[Why OpenStack]
OpenStack Conceptual Architecture
5 Core Service (Blue)
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Nova : Compute Service, Compute Resource Support
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Glance : Image (OS) Service Support
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Neutron : Network Service Support
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Cinder : Block Storage Service Support
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Keystone : Security Service Support
Participate in login operations by providing authentication and authorization
Optional Serviceb (Green)
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Swift : Backups or Objective Service like Web Share
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Horizon : Web User Interface
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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
