{"id":1044,"date":"2012-10-10T18:26:41","date_gmt":"2012-10-10T09:26:41","guid":{"rendered":"http:\/\/auctionpro.co.kr\/?p=1044"},"modified":"2012-11-05T06:34:40","modified_gmt":"2012-11-04T21:34:40","slug":"google-dns","status":"publish","type":"post","link":"https:\/\/www.auctionpro.co.kr\/?p=1044","title":{"rendered":"Google DNS"},"content":{"rendered":"<p><strong style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\"><span style=\"color: #6b9900;\">Google DNS\uc758 \uc7a5\uc810<\/span><\/strong><\/p>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\"><br \/>\n<\/span><\/div>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\">\uc544\ub798 \uadf8\ub9bc\uc740 \ube14\ub85c\uadf8(<a href=\"http:\/\/googlesystem.blogspot.com\/2009\/12\/google-dns.html\" target=\"_blank\"><span style=\"color: #0900ff;\">http:\/\/googlesystem.blogspot.com\/2009\/12\/google-dns.html<\/span><\/a>)\uc5d0\uc11c \uac00\uc9c0\uace0 \uc628 \ud14c\uc2a4\ud2b8 \uacb0\uacfc\uc778\ub370\uc694. Google DNS\uc778 8.8.4.4\uc640 8.8.8.8\uc774 \ub2e4\ub978 DNS\uc5d0 \ube44\ud574\uc11c DNS \uc131\ub2a5\uc774 \uac00\uc7a5 \uc6b0\uc218\ud558\ub2e4\uace0 \ud569\ub2c8\ub2e4.(\ub2e8\ub9d0\uc774 \ubcf4\ub0b8 DNS Query\uc5d0 \ub300\ud55c \uc751\ub2f5\uc774 \uac00\uc7a5 \ube60\ub984)<\/span><\/div>\n<div><\/div>\n<div><img decoding=\"async\" src=\"http:\/\/www.netmanias.com\/daumeditor\/attache\/blog_resv\/Netmanias.2011.12.14-dns-bench.png\" alt=\"\" \/><\/div>\n<div><\/div>\n<div>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\">\ub610\ud55c DNS \uc11c\ubc84\ub97c \ud5a5\ud55c \uacf5\uaca9(DoS Attack, Spoofing Attack)\uc5d0 \ub300\ud574\uc11c\ub3c4 \uc548\uc804\ud558\ub2e4\uace0 Google\uc5d0\uc11c\ub294 \uc598\uae30\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/div>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\"><br \/>\n<\/span><\/div>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\">\uc989, \uc0ac\uc6a9\uc790\uac00 Google DNS\ub97c \uc0ac\uc6a9\ud558\uba74 (1) DNS \uc751\ub2f5 \uc18d\ub3c4\uac00 \ube60\ub974\ub2e4! (2) Google DNS \uc11c\ubc84\ub294 Attack\uc5d0 \ubc29\uc5b4\uac00 \uc798 \ub3fc\uc5b4 \uc788\uc73c\ubbc0\ub85c \uc548\uc804\ud558\ub2e4! \ub77c\ub294 \uc7a5\uc810\uc744 \uac00\uc9c0\uace0 \uc788\ub2e4\uace0 \ud569\ub2c8\ub2e4. \uadfc\ub370 \uc65c cisco \ud648\ud398\uc774\uc9c0\uc5d0 \ub300\ud55c ping \uc751\ub2f5 \uc18d\ub3c4\ub294 \uc774\ub9ac\ub3c4 \ub2a6\uc740\uc9c0 \ubaa8\ub974\uaca0\uad70\uc694&#8230;. (\ub0b4\uc77c \ub2f5\uc744 \uae30\ub300\ud558\uc138\uc694!)<\/span><\/div>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\"><br \/>\n<\/span><\/div>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\"><br \/>\n<\/span><\/div>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\"><strong><span style=\"color: #6b9900;\">\uc0ac\uc6a9\uc790 \uc704\uce58\uc5d0 \uc0c1\uad00\uc5c6\uc774 Google DNS \uc8fc\uc18c\ub97c 8.8.8.8\/8.8.4.4\ub85c \uc124\uc815\ud560 \uc218 \uc788\ub294 \uc774\uc720<\/span><\/strong><\/span><\/div>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\"><br \/>\n<\/span><\/div>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\">\uc77c\ubc18\uc801\uc73c\ub85c Public IP \uc8fc\uc18c\ub97c \uac00\uc9c0\ub294 \ub178\ub4dc\ub294 \uc804\uc9c0\uad6c\uc0c1\uc5d0 \ud558\ub098\ub9cc \uc874\uc7ac\ud558\ub294\uac8c \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub124\uc774\ubc84 \uc11c\ubc84 \uc8fc\uc18c\uc778 222.122.195.5\ub294 \uad6d\ub0b4 \ub124\uc774\ubc84 \uc11c\ubc84\ub9cc\uc774 \uac00\uc9c0\uace0 \uc788\ub294 \uc8fc\uc18c\uc774\uace0, \ub2e4\ub978 \uc5b4\ub290 \ub098\ub77c\/\uc9c0\uc5ed\uc5d0\ub294 \uc774 \uc8fc\uc18c\ub97c \uac00\uc9c4 \ub178\ub4dc(\uc11c\ubc84, \ub77c\uc6b0\ud130 \ub4f1)\ub294 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.\u00a0<\/span><\/div>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\"><br \/>\n<\/span><\/div>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\">\ud558\uc9c0\ub9cc &#8220;IP Anycast&#8221;\ub77c\ub294 \uac1c\ub150\uc744 \uc774\uc6a9\ud558\uba74 \ubcf8 \uc81c\ud55c\uc744 \uadf9\ubcf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/div>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\">\uc804\uc138\uacc4 \uc5ec\ub7ec \uc9c0\uc5ed\uc5d0 \ub3d9\uc77c IP \uc8fc\uc18c\ub97c \uac00\uc9c0\ub294 \uc11c\ubc84\ub97c \ubd84\uc0b0 \ubc30\uce58\uc2dc\ud0a4\uace0, \uc11c\ubc84\uc5d0 \uc811\uc18d\ud558\ub294 \uac01 \uc9c0\uc5ed\uc758 \ub2e8\ub9d0\uc740 IP routing (IGP\ub85c\ub294 OSPF, IS-IS, EGP\ub85c\ub294 eBGP\uac00 \ub300\ud45c\uc801)\uc758 &#8220;shortest path \uc54c\uace0\ub9ac\uc998&#8221;\uc5d0 \ub530\ub77c \uac00\uc7a5 \uac00\uae4c\uc6b4 \uacf3\uc758 \uc11c\ubc84\uc640 \ud1b5\uc2e0 \ud560 \uc218 \uc788\ub3c4\ub85d \ud574 \uc8fc\ub294 \uac83\uc785\ub2c8\ub2e4.<\/span><\/div>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\">\uc989, IP \ub77c\uc6b0\ud305\ub9dd\uc740 shortest path \uc54c\uace0\ub9ac\uc998\uc5d0 \ub530\ub77c \ub3d9\uc77c IP\ub97c \uac00\uc9c4 \ub178\ub4dc(Destination IP \uc8fc\uc18c)\uac00 \uc5ec\ub7ec\uac1c\ub77c \ud558\ub354\ub77c\ub3c4 \uadf8 \uc911\uc5d0 \uc0ac\uc6a9\uc790(Source IP \uc8fc\uc18c)\uc640 \uac00\uc7a5 \uac00\uae4c\uc6b4 \uacf3\uc5d0 \uc704\uce58\ud55c \ub178\ub4dc\ub85c \ud328\ud0b7\uc744 \uc804\ub2ec\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc11c &#8220;\uac00\uc7a5 \uac00\uae4c\uc6b4&#8221;\uc774\ub780 \ub77c\uc6b0\ud305 \ud504\ub85c\ud1a0\ucf5c\uc758 \uad00\uc810\uc73c\ub85c OSPF\/IS-IS\uc5d0\uc11c\ub294 Total Link Cost\uc774\uace0 eBGP\uc5d0\uc11c\ub294 AS-PATH\uac00 \ub300\ud45c\uc801\uc774\ub77c \ubcf4\uc2dc\uba74 \ub429\ub2c8\ub2e4.<\/span><\/div>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\"><br \/>\n<\/span><\/div>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\">Google DNS\ub294 \uc774 IP Anycast \uc6d0\ub9ac\ub97c \uc0ac\uc6a9\ud558\uace0 \uc788\ub294\ub370\uc694. \uc544\ub798 \uadf8\ub9bc\uc758 \uc608\uc640 \uac19\uc774 \uac01 \ub300\ub959\ubcc4\ub85c 8.8.8.8 \uc8fc\uc18c\ub97c \uac00\uc9c0\ub294 Google DNS \uc11c\ubc84\ub97c \uc704\uce58\uc2dc\ud0a4\uc2ed\ub2c8\ub2e4.