OpenStack provides a flexible and scalable private cloud and public cloud computing services, such services must be simple cloud deployment and scalability.
1, loosely coupled modules
2, arranged more flexible assembly
3, the second development easy
A .OpenStack constituent components
OpenStack shared service components:
Database Services (Database Service): MairaDB and MongoDB
messaging (Message Queues): RabbitMQ
cache (cache): Memcached time (time sync):? NTP
memory (storge provider): ceph, GFS , LVM, ISICI and other
high-availability and load balancing: pacemaker, HAproxy, keepalive, lvs, etc.
OpenStack core components:
Identity Services (Identity Service): Keystone
compute (Compute): Nova
mirror service (Image Service): Glance
Network & Address Management (Network): Neutron
Object Storage (Object Storage): Swift
block storage (Block Storage): Cinder
the UI interface (Dashboard): Horizon
measured (Metering): Ceilometer
deployment arrangement (Orchestration): Heat