Serverless Workflow: Key to Wide Serverless Adoption
summary
CNCF Serverless Work Group publishes a draft Application Workflow Specification that describes applications as three parts — a list of events, a list of states, and functions — and defines six state types including an event state and operation state. Examples show burglary detection, travel booking, loan approval and video transcoding workflows using retries, filters and data passing. Comparison shows AWS Step Functions needs extra Lambdas and multiple state machines because it cannot directly receive events; Huawei FunctionGraph and AWS Step Functions already implement workflow services.
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chapters (8)
- 0:00Introduction
- 1:19Function Workflow Model
- 7:35Workflow Example
- 10:13State
- 12:50Filtering
- 15:36Long Application
- 17:51Video Streaming
- 22:25Workflow Template
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