This document discusses several Azure serverless services for building event-driven applications at massive scale including Event Hubs for high-volume data streams, Service Bus for critical workflows, Event Grid for business logic triggered by events, and IoT Hub. It highlights key capabilities like near real-time processing, high reliability, and massive throughput of these services.

2. Azure Serverless application platform

5. https://www.reactivemanifesto.org/

8. Event Hubs
• “Point in time” data
• Fast pull
• Replay / strict ordering
• Big data streams

9. Event Hubs
• “Point in time” data
• Fast pull
• Replay / strict ordering
• Big data streams
Service Bus
• Queue for critical items
• Routing
• Workflow
• Transactional

10. Event Hubs
• “Point in time” data
• Fast pull
• Replay / strict ordering
• Big data streams
Event Grid
• Business logic
• Push, not poll
• Handlers
• Ordering
Service Bus
• Queue for critical items
• Routing
• Workflow
• Transactional

12. IoT Hub
Blob Storage
Resource Groups
Azure Subscriptions
Event Hubs
Custom Topics
Storage (GPv2)
Azure Functions
Logic Apps
Azure Automation
WebHooks
Event Hubs

14. High reliabilityNear real-time Massive scale-out

15. Sub-second end-to-end latency in the 99th percentile
99.99% availability
10,000,000 events per second per region
100,000,000 subscriptions per region
50 ms publisher latency
24 hour retry with exponential back off for events not delivered
Transparent regional failover

16.  Events
 Event Publishers
 Topics
 Event Subscriptions
 Event Handlers

17. Storage (GPv2) Azure Functions

18. Storage (GPv2) Azure Functions
Logic Apps

19. Customer ApplicationCustom Topics
Customer Application