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This article explains the fundamental components of RPC architecture, details the client‑server roles, communication protocols, serialization methods, transport protocols, and synchronous versus asynchronous invocation patterns, providing a comprehensive guide for building a custom RPC framework.
This article explains the evolution of HTTP, the release of the HTTP/3 RFC, how QUIC leverages UDP to provide faster, secure connections with 0‑RTT handshakes, solves head‑of‑line blocking, improves congestion and flow control, and details its core mechanisms such as connection migration and ACK handling.
QUIC, a UDP‑based transport protocol that merges TCP reliability, UDP speed, and TLS security, underpins HTTP/3 by eliminating TCP’s three‑way handshake and head‑of‑line blocking, offering connection migration, 0‑RTT latency, customizable congestion control, fully encrypted packets, and is already being deployed in services such as Tencent Cloud CDN.