14-Decoupling Workflow

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  1. tight coupling - no
  1. loose coupling
    1. use elb to distribute traffic
  1. simple queue service - sqs
    1. poll based messaging
    2. message queue
    3. asynchronous
    4. 256k msg size
    5. message retention from 1min to 14days
    6. dead letter queues
    7. standard vs fifo
      8. notion image
  1. simple notification service - sns
  1. api gateway
    1. support ws api
    2. restful api
    3. http api
  1. aws batch
    1. jobs
    2. fargate vs ec2
        3. notion image
    3. lambda vs batch
      1. serverless
      2. gpu or not
    4. managed / unmanaged computer configuration
    5. good for
      1. long running workloads
      2. managed service
      3. jobs & jobs definitions
  1. amazon MQ
    1. support
      1. apache activeMQ
      2. rabbitMQ
    2. vs SNS + SQS
      1. amazon MQ
        1. migrating is better
        2. need vpc, not private by default
    3. brokers
  1. aws step function
    1. types
      1. standard
      2. express
          3. notion image
  1. amazon appflow
    1. data transfer for other saas services
x-Exam Preperation13-High Avaliablity & Scaling