OpenStack

rldnjsdlsi·2022년 5월 4일
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OpenStack

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[Why OpenStack]

OpenStack Conceptual Architecture

5 Core Service (Blue)

  • Nova : Compute Service, Compute Resource Support

  • Glance : Image (OS) Service Support

  • Neutron : Network Service Support

  • Cinder : Block Storage Service Support

  • Keystone : Security Service Support

    	Participate in login operations by providing authentication and authorization

Optional Serviceb (Green)

  • Swift : Backups or Objective Service like Web Share

  • Horizon : Web User Interface

  • Heat : automation tools

OpenStack Service Relationship Diagram

Memorize in pairs

  • Compute Service : Nova, CPU, RAM
  • Image Service : Glance, OS
  • Block Storage Service : Cinder, SSD, HDD
  • Networking Service : Neutron, GateWay, Router, vSwitch
  • Identity Service : Keystone, Auth
  • Object Storage Service : Swift, REST API, url, Backup service
  • Orchestration Service : Heat, IaC (Infra as Code)
  • Dashboard Service : Horizon, Web User Interface

Compare with Amazon Web Service

  • Nova < = > AWS EC2
  • Cinder < = > AWS EBS
  • Neutron < = > AWS VPC
  • Glance < = > AWS AMI
  • Keystone < = > AWS IAM
  • Swift < = > AWS S3
  • Heat < = > AWS CloudFormation

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