AWS In Practice
Courses
  • Welcome to AWS In Practice by IT Assist Labs!
  • Courses
    • AWS Powered E-commerce Application: A Guided Tour
      • Lesson Learning Paths
        • Lesson Learning Paths - Certification Prep
        • Lesson Learning Paths - Interview Prep
      • Lesson Summaries
        • Introduction
          • E-commerce Application Architecture
        • Multi-Account Strategy
          • Multi-Account Strategy Overview
          • Organization Units
          • Core Accounts
        • Core Microservices
          • Services Overview
          • AWS Well-Architected design framework application
          • Site Reliability Engineering Application
          • DevOps Application
          • Monitoring, Logging and Observability Application
        • AWS Service By Layer
          • AWS Service By Layer Overview
          • Presentation Layer
          • Business Logic Layer
          • Data Layer
        • E-commerce Application Use Cases
          • E-commerce Application Use Cases
          • Roles
      • Lesson Content Navigation Demonstration
    • Explore a Live AWS Environment Powering an E-commerce Application
  • Resources
    • AWS Certification Guide
      • Concepts
        • Security, Identity & Compliance
          • AWS IAM-Related Concepts in Certification Exams
        • Design High-Performing Architectures
          • Designing a high-performing architecture with EC2 and Auto Scaling Groups (ASGs)
    • Insights
      • Zero Trust Architecture (ZTA)
      • Implementing a Zero Trust Architecture(ZTA) with AWS
      • The Modern Application Development Lifecycle - Blue/Green Deployments
      • Microservices Communication Patterns
    • Interview Preparation
      • AWS Solutions Archictect
  • AWS Exploration
    • Use Cases
      • Multi-Region Resiliency with Active-Active Setup
        • Exploration Summary
    • Foundational Solutions Architect Use Cases
    • Security Engineer / Cloud Security Architect Use Cases
    • DevOps / Site Reliability Engineer (SRE) Use Cases
    • Cloud Engineer / Cloud Developer
    • Data Engineer Use Cases
    • Machine Learning Engineer / AI Practitioner Use Cases
    • Network Engineer (Cloud) Use Cases
    • Cost Optimization / FinOps Practitioner Use Cases
    • IT Operations / Systems Administrator Use Cases
  • Study Group
    • AWS Certified Solutions Architect - Associate
      • Study Guide Introduction
      • Domain 1: Design Secure Architectures
        • Task Statement 1.1: Design secure access to AWS resources
          • SecureCart's Journey
          • AWS Identity & Access Management (IAM) Fundamentals
          • AWS Security Token Service (STS)
          • AWS Organization
          • IAM Identity Center
          • AWS Policies
          • Federated Access
          • Directory Service
          • Managing Access Across Multiple Accounts
          • Authorization Models in IAM
          • AWS Control Tower
          • AWS Service Control Policies (SCPs)
          • Use Cases
            • Using IAM Policies and Tags for Access Control in AWS
        • Task Statement 1.2: Design Secure Workloads and Applications
          • SecureCart Journey
          • Application Configuration & Credential Security
          • Copy of Application Configuration & Credential Security
          • Network Segmentation Strategies & Traffic Control
          • Securing Network Traffic & AWS Service Endpoints
          • Protecting Applications from External Threats
          • Securing External Network Connections
          • AWS Network Firewall
          • AWS Firewall Manager
          • IAM Authentication Works with Databases
          • AWS WAF (Web Application Firewall)
          • Use Cases
            • AWS Endpoint Policy for Trusted S3 Buckets
            • Increasing Fault Tolerance for AWS Direct Connect in SecureCart’s Multi-VPC Network
            • Securing Multi-Domain SSL with ALB in SecureCart Using SNI-Based SSL
            • Configuring a Custom Domain Name for API Gateway with AWS Certificate Manager and Route 53
            • Application Load Balancer (ALB) – Redirecting HTTP to HTTPS
            • Security Considerations in ALB Logging & Monitoring
          • Amazon CloudFront and Different Origin Use Cases
          • Security Group
          • CloudFront
          • NACL
          • Amazon Cognito
          • VPC Endpoint
        • Task Statement 1.3: Determine appropriate data security controls
          • SecureCart Journey
          • Data Access & Governance
          • Data Encryption & Key Management
          • Data Retention, Classification & Compliance
          • Data Backup, Replication & Recovery
          • Managing Data Lifecycle & Protection Policies
          • KMS
          • S3 Security Measures
          • KMS Use Cases
          • Use Cases
            • Safely Storing Sensitive Data on EBS and S3
            • Managing Compliance & Security with AWS Config
            • Preventing Sensitive Data Exposure in Amazon S3
            • Encrypting EBS Volumes for HIPAA Compliance
            • EBS Encryption Behavior
            • Using EBS Volume While Snapshot is in Progress
          • Compliance
          • Implementing Access Policies for Encryption Keys
          • Rotating Encryption Keys and Renewing Certificates
