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System Architecture

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Spacecraft Attitude Control

Definition

System architecture refers to the conceptual model that defines the structure, behavior, and more views of a system. It outlines the organization of components, their interactions, and how they fit together to meet specified requirements. This framework is crucial for ensuring that all parts of a system work harmoniously towards achieving overall goals while addressing constraints such as performance, reliability, and cost.

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5 Must Know Facts For Your Next Test

  1. System architecture is essential for translating user requirements into specific technical solutions, guiding the design and implementation phases.
  2. It incorporates various elements such as hardware, software, data, processes, and personnel into a coherent framework.
  3. Architectural patterns help in creating reusable solutions for common problems within system design.
  4. A well-defined system architecture enhances maintainability and scalability by clearly outlining interactions and dependencies among components.
  5. The architecture must also consider non-functional requirements like security, usability, and performance, which can significantly affect system success.

Review Questions

  • How does system architecture facilitate the translation of requirements into design solutions?
    • System architecture plays a vital role in translating requirements into design solutions by providing a structured framework that connects user needs with technical specifications. It breaks down complex requirements into manageable components, guiding designers on how to implement functionalities that meet these needs. This ensures that all parts of the system are aligned with the overarching goals while allowing for flexibility in addressing individual component requirements.
  • Discuss the importance of defining non-functional requirements in system architecture and their impact on overall system performance.
    • Defining non-functional requirements is critical in system architecture as these requirements dictate how well the system performs under various conditions. Factors such as security, usability, reliability, and performance must be integrated into the architectural design to ensure the final product meets stakeholder expectations. Neglecting these aspects can lead to systems that may function correctly but fail to meet user satisfaction or operational effectiveness.
  • Evaluate how different architectural patterns can influence the scalability and maintainability of a system over its lifecycle.
    • Different architectural patterns greatly influence a system's scalability and maintainability throughout its lifecycle by establishing clear guidelines for component interaction and data flow. For instance, adopting a microservices architecture allows individual services to scale independently, improving resource management and reducing downtime during updates. Conversely, tightly coupled architectures can hinder maintenance efforts and limit scalability due to interdependencies. Understanding these impacts helps architects select the most appropriate pattern based on current needs while anticipating future growth.
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