From Proprietary Protocols to gRPC: A Major Leap in Tainuo's Heterogeneous Industrial Control Communication Architecture

1. Why We Had to Abandon Our Legacy Proprietary Protocols

For a long time, Tainuo’s industrial control boards communicated with the host computer and print control terminals using self-built proprietary protocols. These protocols were indeed lightweight, flexible, and easy to modify during single-category development. However, as Tainuo gradually moves toward Industry 5.0 standards, our system architecture is evolving into a “universal industrial-grade heterogeneous computing and intelligent control platform.”

Against this backdrop, the legacy proprietary protocols exposed three irreconcilable pain points: prohibitively high multi-language SDK maintenance costs (C#, C++/Rust heterogeneous endpoints required manual parser rewriting), lack of strong type safety boundaries, and difficulty in flexibly extending RPC services across heterogeneous systems.

2. Why gRPC + Protobuf?

As of July 2026, the team reached a major milestone: we completely abandoned past proprietary protocols and JSON, migrating the entire system to the gRPC communication framework. All integration tests and extreme stress tests passed with flying colors.

gRPC has brought a qualitative leap to Tainuo: schema-first contracts, extreme high performance and low latency through binary serialization. It also seamlessly integrates with Dong Jiaqi’s tincore “Oxidation Plan,” achieving perfect compatibility through the Rust ecosystem’s tonic library — delivering both extreme performance and absolute memory safety.