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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<title>Overview</title>
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
<link rel="stylesheet" href="/style/style.css" type="text/css" media="screen" />
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<!-- Clipboard support -->
<script src="/style/js/zeroclipboard/ZeroClipboard.js"></script>
<style type="text/css">
.clipboard_container { float: right; padding: 8px; }
.clipboard_button {
background-image: url("/style/icons/clipboard-green-normal.png");
background-size: 18px 21px;
width: 18px; height: 21px;
}
.clipboard_button.hover { background-image: url("/style/icons/clipboard-green-hover.png"); }
.clipboard_button.active { background-image: url("/style/icons/clipboard-green-click.png"); }'
</style>
<script type="text/javascript"> <!-- clipboard -->
ZeroClipboard.setMoviePath( '/style/js/zeroclipboard/ZeroClipboard.swf' );
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<script type="text/javascript"> <!-- clipboard positioning -->
$(document).ready(function() {
$('<div class="clipboard_container" title="Copy to Clipboard">'+
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var clipboard = new ZeroClipboard.Client();
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</script>
<script type="text/javascript">
// initialise menu delay
jQuery(function(){
jQuery('ul#mainmenu').superfish({
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speed: 'fast',
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<script type="text/javascript"> <!-- search -->
$(function() {
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<body>
<ul id="shortcuts" title="Accessibility shortcuts menu">
<li><a href="#maincontent">Skip to main content</a></li>
</ul>
<div id="container">
<div id="header">
<div id="identity">
<a href="http://brooklyncentral.github.com/" rel="home">Brooklyn</a>
</div>
<ul id="quicklinks">
<li><a href="/meta/versions.html">0.5.0-M2</a></li>
<li><a href="/start/download.html">Download</a></li>
<li><a href="https://github.com/brooklyncentral">GitHub</a></li>
<li><a href="https://twitter.com/#!/search?q=brooklyncentral">Twitter</a></li>
<li><a href="/meta/contact.html">Contact</a></li>
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<ul id="mainmenu"><!-- INSERT LINKS -->
<li class="toc-active"><a href="/index.html">Overview</a></li>
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<li class=""><a href="/use/guide/index.html">Guide</a></li>
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<div id="maincontent">
<p id="breadcrumb">
<a href="/start/index.html">Start</a>
» <a href="/index.html">Overview</a>
</p>
<h1 id="header_title">Overview</h1>
<h2>What is Brooklyn?</h2>
<p><strong>brooklyn</strong> is a library that simplifies application deployment and management.</p>
<p>For <strong>deployment</strong>, it is designed to tie in with other tools,
giving single-click deploy and adding the concepts of
manageable clusters and fabrics:</p>
<ul>
<li>many common software entities available out-of-the-box</li>
<li>integrates with <a href="http://whirr.apache.org">Apache Whirr</a> -- and thereby Chef and Puppet --
to deploy well-known services such as Hadoop and elasticsearch
(or use POBS, plain-old-bash-scripts)</li>
<li>use PaaS's such as OpenShift, alongside self-built clusters, for maximum flexibility</li>
</ul>
<p>Brooklyn makes roll-out an integral part of the DevOps chain,
as code which can be version-controlled and programmatically tested,
and portable across many clouds or fixed IP machines,
using <a href="http://jclouds.org">jclouds</a> --
or just hitting <code>localhost</code> for quick dev/test.</p>
<p>Brooklyn's main emphasis is post-deployment, <strong>managing</strong> an application once it is live:
management policies are an integral part of the deployment descriptor,
and at runtime policies have access to all aspects of the deployment.
They are aware of the deployment topology (hierarchical) and
locations (machines, PaaSes, and jurisdictions),
as well as scripts, instrumentation, and operational goals and constraints.
This means they're all set, once the application is launched,
to keep the application running optimally,
based on whatever <em>optimally</em> means in that context.</p>
<p>These deployment patterns and management policies are expressed as Java (and Groovy) classes,
open-sourced here and giving you full control over what you want to happen.
