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Electronic Journal
ä»Šæ—¥ã‹ã‚‰ã¯ã˜ã¾ã‚‹æ–°ã—ã„ãƒ†ãƒ¼ãƒžã¯ã€æ¬¡ã®é€šã‚Šã§ã™ã€‚æ˜¨æ—¥ã¾ã§ã® é€šä¿¡æˆ¦äº‰ã¨ã‚‚é–¢ä¿‚ã®ã‚ã‚‹ãƒ†ãƒ¼ãƒžã§ã™ã€‚ â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€• â‰ªæ—¥æœ¬ã«ãŠã‘ã‚‹ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã®æ´å²â‰« â€•â€•æ—¥æœ¬ã§ã¯ã€ã ã‚ŒãŒã€ã„ã¤ã€ã©ã®ã‚ˆã†ã«ã—ã¦ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆ ã‚’ã¯ã˜ã‚ãŸã‹ã€‚æ—¥æœ¬ã®ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆæŠ€è¡“ã¯ã€ä¸–ç•Œã«ãŠã„ã¦ã€ ã©ã®ç¨‹åº¦ã®ãƒ¬ãƒ™ãƒ«ã«é”ã—ã¦ã„ã‚‹ã‹ã‚’æŽ¢ã‚‹â€•â€• â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€• ï¼¥ï¼ªã§ã¯ã€ï¼’ï¼ï¼ï¼•å¹´ï¼˜æœˆï¼’ï¼“æ—¥ã‹ã‚‰ã€ï¼”ï¼–å›žã«ã‚ãŸã‚Šã€Œã‚¤ãƒ³ ã‚¿ãƒ¼ãƒãƒƒãƒˆã®æ´å²ã€ã‚’ãƒ¡ãƒ«ãƒžã‚¬ã¨ãƒ–ãƒã‚°ã§åŒæ™‚é€£è¼‰ã—ã¾ã—ãŸãŒã€ åœ°å‘³ãªãƒ†ãƒ¼ãƒžã«ã‚‚ã‹ã‹ã‚ã‚‰ãšã€ãƒ–ãƒã‚°ã§ã¯ç¾åœ¨ã§ã‚‚æ¯Žæ—¥å¤šãã®æ–¹ ã‹ã‚‰ã®ã‚¢ã‚¯ã‚»ã‚¹ãŒã‚ã‚‹ã®ã§ã™ã€‚é€£è¼‰ãƒ‡ãƒ¼ã‚¿ã‚’æ¬¡ã«ç¤ºã—ã¦ãŠãã¾ã™ ã®ã§ã€ãƒ–ãƒã‚°ã‚’ã‚ã‚ã›ã¦èªã‚“ã§ã„ãŸã ããŸã„ã¨æ€ã„ã¾ã™ã€‚ â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€•â€• â‰ªã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã®æ´å²â‰« ï¼’ï¼ï¼ï¼•å¹´ã€€
y_uuki 2018/05/26
internet
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2. æ³¨æ„æ›¸ã nï® ã“ã®è³‡æ–™ï¦¾ã¯2014å¹´ï¦Ž9â½‰æœˆ14â½‡æ—¥ã«é–‹å‚¬ã•ã‚ŒãŸã€Œæƒ…å ±ç§‘å¦è‹¥ï¥´â¼¿æ‰‹ã®ä¼š2014ã€ã«ãŠã‘ã‚‹ è‹¥ï¥´â¼¿æ‰‹ç‰¹åˆ¥è¬›æ¼”ã§ã®ç™ºè¡¨ã«ä½¿â½¤ç”¨ã—ãŸè³‡æ–™ï¦¾ã§ã™ nï® èª¤è¨˜ã®ä¿®æ£ã‚„è£œâ¾œè¶³ã®è¿½åŠ ã€å†…å®¹ã®å‰Šé™¤ã€é †åºã®å¤‰æ›´ï¤ãªã©ã€ç™ºè¡¨æ™‚ã®è³‡æ–™ï¦¾ã¨ç•°ï¥¢ãª 2014 (c) INTERNET MULTIFEED CO. 2 ã‚‹ã¨ã“ã‚ãŒã‚ã‚Šã¾ã™ nï® ã“ã®è³‡æ–™ï¦¾ã¯åˆå¦è€…å‘ã‘ã«ã‚ã‹ã‚Šã‚„ã™ãèª¬æ˜Žã™ã‚‹ã“ã¨ã‚’â½¬ç›®çš„ã¨ã—ãŸã‚‚ã®ã§ã‚ã‚Šã€ åŽ³å¯†ã«ã¯æ£ã—ããªã„å†…å®¹ãŒå«ã¾ã‚Œã¦ã„ã‚‹å¯èƒ½æ€§ãŒã‚ã‚Šã¾ã™ nï® ã“ã®è³‡æ–™ï¦¾ã¯å…¨ã¦å…¬é–‹ã•ã‚Œã¦ã„ã‚‹æƒ…å ±ã«åŸºã¥ã„ã¦ä½œæˆã•ã‚Œã¦ã„ã¾ã™ nï® ã“ã®è³‡æ–™ï¦¾ã«å«ã¾ã‚Œã‚‹ãƒ‡ãƒ¼ã‚¿ã¯ã€2014å¹´ï¦Ž9â½‰æœˆ13â½‡æ—¥æ™‚ç‚¹ã«ãŠã„ã¦å–å¾—å¯èƒ½ã§ã‚ã£ãŸ ã‚‚ã®ã‚’åˆ©ï§â½¤ç”¨ã—ã¦ã„ã¾ã™ nï® ã“ã®è³‡æ–™ï¦¾ã®ä¸ã§å¼•â½¤ç”¨ã—ã¦ã„ã‚‹ç”»åƒã®è‘—ä½œæ¨©ã¯å…ƒã®è‘—ä½œè€…ã«å¸°å±žã—ã¾ã™ nï® ã“ã®è³‡æ–™ï¦¾ã‚’åˆ©ï§â½¤ç”¨ã™ã‚‹ã“ã¨ã«ã‚ˆã£ã¦ç™ºâ½£ç”Ÿã—ãŸã€ã„ã‹ãªã‚‹æå®³ã‚„
