P2P網路電視測試報告（測試篇）︱Mr./Ms.Days…


	P2P網路電視測試報告（測試篇）︱Mr./Ms.Days…

joeywo

10-11-2009 3:02 PM

67 views

tags:

pchome雜誌, p2p網路電視

joeywo says:

PCHOME165期10月號延伸閱讀，更多內容請上Mr./Ms.Days觀看（內容超詳細）～

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/ad20bfb7-078c-4842-a92c-cc0df552cb70/9B49B718-F2CB-47AA-B788-3A5B6FD1D6A4/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://mmdays.wordpress.com/2007/04/23/p2p-tv2/" href="http://mmdays.wordpress.com/2007/04/23/p2p-tv2/" style="font-size: 11px;">mmdays.wordpress.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://mmdays.wordpress.com/2007/04/23/p2p-tv2/"><DIV id="header">
<H1><A title="Mr./Ms. Days – 網路, 資訊, 觀察, 生活" href="http://mmdays.wordpress.com/" linkindex="4">Mr./Ms. Days – 網路, 資訊, 觀察, 生活</A></H1>
<H2>網路、產業、資訊、觀察、生活、電影、技術、新知、科技、媒體、趨勢、Web 2.0</H2>
</DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://mmdays.wordpress.com/2007/04/23/p2p-tv2/"><H2>P2P網路電視測試報告解讀(下) – 群雄爭霸, 誰勝誰負?</H2></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://mmdays.wordpress.com/2007/04/23/p2p-tv2/">這篇主要就來看看PPStream, PPLive, Sopcast, TVants這四個當下最流行的P2P TV效能到底誰好吧</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://mmdays.wordpress.com/2007/04/23/p2p-tv2/">P2P與Server-Client(主從式)是相對的, 如果今天架構是採主從式, 那就不會有P2P存在. 而純粹P2P的架構也不應該會有server出現. 只是因為純P2P雖然在檔案傳輸上的效果很好, 但在搜尋上確差了主從式一大截, 因此現在流行的P2P軟體大多是”搜尋的時後用主從式, 下載的時候用P2P式”</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://mmdays.wordpress.com/2007/04/23/p2p-tv2/"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/mmdays.wordpress.com/img/DA550C21-DB7D-4251-9560-331F9B793E28" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://mmdays.wordpress.com/2007/04/23/p2p-tv2/">現行的p2p大多也都是採這種搜尋架構</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://mmdays.wordpress.com/2007/04/23/p2p-tv2/">至於這個”某節目的P2P網路”能不能置換成主從式的架構呢? 當然可以. 主從式架構將會有一到多個伺服器負責將影片傳給大眾. Youtube就是這樣囉.不過這種架構非常耗成本就是了.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://mmdays.wordpress.com/2007/04/23/p2p-tv2/">“節目形式”也會對P2P網路架構設計造成很大的影響</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://mmdays.wordpress.com/2007/04/23/p2p-tv2/">錄影撥出就像是Youtube這種型態, 每個觀眾觀看的時候可以任意選擇要從影片的哪一個點開始看, 而現場直播形態則是每個觀眾看一樣的片段, 像現在的PPStream就是. <STRONG><FONT color="#ff0000">本系列是針對”現場直播”的型態做介紹</FONT></STRONG></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://mmdays.wordpress.com/2007/04/23/p2p-tv2/"><FONT color="#ff0000">整體來說, 如果這四個p2p-tv軟體要我選一個, 我會選擇…PPStream</FONT></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/9B49B718-F2CB-47AA-B788-3A5B6FD1D6A4/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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