Cloud computing architecture

Iaas infrastructure as a service

Cloud computing infrastructure as a service

• Managed by users
  • Application
  • Data
  • Runtime
  • Os
• Managed by service provider
  • Virtualization
  • Servers
  • Storage
  • Networking
• Full control over computing service
• Flexible and efficient renting of computer hardware
• Portability and interoperability with legacy application

Problems of iaas:

• Compatibility with legacy security
• VM sprawl
• Robust vm isolation
• Data erase principles

Characteristics

• Preinstalled software
• Preinstalled os
• On demand availability
• Computing resources easily scalable