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Questions and Answers
Quel est l'avantage principal de l'architecture dirigée par événements ?
Quel est le rôle principal de la passerelle d'API ?
Quel est l'avantage principal de la conteneurisation ?
Quel est le principe clé de la conception dirigée par le domaine ?
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Quel est le rôle de la découverte de services dans l'architecture microservices ?
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Quel est l'avantage principal de l'architecture de frontal micro ?
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La découverte de services implique toujours l'utilisation d'un registre centralisé.
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L'architecture dirigée par événements est incompatible avec les architectures microservices.
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Les micro-frontend sont des composants indépendants qui s'exécutent dans des conteneurs séparés.
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La passerelle d'API est responsable de la mise en route des réponses des microservices.
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La conteneurisation est un concept qui est étroitement lié à l'architecture microservices.
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La conteneurisation est une forme de virtualisation qui nécessite un noyau dédié pour chaque environnement isolé.
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La conception dirigée par le domaine vise à créer des logiciels qui reflètent exactement les besoins de l'entreprise.
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La passerelle d'API est responsable de la découverte de services dans l'architecture microservices.
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L'architecture de frontal micro utilise une approche monolithique pour la mise en page de l'interface utilisateur.
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L'architecture dirigée par événements est une approche de développement logiciel qui met l'accent sur la modélisation du domaine métier.
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Study Notes
Architecture Microservices
Service Discovery
- A mechanism that allows services to find and communicate with each other
- Enables dynamic registration and deregistration of services
- Types:
- Client-side discovery: clients are responsible for service discovery
- Server-side discovery: a centralized registry is used
- Techniques:
- DNS-based service discovery
- Registry-based service discovery (e.g., etcd, ZooKeeper)
- Peer-to-peer service discovery
Event-driven Architecture
- A software architecture pattern that focuses on producing and handling events
- Components communicate with each other by publishing and subscribing to events
- Characteristics:
- Loose coupling between components
- Asynchronous communication
- Scalability and flexibility
- Benefits:
- Improved system resilience and fault tolerance
- Easier integration of new components
- Enhanced scalability and performance
API Gateway
- A single entry point for clients to access microservices
- Acts as a reverse proxy, routing requests to the appropriate service
- Responsibilities:
- Authentication and authorization
- Rate limiting and quota management
- API key validation
- SSL termination
- Load balancing
- Benefits:
- Simplified client-side complexity
- Improved security and governance
- Enhanced scalability and performance
Micro Frontend
- An architectural approach that extends microservices to the frontend
- Each feature or component is developed, deployed, and scaled independently
- Characteristics:
- Independent deployment and scaling
- Autonomous teams and development
- Integration through APIs and events
- Benefits:
- Improved scalability and resilience
- Faster time-to-market for new features
- Enhanced flexibility and customization
Containerization
- A lightweight and portable way to deploy applications
- Containers share the same OS kernel as the host
- Benefits:
- Isolation and sandboxing
- Efficient resource allocation
- Rapid deployment and scaling
- Popular containerization technologies:
- Docker
- rkt
- Open Container Initiative (OCI)
Domain-driven Design (DDD)
- An approach to software development that focuses on the core business domain
- Emphasizes understanding the business domain and modeling its concepts and processes
- Key concepts:
- Bounded contexts: autonomous domains with their own models
- Entities: objects with identity and state
- Value objects: immutable objects with a set of values
- Aggregates: clusters of objects that can be treated as a single unit
- Benefits:
- Improved communication between business stakeholders and developers
- More accurate modeling of the business domain
- Enhanced maintainability and scalability
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Description
Test your knowledge of microservices architecture concepts, including service discovery, event-driven architecture, API gateways, micro frontends, containerization, and domain-driven design.