y_uuki 2018/01/24
internet
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wakamonog6 ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã®è£å´ã®ä»•çµ„ã¿
2. è‡ªå·±ç´¹ä»‹ â€¢åœŸå±‹ å¤ªäºŒï¼ˆã¤ã¡ã‚„ ãŸã„ã˜ï¼‰ â€“28æ³ â€“Twitterï¼š@taijijiji / Facebookï¼šæœ¬å â€¢ãŠä»•äº‹ â€“ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ â€“ISPåŸºå¹¹ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®è¨è¨ˆãƒ»é‹ç”¨ â€¢ã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£æ´»å‹• â€“wakamonog, JANOG, Internet weekãªã©ã§ ãŸã¾ã«æ´»å‹• 2014/9/29 2 wakamonog6 3. ãƒ¦ãƒ¼ã‚¶ã‹ã‚‰WEBã‚³ãƒ³ãƒ†ãƒ³ãƒ„ã¾ã§ã®é“ã®ã‚Š 2014/9/29 wakamonog6 3 ã‚¢ã‚¯ã‚»ã‚¹ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ ISP ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ ãƒ–ãƒ©ã‚¦ã‚¶ã§ www.abc.com ã«ã‚¢ã‚¯ã‚»ã‚¹ ã‚³ãƒ³ãƒ†ãƒ³ãƒ„äº‹æ¥è€… ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ www.abc.com IPã‚¢ãƒ‰ãƒ¬ã‚¹:10.10.10.1 ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆ DNSã‚µãƒ¼ãƒã§åå‰è§£æ±º www.abc.com â‡”10.10.10.1
y_uuki 2018/01/24
internet
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RFC 1958: Architectural Principles of the Internet
This RFC was published on the Internet Architecture Board (IAB) stream. This RFC is not endorsed by the IETF and has no formal standing in the IETF standards process. Network Working Group B. Carpenter, Editor Request for Comments: 1958 IAB Category: Informational June 1996 Architectural Principles of the Internet Status of This Memo This memo provides information for the Internet community. This
y_uuki 2017/09/06
RFC

