annotate jssst.html @ 57:e4f9f1e37993

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author Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
date Mon, 26 Sep 2011 01:56:09 +0900
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children ca7ae1dc95cc
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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21 </style>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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22 <title>2011/9/27</title>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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23 <!-- metadata -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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26 <meta name="presdate" content="20110910" />
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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27 <meta name="author" content="Nobuyasu Oshiro" />
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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28 <meta name="company" content="University of the Ryukyu" />
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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44 <!-- configuration audio extension -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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49 <meta name="audioDebug" content="false" />
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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50 <!-- style sheet links -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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51 <link rel="stylesheet" href="ui/default_utf/slides.css" type="text/css" media="projection" id="slideProj" />
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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55 <!-- embedded styles -->
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56 <style type="text/css" media="all">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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57 .imgcon {width: 100%; margin: 0 auto; padding: 0; text-align: center;}
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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58 #anim {width: 33%; height: 320px; position: relative;}
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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59 #anim img {position: absolute; top: 0px; left: 0px;}
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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60 </style>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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61 <!-- S5 JS -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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62 <script src="ui/default_utf/slides.js" type="text/javascript"></script>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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63 </head>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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64 <body>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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65
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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66 <div class="layout">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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67 <div id="controls"><!-- DO NOT EDIT --></div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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68 <div id="currentSlide"><!-- DO NOT EDIT --></div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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69 <div id="header"></div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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70 <div id="footer">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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71 <h1>セミナー: 2011/ 9/ 27</h1>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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72 <h2>並列信頼研</h2>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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73 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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74 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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75
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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76 <div class="presentation">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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77 <div class="slide">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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78 <h1>Java による授業向け画面共有システムの設計と実装 </li>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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79 <h3></h3>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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80 <li>谷成 雄</li>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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81 <h4><a href="http://ie.u-ryukyu.ac.jp/" rel="external">琉球大学 並列信頼研究室</a></h4>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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82 <div class="handout"></div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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83 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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84 <!-- PAGE -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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85 <div class="slide">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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86 <h1>目的と背景</h1>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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87 <li>大学の講義中、スクリーンに映されている画面は後ろの席程見えずらい。 </li>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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88 <li>その問題を手元のPCにも写せるようにすることで解決しようと考えた。</li>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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89 <li class="incremental">60人以上での画面共有を行うシステムを目標とする。</li>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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90 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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91 <!-- PAGE -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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92 <div class="slide">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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93 <h1>VNCによる画面共有</h1>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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94 <li>今回、VNCを用いて画面共有システムを作成する。</li>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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95 <li>VNC: Virtual Network Computing </br>ネットワークを介してコンピュータを遠隔操作するプログラム </li>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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96 <li class="incremental">VNC用いた授業用画面共有システムTreeVNCの設計と実装を行った。</li>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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97 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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98 <!-- PAGE -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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99 <div class="slide">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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100 <h1>通常のVNCの問題点</h1>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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101 <table class="center">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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102 <tr>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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103 <td width=50% >
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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104 <p style="text-aline: center;" >
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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105 <img clas="scale" src="./pix/NormalVNC3.png" width="450">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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106 </p>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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107 </td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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108 <td width=50% style="text-align: left;">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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109 <li><small>VNC Serverの負荷が重い。</small></li>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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110 <li><small>Server側の通信網1本への通信負荷が高い。</small></li>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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111 </td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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112 </tr>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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113 </table>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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114 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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115 <!-- PAGE -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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116 <div class="slide">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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117 <h1>通常のVNCの問題点</h1>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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118 <p style="text-align: center;">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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119 <li>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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120 <samll>1台と48台でVNCをかけた時のスループットとサーバ側のCPU使用率</small>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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121 </li>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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122 </p>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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123 <table class="center" class="incremental" border=1>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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124 <tr>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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125 <td></td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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126 <td>スループット(単位:Byte)</td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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127 <td>CPU使用率</td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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128 </tr>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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129
