SNS/ SQS Flashcards
1
Q
System-to-system messaging
A
a managed messaging service that lets you decouple publishers from subscribers. This is useful for system-to-system messaging for micro services, distributed architectures, and server less applications
2
Q
User Notifications
A
SNS lets you send push notifications to mobile apps, text messages to mobile phone numbers, and plain text emails to email addresses. You can fan out messages with a topic, or publish to mobile endpoints directly.
3
Q
SQS Queue Types
A
- Standard
- FIFO
4
Q
Standard Queue Type
A
- Messaging ordering isnt preserved
- Atleast once delivery
- Very fast
- Unlimited transactions per second per API action
5
Q
FIFO Queue Type
A
- Messaging ordering is preserved
- Exactly once processing
- No duplication