          • Implementing Policies for Data Access, Lifecycle, and Protection
          • Rotating encryption keys and renewing certificates
          • Instance Store
          • AWS License Manager
          • Glacier
          • AWS CloudHSM Key Management & Zeroization Protection
          • EBS
        • AWS Security Services
        • Use Cases
          • IAM Policy & Directory Setup for S3 Access via Single Sign-On (SSO)
          • Federating AWS Access with Active Directory (AD FS) for Hybrid Cloud Access
      • Domain 2
        • Task Statement 2.1: Design Scalable and Loosely Coupled Architectures
          • SecureCart Journey
          • API Creation & Management
          • Microservices & Event-Driven Architectures
          • Load Balancing & Scaling Strategies
          • Caching Strategies & Edge Acceleration
          • Serverless & Containerization
          • Workflow Orchestration & Multi-Tier Architectures
        • Task Statement 2.2: Design highly available and/or fault-tolerant architectures
          • SecureCart Journey
          • AWS Global Infrastructure & Distributed Design
          • Load Balancing & Failover Strategies
          • Disaster Recovery (DR) Strategies & Business Continuity
          • Automation & Immutable Infrastructure
          • Monitoring & Workload Visibility
          • Use Cases
            • Amazon RDS Failover Events & Automatic Failover Mechanism
      • Domain 3
        • Task Statement 3.1: Determine high-performing and/or scalable storage solutions
          • SecureCart Journey
          • Understanding AWS Storage Types & Use Cases
          • Storage Performance & Configuration Best Practices
          • Scalable & High-Performance Storage Architectures
          • Hybrid & Multi-Cloud Storage Solutions
          • Storage Optimization & Cost Efficiency
          • Hands-on Labs & Final Challenge
        • Task Statement 3.2: Design High-Performing and Elastic Compute Solutions
          • SecureCart
          • AWS Compute Services & Use Cases
          • Elastic & Auto-Scaling Compute Architectures
          • Decoupling Workloads for Performance
          • Serverless & Containerized Compute Solutions
          • Compute Optimization & Cost Efficiency
        • Task Statement 3.3: Determine High-Performing Database Solutions
          • SecureCart Journey
          • AWS Database Types & Use Cases
          • Database Performance Optimization
          • Caching Strategies for High-Performance Applications
          • Database Scaling & Replication
          • High Availability & Disaster Recovery for Databases
        • Task Statement 3.4: Determine High-Performing and/or Scalable Network Architectures
          • SecureCart Journey
          • AWS Networking Fundamentals & Edge Services
          • Network Architecture & Routing Strategies
          • Load Balancing for Scalability & High Availability
          • Hybrid & Private Network Connectivity
          • Optimizing Network Performance
          • Site-to-Site VPN Integration for SAP HANA in AWS
        • Task Statement 3.5: Determine High-Performing Data Ingestion and Transformation Solutions
          • SecureCart Journey
          • Data Ingestion Strategies & Patterns
          • Data Transformation & ETL Pipelines
          • Secure & Scalable Data Transfer
          • Building & Managing Data Lakes
          • Data Visualization & Analytics
      • Domain 4
        • Task Statement 4.1: Design Cost-Optimized Storage Solutions
          • SecureCart Journey
          • AWS Storage Services & Cost Optimization
          • Storage Tiering & Auto Scaling
          • Data Lifecycle Management & Archival Strategies
          • Hybrid Storage & Data Migration Cost Optimization
          • Cost-Optimized Backup & Disaster Recovery
        • Task Statement 4.2: Design Cost-Optimized Compute Solutions
          • SecureCart Journey
          • AWS Compute Options & Cost Management Tools
          • Compute Purchasing Models & Optimization
          • Scaling Strategies for Cost Efficiency
          • Serverless & Container-Based Cost Optimization
          • Hybrid & Edge Compute Cost Strategies
          • AWS License Manager
        • Task Statement 4.3: Design cost-optimized database solutions
          • SecureCart Journey
          • AWS Database Services & Cost Optimization Tools
          • Database Sizing, Scaling & Capacity Planning
          • Caching Strategies for Cost Efficiency
          • Backup, Retention & Disaster Recovery
          • Cost-Optimized Database Migration Strategies
        • Task Statement 4.4: Design Cost-Optimized Network Architectures
          • SecureCart Journey
          • AWS Network Cost Management & Monitoring
          • Load Balancing & NAT Gateway Cost Optimization
          • Network Connectivity & Peering Strategies
          • Optimizing Data Transfer & Network Routing Costs
          • Content Delivery Network & Edge Caching
      • Week Nine
        • Final Review Session
        • Final Practice Test
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  • Benefits of This Lesson
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  1. Courses
  2. AWS Powered E-commerce Application: A Guided Tour
  3. Lesson Summaries
  4. Core Microservices

