Bezpečné sítě mikroelektronických systémů

embedded system, smart sensor, wireless network, Internet, safety, security

This report presents a safety and security-based approach to networked embedded system design that offers reusable design patterns for applications dedicated to various domains. After introducing dependability requirements for such embedded system applications as smart sensor networks, it deals with industrial, sensor-based applications development support aiming at distributed components interconnected by wired Internet compatible intranets and wireless sensor networks. The report presents a safety and security-driven approach to embedded system design for an industrial class of Internet-based applications. It discusses an integrated networking framework stemming from the IEEE 1451.1 smart transducer interface standard, which is an object-based networking model supporting client-server and publish-subscribe communication patterns in group messaging, and from the IP multicast communication, all together mediating safe and secure access to smart sensors through Internet. The case study demonstrates how clients can access groups of wireless smart pressure and temperature sensors and valves effectively through Internet using developed system architecture while respecting prescribed requirements for application dependent safety and security.