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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130 <tr>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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131 <td>1台</td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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132 <td>20M<small>(VNCでの最大速度)</small></td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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133 <td>55%</td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
134 </tr>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
135
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
136 <tr>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
137 <td>48台</td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
138 <td>4M(1台あたりのスループット)</td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
139 <td>100%</td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
140 </tr>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
141 </table>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
142 <li>VNCに使われるCPUの使用率が100%になり、スループットが5分の1まで下がっている。</li>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
143
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
144 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
145 <!-- PAGE -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
146 <div class="slide">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
147 <h1>通常のVNCの問題点</h1>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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148 <li>サーバへのCPU負荷が高い</li>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
149 <li>1本の通信網への負荷が高い</li>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
150 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
151 <!-- PAGE -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
152 <!--
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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153 <div class="slide">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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154 <h1>VNCの問題点の解決策</h1>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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155 <p style="text-align: center;">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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156 <small>クライアントを木構造で接続させるTreeVNC</samll><br>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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157 <img class="scale" src="./pix/TreeVNC0.png" width="500" heigth="500"><br>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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158 </p>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
159 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
160 -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
161 <!-- PAGE -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
162 <div class="slide">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
163 <h1>TreeVNCの設計</h1>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
164 <li>木構造での接続</li>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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165 <li>クライアントの管理を行うTop Proxyを置く。</li>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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166 <li>データは木の下へと流していくようにする。</li>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
167 <!-- <li>tightVNC ViewerのJava版を元にTreeVNCの実装を行う。</li> -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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168 <p style="text-align: center;">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
169 <img class="scale" src="./pix/TreeVNC0.png" width="500" heigth="500">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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170 </p>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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171 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
172
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
173 <!-- PAGE -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
174 <div class="slide">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
175 <div class="taninaritop">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
176 <h1>木の構成手順</h1>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
177 <table class="tanitable">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
178 <tr>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
179 <td width=50%>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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180 <center><img class="scale" style="display: block; width: 100%; margin: auto;" src="pix/connect1.png" alt=""></center>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
181 </td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
182 <td valign="top">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
183 <Font size="6">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
184 TはTopProxy<br>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
185 クライアントが接続する際に一旦Topに接続して、新しい接続先を
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
186 </td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
187 </tr>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
188 </table>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
189 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
190 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
191
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
192 <div class="slide">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
193 <div class="taninaritop">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
194 <h1>木の構成手順</h1>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
195 <table class="tanitable">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
196 <tr>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
197 <td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
198 <center><img class="scale" src="pix/connect2.png" alt=""></center>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
199 </td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
200 <td valign="top" style="display: block; width: 100%; margin: auto;">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
201 <Font size="6">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
202 接続先を決定する際に<br>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
203 <Font color="red">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
204 parentNum = (treeNum - 2) / treebranch<br>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
205 </Font>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
206 を計算して接続先を決定している。
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
207 </td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
208 </tr>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
209 </table>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
210 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
211 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
212
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
213 <div class="slide">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
214 <div class="taninaritop">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
215 <h1>木の構成手順</h1>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
216 <table class="tanitable">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
217 <tr>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
218 <td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
219 <center><img class="scale" src="pix/connect3.png" alt=""></center>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
220 </td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
221 <td valign="top">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
222 <Font size="6">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
223
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
224 </Font>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
225 </Font>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
226 </td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
227 </tr>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
228 </table>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
229 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
230 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
231
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
232
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
233
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
234 <!--PAGE-->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
235 <div class="slide">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
236 <div class="taninaritop">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
237 <h1>木の再構成手順</h1>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
238 <table class="tanitable">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
239 <tr>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
240 <td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
241 <center><img class="scale" src="pix/reconnection1.png" alt=""></center>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
242 </td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
243 <td valign="top">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
244 <Font size="6">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
245 </Font>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
246 </Font>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
247 </td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
248 </tr>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
249 </table>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
250 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
251 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
252
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
253 <!--PAGE-->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
