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Awskrug AWS SNS, SQS, and SES
- 1. AWSKRUG #enterprise AWS Messaging Service • Simple Notification Service • Simple Queue Service • Simple Email Service
- 3. SNS & SQS Review • Data Synchronization Between Services • Guaranteed Message Persistency and Message Delivery
- 4. Pub-Sub model(TIME magazine) Publisher (StoreFront) Publishes message message #1 message #2 Subscriber #1 (Shipping) Subscriber #2 (Accounting) SNS Topic(Order) message #2,#1 message #2, #1
- 5. Point-to-Point model(Bank Teller) Sender (SNS) Sends message Receiver#1 (Shipping) Receiver #2 (Shipping) message #1 message #2 Receiver #3 (Shipping) Receiver #4 (Accounting) message #3 message #3,#2, #1 Queue(Shipping) Queue(Accounting)
- 7. Confirmation Email upon Shipping • Limitation with Java Mail • Difficult to detect invalid email, auto response email, spam marked email
- 8. SNS + SQS + SES Allows -- Successful email delivery detection -- Bounce email detection -- Automatic response email detection -- Complaint email detection
- 9. SES Email Sending Process image source: https://docs.aws.amazon.com/ses/latest/DeveloperGuide/sending-email-with-ses.html
- 10. Successful Delivery image from: https://docs.aws.amazon.com/ses/latest/DeveloperGuide/sending-email-with-ses.html • “Delivery” Notification • success@simulator.amazonses.com
- 11. Hard Bounce • Invalid Email Address(Existence Domain) • “Bounce Permanent NoEmail” Notification • test@test.com
- 12. Soft Bounce • Mailbox Full • Nonexistent Domain • Amazon SES retries the email for an extended period of time • bounce@simulator.amazonses.com
- 13. Complaint • Recipient set “Mark as spam” • complaint@simulator.amazonses.com
- 14. Auto Response • Recipient set Out of the office • ooto@simulator.amazonses.com
- 15. Shipping Confirmation Email Shipping Shipping Email Email ServiceSES ses-bounce-sns ses-bounce-queue Admin Email Receiver(ISP) Shipping Email Bounce, Complaint, Auto Response Delivery, Bounce, Complaint, Auto Response
- 16. SES SNS Setup
- 17. SES Email Verification valid email address
- 18. SES Notification Setup valid email address
- 19. SES SQS Setup
- 20. SES SQS SNS Config
Editor's Notes
- Talk about design using SNS, SQS. Why shipping has three services running etc.
- Goal of Microservice is do one thing. This implies many small services and small databases. Sometime data between services out of synch due to one service is down, infrastructure outage etc.
- Each receiver is guaranteed to receive one same message.
- One receiver receives one unique message. No two receivers receive the same message.
- Talk about new requirement. Send shipping confirmation email.
- Talk about the limitation of Java Mail. It sends email but doesn’t detect the response that might be sent by receiver’s ISP.
- Talk about what can be done SNS + SQS + SES. The system can be proactive with SES.
- https://forums.aws.amazon.com/thread.jspa?threadID=150255 “ Presently we have this limitation to ensure that all email originating from Amazon SES is trustworthy -- in the sense that if SES sends an email from an email address, you can trust that SES has verified that the owner controls that email address. This deters spam and phishing and helps encourage legitimate use. Consequently we currently require all of the email addresses that you send from to be verified. “