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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="generator" content="pandoc">
<meta name="author" content="Verteilte Filehosting- und Kollaborations- Plattform https://github.com/symcloud" />
<title>symCloud</title>
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<link rel="stylesheet" href="bower_components/reveal.js/css/reveal.css"/>
<style type="text/css">code{white-space: pre;}</style>
<link rel="stylesheet" href="bower_components/reveal.js/css/theme/night.css" id="theme">
<link rel="stylesheet" href="css/style.css"/>
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<script src="bower_components/reveal.js/lib/js/html5shiv.js"></script>
<![endif]-->
</head>
<body>
<div class="reveal">
<div class="slides">
<section>
<h1 class="title">symCloud</h1>
<h2 class="author">Verteilte Filehosting- und Kollaborations- Plattform <a href="https://github.com/symcloud" class="uri">https://github.com/symcloud</a></h2>
<h3 class="date"><small>Erstellt von <a href="https://github.com/wachterjohannes">Johannes Wachter</a> | <a href="https://twitter.com/WachterJohannes">@WachterJohannes</a></small></h3>
</section>
<section><section id="small" class="titleslide slide level1 small"><h1>Über das Projekt …</h1></section><section class="slide level2">
<p>initiiert 2014</p>
<p>als ein Thema für meine Masterarbeit ohne konkretes Ziel</p>
</section><section id="owncloud" class="slide level2">
<h1>ownCloud</h1>
<p>ownCloud is a self hosted file sync and share server. It provides access to your data through a web interface, sync clients or WebDAV while providing a platform to view, sync and share across devices easily—all under your control.</p>
</section><section id="awesome" class="slide level2 hide-header" data-background="http://i.giphy.com/fO1c8eUlcx2bS.gif">
<h1>awesome</h1>
</section><section id="spezifikationen" class="slide level2">
<h1>Spezifikationen</h1>
<ul>
<li>PHP & Symfony 2</li>
<li>Versionierung</li>
<li>Verteilung</li>
<li>Teilen</li>
<li>Sicherheit</li>
</ul>
</section></section>
<section><section id="inspiration" class="titleslide slide level1"><h1>Inspiration</h1></section><section id="project-xanadu" class="slide level2">
<h1>Project Xanadu</h1>
<ul>
<li>first hypertext project</li>
<li>founded in 1960 by Ted Nelson</li>
</ul>
</section><section class="slide level2">
<p>„HTML ist exakt was wir zu VERHINDERN versucht haben - ständig tote Links, Links die nur nach außen führen, Zitate, die man nicht zu ihren Ursprüngen zurückverfolgen kann, keine Versionsverwaltung, keine Rechteverwaltung.“</p>
<p>– Ted Nelson</p>
</section><section id="features" class="slide level2">
<h1>Features</h1>
<ul>
<li>Transclusion</li>
<li>Bidirektionale Links</li>
<li>Micropayment</li>
<li>Versionierung</li>
<li>Redundanzen</li>
</ul>
<hr/>
<h4 id="bestand-aus-17-thesen.">Bestand aus 17 Thesen.</h4>
</section><section id="wichtige-thesen" class="slide level2">
<h1>Wichtige Thesen</h1>
<ul>
<li>(2.) Every Xanadu server can be operated independently or in a network.</li>
<li>(4.) Every user can search, retrieve, create and store documents.</li>
<li>(12.) Every document can be rapidly searched, stored and retrieved without user knowledge of where it is physically stored.</li>
<li>(13.) Every document is automatically stored redundantly to maintain availability even in case of a disaster.</li>
</ul>
</section><section id="diaspora" class="slide level2">
<h1>diaspora*</h1>
</section><section id="hard-facts" class="slide level2">
<h1>Hard Facts</h1>
<ul>
<li>open-source distributed social-network</li>
<li>founded 2010 by:
<ul>
<li>Dan Grippi</li>
<li>Maxwell Salzberg</li>
<li>Raphael Sofaer</li>
<li>Ilya Zhitomirskiy (†2011)</li>
</ul></li>
</ul>
</section><section class="slide level2">
<figure>
<img src="https://diasporafoundation.org/assets/pages/about/network-distributed-e941dd3e345d022ceae909beccccbacd.png" alt="" />
</figure>
</section><section id="diaspora-1" class="slide level2">
<h1>diaspora*</h1>
<ul>
<li>Decentralization</li>
<li>Freedom</li>
<li>Privacy</li>
</ul>
<hr/>
<h3 id="you-own-your-data">You Own Your Data</h3>
</section><section id="awesome-1" class="slide level2 hide-header" data-background="http://i.giphy.com/9w9Bpoiddg72U.gif">
<h1>awesome</h1>
</section></section>
<section><section id="all-in-all" class="titleslide slide level1"><h1>All in all</h1></section><section class="slide level2">
<h3 id="evaluierung-und-entwicklung-eines-verteilten-speicherkonzeptes-als-grundlage-für-eine-filehosting--und-kollaborations--plattform">Evaluierung und Entwicklung eines verteilten Speicherkonzeptes als Grundlage für eine Filehosting- und Kollaborations- Plattform</h3>
<p>(working title)</p>
</section><section class="slide level2">
<p>Vision</p>
<h3 id="connect-everything">connect everything</h3>
</section><section class="slide level2">
<h4 id="open-secure-simple">Open & Secure & Simple</h4>
<h3 id="filehosting-coudstorage">Filehosting Coudstorage</h3>
<h4 id="to-connect-them-all">to connect them all</h4>
</section></section>
<section><section id="datenmodell" class="titleslide slide level1"><h1>Datenmodell</h1></section><section id="git" class="slide level2">
