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<?xml version="1.0" encoding="EUC-KR"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="ko" xml:lang="ko"><head> <meta content="text/html; charset=EUC-KR" http-equiv="Content-Type" /> <!-- XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX This file is generated from xml source: DO NOT EDIT XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX --> <title>mod_unique_id - Apache HTTP Server Version 2.2</title> <link href="../style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" /> <link href="../style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" /> <link href="../style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" /><link rel="stylesheet" type="text/css" href="../style/css/prettify.css" /> <script src="../style/scripts/prettify.min.js" type="text/javascript"> </script> <link href="../images/favicon.ico" rel="shortcut icon" /><link href="http://httpd.apache.org/docs/current/mod/mod_unique_id.html" rel="canonical" /></head> <body> <div id="page-header"> <p class="menu"><a href="../mod/">¸ðµâ</a> | <a href="../mod/directives.html">Áö½Ã¾îµé</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="../glossary.html">¿ë¾î</a> | <a href="../sitemap.html">»çÀÌÆ®¸Ê</a></p> <p class="apache">Apache HTTP Server Version 2.2</p> <img alt="" src="../images/feather.gif" /></div> <div class="up"><a href="./"><img title="<-" alt="<-" src="../images/left.gif" /></a></div> <div id="path"> <a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs/">Documentation</a> > <a