1. Overview of OpenStack
OpenStack is an open-source cloud operating system that controls large pools of computing, storage, and networking resources throughout a data center.
Users can configure resources through the web interface, command line or API interface.
官网： Open Source Cloud Computing Infrastructure - OpenStack
What is the relationship between OpenStack and virtualization and cloud computing?
OpenStack is not virtualization.
Architecture positioning and technical scope of OpenStack:
- OpenStack is just the control plane of the system.
- OpenStack does not include the data plane components of the system, such as Hypervisor, storage and network devices.
There are key differences between OpenStack and virtualization:
Virtualization is one of the underlying technologies of OpenStack, but it is not the core focus.
Historical versions of OpenStack:
OpenStack has two major releases each year, one