> For the complete documentation index, see [llms.txt](https://awsinpractice.itassist.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://awsinpractice.itassist.com/study-group/aws-certified-solutions-architect-associate/domain-2/task-statement-2.2-design-highly-available-and-or-fault-tolerant-architectures.md).

# Task Statement 2.2: Design highly available and/or fault-tolerant architectures

This study group will explore **high availability (HA) and fault tolerance (FT) strategies** using **AWS global infrastructure, distributed architectures, disaster recovery (DR) strategies, and automation techniques**.

We will follow **SecureCart**, an e-commerce platform, as they build **resilient AWS architectures** to ensure **zero downtime, disaster recovery readiness, and workload visibility**.

***

### **📅 Study Group Agenda**

| **Week**   | **Topic**                                               | **Key AWS Services**                                                          |
| ---------- | ------------------------------------------------------- | ----------------------------------------------------------------------------- |
| **Week 1** | AWS Global Infrastructure & Distributed Design          | AWS Regions, Availability Zones, Route 53                                     |
| **Week 2** | Load Balancing & Failover Strategies                    | ALB, NLB, Route 53 Failover, RDS Proxy                                        |
| **Week 3** | Disaster Recovery (DR) Strategies & Business Continuity | AWS Backup, Multi-Region Failover, RTO/RPO                                    |
| **Week 4** | Automation & Immutable Infrastructure                   | AWS Auto Scaling, Infrastructure as Code (IaC), AWS Elastic Disaster Recovery |
| **Week 5** | Monitoring & Workload Visibility                        | AWS X-Ray, CloudWatch, AWS Health                                             |
| **Week 6** | Hands-on Labs & Final Challenge                         | Implementing HA & DR Strategies                                               |

### **Final Study Group Summary**

| **Week**   | **Focus Area**                             | **Outcome**                                       |
| ---------- | ------------------------------------------ | ------------------------------------------------- |
| **Week 1** | Global Infrastructure & Distributed Design | Deploy HA Applications Using AWS Regions & AZs    |
| **Week 2** | Load Balancing & Failover                  | Use ALB, Route 53 Failover & RDS Proxy            |
| **Week 3** | Disaster Recovery Strategies               | Implement AWS Backup & Multi-Region Failover      |
| **Week 4** | Automation & Immutable Infrastructure      | Deploy Auto Scaling & AWS Elastic DR              |
| **Week 5** | Monitoring & Workload Visibility           | Monitor HA Workloads Using AWS X-Ray & CloudWatch |
| **Week 6** | Hands-on Scenarios                         | Apply HA & DR Strategies Across AWS Workloads     |

***

### **🚀 Next Steps**

Would you like:\
✅ **Terraform automation scripts for HA & DR architectures?**\
✅ **Scenario-based quizzes for each study group session?**\
✅ **Instructor-led deep-dive discussions?**


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