1. Jeff Hollan / Derek Li
Program Manager – Microsoft
Azure Logic Apps – Advanced Integration Patterns

2. Azure Logic Apps Advanced Integration Patterns
Microsoft Build 2017
1/11/2019 2:45 AM
Azure Logic Apps Advanced Integration Patterns
Jeff Hollan
Derek Li
© Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

3. Agenda Logic Apps Architecture Demos Parallel Actions
Microsoft Build 2017
1/11/2019 2:45 AM
Agenda
Logic Apps Architecture
Demos
Parallel Actions
Exception Handling
Timeout
Degree of Parallelism
© Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

4. Understanding the PaaS Black Box

5. Logic Apps Designer

6. TypeScript/React app
Uses OpenAPI (Swagger) to render inputs & outputs
Generates workflow definition (JSON)

7. Microsoft Build 2017
1/11/2019 2:45 AM
Logic App Runtime
Reads the workflow definition and breaks down into a composition of tasks with dependencies
Distributed compute/workers are coordinated to complete tasks on-demand
At least once guaranteed execution
No active thread management – tasks and runs can exist in parallel and at massive scale
© Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

8. Workflow Orchestrator
Microsoft Build 2017
1/11/2019 2:45 AM
Trigger Task
Workflow Definition
Service Bus
Run
On new message
Save
ForEach
SQL Insert
Workflow Orchestrator
Complete Message
Workflow Complete
© Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

9. Task Resiliency
Transient failures invoke retry-policies (DNS issues, throttles, or 5xx responses)
If the task doesn’t respond, workflow orchestrator will assign a new task (at least once guarantee)

10. Demo