text: To implement asynchronous processing in similar scenarios, you can use the following AWS services 
  together. 
  
  •**AWS Lambda**— For compute processing tasks. 
  
  •**AWS Step Functions**— For managing and orchestrating microservice workﬂows. 
  
  •**Amazon Simple Notiﬁcation Service**— For message delivery from publishers to subscribers, 
  
  plus*fan out*which is when a message published to a topic is replicated and pushed to multiple 
  
  endpoints for parallel asynchronous processing. 
  
  •**Amazon Simple Queue Service**— For creating secure, durable, and scalable queues for 
  
  asynchronous processing. 
  
  •**Amazon DynamoDB**and**Amazon S3**— For storing and retrieving data and ﬁles 