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Non Functional Requirements

In addition to the functional requirements outlined in the user stories, the system must meet several non-functional requirements to ensure reliability, performance, security, and usability. These requirements define the quality attributes of the platform and provide guidelines for its implementation.

1. Performance Requirements​

  • LLM Model: Must generate a description and categorize an incident within less than 10 seconds. If the model fails to generate a description, the user should be able to manually select a category and provide a description.

2. Scalability Requirements​

  • The application should scale horizontally by adding instances rather than requiring hardware upgrades.
  • Database queries should be optimized to handle increasing data indexation efficiently.

3. Maintainability and Extensibility​

  • The codebase should follow clean architecture principles to allow independent updates and a maintainable environment.
  • The system should be designed to allow for easy integration of new AI models and features without significant rework.
  • Components should be loosely coupled and highly cohesive for easier modifications and integration with multiple systems like Digital Twin.

4. Reliability and Availability​

  • Incident reports and status updates should be synchronized in real-time across the mobile app and desktop platform.
  • A failure in an AI model should not impact the entire system. The user should still be able to submit an incident with a manual description and category selection.

5. Security and Privacy​

  • Communication between the mobile app, desktop platform, and backend services must be encrypted using HTTPS with TLS protocols.

6. Usability​

  • The mobile app and desktop platform should have a user-friendly interface that is intuitive for both citizens and city control operators.
  • The mobile app must be compatible with Android and iOS.

7. Accessibility​

  • The platform should support multiple languages to accommodate diverse populations.
  • The font size should be easily adjustable without breaking the UI layout or design.