Business Logic Layer
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This lesson provides a deep dive into the Business Logic Layer of an e-commerce architecture, detailing how AWS services such as Amazon EC2, AWS Lambda, AWS ECS Fargate, and AWS Elastic Beanstalk are utilized to implement and manage core application logic. The lesson emphasizes best practices for deployment, monitoring, scalability, and security, ensuring a robust and efficient architecture capable of handling complex business processes.
AWS Well-Architected Framework (WAF):
Application of the WAF pillars (Operational Excellence, Security, Reliability, Performance Efficiency, Cost Optimization, and Sustainability) to services in the Business Logic Layer.
Guidance on designing scalable, secure, and maintainable solutions aligned with AWS best practices.
Monitoring and Metrics:
Tools and strategies for monitoring resource usage, application performance, and system health.
Key metrics like CPU utilization, memory usage, response times, and error rates across EC2, Lambda, Fargate, and Elastic Beanstalk.
Patching and Maintenance:
Automated and manual patching processes for underlying infrastructure to maintain security and compliance.
Implementation of maintenance windows for updates with minimal application downtime.
Backup and Recovery:
Strategies for ensuring data resilience and availability during failures or disasters.
Tools and techniques for automated backups and recovery testing in a multi-service environment.
VPC and Networking:
Networking configurations for secure and efficient communication within the Business Logic Layer.
Use of VPCs, subnets, and security groups to isolate workloads and ensure compliance.
Resilience and High Availability:
Deployment strategies like Multi-AZ (Availability Zone) setups and auto-scaling to ensure application uptime.
Design patterns for failover and redundancy to handle high traffic and unexpected failures.
Security and Compliance:
Role of IAM policies, encryption, and network isolation in securing business logic services.
Continuous compliance monitoring with AWS Config and other security tools.
Comparison of Compute Options:
Evaluation of EC2, Lambda, ECS Fargate, and Elastic Beanstalk for various use cases in the Business Logic Layer.
Pros and cons of each service in terms of cost, scalability, and operational overhead.
Deployment and Automation:
CI/CD pipelines and tools for automating the deployment of business logic.
Blue/green and canary deployment strategies to minimize risk during updates.
Amazon EC2:
Flexible virtual server configurations for hosting custom applications.
Use cases: High-performance, stateful workloads requiring direct OS-level control.
AWS Lambda:
Serverless compute for running business logic without managing servers.
Use cases: Event-driven workflows and lightweight, stateless functions.
AWS ECS Fargate:
Managed container service for deploying and scaling microservices.
Use cases: Containerized applications requiring low operational overhead.
AWS Elastic Beanstalk:
Managed service for deploying applications with minimal infrastructure management.
Use cases: Quick deployment of web applications and APIs.
Understand Service Roles: Gain a clear understanding of how each AWS service fits into the Business Logic Layer and interacts with other architectural components.
Apply Best Practices: Learn to implement AWS best practices for scalability, security, and operational excellence.
Select the Right Tool: Develop the ability to evaluate and choose the appropriate compute service for specific use cases.
Optimize Performance: Learn to monitor key metrics, troubleshoot issues, and enhance application performance using AWS tools.
Enhance Resilience: Gain knowledge on building fault-tolerant applications using AWS multi-region and multi-AZ setups.
Ensure Security: Understand strategies for securing compute services and meeting compliance requirements.
Practical Insights: Provides real-world examples and strategies for deploying and managing the Business Logic Layer.
Comprehensive Coverage: Includes all essential aspects such as monitoring, backup, security, and performance optimization.
AWS Service Mastery: Equips learners with a deep understanding of AWS services critical to the Business Logic Layer.
Improved Decision-Making: Enables informed decisions on service selection based on application requirements.
Enhanced Operational Excellence: Prepares learners to design and operate business logic services with minimal downtime and optimal performance.