254 <div class="slide">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
255 <div class="taninaritop">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
256 <h1>木の再構成手順</h1>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
257 <table class="tanitable">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
258 <tr>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
259 <td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
260 <center><img class="scale" src="pix/reconnection2.png" alt=""></center>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
261 </td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
262 <td valign="top">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
263 <Font size="6">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
264 </Font>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
265 </td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
266 </tr>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
267 </table>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
268 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
269 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
270
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
271 <!-- PAGE -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
272 <div class="slide">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
273 <h1>TreeVNCの設計</h1>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
274 <table class="center" width=100% style="text-align: center;">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
275 <tr>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
276 <td><small>通常のVNC</small></td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
277 <td><small>TreeVNC</small></td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
278 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
279 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
280 <td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
281 <img class="scale" src="./pix/NormalVNC3.png" width="300">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
282 </td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
283 <td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
284 <img src="./pix/TreeVNC3.png" width="300">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
285 </td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
286 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
287 </p>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
288 </table>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
289 <li>クライアントが増えてもかかる負荷一定。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
290 <li>通信網1本に対する負荷が減り、安定した通信ができる(有線)。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
291 </div>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
292 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
293 <!-- PAGE -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
294 <div class="slide">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
295 <h1>TreeVNCの設計</h1>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
296 <table class="center" width=100% style="text-align: center;">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
297 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
298 <td><small>通常のVNC</small></td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
299 <td><small>TreeVNC</small></td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
300 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
301 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
302 <td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
303 <img class="scale" src="./pix/NormalVNC3.png" width="300">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
304 </td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
305 <td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
306 <img src="./pix/TreeVNC3.png" width="300">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
307 </td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
308 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
309 </p>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
310 </table>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
311 <table class="center" border=1 cellspacing="0" width=100%>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
312 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
313 <td></td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
314 <td>通常のVNC</td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
315 <td>TreeVNC</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
316 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
317 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
318 <td>通信量</td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
319 <td> N*データ量 (クライアントの数に比例) </td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
320 <td> (M+1) * データ量</td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
321 </tr>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
322 </table>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
323 <p style="text-align: center;"><small>クライアントの数をN、木構造の子供の数をMとする</small> </p>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
324 </div>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
325 </div>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
326
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
327
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
328 <!--RFBPROTOCOL説明-->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
329
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
330
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
331 <!-- PAGE -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
332 <div class="slide">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
333 <h1>画像の更新(FramebufferUpdate)</h1>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
334 <li>転送される画面(フレームバッファ)のデータは変更があった部分(差分)だけが矩形単位で送られる。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
335 <table class="center" width=100%>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
336 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
337 <td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
338 <img src="./pix/hadesScreen1.png">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
339 </td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
340 <td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
341 <img src="./pix/rightArrow.png">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
342 </td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
343 <td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
344 <img src="./pix/hadesScreen2.png">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
345 </td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
346 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
347 </table>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
348 <small>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
349 <p style="text-align: center;"><font color=red>赤枠 </font>で囲まれている矩形のデータだけが送られてくる。 </p>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
350 </small>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
351 </div>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
352 <!-- PAGE -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
353 <div class="slide">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
354 <h1>データの転送</h1>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
355 <li>クライアントから接続されるとsenderスレッドが作られる。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
356 <li>senderスレッドによりデータの転送は並列に行われる。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
357   <p class="textcenter">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
358 <img src="./pix/MulticastQueue3.png">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
359 </p>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
360 <li class="incremental">MulticastQueueクラスを用いた並列な転送を行った。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
361 </div>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
362
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
363    <!--MulticastQueueが必要になった経緯-->
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
364 <div class="slide">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
365 <h1>MulticastQueue</h1>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
366 <li>クライアントは、自分のペースでデータを読み込みたい。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
367 <li></li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
368 <li class="incremental">TreeVNCではVNCサーバとの接続はこのZRLEを扱う。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
369 </div>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
370
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
371 <!-- PAGE -->
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
372 <div class="slide">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
373 <h1>MulticastQueue</h1>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
374 <table class="textcenter" style="margin-top: 50px" width=100% border=1 cellspacing="0">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
375 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
376 <td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
377 <img src="./pix/MulticastQueue_proxy2.png" width="600">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
378 </td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
379 <td style="text-align: left;" width=50%>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
380 <li>putでデータの入力</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
381 <li>pollでデータの取り出し</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
382 <li>Proxyは常に最新のデータの参照を渡す</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
383 </td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
384 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
385 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
386 <td width=50%>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
387 <img src="./pix/MulticastQueue_proxy3.png" width="600">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
388 </td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
389 <td style="text-align: left;">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
390 <li>クライアントは最新のデータから読み込み始める。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
391 </td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
392 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
393 </table>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
394 </div>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
395 <!-- PAGE -->
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
396 <div class="slide">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
397 <h1>MulticastQueueの問題点</h1>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
398 <li>クライアントがデータを読み込まない時...
