SNS

Introduction

• Simple Notification Service (SNS) is a pub/sub messaging and mobile notifications service

• Push-based system

• Use Case:

  • Fan Out

    • SNS + SQS

Feature

• Up to 10M subscriptions per topic

• Up to 100,000 topics limit

• Can send to:

  • Email, SMS

  • Mobile devices (APNS, GCM, Windows, Android device with Baidu Cloud Push)

  • HTTP(S) endpoint (with delivery retries)

  • AWS service (Lambda, SQS)

• SNS are stored redundantly across multi AZs