is HTTP/3 and QUIC?

HTTP/3 is the third major version of HTTP that runs over QUIC, a transport protocol built on UDP, instead of TCP — this eliminates TCP-level head-of-line block…

What is HTTP Pipelining?

HTTP pipelining is an HTTP/1.1 technique where a client sends multiple requests over a single persistent TCP connection without waiting for each response, but…

What Are Common UDP Use Cases?

UDP is best used where low latency and minimal overhead matter more than guaranteed delivery, such as DNS lookups, live video/voice streaming, online multiplay…

When Should You Use TCP vs UDP?

Use TCP when correctness and ordered, complete delivery matter more than latency (web pages, file transfers, APIs), and use UDP when low latency and minimal ov…

What is Connection Multiplexing and How Does HTTP/2 Use It?

Connection multiplexing is sending multiple independent logical streams of data over a single shared physical or transport connection instead of opening a sepa…

HTTP/1.1 vs HTTP/2: What Changed?

HTTP/2 replaces HTTP/1.1’s text-based, one-request-per-connection-slot model with a single binary-framed connection that multiplexes many concurrent request/re…

What Is HTTP/3 and How Does QUIC Change Things?

HTTP/3 runs over QUIC, a transport protocol built on UDP instead of TCP, which gives each multiplexed stream its own independent loss-recovery so packet loss o…