Site Reliability Engineering Application

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The lesson outlines AWS Services Used, Value Goals, Strategies, and Implementation Plans for each microservice. Below is a breakdown of how these principles apply to the Product Catalog Service, followed by an overview of the other services.

The lesson evaluates each microservice through the following key sections:

Sections Covered

  1. Service Level Objectives (SLOs):

    • Defines measurable objectives for service reliability, availability, and performance.

    • Sets value goals, such as API latency thresholds, error rate limits, and uptime percentages.

    • Provides strategies for achieving these goals, such as caching, resource optimization, and load testing.

  2. Resilience and Fault Tolerance:

    • Focuses on maintaining service availability during failures or high loads.

    • Covers strategies such as multi-AZ deployments, retry mechanisms, and circuit breakers.

    • Highlights AWS services like DynamoDB Global Tables for data durability and SQS DLQs for error handling.

  3. Observability:

    • Explains how to gain real-time insights into system behavior and dependencies.

    • Describes tools like AWS X-Ray, CloudWatch ServiceLens, and OpenSearch Dashboards for distributed tracing, log aggregation, and dependency health monitoring.

    • Provides actionable insights into request flows, anomaly detection, and system utilization trends.

  4. Incident Response:

    • Details processes for efficient issue detection, alerting, and resolution.

    • Outlines tools like CloudWatch Alarms, SNS Notifications, and AWS Systems Manager for automated recovery actions and notification workflows.

    • Includes runbooks and postmortem reviews to improve incident handling.

  5. Performance Optimization:

    • Covers strategies for improving throughput and reducing latency across services.

    • Describes how to use ElastiCache, OpenSearch, and auto-scaling to optimize performance.

    • Includes AWS services and techniques for caching, indexing, and monitoring query execution times.

  6. Disaster Recovery (DR):

    • Explains how to implement robust DR plans to ensure data availability and minimal downtime during disasters.

    • Highlights cross-region replication with DynamoDB Global Tables and automated failover using Route 53.

    • Provides DR testing methodologies to validate recovery strategies.

  7. Capacity Planning:

    • Discusses how to scale services dynamically to handle traffic growth.

    • Describes the use of auto-scaling for ECS tasks, DynamoDB tables, and other resources.

    • Covers stress testing and resource utilization monitoring to predict capacity needs.

  8. Security and Compliance:

    • Focuses on protecting data and ensuring compliance with security standards like GDPR and PCI DSS.

    • Details security practices, including IAM least privilege policies, data encryption with KMS, and network isolation with VPC endpoints.

    • Explains how GuardDuty and Security Hub are used for continuous compliance and threat detection.

  9. Cost Management:

    • Explains cost-saving strategies while maintaining service quality and performance.

    • Includes techniques like DynamoDB on-demand scaling, S3 Intelligent-Tiering, and using Spot Instance for batch processing.

    • Encourages proactive cost monitoring with tools like AWS Budgets and Trusted Advisor.