More importantly, however, this code can be shared, improved, and extended.</p>
<p>We're still near the beginning of figuring this out:
<a href="/meta/contact.html">join us to make it better</a>.</p>
<h2>To Get Started</h2>
<ul>
<li>See the <a href="/start/walkthrough/index.html">developer's walkthrough</a> for a quick tour</li>
<li>Check out the <a href="/use/examples/">examples</a>, from a global web fabric with geo-DNS to a movable PaaS target</li>
<li>Jump in to the <a href="/use/guide/">user guide</a> describing the
<a href="/use/guide/defining-applications/basic-concepts.html">concepts</a>
and including a <a href="/use/guide/quickstart/">tutorial</a></li>
<li>Or dive straight in to the code, either <a href="/dev/code/">reading</a> about it
or <a href="http://github.com/brooklyncentral/brooklyn/">gitting</a> it</li>
</ul>
<p>If you like it, or if you have ideas how it could be better,
<a href="/meta/contact.html">join the discussion</a>.</p>
</div><!--maincontent-->
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<div class="toc-1 toc-active">
<a href="/start/index.html"><div class="toc-1-item toc-1-header ">Start</div></a>
<div class="toc-1-children">
<div class="toc-2 toc-active">
<a href="/index.html"><div class="toc-2-item toc-active">Overview</div></a>
</div>
<div class="toc-2 ">
<a href="/start/walkthrough/index.html"><div class="toc-2-item">Walkthrough</div></a>
</div>
<div class="toc-2 ">
<a href="/start/download.html"><div class="toc-2-item">Download</div></a>
</div>
<div class="toc-2 ">
<a href="/start/docs-summary.html"><div class="toc-2-item">Documentation</div></a>
</div>
</div>
</div>
<div class="toc-1 ">
<a href="/use/index.html"><div class="toc-1-item toc-1-header ">Using brooklyn</div></a>
<div class="toc-1-children">
<div class="toc-2 ">
<a href="/use/guide/index.html"><div class="toc-2-item toc-2-header">User Guide</div></a>
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<div class="toc-3 ">
<a href="/use/guide/quickstart/index.html"><div class="toc-3-item">Quick Start</div></a>
</div>
<div class="toc-3 ">
<a href="/use/guide/defining-applications/basic-concepts.html"><div class="toc-3-item">Defining Applications</div></a>
</div>
<div class="toc-3 ">
<a href="/use/guide/management/index.html"><div class="toc-3-item">Management</div></a>
</div>
<div class="toc-3 ">
<a href="/use/guide/policies/index.html"><div class="toc-3-item">Policies</div></a>
</div>
<div class="toc-3 ">
<a href="/use/guide/entities/index.html"><div class="toc-3-item">Custom Entities</div></a>
</div>
<div class="toc-3 ">
<a href="/use/guide/extras/index.html"><div class="toc-3-item">Extras</div></a>
</div>
</div></div>
</div>
<div class="toc-2 ">
<a href="/use/examples/index.html"><div class="toc-2-item toc-2-header">Examples</div></a>
<div class="toc-2-children-popup"><div class="toc-2-children">
<div class="toc-3 ">
<a href="/use/examples/webcluster/index.html"><div class="toc-3-item">Elastic Web Cluster</div></a>
</div>
<div class="toc-3 ">
<a href="/use/examples/global-web-fabric/index.html"><div class="toc-3-item">Global Web Fabric</div></a>
</div>
<div class="toc-3 ">
<a href="/use/examples/whirrhadoop/index.html"><div class="toc-3-item">Whirr Hadoop Cluster</div></a>
</div>
<div class="toc-3 ">
<a href="/use/examples/portable-cloudfoundry/index.html"><div class="toc-3-item">Portable Cloud Foundry</div></a>
</div>
<div class="toc-3 ">
<a href="/use/examples/messaging/index.html"><div class="toc-3-item">Publish-Subscribe Messaging</div></a>
</div>
</div></div>
</div>
<div class="toc-2 ">
<a href="/use/api/index.html"><div class="toc-2-item">API Reference (javadoc)</div></a>
</div>
<div class="toc-2 ">
<a href="/use/contact.html"><div class="toc-2-item">Discuss</div></a>
</div>
</div>
</div>
<div class="toc-1 ">
<a href="/dev/code/index.html"><div class="toc-1-item toc-1-header ">Contributing</div></a>
<div class="toc-1-children">
<div class="toc-2 ">
