
High Availability
Course Index
28 Lessons · 3 Sections
Master high availability architecture — designing systems that achieve 99.99% uptime through multi-AZ deployments, auto scaling, circuit breakers & chaos engineering. Covers AWS, Azure, GCP, Kubernetes & SRE practices. Includes 4 builds: multi-AZ architecture, circuit breaker, chaos engineering & 99.99% SLA design.
28Lessons
3Sections
4Projects
FreeAccess
Section 1HA Fundamentals & Platform ImplementationsLessons 1–10
Lesson 1
What is High Availability? SLAs, RTO & RPO
Lesson 2
Availability Zones & Regions
Lesson 3
Redundancy: Active-Active vs Active-Passive
Lesson 4
Load Balancing for HA
Lesson 5
Auto Scaling & Self-Healing Systems
Lesson 6
Database HA: Multi-AZ, Replicas & Clustering
Lesson 7
Stateless Architecture for HA
Lesson 8
Health Checks & Circuit Breakers
Lesson 9
HA on AWS: Multi-AZ Deployments
Lesson 10
HA on Azure: Availability Sets & Zones
Section 2Advanced HA Patterns & PracticesLessons 11–22
Lesson 11
HA on GCP: Regional & Zonal Resources
Lesson 12
Kubernetes HA: Pod Disruption Budgets & Replicas
Lesson 13
HA for Serverless: Lambda & Cloud Functions
Lesson 14
Queue-Based Load Levelling
Lesson 15
Graceful Degradation & Fallback Patterns
Lesson 16
Retry Logic, Timeouts & Backoff Strategies
Lesson 17
Global Traffic Management: Route 53 & Azure Traffic Manager
Lesson 18
CDN for HA: Serving from Edge on Origin Failure
Lesson 19
Chaos Engineering: Testing HA in Production
Lesson 20
SRE Practices for HA: Error Budgets & SLOs
Lesson 21
HA Monitoring: Alerting & Incident Response
Lesson 22
HA Cost Trade-offs
Section 3Anti-Patterns, 2026 & ProjectsLessons 23–28
Lesson 23
HA Anti-Patterns: Single Points of Failure
Lesson 24
High Availability 2026: AI-Assisted Self-Healing
Lesson 25
Build a Multi-AZ HA Architecture on AWS
Lesson 26
Implement Circuit Breaker & Retry Patterns
Lesson 27
Set Up Chaos Engineering with AWS Fault Injection
Lesson 28
Design a 99.99% SLA Architecture