© Jyothi Prasad Buddha and Reshma Beesetty 2019
J. P. Buddha, R. BeesettyThe Definitive Guide to AWS Application Integrationhttps://doi.org/10.1007/978-1-4842-5401-1_5

5. Step Functions

Jyothi Prasad Buddha1  and Reshma Beesetty1
(1)
Seattle, WA, USA
 

A state machine is any device storing the status of something at a given time. The status changes based on inputs, providing the resulting output for the implemented changes. A finite state machine has finite internal memory. Input symbols are read in a sequence producing an output feature in the form of a user interface.

—Techopedia Staff

In all the previous chapters, you have learned different ways to orchestrate components in your application for order processing, starting with simple queue-based orchestration ...

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