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
399 <table class="textcenter" width=100% style="margin-top: 50px; margin-bottom: 50px;">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
400 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
401 <td width=50%>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
402 <img src="./pix/MCTimeOut1.png">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
403 </td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
404 <td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
405 <img src="./pix/MCTimeOut2.png">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
406 </td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
407 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
408 </table>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
409 <li>読み込まれないデータはProxyのメモリに残り続ける。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
410 </div>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
411 <!-- PAGE -->
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
412 <div class="slide">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
413 <h1>MulticastQueueの問題点</h1>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
414 <li>TimeOut(TO)スレッドを走らせ、最新のデータから取得できるようする。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
415 <table class="textcenter" width=100% style="margin-top: 50px; margin-bottom: 50px;">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
416 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
417 <td width=50%>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
418 <img src="./pix/MCTimeOut3.png">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
419 </td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
420 <td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
421 <img src="./pix/MCTimeOut4.png">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
422 </td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
423 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
424 </table>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
425 <li>どこからも参照されないデータはProxyのメモリから削除される。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
426 </div>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
427 <!-- PAGE -->
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
428 <div class="slide">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
429 <h1>エンコード</h1>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
430 <li>MAC OS XではZRLEを使ってVNCを行うことができる</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
431 <li>ZRLEはデータ量がRAWデータの約4分の1ですむ。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
432 <li class="incremental">TreeVNCではVNCサーバとの接続はこのZRLEを扱う。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
433 </div>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
434 <!-- PAGE -->
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
435 <div class="slide">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
436 <h1>ZRLE</h1>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
437 <li>ZRLE : Zlib Run-Length Encoding </li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
438 <ul>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
439 <li>Zlib圧縮(gzip)されたデータ扱うエンコーディング。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
440 </ul>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
441 <li>最初の4バイトにはZlibのデータの長さが、続いてZlibのデータが送られてくる。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
442 <small>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
443 <table border=1 width=50% cellspacing="0">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
444 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
445 <td>バイト数</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
446 <td><pre>型 </pre></td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
447 <td>説明 </td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
448 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
449 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
450 <td>4</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
451 <td>U32</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
452 <td>length</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
453 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
454 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
455 <td>length</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
456 <td>U8 array</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
457 <td>ZlibData</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
458 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
459 </table>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
460 </small>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
461 <li class="incremental">Zlibデータは辞書を元にデータの解凍を行う</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
462 <li class="incremental">辞書がなければデータを正しく解凍できない</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
463 </div>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
464 <!-- PAGE -->
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
465 <div class="slide">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
466 <h1>ZRLEE</h1>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
467 <li>そこで、ProxyがZRLEを使ってデータを受け取り圧縮し直して木の下へ流していくことにした。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
468 <li><small>この圧縮し直したデータはZRLEEと名付けた。</small></li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
469 <table class="textcenter" width=100%>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
470 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
471 <td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
472 <img src="./pix/ZRLEE2.png" width="600">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
473 </td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
474 <td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
475 <img src="./pix/ZRLEE3.png" width="600">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
476 </td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
477 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
478 </table>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
479 </div>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
480 <!-- PAGE -->
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
481 <div class="slide">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
482 <h1>ZRLEEの疑問点</h1>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
483 <li>ZRLEEには毎回辞書が付与されている。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
484 <p class="textcenter">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
485 <img src="./pix/ZRLEE2.png" width="600">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
486 </p>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
487 <li class="incremental">ZRLEに比べるとデータ量は増えないのか...?</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
488 <li class="incremental">-> ZRLEと比較してみるとデータ量は少なくなった。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
489 </div>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
490 <!-- PAGE -->
