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