SQS, SNS, EventBridge - MacKittipat/note-developer GitHub Wiki

SQS

• Queue
• Poll Mechanism, Consumers poll messages from SQS
• Queue type
  • Standard queues
    • Unlimited Throughput, support a nearly unlimited number of API calls per second, per API action
    • At-Least-Once Delivery, A message is delivered at least once, but occasionally more than one copy of a message is delivered
    • Best-Effort Ordering, Occasionally, messages are delivered in an order different from which they were sent
  • FIFO queues
    • High Throughput, support up to 3,000 calls per second, per API method
    • Exactly-Once Processing
    • First-In-First-Out Delivery

SNS

• Topic
• Push Mechanism, SNS pushes messages to consumers
• Publish/Subscribe (Fanout)
• High Throughput
• Allow filter by messages attributes and are limited to just 10 attributes per message

EventBridge

• Message Bus (Similar to Topic)
• Allow filter by messages body
• Ability to replay events from the archive but does not guarantee the order of events when replaying them to a given target