href="../">Version 2.2</a> > <a href="./">¸ðµâ</a></div> <div id="page-content"> <div class="retired"><h4>Please note</h4> <p> This document refers to a legacy release (<strong>2.2</strong>) of Apache httpd. The active release (<strong>2.4</strong>) is documented <a href="http://httpd.apache.org/docs/current">here</a>. If you have not already upgraded, please follow <a href="http://httpd.apache.org/docs/current/upgrading.html">this link</a> for more information.</p> <p>You may follow <a href="http://httpd.apache.org/docs/current/mod/mod_unique_id.html">this link</a> to go to the current version of this document.</p></div><div id="preamble"><h1>¾ÆÆÄÄ¡ ¸ðµâ mod_unique_id</h1> <div class="toplang"> <p><span>°¡´ÉÇÑ ¾ð¾î: </span><a href="../en/mod/mod_unique_id.html" hreflang="en" rel="alternate" title="English"> en </a> | <a href="../ja/mod/mod_unique_id.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> | <a href="../ko/mod/mod_unique_id.html" title="Korean"> ko </a></p> </div> <div class="outofdate">ÀÌ ¹®¼´Â ÃÖ½ÅÆÇ ¹ø¿ªÀÌ ¾Æ´Õ´Ï´Ù. ÃÖ±Ù¿¡ º¯°æµÈ ³»¿ëÀº ¿µ¾î ¹®¼¸¦ Âü°íÇϼ¼¿ä.</div> <table class="module"><tr><th><a href="module-dict.html#Description">¼³¸í:</a></th><td>°¢ ¿äû¸¶´Ù À¯ÀÏÇÑ ½Äº°ÀÚ¸¦ °¡Áö´Â ȯ°æº¯¼ö¸¦ Á¦°øÇÑ´Ù</td></tr> <tr><th><a href="module-dict.html#Status">»óÅÂ:</a></th><td>Extension</td></tr> <tr><th><a href="module-dict.html#ModuleIdentifier">¸ðµâ¸í:</a></th><td>unique_id_module</td></tr> <tr><th><a href="module-dict.html#SourceFile">¼Ò½ºÆÄÀÏ:</a></th><td>mod_unique_id.c</td></tr></table> <h3>¿ä¾à</h3> <p>ÀÌ ¸ðµâÀº ¾î¶² Ưº°ÇÑ »óȲ¿¡¼µµ "¸ðµç" ¿äûÁß¿¡¼ À¯ÀÏÇϵµ·Ï º¸ÀåµÈ ½Äº°ÀÚ(identifier)¸¦ ¸ðµç ¿äû¿¡ Á¦°øÇÑ´Ù. ½ÉÁö¾î ÀÌ ½Äº°Àڴ Ưº°ÇÏ°Ô ±¸¼ºÇÑ Å¬·¯½ºÅÍÀÇ ¿©·¯ ÄÄÇ»Å͵é Áß¿¡¼µµ À¯ÀÏÇÏ´Ù. °¢ ¿äû¸¶´Ù ȯ°æº¯¼ö <code>UNIQUE_ID</code>¸¦ ¼³Á¤ÇÑ´Ù. À¯ÀÏÇÑ ½Äº°ÀÚ´Â ¿©·¯°¡Áö ¿ëµµ·Î »ç¿ëÇÒ ¼ö ÀÖÁö¸¸, ¼³¸íÀº ÀÌ ¹®¼ÀÇ ¹üÀ§¸¦ ³Ñ¾î¼±´Ù.</p> </div> <div id="quickview"><h3>ÁÖÁ¦</h3> <ul id="topics"> <li><img alt="" src="../images/down.gif" /> <a href="#theory">ÀÌ·Ð</a></li> </ul><h3 class="directives">Áö½Ã¾îµé</h3> <p>ÀÌ ¸ðµâ¿¡´Â Áö½Ã¾î°¡ ¾ø½À´Ï´Ù.</p> <ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div> <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> <div class="section"> <h2><a name="theory" id="theory">ÀÌ·Ð</a></h2> <p>¸ÕÀú À¯´Ð½º ½Ã½ºÅÛ¿¡¼ ¾ÆÆÄÄ¡ ¼¹ö°¡ ¾î¶»°Ô µ¿ÀÛÇÏ´ÂÁö °£·«È÷ »ìÆ캸ÀÚ. Windows NT´Â ÇöÀç ÀÌ ±â´ÉÀ» Áö¿øÇÏÁö ¾Ê´Â´Ù. À¯´Ð½º¿¡¼ ¾ÆÆÄÄ¡´Â ¿©·¯ ÀÚ½ÄÀ» ¸¸µé°í, ÀÚ½Ä ÇÁ·Î¼¼½º´Â Çѹø¿¡ ÇÑ ¿äû¾¿ ó¸®ÇÑ´Ù. ÀÚ½ÄÀº ½ÇÇàÁß¿¡ ¿©·¯ ¿äûÀ» ó¸®ÇÑ´Ù. ¿©±â¼ Áß¿äÇÑ °ÍÀº ÀڽĵéÀÌ ¼·Î ÀڷḦ °øÀ¯ÇÏÁö ¾Ê´Â´Ù´Â Á¡ÀÌ´Ù. ¾ÕÀ¸·Î ÀÚ½ÄÀ» httpd ÇÁ·Î¼¼½º¶ó°í ÇÑ´Ù.</p> <p>¿©·¯ ÄÄÇ»ÅÍ·Î À¥»çÀÌÆ®¸¦ ¼ºñ½ºÇÑ´Ù¸é Ŭ·¯½ºÅÍ(cluster)¶ó°í ºÎ¸¥´Ù. °¢ ÄÄÇ»ÅÍ´Â ¿©·¯ ¾ÆÆÄÄ¡¸¦ ½ÇÇàÇÒ ¼ö ÀÖ´Ù. 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À¯´Ð½º ½Ã°£Àº ÃÊ´ÜÀ§ÀÌ°í, Ä«¿îÅÍ´Â ÀÏ Ãʵ¿¾È 65536±îÁö Áõ°¡ÇÑ´Ù. <em>( ip_addr, pid, time_stamp, counter )</em> ¹À½Àº ¾î¶² httpd ÇÁ·Î¼¼½º¿¡¼ ÀÏ Ãʵ¿¾È 65536 ¿äûÀ» ±¸º°ÇÒ ¼ö ÀÖ´Ù. ±×·¯³ª Ä«¿îÅÍ´Â pid¸¦ Àç»ç¿ëÇÏ´Â ¹®Á¦¸¦ ÇØ°áÇØ¾ß ÇÑ´Ù.