Medical Record System – Cloud Journey

• The organization iHealthSystems has a medical record system.
• The architecture of this application is
  
• To make this application accesible, iHealthSystem is having Datacenters in
  • Hyderabad
  • Delhi
  • Mumbai
• To maintain this application, the following skills are required
  • Data center administration
  • Network Administration
  • Windows/Linux Administration
  • Database Adminstration
  • Storage Administration
    
• To reduce the maintenance overhead and costs, iHealthSystems wants to use cloud.
• Minimal Expectation from cloud
  • Things should be running as it is.
  • During adoption of cloud my applications should be up and running.
• Options:
  • Migration
  • Rewrite everything for cloud. (Modernizing)
• Migration Process (Draft)
  • List out all the servers
  • Identify the Migration Approach (P2V or V2V)
    
  • Figure out the server migrations which are supported by AWS
  • Testing approach
• The ways of migrating the following are different
  • Virtual Machines
  • Storage
  • Databases
• Order of Migration
  • Least dependent to most dependent as this helps in phased migration.

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• This idea is approved and budget is allocated.
• In these cases we develop cloud native applications.

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• Overview