- Enhanced OPC UA server with node caching and performance monitoring
- Optimized Modbus TCP server with connection pooling and industrial features
- Enhanced REST API with OpenAPI documentation, response caching, and compression
- Protocol-specific security enhancements and performance optimizations
- Added comprehensive performance monitoring across all protocols
- Created 23 unit tests for protocol enhancements
- All 220 tests passing (100% success rate)
- Updated documentation and implementation plan
Features implemented:
- NodeCache for OPC UA server with TTL and LRU eviction
- ConnectionPool for Modbus TCP server with connection limits
- ResponseCache for REST API with configurable TTL
- Performance monitoring with get_protocol_performance_status()
- Enhanced security integration across all protocols
- OpenAPI documentation with security schemes
- Compression middleware for REST API
- Rate limiting and access control for Modbus
- Comprehensive error handling and resource management