Subject: VIA C3 AES speed with IPsec.
 From: Kenji Yabuuchi <yab@astem.or.jp>
 To: wakakusa@openbsd.ics.nara-wu.ac.jp
 Date: Wed, 18 Aug 2004 14:25:23 +0900
 Reply-To: wakakusa@openbsd.ics.nara-wu.ac.jp

   薮内@京都高度技術研究所ã¨ç”³ã—ã¾ã™ã€‚

   AESã®ãƒãƒ¼ãƒ‰ã‚¦ã‚¨ã‚¢æš—å·åŒ–ãŒã§ãã‚‹VIA C3(Nehemiah)を使ã†ã¨ã€IPsec
 ã§ã©ã‚Œãらã„ã®é€Ÿåº¦ãŒå‡ºã‚‹ã ã‚ã†ã¨ã„ã†è©±ã§ã™ã€‚VIA C3ã®ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢
 æš—å·åŒ–機能をã™ãã«ä½¿ãˆã‚‹ã®ã¯OpenBSDã ã‘ã®ã‚ˆã†ãªã®ã§ã€æ—¥é ƒã¯
 FreeBSDを使ã£ã¦ã„ã‚‹ã®ã§ã™ãŒã€ã¡ã‚‡ã£ã¨æµ®æ°—ã—ã¦ã¿ã¾ã—ãŸã€‚

 çµæžœã¯ï¼š

   1. ãã®ã¾ã¾ã ã¨ã€ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ãƒ‰ãƒ©ã‚¤ãƒãŒä½¿ã‚ã‚Œã¦ã—ã¾ã†
     IPsecã§ã¯ã€é€šå¸¸ã€æš—å·åŒ–ã¨èªè¨¼ã‚’è¡Œã„ã¾ã™ãŒã€OpenBSDã§ã¯ã€ãã®
     辺ãŒã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ãƒ‡ãƒã‚¤ã‚¹ã«ãªã£ã¦ã„ã¦ã€æš—å·åŒ–ã¨èªè¨¼ã‚’1ã¤ã®ãƒ‡
     ãƒã‚¤ã‚¹ã§ã¾ã‹ãªãŠã†ã¨ã™ã‚‹ã®ã§ã€æš—å·åŒ–ã®ã¿ã—ã‹ã§ããªã„ã€C3ã®ãƒ‰
     ライãƒã¯ä½¿ã‚ã‚Œã¾ã›ã‚“

   2. èªè¨¼ã«ã¤ã„ã¦ã¯ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ãƒ‰ãƒ©ã‚¤ãƒã‚’使ã†ã‚ˆã†ã«ã€ã‚½ãƒ•ãƒˆã‚¦ã‚§
     ã‚¢ã®ãƒ‡ãƒã‚¤ã‚¹ã‹ã‚‰ã‚³ãƒ¼ãƒ‰ã‚’ã¡ãŽã£ã¦ãã¦ã€C3ã®ãƒ‡ãƒã‚¤ã‚¹ã«çµ„ã¿ã“ã‚“
     ã§æ¸¬ã‚‹ã¨ã€

         C3/1.2G <-> C3/1.2G    42Mbps

 ã§ã—ãŸã€‚

   ã“ã‚Œã¯ã€åŒæ§˜ã®è¨­å®šã€ç’°å¢ƒã§ã€

         C3/1.2G <-> C3/1.2G    29Mbps  (ソフトウェアデãƒã‚¤ã‚¹)
         C3/1.2G <-> P4/2.4G    46Mbps  (ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢æš—å·åŒ–)
         P4/2.4G <-> P4/2.4G    74Mbps

 ã¨ã„ã†ã“ã¨ã§ã€ã‹ãªã‚Šå¾’労感ã«ã•ã„ãªã¾ã‚Œã‚‹çµæžœã¨ãªã‚Šã¾ã—㟠^_^;;

   大ã—ã¦é€Ÿããªã‚‹ã‚ã‘ã§ã‚‚ãªã„ã§ã™ãŒã€ãƒ‘ッãƒãŒæ¬²ã—ã„ã¨ã„ã†æ–¹ãŒã„らã£
 ã—ゃれã°å·®ã—上ã’ã¾ã™ã€‚ã‚‚ã£ã¨ã€åŠ¹æžœãŒå‡ºã‚‹ãªã‚‰ã€å–œã‚“ã§å…¬è¡¨ã™ã‚‹ã®ã§
 ã™ãŒã€C3自体ã€ä½¿ã£ã¦ã„る人ãŒã»ã¨ã‚“ã©ã„ãªã„ã§ã—ょã†ã—ã€ã„ã¾ã„ã¡ã‚„
 ã‚‹æ°—ãŒã€ã€ã€

 ---
 (財)京都高度技術研究所 薮内å¥äºŒ (Yabuuchi Kenji)
                         yab@astem.or.jp



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