Simple Notification Service (SNS)

Simple Notification Service (SNS%20ffeb4f28b96d423d80e15eb25f7b828f/Untitled.png)

• Public AWS service - requires network connectivity with public endpoint
• coordinates the sending and delivery of messages (≤56KB payloads)
• SNS topics are the base entity of SNS - permission & configuration
• PUB SUB messaging
  • publisher sends message to a TOPIC
  • TOPICS have subscribers which receive message
    • eg HTTP, Email, SQS, Mobile push, SMS
• offer
  • delivery status (HTTP, Lambda, SQS)
  • delivery retires
  • HA and sacalable
  • server side encryption (SSE)
  • cross-account via TOPIC policy