Provides a web-based self-service portal to interact wi th underlying

launching an instance,assigning ip addresses and configuring access controls

Compute nova Manages the lifecycle of compute instances in an openstack environment

Responsibilities include spawning,scheduling and decommissioning of virtual machines on demand;

virtual machines on demand

manages the lifecycle of compute instance in an openstack

responsibilityes include spawning,scheduling and decommissioning of virtual machines on demand;

Networking neutron enables network-connectivity-as-a-service for other openstack services

such as openstack compute

provides an API for users to define networks and the attachments into them

has a pluggable architecture that supports many popular networking vendors and technologies;

pluggable architecture that supports many popular networking vendors and technologies;

stores and retrieves arbitrary

stores and retrieves arbitrary unstructured data objects via a RESTful http base

highly 高故障  容忍

highly fault tolerant fault tolerant data replication and scale-out architecture

fault tolerant data replication and scale-out architecture

implementation is not like a file server with mountable directories

in this case

it writes objects and files to multiple drives

writes objects and files to multiple drives

ensuring the data is replicated across a server cluster;

provides persistent block storae to running instances

provides persistent block storage to running instances

its pluggable driver architecture facilitates the

storage shared services  higher-level services;

identity service provides an authentication and authorization service for other openstack services

provides a catalog of endpoints for all openstack services;

image service glance

stores and retrieves virtual machine disk images

stores and retrieves virtual machines disk images

storages

compute make use of thhis deuing instance provisioning;

Telemetry ceilometer

monitor and meters the openstack cloud for billing benchmarking scalability

and statistical purposes;

Monitor and meters the openstack cloud for billing benchmarking scalability and statistical purposes;

aafter becoming familiar with basic installation configuration operation and troubleshooting of these

you should consider the following steps toward deployment using a production architecture

determine and implement the necessary