\u00a0<\/span><\/div>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\">\uadf8\ub9ac\uace0 IP Anycasting\uc5d0 \uc758\ud574\uc11c \uac01 \ub300\ub959\uc5d0 \uc704\uce58\ud55c \uc0ac\uc6a9\uc790\uac00 \ubaa9\uc801\uc9c0 \uc8fc\uc18c(Destination IP address)\ub97c 8.8.8.8\ub85c \ud558\uc5ec \ud328\ud0b7(DNS \uba54\uc2dc\uc9c0)\uc744 \ubcf4\ub0b4\uba74 IP \ub9dd\uc5d0\uc11c\ub294 Shortest Path \uc54c\uace0\ub9ac\uc998\uc5d0 \uc758\ud574\uc11c \uadf8 \uc0ac\uc6a9\uc790\uc640 \uac00\uc7a5 \uac00\uae4c\uc6b4 \uc704\uce58\uc5d0 \uc788\ub294 Google DNS 8.8.8.8\ub85c \ud328\ud0b7\uc774 \ub77c\uc6b0\ud305 \ub418\uc5b4 \uac00\uac8c \ub429\ub2c8\ub2e4.<\/span><\/div>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\"><br \/>\n<\/span><\/div>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\">\uadfc\ub370 \ud55c\uac00\uc9c0 \uc880 \uc774\uc0c1\ud55c \uac83\uc740\uc694. \uc81c \uc790\ub9ac\uc5d0\uc11c 8.8.8.8 \ub610\ub294 8.8.4.4\ub85c trace route\ub97c \ud574 \ubcf4\uba74 \uadf8 \uc751\ub2f5\uc744 \uc8fc\ub294 \uc11c\ubc84\uc758 \uc704\uce58\uac00 \ubbf8\uad6d\uc73c\ub85c \ub098\uc624\ub124\uc694&#8230; \uad6d\ub0b4\uc5d0 Google Data Center\uac00 \uc5c6\uc9c0\ub9cc \uc804 \ucd5c\uc18c\ud55c \uc77c\ubcf8\uc5d0 \uc704\uce58\ud55c Google DNS \uc11c\ubc84\uc640 \ud1b5\uc2e0 \ud560 \uac83\uc73c\ub85c \uc0dd\uac01\ud588\uc5c8\uac70\ub4e0\uc694.. \uc65c \uc774\ub9ac \ub418\ub294\uc9c0 \ub204\uad6c \uc544\uc2dc\ub294 \ubd84 \uacc4\uc2dc\uba74 \ucf54\uba58\ud2b8 \uc880 \ubd80\ud0c1\ub4dc\ub9b4\uaed8\uc694. \u00a0^^*<\/span><\/div>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\">\uc544\ubb34\ud2bc.. \ubcf8 \uad81\uae08\uc810\uc740 \uc774\ubc88 \ubb38\uc81c\uc640 \ubcc4 \uc0c1\uad00\uc774 \uc5c6\uc73c\ubbc0\ub85c \uadf8\ub0e5 \ub118\uc5b4\uac00\ub3c4\ub85d \ud558\uaca0\uc2b5\ub2c8\ub2e4!<\/span><\/div>\n<div><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\"><br \/>\n<\/span><\/div>\n<div>\n<p><img decoding=\"async\" src=\"http:\/\/www.netmanias.com\/daumeditor\/attache\/blog\/1330444047\/Netmanias2011.12.14-Google_DNS_Anycast.gif\" alt=\"\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-family: \ub098\ub214\uace0\ub515, NanumGothicW, dotum;\">\uadf8\ub9ac\uace0 \ucc38\uace0\ub85c Google\uc740 \uc804\uc138\uacc4\uc5d0 40\uc5ec\uacf3\uc5d0 \uc790\uccb4 Data Center\ub97c \uac00\uc9c0\uace0 \uc788\uace0(\uc5ec\uae30\uc5d0 Google \uc11c\ubc84\uac00 \uc704\uce58\ud568), Google Data Center\uac04\uc758 \uc5f0\uacb0\ub3c4 \uc5ed\uc2dc Google \uc18c\uc720\uc758 fiber\ub97c \uc774\uc6a9\ud569\ub2c8\ub2e4. \uc989, Google\uc740 \uc5ec\ub7ec\ubd84\ub4e4\uc774 \uc544\uc2dc\ub294 \uc778\ud130\ub137 \uc11c\ube44\uc2a4 \uc81c\uacf5\ubfd0\ub9cc \uc544\ub2c8\ub77c, \ud1b5\uc2e0 \ud68c\uc120\uacfc Data Center\ub97c \ubcf4\uc720\ud558\uace0 \uc788\ub294 \uc77c\uc885\uc758 \ud1b5\uc2e0 \uc0ac\uc5c5\uc790\uc785\ub2c8\ub2e4.<\/span><\/p>\n<p>\ucc38\uc870 :<a href=\"http:\/\/www.netmanias.com\/bbs\/view.php?id=blog&amp;no=234\">http:\/\/www.netmanias.com\/bbs\/view.php?id=blog&amp;no=234<\/a><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Google DNS\uc758 \uc7a5\uc810 \uc544\ub798 \uadf8\ub9bc\uc740 \ube14\ub85c\uadf8(http:\/\/googlesystem.blogspot.com\/2009\/12\/google-dns.html)\uc5d0\uc11c \uac00\uc9c0\uace0 \uc628 \ud14c\uc2a4\ud2b8 \uacb0\uacfc\uc778\ub370\uc694. Google DNS\uc778 8.8.4.4\uc640 8.8.8.8\uc774 \ub2e4\ub978 DNS\uc5d0 \ube44\ud574\uc11c DNS \uc131\ub2a5\uc774 \uac00\uc7a5 \uc6b0\uc218\ud558\ub2e4\uace0 \ud569\ub2c8\ub2e4.