Safe and Secure Networked Embedded Applications

This paper discusses a safety and security-based approach to networked embedded system application designs dedicated to various domains. After introducing typical dependability requirements for embedded system applications, it deals with industrial sensor applications development support aiming at distributed components interconnected by wired intranets and wireless sensor networks. The paper discusses a safety and security-driven design approach to embedded applications. It focuses on an integrated networking that stems from the IEEE 1451.1 smart transducer interface standard 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 and ZigBee. The case study demonstrates how clients can access groups of wireless smart pressure and temperature sensors and valves through Internet effectively using developed system architecture while respecting prescribed requirements for application dependent safety and security.