AWS Classroom notes 10/Nov/2023

Virtualization

  • Overview
    Preview
  • Hypervisors are the software which will create virtual machines
  • Using Hypervisors we can effeciently use the hardware
  • Hypervisors create
    • Virtual Machines by virtualizing hardware resources (virtual cpu, virtual ram, virtual disk, virtual network)
  • There are two types of Hypervisors
    • Gen I: This is installed directly on hardware
    • Gen II: This is installed on existing OS

Public Cloud

  • Cloud will have Regions which is a Geographical location Refer Here
  • Organization of Infrastructure
    Preview
  • All the infrastructre is owned by Cloud Service Providers (CSP)
  • Services are offered by CSP which will allows consumers to create virtual infra necessary for their needs
  • What users/consumers create using services is referred as resources
  • Resources are owned by customers/consumers/users

Other types of Cloud

  • Private Cloud
  • Hybrid Cloud
  • Community Cloud
  • Multi Cloud

Compute

  • Compute refers to the capability of running applications
  • Categories
    • Virtual machines
    • Platforms
    • Serverless

IaaS vs PaaS vs SaaS

Preview

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