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AWS Step Functions

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Aw Automation Workflow Serverless Business Process Workflow Orchestration Orchestration AWS

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description AWS Step Functions Overview

AWS Step Functions is a serverless orchestration service that lets you coordinate multiple AWS services into common business processes. It is designed for developers who need to build highly reliable, stateful workflows at massive scale. While it lacks the 'drag-and-drop' simplicity of some iPaaS tools, its ability to handle complex error handling, retries, and parallel processing makes it an essential component for cloud-native application architecture.

help AWS Step Functions FAQ

What does AWS Step Functions coordinate?

AWS Step Functions coordinates stateful workflows across services such as AWS Lambda, making it useful for distributed applications, data pipelines, and machine-learning processes. Workflows are defined as state machines rather than as a single long-running server.

What is the difference between Standard and Express Workflows in AWS Step Functions?

Standard Workflows are designed for longer-running, auditable processes, while Express Workflows target high-event-rate and shorter-running workloads. AWS also documents different execution semantics, so the choice affects delivery guarantees, history, and cost.

Can AWS Step Functions call Lambda functions in sequence?

Yes, a Step Functions state machine can pass the output from one Lambda task into a later task. This lets developers model steps such as validation, payment processing, and notification as separate states with explicit transitions.

Does AWS Step Functions require servers to be managed?

Step Functions is a serverless orchestration service, so AWS manages the workflow execution infrastructure. You still pay for executions and connected services such as Lambda, and you must design retries and failure handling explicitly.

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