The SAE AADL is an extensible architecture analysis and design language for embedded and real-time systems.

The core language provides a precise semantic specification for modeling task and communication architectures and their mapping onto distributed execution platforms.

What AADL can do

• Represent embedded systems as component-based system architecture
• Model component interactions as flows, service calls, and shared access
• Model task execution and communication with precise timing semantics
• Model execution platform and specify application binding
• Represent operational modes and fault tolerant configurations
• Support component evolution and large-scale development
• Accommodate analyses such as reliability &safety- criticality through extensions

What are the benefits

• Prediction and validation of runtime characteristics such as availability, timeliness, security;
• Validated system architectures and implementations;
• Improved development process through single annotated architecture model;
• AADL as part of a model-based engineering enterprise solution;
• AADL models as deliverables and subcontractor management;
• interoperability & integration of commercial and in- house tools.

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