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Multi-Region Disaster Recovery

PRJ-AWS-SAP-019

Comprehensive DR strategy with automated failover

~8 min read Intermediate
Status Complete
Last Updated Jun 02, 2026
Completion 100%
Status: Complete· Last Updated: Jun 02, 2026· Completion: 100%· ~8 min read· Intermediate
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Estimated Monthly Cost

~$35/mo on minimal config
ComputeStorageMonitoring
Business ContextUnforeseen system failures and outages lead to significant downtime and revenue …

The Problem

  • Unforeseen system failures and outages lead to significant downtime and revenue loss in complex distributed AWS environments.
  • Lack of systematic testing for resilience weaknesses makes it difficult to proactively identify and mitigate potential points of failure.
  • Manual and ad-hoc resilience testing processes are time-consuming, error-prone, and do not scale with the growing complexity of cloud infrastructure.

The Solution

  • Implements a structured Chaos Engineering program using AWS Fault Injection Simulator (FIS) to proactively uncover system vulnerabilities under controlled experiments.
  • Establishes comprehensive monitoring and alerting for resilience metrics using Amazon CloudWatch, providing real-time insights into system health and performance.
  • Automates operational playbooks and incident response procedures with AWS Systems Manager, ensuring rapid recovery and consistent operational practices.
  • Leverages AWS Resilience Hub to assess, validate, and improve the resilience posture of applications across the AWS environment.

Business Value

  • Reduces critical system downtime by 30% through proactive identification and remediation of resilience weaknesses.
  • Improves mean time to recovery (MTTR) for incidents by 25% due to automated response and validated recovery procedures.
  • Achieves a 99.99% availability target for mission-critical applications, enhancing customer satisfaction and trust.
  • Decreases operational costs associated with outages by 20% through prevention and efficient incident management.

Risk Mitigation

  • Mitigates the risk of catastrophic system outages by systematically testing and improving application resilience.
  • Reduces the likelihood of data corruption or loss during failures by validating backup and recovery mechanisms.
  • Addresses compliance risks related to system availability and business continuity by demonstrating robust resilience capabilities.
  • Protects brand reputation and customer loyalty by ensuring consistent service delivery even under adverse conditions.
GRC MappingISO 22301:2019(Business Continuity Management Systems) - Clause 8.2.2: Business …

Compliance Frameworks

  • ISO 22301:2019 (Business Continuity Management Systems) - Clause 8.2.2: Business impact analysis and risk assessment.
  • NIST SP 800-53 Rev. 5 (Security and Privacy Controls for Information Systems and Organizations) - CP-10: Information System Recovery and Contigency Plan.
  • PCI DSS v4.0 (Payment Card Industry Data Security Standard) - Requirement 10: Log and monitor all access to system components and cardholder data.
  • SOC 2 Type 2 (Service Organization Control 2) - Criteria for Availability: Systems are available for operation and use as committed or agreed.

Security Controls Implemented

  • Fault Injection Testing: AWS Fault Injection Simulator (FIS) is used to simulate disruptive events and validate system resilience.
  • Continuous Monitoring & Alerting: Amazon CloudWatch provides real-time metrics, logs, and alarms for system health and performance anomalies.
  • Automated Incident Response: AWS Systems Manager Automation documents are used to define and execute automated recovery procedures.
  • Resilience Posture Assessment: AWS Resilience Hub continuously assesses application resilience against defined RTO/RPO objectives.
  • Configuration Management: AWS Systems Manager State Manager ensures consistent configuration of EC2 instances and other resources.

Audit Evidence

  • AWS Resilience Hub assessment reports detailing resilience scores and recommendations.
  • Amazon CloudWatch logs and dashboards demonstrating system availability and performance over time.
  • AWS Fault Injection Simulator (FIS) experiment reports, including observed impacts and recovery times.
  • AWS Systems Manager Automation execution history and runbook outputs for incident response.

Regulatory Alignment

  • GDPR (General Data Protection Regulation) - Article 32: Security of processing, ensuring ongoing confidentiality, integrity, availability and resilience of processing systems and services.
  • DORA (Digital Operational Resilience Act) - Article 4: ICT risk management requirements, including identifying, measuring, managing, and monitoring ICT risks.
  • HIPAA (Health Insurance Portability and Accountability Act) - 45 CFR § 164.308(a)(7)(ii)(B): Data backup and disaster recovery plan.
  • NYDFS 23 NYCRR 500 (Cybersecurity Requirements for Financial Services Companies) - Section 500.5: Cybersecurity program to ensure the availability and functionality of information systems.

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Architecture Diagram

PRJ-AWS-SAP-019 Architecture

Technology Stack

Backup
DRS
CloudEndure
Route 53
DR

Complete Documentation

Prerequisites

IAM Admin or PowerUser role
AWS CLI v2 configured
Terraform >= 1.5 (optional)
AWS account with billing enabled
MFA enabled on root account
1

Clone & Configure

Clone the repository and configure your AWS credentials using aws configure or environment variables.

aws configure --profile cloudguard
2

Review IAM Policies

Review and attach the required IAM policies to your deployment role. Ensure least-privilege access is applied.

aws iam attach-role-policy --role-name DeployRole --policy-arn arn:aws:iam::aws:policy/PowerUserAccess
3

Initialize Infrastructure

Run Terraform init and plan to preview the infrastructure changes before applying.

terraform init && terraform plan -out=tfplan
4

Deploy Resources

Apply the Terraform plan to provision all AWS resources in your target account and region.

terraform apply tfplan
5

Verify & Monitor

Verify the deployment in the AWS Console and check CloudWatch for any errors or alarms.

aws cloudwatch describe-alarms --state-value ALARM

Deployment Guide

Step-by-step instructions to deploy this project

Download Guide

Architecture Diagram

Visual representation of the system architecture

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Source Code

Complete source code and configuration files

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Video Tutorial

Watch the complete walkthrough video

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