</p> <p>httpd ÀÚ½ÄÀ» ¸¸µé¸é Ä«¿îÅÍ´Â ( ÇöÀç ¹Ð¸®ÃÊ ³ª´©±â 10 )À» 65536À¸·Î ³ª´« ³ª¸ÓÁö°¡ µÈ´Ù. (¸î¸î ½Ã½ºÅÛÀÇ ¹Ð¸®ÃÊ ½Ã°£¿¡¼ ÇÏÀ§ ºñÆ®°¡ ÀÏÄ¡ÇÏÁö¾Ê´Â ¹®Á¦¶§¹®¿¡ ÀÌ °ø½ÄÀ» ¸¸µé¾ú´Ù.) À¯ÀÏÇÑ ½Äº°ÀÚ¸¦ ¸¸µé¶§ »ç¿ëÇÏ´Â ½Ã°£Àº À¥¼¹ö°¡ ¿äûÀ» ¹ÞÀº ½Ã°£ÀÌ´Ù. Ä«¿îÅÍ´Â ½Äº°ÀÚ¸¦ ¸¸µé¶§¸¶´Ù Áõ°¡ÇÑ´Ù (±×¸®°í ´Ù½Ã ½ÃÀÛÇÑ´Ù).</p> <p>Ä¿³ÎÀº ÇÁ·Î¼¼½º¸¦ Æ÷Å©ÇÒ¶§(fork) °¢ ÇÁ·Î¼¼½º¿¡ pid¸¦ ÇÒ´çÇÏ°í, pid´Â ´Ù½Ã ½ÃÀÛÇÒ ¼ö ÀÖ´Ù. (pid´Â ¸¹Àº À¯´Ð½º¿¡¼ 16ºñÆ®ÀÌÁö¸¸, ÃÖ±Ù ½Ã½ºÅÛÀº 32ºñÆ®·Î È®ÀåÇß´Ù.) ±×·¡¼ ½Ã°£ÀÌ Áö³ª¸é °°Àº pid¸¦ Àç»ç¿ëÇÒ ¼ö ÀÖ´Ù. ±×·¯³ª °°Àº ½Ã°£¿¡ pid¸¦ Àç»ç¿ëÇÏÁö ¾Ê´Â´Ù¸é À§ÀÇ ¹À½Àº À¯ÀÏÇÏ´Ù. Áï, ¿ì¸®´Â ½Ã½ºÅÛÀÌ ÀÏÃʵ¿¾È ÇÁ·Î¼¼½º¸¦ 65536°³ ÀÌ»ó ¸¸µéÁö ¾Ê´Â´Ù°í °¡Á¤ÇÑ´Ù. (¾î¶² À¯´Ð½º¿¡¼´Â 32768°³ ÀÌ»ó ÇÁ·Î¼¼½º¸¦ ¸¸µé¸é pid Àç»ç¿ë ¹®Á¦°¡ ¹ß»ýÇÒ ¼ö ÀÖÁö¸¸, ÀÌ°ÍÁ¶Â÷µµ ÀϾ °Í°°Áö ¾Ê´Ù.)</p> <p>½Ã°£ÀÌ ¾î¶² ÀÌÀ¯¿¡¼°Ç ¹Ýº¹µÈ´Ù°í °¡Á¤Çغ¸ÀÚ. Áï, ½Ã½ºÅÛ ½Ã°è°¡ ²¿¿©¼ ½Ã°£ÀÌ °ú°Å·Î µ¹¾Æ°¡´Â (ȤÀº ½Ã°è°¡ ³Ê¹« ¾Õ¼°¡¼ ¿Ã¹Ù·Î Àç¼³Á¤ÇÑÈÄ ¹Ì·¡¿¡ °°Àº ½Ã°£ÀÌ µÇ´Â) °æ¿ì´Ù. ÀÌ °æ¿ì pid¿Í ½Ã°£À» ¸ðµÎ Àç»ç¿ëÇÒ ¼ö ÀÖ´Ù. Ä«¿îÅÍÀÇ ÃʱâÈ °ø½ÄÀº ÀÌ ¹®Á¦¸¦ ÇØ°áÇÏ·Á°í °í¾ÈµÇ¾ú´Ù. ¿ì¸®´Â ½ÇÁ¦ ¹«ÀÛÀ§ ¼ýÀÚ·Î Ä«¿îÅ͸¦ ÃʱâÈÇÏ±æ ¿øÇÏÁö¸¸, ¸¹Àº ½Ã½ºÅÛ¿¡¼ ÀÌ·± ¼ö¸¦ ½±°Ô ¾òÀ» ¼ö ¾ø´Ù. (<em>¿¹¸¦ µé¾î</em>, seed°¡ ÇÊ¿äÇϱ⶧¹®¿¡ rand()¸¦ »ç¿ëÇÒ ¼ö ¾ø°í, ½Ã°£Àº ÃÖ¼ÒÇÑ ÀÏÃÊ ´ÜÀ§À̱⶧¹®¿¡ ½Ã°£À¸·Î seed·Î »ç¿ëÇÒ ¼ö ¾ø´Ù.) Áï ¿Ïº®ÇÑ ÇØ°áÃ¥ÀÌ ¾ø´Ù.</p> <p>±×·³ ÀÌ ¹æ¹ýÀº ¾ó¸¶³ª ±¦ÂúÀ»±î? ÄÄÇ»ÅÍÁß Çϳª°¡ ¿äûÀ» ÃÊ´ç ÃÖ´ë 500°³ (½Ã½ºÅÛÀº ÀϹÝÀûÀ¸·Î Á¤ÀûÀÎ ÆÄÀÏÀ» Àü¼ÛÇÏ´Â °Í ÀÌ»óÀÇ ÀÛ¾÷À» ÇϹǷΠÀÌ ±ÛÀ» ¾²´Â ½ÃÁ¡¿¡¼ »ó´çÈ÷ ³ôÀº °ªÀÌ´Ù.) ¼ºñ½ºÇÑ´Ù°í °¡Á¤ÇÏÀÚ. µ¿½Ã¿¡ ¾ó¸¶¸¸ÅÀÇ Å¬¶óÀ̾ðÆ®¸¦ ó¸®Çϴ°¡¿¡ µû¶ó ÀÚ½ÄÀÇ °³¼ö°¡ °áÁ¤µÈ´Ù. ±×·¯³ª ¿ì¸®´Â ºñ°üÀûÀ¸·Î ÇÑ ÀÚ½ÄÀÌ ¿äûÀ» ÃÊ´ç 500°³ ó¸®ÇÒ ¼ö ÀÖ´Ù°í °¡Á¤ÇÑ´Ù. 