20 Questions
What is the primary consideration in horizontal and vertical integration across the life cycle?
Interface boundaries and interactions
During which process are interface requirements for external and internal systems identified and defined?
System Requirements Definition process
What does the System Analysis process include to understand interface requirements and definition?
Mathematical analysis, modeling, simulation, experimentation, and other techniques
Which life cycle concept activity identifies major interface boundaries between the System of Interest and external systems?
Preliminary life cycle concept definition activities
What is a key characteristic of today’s complex, software-intensive systems?
Increased number of internal interactions within systems
How do modern software-intensive systems differ in terms of interactions from the past mechanical/electrical systems?
Interactions involving computer modules and communication busses
What effect does the increased number of interactions have on the complexity of a system?
Greatly increases the complexity of integration of system elements
In modern automobiles, what can be observed in terms of computer modules and sensors?
More than 150 computer modules connected to each other and multiple sensors
What is the purpose of interface analysis in interface management?
To ensure consistency and manage risks
What technique can be used for interface analysis to create systematic N2 diagrams?
Data flow diagrams
In an N2 diagram, how are interactions represented?
Clockwise direction with blank squares indicating no interaction
Why is interface analysis crucial for managing risks in system integration, verification, and validation?
To ensure consistency and manage risks associated with interface boundaries and interactions
What type of diagram can be used to characterize information flow and define interface interactions?
N2 diagrams
What is the primary purpose of coupling matrices in system architecture?
To optimize aggregate definition and verify interfaces during integration
What is the role of architecture description frameworks?
To ensure harmonization and accelerate architecting
Which framework provides dimensions for perspectives and aspects in system architecture?
Unified Architecture Method (UAM)
What is the primary purpose of architecture evaluation?
To determine the extent to which architectures meet objectives and stakeholder concerns
Which framework allows performing architecture evaluation in three steps: defining objectives, development of evaluation method, and analysis of architecture concepts and properties?
ATAM
What is included in architecture capability?
Skills and governance logic
Which framework was established to ensure consistency with enterprise strategy?
Sowa and Zachman framework
Study Notes
- Architecture implementation in IT and defense domains uses frameworks like TOGAF, NAF, and DoDAF
- Implementation includes metamodel development, architecture development methods, standards library, architecture repository and registry, and architecture capability
- Architecture capability includes skills and governance logic
- Enterprise and product architecture frameworks established to ensure consistency with enterprise strategy (Sowa and Zachman, 1992)
- Multiple entities with interrelated life cycles must be considered during architecting
- Architecture management implements governance directives and manages architecture description
- Architecture description accomplished through Architecture Conceptualization and Architecture Elaboration (ISO/IEC/IEEE 42010 and 42020)
- Architecture evaluation determines extent to which architectures meet objectives, stakeholder concerns, and requirements (ISO/IEC/IEEE 42030)
- Architecture evaluation frameworks like Architecture Tradeoff Analysis Method (ATAM) and Method Framework for Engineering System Architectures (MFESA) allow performing evaluation in three steps: defining objectives, development of evaluation method, and analysis of architecture concepts and properties.
Explore the key activities involved in interface management, such as facilitating cooperation with stakeholders, defining roles and responsibilities, enabling open communication, and resolving problems. Understand the importance of interface analysis within the Project Planning process.
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