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
491 <div class="slide">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
492 <h1>ZRLEEのデータ量</h1>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
493 <p style="text-align: center;">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
494 <small>1920*1080の描画にかかったデータ量</small>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
495 </p>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
496 <table class="textcenter" width=100%>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
497 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
498 <td width=50%>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
499 <img src="./pix/dataLength.png" width="450" heigth="325">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
500 </td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
501 <td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
502 <table border=1 cellspacing="0" width=100%>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
503 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
504 <td></td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
505 <td>ZRLE</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
506 <td>ZRLEE</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
507 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
508 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
509 <td>データ量</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
510 <td>3.4M</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
511 <td>3.2M</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
512 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
513 </table>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
514 </td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
515 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
516 </table>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
517 <li>ZRLEよりデータ量が多くなるどころか少ない。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
518 <li>原因</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
519 <ul>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
520 <li>ZRLEEは送られるデータ毎で最適な辞書が使われる。</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
521 </ul>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
522 </div>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
523
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
524
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
525 <!-- PAGE -->
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
526 <div class="slide">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
527 <h1>データ転送量</h1>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
528 <p style="text-align: center;">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
529 <small>矩形の大きさと描画に必要なデータ量(単位:Byte)</small>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
530 </p>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
531 <table class="center" border=1 cellspacing="0" width=80%>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
532 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
533 <td>矩形の大きさ \ エンコード</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
534 <td>RAW</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
535 <td>ZRLE</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
536 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
537
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
538 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
539 <td>724 * 449</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
540 <!--
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
541 <td>1300304</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
542 <td>796642</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
543 -->
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
544 <td>1.3M</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
545 <td>0.8M</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
546 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
547
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
548 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
549 <td>1920 * 64</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
550 <!--
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
551 <td>491520</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
552 <td>309602</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
553 -->
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
554 <td>0.5M</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
555 <td>0.15M</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
556 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
557
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
558 <tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
559 <td>1920 * 1080</td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
560 <!--
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
561 <td>8294400</td>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
562 <td>3472780</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
563 -->
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
564 <td>8.2M</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
565 <td>3.4M</td>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
566 </tr>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
567
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
568 </table>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
569
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
570 <p style="text-align: center;">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
571 <img src="./pix/dataLength.png" width="450" heigth="325"> <br>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
572 <small>RAW、ZRLE、ZRLEEエンコードのデータ量の比較</small>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
573 </p>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
574 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
575 <!-- PAGE -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
576 <div class="slide">
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
577 <h1>既存のプログラムとの比較</h1>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
578 <li>VNC Reflector</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
579 <ul>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
580 <li>tightVNCの作者が作成したプログラム</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
581 <li>VNC Reflecotrにクライアントが接続することでVNCを行うことができる</li>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
582 </ul>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
583 </div>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
584 <!-- PAGE -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
585 <!-- PAGE -->
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
586 <div class="slide">
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
587 <h1>質問タイム</h1>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
588 </div>
e4f9f1e37993 add Presentation
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
589 </body>
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
590 </html>