(\ub2e8\ub9d0\uc774 \ubcf4\ub0b8 DNS Query\uc5d0 <a class=\"mh-excerpt-more\" href=\"https:\/\/www.auctionpro.co.kr\/?p=1044\" title=\"Google DNS\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[53],"tags":[],"class_list":["post-1044","post","type-post","status-publish","format-standard","hentry","category-dns-domain-network-system"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Google DNS - AuctionPro<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.auctionpro.co.kr\/?p=1044\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Google DNS - AuctionPro\" \/>\n<meta property=\"og:description\" content=\"Google DNS\uc758 \uc7a5\uc810 \uc544\ub798 \uadf8\ub9bc\uc740 \ube14\ub85c\uadf8(http:\/\/googlesystem.blogspot.com\/2009\/12\/google-dns.html)\uc5d0\uc11c \uac00\uc9c0\uace0 \uc628 \ud14c\uc2a4\ud2b8 \uacb0\uacfc\uc778\ub370\uc694. Google DNS\uc778 8.8.4.4\uc640 8.8.8.8\uc774 \ub2e4\ub978 DNS\uc5d0 \ube44\ud574\uc11c DNS \uc131\ub2a5\uc774 \uac00\uc7a5 \uc6b0\uc218\ud558\ub2e4\uace0 \ud569\ub2c8\ub2e4.(\ub2e8\ub9d0\uc774 \ubcf4\ub0b8 DNS Query\uc5d0 [...]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.auctionpro.co.kr\/?p=1044\" \/>\n<meta property=\"og:site_name\" content=\"AuctionPro\" \/>\n<meta property=\"article:published_time\" content=\"2012-10-10T09:26:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2012-11-04T21:34:40+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.netmanias.com\/daumeditor\/attache\/blog_resv\/Netmanias.2011.12.14-dns-bench.png\" \/>\n<meta name=\"author\" content=\"golgol\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\uae00\uc4f4\uc774\" \/>\n\t<meta name=\"twitter:data1\" content=\"golgol\" \/>\n\t<meta name=\"twitter:label2\" content=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.auctionpro.co.kr\\\/?p=1044#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.auctionpro.co.kr\\\/?p=1044\"},\"author\":{\"name\":\"golgol\",\"@id\":\"https:\\\/\\\/www.auctionpro.co.kr\\\/#\\\/schema\\\/person\\\/d3dbae599b06cd55f5b14a3e2116f7a2\"},\"headline\":\"Google DNS\",\"datePublished\":\"2012-10-10T09:26:41+00:00\",\"dateModified\":\"2012-11-04T21:34:40+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.auctionpro.co.kr\\\/?p=1044\"},\"wordCount\":109,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/www.auctionpro.co.kr\\\/?p=1044#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/www.netmanias.com\\\/daumeditor\\\/attache\\\/blog_resv\\\/Netmanias.2011.12.14-dns-bench.png\",\"articleSection\":[\"[Dev]DNS\"],\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.auctionpro.co.kr\\\/?p=1044#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.auctionpro.co.kr\\\/?p=1044\",\"url\":\"https:\\\/\\\/www.auctionpro.co.kr\\\/?p=1044\",\"name\":\"Google DNS - 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