1: Producer places message on queue

Receives globally unique message ID

ABCDEFGHIJ (used to track the message)

2: Consumer polls for messages

Receives the message ABCDEFGHIJ along

with a receipt handle XYZ

3: Message remains in the queue while

the consumer processes the message

Other consumers will not receive

ABCDEFGHIJ even if they poll for messages

4: Consumer processes the message

Calls delete message (using receipt handle

XYZ)

Message is removed from the queue