Technical Architecture

System Architecture Diagram

Client LayerWeb Management Console / App / Mobile Client

HTTPS / WebSocket

Spring Cloud GatewayUnified Entry · JWT Authentication · Request Routing · Rate Limiting

User Serviceuser

Gateway Managementmgmt

Data Servicedata

Application Serviceapp

Extension Hookexhook

Common Servicecommon

Infrastructure LayerMySQL 8 · Redis · InfluxDB · Nacos · MQTT Broker

MQTT

Edge Gateway DevicesGo-HTTP

Technology Stack

Category	Technology	Description
Base Framework	Java 17 + Spring Boot 3.0.2	Latest LTS version
Microservice Governance	Spring Cloud Alibaba 2022	Nacos service registry and configuration center
API Gateway	Spring Cloud Gateway	Unified entry, authentication, and routing
Service Invocation	OpenFeign	Load-balanced calls between microservices
Business Database	MySQL 8.0	Structured business-data storage
Cache	Redis	Session caching and hot-data acceleration
Time-Series Database	InfluxDB	Large-scale time-series data storage and queries
Message Middleware	EMQX	MQTT broker supporting tens of thousands of devices
Excel Processing	EasyExcel 3.3 + Apache POI 4.1	Batch import and export
RPC Framework	gRPC	Remote calls for the extension-hook module
SMS Service	Alibaba Cloud SMS	User notifications and verification codes

Microservice Modules

Module	Name	Responsibilities
user	User Service	User authentication, roles and permissions, and project management
mgmt	Gateway Management	Gateway lifecycle, device management, Cloud SCADA, and remote operations and maintenance
data	Data Service	Data ingestion, storage, queries, and data broadcasting
app	Application Service	Mobile-app APIs
exhook	Extension Hook	gRPC remote hooks and third-party system integration
common	Common Service	Shared utilities and foundational services
gateway	API Gateway	Unified authentication, route distribution, rate limiting, and circuit breaking