What does a “Domain” refer to in Amazon SWF?
A security group in which only tasks inside can communicate with each other
A special type of worker
A collection of related Workflows
The DNS record for the Amazon SWF service
Domains provide a way of scoping Amazon SWF resources within your AWS account. All the components of a
workflow, such as the workflow type and activity types, must be specified to be in a domain. It is possible to
have more than one workflow in a domain; however, workflows in different domains cannot interact with each