AWS Classroomnotes 03/Oct/2023

AWS Migrations

Sources of Migration

  • Organizations maintain datacenters and they have an option to run servers
    • physically
    • virtually
  • To run applications in Virtual Machines, we need a software called as Hypervisor.
  • Popular Hypervisors are
    • VmWare Esxi
    • Hyper-V
  • To Manage multiple servers with Hypervisors, Organizatons use Hypervisor controllers such as VmWare VCenter or System Center

Workload Types

  • Migration can be broadly classified into 3 categories
    • Application/Server Migration
    • Database Migration
    • Storage Migration

Destination of Migration (AWS)

  • Region: Geographical location where AWS has presence Refer Here
  • Availability Zones and Local Zones
  • AWS Account types:
    • Single
    • Organizations: Combining multiple accounts as organization units for common policy and governance
  • Application Migrations: Migrating some application into AWS

    • Run it on Virtual machines (EC2)
    • Run it on Containers
    • Run it on Serverless
    • Run it on Platforms
  • Databases:

    • Run it on Virtual Machines (EC2)
    • Run it on Managed Services like RDS, Dynamo DB
  • Storage:

    • Run it on Virtual Machines EC2
    • Run it on cloud based storage options
      • S3
      • Glacier
      • EFS

7 R’s of Migration

  • Relocate
  • Rehosting
  • Replatforming
  • Repurchasing
  • Refactoring
  • Retire
  • Retain


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