# Ch19-Node-System

- [19.1 Node Concepts](/en/ch19-node-system/19.1-node-concepts.md)
- [19.2 Node Registration and Discovery](/en/ch19-node-system/19.2-node-registration-and-discovery.md)
- [19.3 Node Host Implementation](/en/ch19-node-system/19.3-node-host-implementation.md)