Readings: AWS: S3 and Lambda

AWS S3

• What is Amazon S3?
  • Amazon S3 (simple storage solution) is an AWS service that allows the user to upload, store and retrieve multiple file types
• Name some use cases for Amazon S3.
  • Storage for user uploaded images
  • Serving content to users only when requested
  • Data backup
• Name some benefits of using Amazon S3.
  • Highly scalable
  • High level of security
  • High reliability

AWS Lambda Basics

• What is AWS Lambda?
  • This is a service that allows the creation of cloud based applications that can quickly perform actions without having to manage servers
• Name some use cases for AWS Lambdas.
  • Scalable APIs and data processing
• Describe “serverless” to a non-technical friend.
  • In this case, serverless means that a Lambda function can be executed independently of a server. Lambdas are stand alone functions that can be tied to a variety of services to perform the desired outcome

CDN

• What is a CDN?
  • A content delivery network is an interconnected network that works in tandem to deliver requested content
• How does a CDN work with relation to the website visitor?
  • The CDN is able to use the location of the user to deliver requested content to the user utilizing the geographically closest server. This helps to drive down latency experienced by the end-user.
• What are the benefits of employing a CDN?
  • Fast speed due to content being cached from the origin server into multiple geographically independent servers.