AWS Classroomnotes 07/Sep/2022


  • High Availability
  • Fault Tolerant
  • Redundant
  • Service: What Cloud Services Provider offers ?
  • Resource: Using Service what we create is Resource.

Global Infrastructure of AWS

  • AWS identifies a geographical location which is referred as region.
  • The infra is hosted on Availability Zones (AZ).
  • Every Region is AWS has atleast 3 AZ’s
  • Refer Here

Virtual Machines on AWS

  • AWS allows us to create VMs by using a Service which is referred as EC2 (Elastic Compute Cloud) Refer Here
  • EC2 Service has different Options for realizing your applications.

EC2 Options

  • Choosing the Right VM Size for the right purpose
    • Instance Families and Instance Types
  • Choosing the Right OS for your needs
    • Image => Amazon Machine Image
  • Choosing the Right Block Storage
    • Block Storage => EBS (Elastic Block Storage)
  • Choosing the network connectivity
    • Public and Private Network
    • Which AZ Ec2 instance should be running
  • Choosing the right pricing model Refer Here
    • On-demand
    • Reservations
    • Spot Pricing

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