nova/doc/source/concepts.and.introduction.rst

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Copyright 2010 United States Government as represented by the
Administrator of the National Aeronautics and Space Administration.
All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may
not use this file except in compliance with the License. You may obtain
a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations
under the License.
Concepts and Introduction
=========================
Introduction
------------
Nova is the software that controls your Infrastructure as as Service (IaaS)
cloud computing platform. It is similar in scope to Amazon EC2 and Rackspace
CloudServers. Nova does not include any virtualization software, rather it
defines drivers that interact with underlying virtualization mechanisms that
run on your host operating system, and exposes functionality over a web API.
This document does not attempt to explain fundamental concepts of cloud
computing, IaaS, virtualization, or other related technologies. Instead, it
focues on describing how Nova's implementation of those concepts is achieved.
Concept: Projects
-----------------
Projects
Concept: Virtualization
-----------------------
* KVM
* UML
* XEN
* HyperV
Concept: Volumes
----------------
Volumes
Concept: Quotas
---------------
* Defaults
* Override for project
Concept: API
------------
* EC2
* OpenStack / Rackspace
Concept: Networking
-------------------
* Simple networking
* NASA-Style Networking
Concept: Services
-----------------
Services
Concept: Flags
--------------
python-gflags
Concept: Plugins
----------------
LazyPluggable
Concept: IPC
------------
Rabbit!
Concept: Fakes
--------------
Fakes
Concept: Scheduler
------------------
Scheduler
Concept: ORM
------------
ORM
Concept: Manager Pattern
------------------------
Managers