  10. Continuous Improvement:

    • Encourages regular reviews and feedback loops to refine SRE practices.

    • Explains how to use tools like the Well-Architected Tool and CloudWatch Dashboards to identify improvement areas.

    • Focuses on rolling out updates and feature enhancements through CI/CD pipelines.

Benefits of This Lesson

  1. Practical SRE Insights: Learn how to implement SRE principles in real-world e-commerce microservices.

  2. Structured Framework: Gain a systematic approach to achieving reliability, scalability, and security.

  3. Comprehensive AWS Integration: Understand the role of AWS services in supporting SRE goals across microservices.

  4. Improved Operational Excellence: Develop skills to enhance service quality, reduce downtime, and optimize costs.

  5. Actionable Strategies: Apply the outlined SLOs, resilience techniques, and observability tools to strengthen platform reliability.

Learning Outcomes

  • Define and Apply Service Level Objectives (SLOs):

    • Understand how to set measurable objectives for reliability, availability, and performance.

    • Learn to define and implement value-driven goals like API latency thresholds, uptime percentages, and error rate limits.

    • Develop strategies to achieve these goals through caching, resource optimization, and load testing.

  • Implement Resilience and Fault Tolerance Strategies:

    • Gain knowledge of maintaining service availability during failures or high loads.

    • Apply techniques like multi-AZ deployments, retry mechanisms, circuit breakers, and dead-letter queues for error handling.

    • Leverage AWS services like DynamoDB Global Tables and Amazon SQS for data durability and fault tolerance.

  • Achieve Observability Across Microservices:

    • Learn to gain real-time insights into system behavior and dependencies.

    • Utilize tools like AWS X-Ray, CloudWatch ServiceLens, and OpenSearch Dashboards for distributed tracing, log aggregation, and anomaly detection.

    • Monitor request flows, dependency health, and utilization trends to optimize system performance.

  • Optimize Incident Response Processes:

    • Build effective processes for issue detection, alerting, and resolution.

    • Automate recovery actions with tools like AWS Systems Manager, CloudWatch Alarms, and SNS Notifications.

    • Enhance incident response with detailed runbooks and conduct postmortem reviews to identify improvement areas.

  • Enhance Performance and Scalability:

    • Learn strategies to improve throughput and reduce latency using caching, indexing, and auto-scaling.

    • Apply performance optimization techniques with services like ElastiCache, OpenSearch, and DynamoDB.

    • Monitor and fine-tune query execution and resource utilization to handle dynamic traffic growth.

  • Develop Robust Disaster Recovery (DR) Plans:

    • Implement cross-region replication and automated failover to ensure data availability during disasters.

    • Use services like DynamoDB Global Tables and Route 53 to build resilient architectures.

    • Validate recovery strategies through disaster recovery testing methodologies.

  • Plan and Scale for Capacity Needs:

    • Learn dynamic scaling techniques using ECS tasks, DynamoDB tables, and auto-scaling groups.

    • Conduct stress testing to predict capacity requirements and ensure resources match traffic growth.

    • Optimize resource allocation to maintain high utilization without overprovisioning.

  • Ensure Security and Compliance:

    • Understand the application of security best practices, including IAM least privilege policies, data encryption, and network isolation.

    • Use AWS services like GuardDuty, Security Hub, and KMS to protect data and ensure compliance with regulations like GDPR and PCI DSS.

    • Implement continuous compliance monitoring to mitigate security risks proactively.

  • Optimize Costs While Maintaining Service Quality:

    • Apply cost-saving strategies such as using DynamoDB on-demand scaling, S3 Intelligent-Tiering, and Spot Instances.

    • Leverage AWS Budgets and Trusted Advisor to track and optimize costs.

    • Balance cost efficiency with operational reliability through resource and budget monitoring.

  • Foster Continuous Improvement:

    • Establish regular feedback loops to refine SRE practices and enhance service quality.

    • Use the AWS Well-Architected Tool and CloudWatch Dashboards to identify areas for improvement.

    • Implement CI/CD pipelines to roll out updates, ensure continuous learning, and evolve platform reliability.


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AWS Powered E-commerce Application: A Guided Tour
Explore a Live AWS Environment Powering an E-commerce Application
AWS Powered E-commerce Application: A Guided Tour
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