internet
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2017å¹´8æœˆ25æ—¥ã®å¤§è¦æ¨¡ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆéšœå®³:Geekãªãºãƒ¼ã˜
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y_uuki 2017/08/29
BGP

Internet
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[PDF] 08/25ã®é€šä¿¡éšœå®³æ¦‚èª¬
08/25ã®é€šä¿¡éšœå®³æ¦‚èª¬ Matsuzaki â€˜mazâ€™ Yoshinobu <maz@iij.ad.jp> maz@iij.ad.jp 1 è¦³æ¸¬ã•ã‚Œã¦ã„ã‚‹æ¦‚è¦ â€¢ 2017/08/25 12:22JSTé ƒ â€¢ AS15169ãŒä»–ASã®IPv4çµŒè·¯ã‚’ãƒˆãƒ©ãƒ³ã‚¸ãƒƒãƒˆé–‹å§‹ â€¢ â½‡é ƒæµé€šã—ãªã„ç´°ã‹ã„çµŒè·¯ãŒâ¼¤é‡ã«åºƒå ± â€¢ ã“ã‚Œã«ã‚ˆã‚Šãƒˆãƒ©ãƒ’ãƒƒã‚¯ã®å¸ã„è¾¼ã¿ãŒç™ºâ½£ â€¢ å›½å†…ã®å„ASã§é€šä¿¡éšœå®³ã‚’æ¤œçŸ¥ â€¢ 2017/08/25 12:33JSTé ƒ â€¢ AS15169ãŒãƒˆãƒ©ãƒ³ã‚¸ãƒƒãƒˆã—ã¦ã„ãŸçµŒè·¯ã‚’å‰Šé™¤ maz@iij.ad.jp 2 è¦³æ¸¬ã•ã‚ŒãŸå•é¡Œã®BGPçµŒè·¯æ¦‚è¦ â€¢ çµŒè·¯æ•° â€¢ å…¨ä½“ã§ç´„11ä¸‡çµŒè·¯ (â½‡æœ¬åˆ†ãŒç´„25000çµŒè·¯) â€¢ /10ã‹ã‚‰/24ã¾ã§å¹…åºƒã„çµŒè·¯(åŠæ•°ç¨‹åº¦ãŒ/24) â€¢ é€šå¸¸æµã‚Œã¦ã„ãªã„ç´°ã‹ã„çµŒè·¯ãŒå¤šã‹ã£ãŸ â€¢ AS PATHã¯æ¦‚ã â€œ701 15169 <æœ¬æ¥ã®AS PATH>â€ â€¢ åºƒå ±å…ƒA
y_uuki 2017/08/28
BGP

internet
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ãƒ‘ãƒ–ãƒªãƒƒã‚¯ãƒ‡ãƒ¼ã‚¿ã‹ã‚‰çµŒè·¯ãƒªãƒ¼ã‚¯ã‚’æŽ¢ã‚‹ - LGTM
2017/08/25 12:30 (JST) ã”ã‚ã€æ—¥æœ¬å›½å†…ã§å¤§è¦æ¨¡ãªé€šä¿¡éšœå®³ãŒè¦³æ¸¬ã•ã‚Œã¾ã—ãŸã€‚ é€šä¿¡éšœå®³ã®å†…å®¹ã«ã¤ã„ã¦ã€ã¨ã¦ã‚‚è©³ç´°ã«ã¾ã¨ã‚ã‚‰ã‚Œã¦ã„ã‚‹è¨˜äº‹ãŒã‚ã‚Šã¾ã™ã€‚ d.hatena.ne.jp éšœå®³ã®å†…å®¹ã¯ã•ã¦ãŠãã€ã“ã®ã‚¨ãƒ³ãƒˆãƒªã§ã¯éšœå®³ã®ã—ãã¿ã«ã¤ã„ã¦æŽ¢ã£ã¦ã¿ã‚ˆã†ã¨æ€ã„ã¾ã™ã€‚ MRT Dump ã‹ã‚‰è¦‹ã‚‹BGP Update æ•°ã®æ€¥å¢— MRT Dump ã‚’ã‚‚ã¨ã«ã€è©²å½“æ™‚åˆ»ã®BGP Update æ•°(æ¯Žåˆ†) ã‚’ãƒãƒ¼ãƒãƒ£ãƒ¼ãƒˆã«ã—ã¾ã—ãŸã€‚ æ¨ªè»¸: æ™‚åˆ»(UTC) ç¸¦è»¸: BGP Update ã•ã‚ŒãŸã®ã¹Prefix æ•° æ£: NLRI è² : Withdraw å˜ç´”ã«BGP Update ã®å›žæ•°ã‚’ã‚«ã‚¦ãƒ³ãƒˆã—ã¦ã„ã‚‹ãŸã‚ã€Path Attribute ã ã‘ã®å¤‰æ›´ã ã£ãŸã‚Šã€NLRI â†’ Withdraw â†’ åŒã˜NLRI ã®å ´åˆã§ã‚‚ ã™ã¹ã¦1å›žã¨æ•°ãˆã¦ã„ã¾ã™ã€‚ æ™®æ®µã¨æ¯”ã¹ã‚‹ã¨Update æ•°ãŒæ¿€å¢—ã—ã¦
y_uuki 2017/08/28
BGP

internet
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BGP leak causing Internet outages in Japan and beyond. | BGPmon
BGP leak causing Internet outages in Japan and beyond. Posted by Andree Toonk - August 26, 2017 - BGP instability - No Comments Yesterday some Internet users would have seen issues with their Internet connectivity, experiencing slowness or parts of the Internet as unreachable. This incident hit users in Japan particularly hard and it caused the Internal Affairs and Communications Ministry of Japan
y_uuki 2017/08/27
BGP