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ÀÌ°ÍÀº ¸Å¿ì ºñ°üÀûÀÎ °¡Á¤À̸ç, ½ÇÁ¦ ÀÌ·² °æ¿ì´Â »ó´çÈ÷ ´õ ³·´Ù. ±×·¡µµ ½Ã½ºÅÛ¿¡¼ ÀÌ·± ÀÏÀÌ ¹ß»ýÇÒ °Í °°´Ù¸é (¼Ò½º¸¦ ¼öÁ¤ÇÏ¿©) Ä«¿îÅ͸¦ 32ºñÆ®·Î ¸¸µé¾î¶ó.</p> <p>¼¶¸ÓŸÀÓ¶§¹®¿¡ ½Ã°è°¡ "µÚ·Î °¡´Â" °ÍÀ» °ÆÁ¤ÇÒÁöµµ ¸ð¸¥´Ù. ±×·¯³ª ¿©±â¼ »ç¿ëÇÏ´Â ½Ã°£Àº ±¹Á¦ Ç¥ÁؽÃ(UTC), Áï ½Ã°£ÀÌ "Ç×»ó" ¾ÕÀ¸·Î °¡¹Ç·Î ¹®Á¦°¡ ¾ø´Ù. x86±â¹Ý À¯´Ð½º¿¡¼´Â ÀûÀýÇÑ ¼³Á¤ÀÌ ÇÊ¿äÇÏ´Ù. ¸ÞÀκ¸µå ½Ã°è°¡ UTC¸¦ »ç¿ëÇϵµ·Ï ¼³Á¤ÇØ¾ß ÇÑ´Ù. ±×·¯³ª NTP¸¦ »ç¿ëÇÑ´Ù¸é Àç½ÃÀÛÈÄ Á¶±Ý Áö³ª¸é UTC ½Ã°£¿¡ ¿Ã¹Ù·Î ¸ÂÃá´Ù.</p> <p>ȯ°æº¯¼ö <code>UNIQUE_ID</code>´Â MIME base64 ÀÎÄÚµù°ú ºñ½ÁÇÑ ¹æ¹ýÀ¸·Î 112ºñÆ® (32ºñÆ® IP ÁÖ¼Ò, 32ºñÆ® pid, 32ºñÆ® ½Ã°£, 16ºñÆ® Ä«¿îÅÍ) ¹À½À» ¾ËÆĺª <code>[A-Za-z0-9@-]</code>·Î Ç¥ÇöÇÑ´Ù. ½ÇÁ¦ MIME base64 ¾ËÆĺªÀº <code>[A-Za-z0-9+/]</code>ÀÌÁö¸¸ <code>+</code>¿Í <code>/</code>´Â URL¿¡¼ Ưº°ÇÑ Àǹ̷Π»ç¿ëÇϹǷΠÁ¦¿ÜÇß´Ù. ¸ðµç °ªÀ» ³×Æ®¿÷ ¹ÙÀÌÆ®¼ø¼·Î ÀÎÄÚµùÇϱ⶧¹®¿¡ ´Ù¸¥ ¹ÙÀÌÆ®¼ø¼¸¦ »ç¿ëÇÏ´Â ¾ÆÅ°ÅØÃÄ°£¿¡ °ªÀÌ °°´Ù. ½ÇÁ¦ ÀÎÄÚµù ¼ø¼´Â ½Ã°£, IP ÁÖ¼Ò, pid, Ä«¿îÅÍ ¼ø¼ÀÌ´Ù. ÀÌ ¼ø¼¿¡´Â ¾î¶² ¸ñÀûÀÌ ÀÖÁö¸¸, ÇÁ·Î±×·¥Àº ÀÎÄÚµù ¼ø¼¿¡ ÀÇÁ¸ÇÏ¿© °ªµéÀ» ºÐ¼®ÇÏ¸é ¾ÈµÊÀ» °Á¶ÇÑ´Ù. ÇÁ·Î±×·¥Àº ÀÎÄÚµùµÈ <code>UNIQUE_ID</code> Àüü¸¦ ÇÑ ´ÜÀ§·Î »ý°¢ÇÏ°í, ´Ù¸¥ <code>UNIQUE_ID</code>¿Í µ¿ÀÏÇÑÁö¸¸ ºñ±³ÇÒ ¼ö ÀÖ´Ù.</p> <p>¼ø¼´Â ¾ÕÀ¸·Î ±âÁ¸ÀÇ <code>UNIQUE_ID</code> µ¥ÀÌÅͺ£À̽º¿Í Ãæµ¹À» ¿°·ÁÇÏÁö¾Ê°í ÀÎÄÚµùÀ» º¯°æÇÒ ¼ö ÀÖµµ·Ï °í¾ÈÇß´Ù. »õ·Î¿î ÀÎÄÚµùÀº ù Ç׸ñÀ¸·Î ½Ã°£À» »ç¿ëÇϰųª, °°Àº ¾ËÆĺª°ú ºñÆ® ±æÀ̸¦ »ç¿ëÇÒ ¼öµµ ÀÖ´Ù. ½Ã°£ÀÌ ±âº»ÀûÀ¸·Î Áõ°¡ÇÏ´Â °ªÀ̹ǷΠŬ·¯½ºÅÍ¿¡ ÀÖ´Â ¸ðµç ÄÄÇ»ÅÍ°¡ ¿äû ¼ºñ½º¸¦ Áß´ÜÇÏ°í ÀÌÀü ÀÎÄÚµù Çü½ÄÀ» ±×¸¸ »ç¿ëÇϱâÀ§ÇØ <em>±âÁØ ÃÊ(flag second)</em>¸¸À¸·Î ÃæºÐÇÏ´Ù. ÀÌÈÄ ¿äûÀ» Àç°ÔÇÏ°í »õ·Î¿î ÀÎÄÚµùÀ» ½ÃÀÛÇÒ ¼ö ÀÖ´Ù.