01-01 Evolution of Cloud Hosting

Last updated Aug 17, 2023 Edit Source

• One physical machine dedicated to a single business.
• Runs a single web-app/site.
• Pros:
  • High Security
• Cons:
  • Very Expensive
  • High Maintenance

• One physical machine dedicated to a single business.
• The physical machine is virtualized into sub-machines
• Runs multiple web-apps/sites
• Pros:
  • Better Utilization
  • Better Isolation of Resources

• One physical machine, shared by hundred of businesses.
• Relies on most tenants under-utilizing their resources
• Pros:
  • Very Cheap
• Cons:
  • Limited Functionality
  • Poor Isolation

• Multiple physical machines that act as one system
• The system is abstracted into multiple cloud services.
• Pros:
  • Flexible
  • Scalable
  • Secure
  • High Configurability
  • Cost Effective in the beginning
• Cons:
  • Diseconomies of Scale - Not cost effective as company scales up