internet
ãƒªãƒ³ã‚¯
ï¼»ç¶šå ±ï¼½OCNã®é€šä¿¡éšœå®³ã€ç±³ã‚°ãƒ¼ã‚°ãƒ«ã«ã‚ˆã‚‹èª¤ã£ãŸçµŒè·¯æƒ…å ±ã®å¤§é‡é€ä¿¡ãŒåŽŸå› ã‹
2017å¹´8æœˆ25æ—¥ã€NTTã‚³ãƒŸãƒ¥ãƒ‹ã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚ºï¼ˆNTTã‚³ãƒ ï¼‰ã®ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆæŽ¥ç¶šã‚µãƒ¼ãƒ“ã‚¹ã€ŒOCNã€ã§ç™ºç”Ÿã—ãŸé€šä¿¡éšœå®³ã«é–¢ã—ã¦ã€ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆé€šä¿¡é–¢é€£ã®è˜è€…ã¯èª¤ã£ãŸçµŒè·¯æƒ…å ±ãŒå¤§é‡ã«æµã‚ŒãŸã“ã¨ãŒåŽŸå› ã§ã¯ãªã„ã‹ã¨ã®è¦‹æ–¹ã‚’ç¤ºã—ãŸã€‚ã“ã“ã§ã„ã†çµŒè·¯æƒ…å ±ã¯ãƒ«ãƒ¼ã‚¿ãƒ¼ãŒBGPï¼ˆBorder Gateway Protocolï¼‰ã¨ã„ã†ãƒ—ãƒãƒˆã‚³ãƒ«ã‚’ä½¿ã£ã¦äº¤æ›ã™ã‚‹ã‚‚ã®ã ã€‚ æ—¥æœ¬ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚¤ãƒ³ãƒ•ã‚©ãƒ¡ãƒ¼ã‚·ãƒ§ãƒ³ã‚»ãƒ³ã‚¿ãƒ¼ï¼ˆJPNICï¼‰ã®å²¡ç”°é›…ä¹‹æ°ã¯ã€NTTã‚³ãƒ ã¯è¤‡æ•°ã®çµ„ç¹”ã¨å¯¾ç‰ãªé–¢ä¿‚ã§ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®çµŒè·¯æƒ…å ±ã‚’ã‚„ã‚Šå–ã‚Šã—ã¦ã„ã‚‹ãŒï¼ˆã“ã‚Œã‚’ã€Œãƒ”ã‚¢ãƒªãƒ³ã‚°ã€ã¨ã„ã†ï¼‰ã€ãã®ã†ã¡ã®ã‚ã‚‹çµ„ç¹”ãŒèª¤ã£ãŸçµŒè·¯æƒ…å ±ã‚’å¤§é‡ã«æµã—ãŸã®ã§ã¯ãªã„ã‹ã¨è©±ã™ã€‚ãã®çµæžœã€ã€ŒNTTã‚³ãƒ ã‚’ä»‹ã—ã¦ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã«æŽ¥ç¶šã—ã¦ã„ãŸä¼æ¥ã®ãƒ«ãƒ¼ã‚¿ãƒ¼ãŒã€å¤§é‡ã®çµŒè·¯æƒ…å ±ã‚’å—ã‘å–ã‚Šé«˜ã„è² è·ãŒã‹ã‹ã‚Šã€ä¸€éƒ¨ã¯ãƒ•ãƒªãƒ¼ã‚ºã—ãŸã‚ˆã†ãªçŠ¶æ…‹ã«é™¥ã‚‹ãªã©ã—ã¦é€šä¿¡éšœå®³ã«ã¤ãªãŒã£ãŸã®ã§ã¯ãªã„ã‹ã€ï¼ˆå²¡
y_uuki 2017/08/25
internet

BGP
ãƒªãƒ³ã‚¯
Cisco Crosswork Cloud
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y_uuki 2017/08/25
BGP

internet
ãƒªãƒ³ã‚¯
Internet Routing and Traffic Engineering | Amazon Web Services
AWS Architecture Blog Internet Routing and Traffic Engineering Internet routing today is handled through the use of a routing protocol known as BGP (Border Gateway Protocol). Individual networks on the Internet are represented as an autonomous system (AS). An autonomous system has a globally unique autonomous system number (ASN) which is allocated by a Regional Internet Registry (RIR), who also ha
y_uuki 2017/08/12
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internet

Network
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