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ENG 203_7C - ENG 203:SYSTEM ARCHITECTURE System Engineering...

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ENG 203:SYSTEM ARCHITECTURE 01/20/12 1 System Engineering in an Acquisition Context John M. Borky 2009 - all rights reserved Engineering 203 System Architecture Dr. Mike Borky [email protected] (Cell) 505 453-0496 © John M. Borky 2009 – all rights reserved
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ENG 203:SYSTEM ARCHITECTURE 01/20/12 2 Session 7 – Real-Time and Secure Systems Lectures: 7A – Characteristics of Real-Time Systems 7B – Real-Time Analysis 7C –Real-Time Architecture and Implementation 7D – Security and Information Assurance John M. Borky 2009 - all rights reserved
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ENG 203:SYSTEM ARCHITECTURE 01/20/12 3 Lecture 7C – Designing and Implementing a Real-Time System Architecture John M. Borky 2009 - all rights reserved
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ENG 203:SYSTEM ARCHITECTURE 01/20/12 4 Operational and Logical Views John M. Borky 2009 - all rights reserved OV – ensure time-sensitive requirements are captured: Rigorous analysis and documentation/modeling of all system behaviors, especially time-sensitive; likely to involve more use of Sequence and State Machine Diagrams than in non-RT architectures Analysis and refinement of a requirements baseline, including quantitative RT requirements; careful mapping to Use Cases and Threads Interfaces to external systems and resources, attention to time- sensitive aspects Interfaces between RT and non-RT domains LV – reflect time-sensitivity in design: Flow down RT requirements to Structural and Behavioral Diagrams Timing analysis; likely to require close coordination with executable architecture modeling and simulation Key design decisions such as infrastructure layering, scheduling policy, interconnect topology and protocol(s), and use of RT SOA Careful functional design of interfaces, including timing constraints
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ENG 203:SYSTEM ARCHITECTURE 01/20/12 5 Hardware Considerations John M. Borky 2009 - all rights reserved
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