Challenges & Solutions
Challenges
- Booking engine must be available 24/7 globally with <200ms response
- Dynamic pricing must update millions of fares in real time
- PCI-DSS compliance for payment processing across all channels
- Loyalty programmes with billions of points transactions
- Personalisation at scale across web, app, and email channels
CloudFormation Solves
- Multi-region Route 53 active-active for 24/7 global availability
- ElastiCache + DynamoDB for real-time pricing cache invalidation
- PCI-DSS CDE isolation enforced in every design by policy scan
- Aurora + DynamoDB Global Tables for loyalty data consistency
- SageMaker recommendation engine for personalised offers
Architecture Patterns
Global Booking Engine
Route 53 latency routing → ALB in 3 regions → ECS → Aurora read replicas + ElastiCache. <200ms booking API globally. Auto-scales for seasonal demand.
Real-Time Pricing Engine
DynamoDB DAX for microsecond price reads. Lambda for pricing rule evaluation. Kinesis for competitive price feed ingestion. EventBridge for price change distribution.
Loyalty & Rewards Platform
DynamoDB Global Tables for points balance (consistent globally). SQS FIFO for atomic points transactions. Aurora for complex tier calculations. ElastiCache for tier status caching.
Personalisation & Recommendations
SageMaker personalisation model trained on booking history. Real-time inference on every search. A/B testing via CloudWatch Evidently. Segment integration for marketing.
Business Outcomes
Supported Providers
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