</p> <p>¿ì¸®´Â ÀÌ ¹æ¹ýÀÌ ÀÌ ¹®Á¦¿¡ ´ëÇÏ¿© »ó´ëÀûÀ¸·Î Æ÷Æð¡´ÉÇÑ ÇØ°áÃ¥À̶ó°í ¹Ï´Â´Ù. ÀÌ ¹æ¹ýÀº Windows NT¿Í °°Àº ¸ÖƼ¾²·¹µå ½Ã½ºÅÛÀ¸·Î È®ÀåÇÒ ¼ö ÀÖ°í, ¾ÕÀ¸·Î ¿ëµµ¿¡ µû¶ó È®ÀåÇÒ ¼ö ÀÖ´Ù. ¹Ì·¡¿¡ ÇÊ¿äÇѸ¸Å ´õ ±ä ½Äº°ÀÚ¸¦ ¸¸µé ¼ö Àֱ⶧¹®¿¡ »ý¼ºÇÑ ½Äº°ÀÚ´Â ±âº»ÀûÀ¸·Î ¿µ¿øÇÑ ¼ö¸íÀ» °¡Áø´Ù. ±âº»ÀûÀ¸·Î Ŭ·¯½ºÅÍÀÇ ÄÄÇ»ÅÍµé »çÀÌ¿¡ Åë½ÅÀÌ ÇÊ¿ä¾ø°í (ºÎÇÏ°¡ ÀÛÀº NTP µ¿±â¸¸ ÇÊ¿äÇÏ´Ù), httpd ÇÁ·Î¼¼½º »çÀÌ¿¡ Åë½Åµµ ÇÊ¿ä¾ø´Ù (Ä¿³ÎÀÌ ºÎ¿©ÇÏ´Â pid°ªÀÌ ¾Ï¹¬ÀûÀÎ Åë½ÅÀÌ´Ù). ¸Å¿ì ƯÀÌÇÑ »óȲÀ̶ó¸é ÀνÄÀÚ Å©±â¸¦ ÁÙÀÏ ¼ö ÀÖÁö¸¸ ´õ ¸¹Àº Á¤º¸¸¦ °¡Á¤ÇØ¾ß ÇÑ´Ù. (¿¹¸¦ µé¾î, ¾î¶² »çÀÌÆ®¿¡¼ 32ºñÆ® IP ÁÖ¼Ò ±¸ºÐÀº ºÒÇÊ¿äÇÏ°Ô Å©Áö¸¸, À̸¦ ÁÙÀÌ´Â ¹æ¹ýÀº »óȲ¿¡ µû¶ó ´Ù¸£´Ù.) </p> </div> </div> <div class="bottomlang"> <p><span>°¡´ÉÇÑ ¾ð¾î: </span><a href="../en/mod/mod_unique_id.html" hreflang="en" rel="alternate" title="English"> en </a> | <a href="../ja/mod/mod_unique_id.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> | <a href="../ko/mod/mod_unique_id.html" title="Korean"> ko </a></p> </div><div class="top"><a href="#page-header"><img src="../images/up.gif" alt="top" /></a></div><div class="section"><h2><a id="comments_section" name="comments_section">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed again by our moderators if they are either implemented or considered invalid/off-topic. 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