E-commerce Application Use Cases

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This lesson focuses on understanding the request flow for various customer use cases in an e-commerce architecture, with a detailed example of the Inventory use case. The content breaks down how requests are processed at different layers, showcasing the seamless orchestration of AWS services to fulfill requests efficiently. The objective is to provide learners with a clear understanding of how various components interact to handle requests while maintaining scalability, security, and performance.

Key Areas Covered:

• Use Cases Overview:

  • Backoffice Use Cases: Examples include Inventory, Shipping, Product Management, and Invoice Processing.

  • Storefront Use Cases: Examples include Product Search, Cart Operations, Customer Reviews, and Checkout.

  • Account Use Cases: Examples include User Registration, Authentication, and Profile Management.

• Request Flow Layers:

  • Request Layer: Initial request handling, validation, and routing.

    • Services: Amazon ECS Fargate, Amazon RDS, Kafka.

  • Processing Layer: Business logic execution to process requests.

    • Services: Amazon ECS Fargate, Kafka, and Amazon RDS for transactional integrity.

  • Data Layer: Data storage and retrieval for request fulfillment.

• Monitoring and Logging:

  • Monitoring request flow using Amazon CloudWatch and AWS X-Ray for end-to-end visibility.

  • Analyzing logs with Amazon OpenSearch to optimize processing.

• Security and Compliance:

  • Leveraging AWS IAM, VPC, and encryption at rest and in transit to secure requests and data flow.

Learning Outcomes:

• Request Flow Analysis: Understand the flow of customer requests across architectural layers, from initiation to data processing.

• Service Integration: Gain insights into how AWS services like Amazon ECS Fargate, Kafka, and Amazon RDS collaborate to deliver seamless functionality.

• Practical Use Case Understanding: Learn how specific use cases like Inventory are implemented, ensuring availability and consistency in an e-commerce context.

• Performance and Optimization: Develop skills to optimize request handling for high throughput and low latency using monitoring and logging tools.

• Security Best Practices: Learn how to secure request flows and maintain compliance with industry standards.

Benefits of the Lesson:

• End-to-End Visibility: Build a comprehensive understanding of how e-commerce requests are processed and managed.

• Practical Application: Gain actionable knowledge to implement similar request flows in real-world architectures.

• Secure Processing: Understand best practices for ensuring secure and compliant request handling.

• Enhanced Scalability: Learn how to scale request flows for high-demand scenarios.

• Secure Processing: Understand best practices for ensuring secure and compliant request handling.