Top Architect
Jul 24, 2020 · Backend Development
Implementing a Custom Protocol with Netty: Design, Encoding/Decoding, and Heartbeat
This article explains why a custom TCP protocol can be more efficient than HTTP, defines the protocol header and body format, and demonstrates a complete Netty implementation—including message classes, encoders/decoders, resolver factories, server‑client bootstraps, and a Ping/Pong heartbeat mechanism—complete with runnable Java code and sample output.
Custom ProtocolJavaMessage Encoding
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