Streams, Packets, and Protocols: Inside Modern C++ Networking

by Nova Trelix

As C++ networking shifts from callbacks to coroutines, the distance between readable code and wire‑speed performance has never been smaller—or more treacherous. This book is for seasoned C++ engineers, protocol authors, and performance‑minded systems developers who need to ship reliable, low‑latency services. It bridges elegant abstractions with gritty timeouts, partial I/O, head‑of‑line blocking, MTUs, TLS handshakes, and cross‑platform quirks from Linux epoll to Windows IOCP.

Coroutines form the master suspension, cancellation, and back‑pressure, then compose safe asynchronous flows. Apply C++23 span, byte, endian, chrono, and PMR to buffers and deadlines. Compare reactor/proactor loops; design executors and timers. Dive into buffer sequences, scatter/gather, zero‑copy; IP, sockets, MTU/MSS; TCP framing and tuning; UDP batching, multicast, and a pragmatic QUIC tour. Put it together with Boost.Asio/Networking TS, TLS 1.3 on OpenSSL 3, io_uring and IOCP, and resilient DNS with Happy Eyeballs.

strong modern C++ (C++20/23), familiarity with OS concurrency and basic networking. Examples favor idiomatic, allocation‑aware C++ and portable Asio‑style APIs. The emphasis is determinism under load, tail‑latency discipline, robust teardown, observability, and build hygiene with sanitizers, LTO, and PGO.

421 pages, Kindle Edition

Published November 7, 2025