<h1>GIT</h1>
<p>Datenmodell basiert auf GIT</p>
<figure>
<img src="img/git-data-model.png" alt="" />
</figure>
</section><section id="git-1" class="slide level2">
<h1>GIT</h1>
<ul>
<li>Hash-Value Datenbank</li>
<li>Immutable Objekte</li>
<li>Referenzen nicht in Datenbank</li>
</ul>
</section><section id="symcloud" class="slide level2">
<h1>symCloud</h1>
<figure>
<img src="img/data-model.png" alt="" />
</figure>
</section></section>
<section><section id="architektur" class="titleslide slide level1"><h1>Architektur</h1></section><section class="slide level2">
<figure>
<img src="img/architecture.png" alt="" />
</figure>
</section></section>
<section><section id="datenbank" class="titleslide slide level1"><h1>Datenbank</h1></section><section id="store" class="slide level2 img-white">
<h1>Store</h1>
<figure>
<img src="img/database/store.png" alt="" />
</figure>
</section><section id="fetch" class="slide level2 img-white">
<h1>Fetch</h1>
<figure>
<img src="img/database/fetch.png" alt="" />
</figure>
</section><section id="replikator" class="slide level2">
<h1>Replikator</h1>
<ul>
<li>Erstellt Replikationen im Netzwerk</li>
<li>Kümmert sich um Caching</li>
<li>Lädt Daten von anderen Servern nach</li>
<li>Implementiert ein primärbasiertes Protokoll</li>
</ul>
</section><section id="xtreemfs" class="slide level2">
<h1>XtreemFS</h1>
<ul>
<li>Inspiration bei der Replikation</li>
<li>Primärbasiertes Protokoll</li>
</ul>
</section><section class="slide level2">
<figure>
<img src="http://xtreemfs.org/imgs/rw_repl_1.png" alt="" />
</figure>
</section><section class="slide level2">
<figure>
<img src="http://xtreemfs.org/imgs/rw_repl_2.png" alt="" />
</figure>
</section><section class="slide level2">
<figure>
<img src="http://xtreemfs.org/imgs/rw_repl_3.png" alt="" />
</figure>
</section><section class="slide level2">
<figure>
<img src="http://xtreemfs.org/imgs/rw_repl_4.png" alt="" />
</figure>
</section><section class="slide level2">
<figure>
<img src="http://xtreemfs.org/imgs/rw_repl_5.png" alt="" />
</figure>
<p><small>Quelle <a href="http://xtreemfs.org/how_replication_works.php" class="uri">http://xtreemfs.org/how_replication_works.php</a></small></p>
</section><section id="symcloud-1" class="slide level2">
<h1>symCloud</h1>
<ul>
<li>Daten immer dort bearbeiten, wo sie erstellt wurden</li>
<li>Immutable Objekte werden nicht bearbeitet</li>
</ul>
</section><section id="on-store" class="slide level2 img-white">
<h1>on Store</h1>
<figure>
<img src="img/database/replicator-on-store.png" alt="" />
</figure>
</section><section id="on-fetch" class="slide level2 img-white">
<h1>on Fetch</h1>
<figure>
<img src="img/database/replicator-on-fetch.png" alt="" />
</figure>
</section><section id="konflikt" class="slide level2 img-white">
<h1>Konflikt</h1>
<figure>
<img src="img/conflict.png" alt="" />
</figure>
</section></section>
<section><section id="ausblick" class="titleslide slide level1"><h1>Ausblick</h1></section><section id="webfinger" class="slide level2">
<h1>webfinger</h1>
<p>WebFinger protocol can be used to discover information about people or other entities on the Internet using standard HTTP methods.</p>
<p><a href="https://tools.ietf.org/html/rfc7033">RFC-7033: WebFinger</a></p>
</section><section id="pubsubhubbub" class="slide level2">
<h1>PubSubHubbub</h1>
<p>An open, simple, web-scale and decentralized pubsub protocol. Anybody can play.</p>
<p><a href="http://pubsubhubbub.github.io/PubSubHubbub/pubsubhubbub-core-0.4.html">PubSubHubbub Core 0.4 – Working Draft</a></p>
</section><section id="plattform-in-sulu" class="slide level2 smaller-title">
<h1>Plattform in SULU</h1>
<ul>
<li>start <strong>sharing</strong></li>
<li>enable <strong>editing</strong></li>
<li>discover <strong>others</strong></li>
</ul>
<hr/>
<h3 id="bring-all-together">bring all together</h3>
</section><section id="spezifikation" class="slide level2">
<h1>Spezifikation</h1>
<ul>
<li>Für Transportlayer und Datenmodell</li>
<li>Unabhängig von Programmiersprache</li>
<li>Erleichtert integration</li>
</ul>
</section></section>
<section><section id="the-end" class="titleslide slide level1"><h1>The End</h1></section><section id="links" class="slide level2">
<h1>Links</h1>
<ul>
<li><a href="http://xanadu.com/">Project Xanadu</a></li>
<li><a href="http://blog.codinghorror.com/the-xanadu-dream/">The Xanadu Dream</a></li>
<li><a href="http://archive.wired.com/wired/archive//3.06/xanadu_pr.html">The Curse of Xanadu</a></li>
<li><a href="http://fsub.schule.de/freie/1freie-index.htm?/freie/xanadu.htm">Xanadu - Ein Wissens- und Informationssystem</a></li>
<li><a href="https://diasporafoundation.org">How does diaspora* work?</a></li>
<li><a href="http://www.bloomberg.com/bw/articles/2012-05-10/on-diasporas-social-network-you-own-your-data">On Diaspora’s Social Network, You Own Your Data</a></li>
<li><a href="http://xtreemfs.org/how_replication_works.php">XtreemFS - Under the Hood: File Replication</a></li>
<li><a href="https://github.com/symcloud">symCloud Organisation</a></li>
</ul>
</section></section>
</div>
</div>
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