<a href="/dev/code/index.html"><div class="toc-2-item toc-2-header">The Code</div></a>
<div class="toc-2-children-popup"><div class="toc-2-children">
<div class="toc-3 ">
<a href="/dev/code/index.html"><div class="toc-3-item">Structure</div></a>
</div>
<div class="toc-3 ">
<a href="/dev/code/entity.html"><div class="toc-3-item">Writing an Entity</div></a>
</div>
<div class="toc-3 ">
<a href="/dev/code/policy.html"><div class="toc-3-item">Writing a Policy</div></a>
</div>
<div class="toc-3 ">
<a href="http://github.com/brooklyncentral/brooklyn"><div class="toc-3-item">brooklyn.git (github)</div></a>
</div>
</div></div>
</div>
<div class="toc-2 ">
<a href="/dev/build/index.html"><div class="toc-2-item toc-2-header">Build and Test</div></a>
<div class="toc-2-children-popup"><div class="toc-2-children">
<div class="toc-3 ">
<a href="/dev/build/index.html"><div class="toc-3-item">Maven</div></a>
</div>
<div class="toc-3 ">
<a href="/dev/build/ide.html"><div class="toc-3-item">IDE</div></a>
</div>
<div class="toc-3 ">
<a href="/dev/build/tests.html"><div class="toc-3-item">Tests</div></a>
</div>
</div></div>
</div>
<div class="toc-2 ">
<a href="/dev/tips/index.html"><div class="toc-2-item toc-2-header">Tips and Tricks</div></a>
<div class="toc-2-children-popup"><div class="toc-2-children">
<div class="toc-3 ">
<a href="/dev/tips/index.html"><div class="toc-3-item">Miscellany</div></a>
</div>
<div class="toc-3 ">
<a href="/dev/tips/logging.html"><div class="toc-3-item">Logging</div></a>
</div>
<div class="toc-3 ">
<a href="/dev/tips/standards.html"><div class="toc-3-item">Code Standards</div></a>
</div>
<div class="toc-3 ">
<a href="/dev/tips/update-docs.html"><div class="toc-3-item">Updating Docs</div></a>
</div>
</div></div>
</div>
<div class="toc-2 ">
<a href="/dev/wishlist.html"><div class="toc-2-item">Wishlist</div></a>
</div>
<div class="toc-2 ">
<a href="/dev/links.html"><div class="toc-2-item toc-2-header">Links</div></a>
<div class="toc-2-children-popup"><div class="toc-2-children">
<div class="toc-3 ">
<a href="https://github.com/brooklyncentral/"><div class="toc-3-item">Github repo</div></a>
</div>
<div class="toc-3 ">
<a href="https://github.com/brooklyncentral/brooklyn/issues"><div class="toc-3-item">Github issues</div></a>
</div>
<div class="toc-3 ">
<a href="http://ccweb.cloudsoftcorp.com/maven/libs-snapshot-local/io/brooklyn/"><div class="toc-3-item">Maven snapshots</div></a>
</div>
</div></div>
</div>
<div class="toc-2 ">
<a href="/dev/how-to-contrib.html"><div class="toc-2-item">How to Contribute</div></a>
</div>
</div>
</div>
<div class="toc-1 ">
<a href="/license/index.html"><div class="toc-1-item toc-1-header ">License</div></a>
<div class="toc-1-children">
<div class="toc-2 ">
<a href="/license/license.html"><div class="toc-2-item">Apache License v2.0</div></a>
</div>
<div class="toc-2 ">
<a href="/license/contributor-agreements/index.html"><div class="toc-2-item toc-2-header">Contributor Agreements</div></a>
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<div class="toc-3 ">
<a href="/license/contributor-agreements/index.html"><div class="toc-3-item">Instructions</div></a>
</div>
<div class="toc-3 ">
<a href="/license/contributor-agreements/individual.html"><div class="toc-3-item">Individual CLA (echosign)</div></a>
</div>
<div class="toc-3 ">
<a href="/license/contributor-agreements/corporate.html"><div class="toc-3-item">Corporate CLA (echosign)</div></a>
</div>
<div class="toc-3 ">
<a href="/license/contributor-agreements/corporate-update-schedule.html"><div class="toc-3-item">CCLA Schedule A Update (echosign)</div></a>
</div>
<div class="toc-3 ">
<a href="/license/contributor-agreements/brooklyn-icla.txt"><div class="toc-3-item">Individual CLA (raw text)</div></a>
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<b>brooklyn is distributed under the Apache License v2.0.</b><br/>
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