Technical Specifications

Technical specifications form the foundation of any development project. They allow formalizing functional and technical needs before starting development.

Business Rules

Business rules define the business constraints that the system must respect. They guide implementation and ensure functional consistency.

Structure of a Business Rule

BR001 - User Authentication

• Domain: Security
• Description: A user must authenticate to access the application
• Condition: If the user is not connected
• Action: Redirect to login page
• Exception: Public pages (home, contact)

UML Modeling

Essential Diagrams

Activity Diagram

Represents processing flows and business processes.

Use Case Diagram

Identifies interactions between actors and the system.

Sequence Diagram

Describes interactions between objects over time.

Class Diagram

Represents the static structure of the system.

Merise Method

CDM (Conceptual Data Model)

The CDM represents business data without technical considerations.

LDM (Logical Data Model)

The LDM transforms the CDM into a relational structure.

PDM (Physical Data Model)

The PDM specifies technical implementation in a specific DBMS.

RBAC (Role-Based Access Control)

RBAC organizes permissions around roles assigned to users.

RBAC Components

• User: Physical person using the system
• Role: Coherent set of permissions
• Permission: Authorization to perform an action on a resource
• Resource: Protected object or data

Competitive Benchmark

Analysis Methodology

Competitive analysis helps understand the market and position your solution.

Evaluation Criteria

• Features: Business needs coverage
• UX/UI: Ergonomics and design
• Performance: Response time, scalability
• Price: Economic model and pricing
• Support: Documentation, assistance

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For the complete content in French, please visit: Spécifications Techniques