MESSAGING & INTEGRATION

Question 1

Simple Queue Service (SQS)

Answer 1

SQS is a message queuing service that allows you to build loosely coupled systems. Example : Build a money transfer app that performs well under heavy load. SQS lets you build an App that is loosely coupled, allowing components to send, store, and receive messages. The use of a messaging queue helps to improve performance and scalability.

Question 2

Simple Notification Service (SNS)

Answer 2

SNS allows you to send emails and text messages from your applications. Example Send an email when CPU utilization of an EC2 Instance goes above 80% - SNS works with CloudWatch when an alarm’s metric threshold is breached to send an email.

Question 3

Simple Email Service (SES)

Answer 3

SES is an email service that allows you to send richly formatted HTML emails from your applications. Send a market email and track open or click - through rates. SES allows you to send richly formatted HTML emails in bulk and gain valuable insights about the effectiveness of your campaign.