{"id":5129,"date":"2023-11-03T14:49:52","date_gmt":"2023-11-03T05:49:52","guid":{"rendered":"https:\/\/engineer-chanpu.blog\/?p=5129"},"modified":"2024-05-05T10:00:46","modified_gmt":"2024-05-05T01:00:46","slug":"network-%ea%b8%b0%ec%b4%88-2-day-tcp-ip-network%eb%a5%bc-%ed%86%b5%ed%95%9c-%eb%84%a4%ed%8a%b8%ec%9b%8c%ed%81%ac-%ed%95%99%ec%8a%b5","status":"publish","type":"post","link":"https:\/\/engineer-chanpu.blog\/?p=5129","title":{"rendered":"Network \uae30\ucd08: 2-Day TCP\/IP Network\ub97c \ud1b5\ud55c \ub124\ud2b8\uc6cc\ud06c \ud559\uc2b5"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">OSI 7 Layers \uc554\uae30\uc758 \ud544\uc694\uc131<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\uad73\uc774 \uc678\uc6b0\uc9c0 \uc54a\uc544\ub3c4..<\/h3>\n\n\n\n<p>TCP\/IP \ub124\ud2b8\uc6cc\ud06c \ud559\uc2b5\uc744 \uc704\ud574 <mark style=\"background-color:#000000\" class=\"has-inline-color has-luminous-vivid-amber-color\">\ubc18\ub4dc\uc2dc OSI 7 Layer\ub97c \uc54c \ud544\uc694\ub294 \uc5c6\ub2e4\uace0<\/mark> \ub9d0\ud558\uace0 \uc2f6\ub2e4.<\/p>\n\n\n\n<p>OSI 7 Layer\ub294 <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\ub124\ud2b8\uc6cc\ud06c\uc758 &#8216;\uac1c\ub150\uacfc \uc774\uc0c1&#8217;\uc744 \uc124\uba85\ud558\uae30 \uc704\ud55c \ubaa8\ub378<\/mark>\uc774\ub2e4. \uadf8\ub7ec\ub098 \uc2e4\uc81c \ub124\ud2b8\uc6cc\ud06c\uc758 \ub3d9\uc791\uc740 TCP\/IP Network \ub098 HTTP\/HTTPS \ub4f1\uc5d0 \uae30\ubc18\ud55c\ub2e4. \ub530\ub77c\uc11c &#8216;\uc0ac\uc2e4, \uc2e4\uccb4, \uad6c\ud604&#8217;\uc744 \uc911\uc810\uc801\uc73c\ub85c \ubc30\uc6b0\ub294 \uac83\uc774 \ub354 \uc911\uc694\ud558\ub2e4.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"827\" height=\"603\" src=\"https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/TCP_IP-Socket.jpg\" alt=\"\" class=\"wp-image-5152\" style=\"aspect-ratio:1.5555555555555556;width:572px;height:auto\" srcset=\"https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/TCP_IP-Socket.jpg 827w, https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/TCP_IP-Socket-300x219.jpg 300w, https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/TCP_IP-Socket-768x560.jpg 768w\" sizes=\"auto, (max-width: 827px) 100vw, 827px\" \/><\/figure>\n<\/div>\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Network Layer \ub780?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\ucef4\ud4e8\ud130\uc758 \ub124\ud2b8\uc6cc\ud06c \uc601\uc5ed \ubd84\ub958<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>User layer:\n<ul class=\"wp-block-list\">\n<li>Application: \uc0ac\uc6a9\uc790\uac00 \uc9c1\uc811 \uc0ac\uc6a9\ud558\ub294 \ud504\ub85c\uadf8\ub7a8 \ub610\ub294 \uc11c\ube44\uc2a4.<\/li>\n\n\n\n<li>Process: \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc2e4\ud589\ub418\ub294 \ud504\ub85c\uadf8\ub7a8\uc758 \uc778\uc2a4\ud134\uc2a4.<\/li>\n\n\n\n<li>Socket(file): \ub124\ud2b8\uc6cc\ud06c \uc5f0\uacb0\uc758 \uc5d4\ub4dc \ud3ec\uc778\ud2b8.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Kernel layer:\n<ul class=\"wp-block-list\">\n<li>Transport\/Network: \ub370\uc774\ud130 \uc804\uc1a1\uc744 \ub2f4\ub2f9\ud558\ub294 \ubd80\ubd84.<\/li>\n\n\n\n<li>TCP\/IP: \uc778\ud130\ub137 \ud504\ub85c\ud1a0\ucf5c \uc2a4\ud0dd.<\/li>\n\n\n\n<li>Driver: \ud558\ub4dc\uc6e8\uc5b4\uc640 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uac04\uc758 \uc778\ud130\ud398\uc774\uc2a4 \uc5ed\ud560.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>H\/W layer:\n<ul class=\"wp-block-list\">\n<li>Access: \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc811\uadfc\ud558\ub294 \ubc29\ubc95.<\/li>\n\n\n\n<li>NIC: \ub124\ud2b8\uc6cc\ud06c \uc778\ud130\ud398\uc774\uc2a4 \uce74\ub4dc.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"516\" src=\"https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/network-architecture-1024x516.png\" alt=\"\" class=\"wp-image-5130\" srcset=\"https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/network-architecture-1024x516.png 1024w, https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/network-architecture-300x150.png 300w, https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/network-architecture-768x387.png 768w, https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/network-architecture-1536x775.png 1536w, https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/network-architecture.png 1854w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Socket\uc758 \uae4a\uc740 \ub73b<\/h3>\n\n\n\n<p>Socket\uc740 <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\uc6b4\uc601\uccb4\uc81c\uc758 \ucee4\ub110\uc5d0\uc11c \ub124\ud2b8\uc6cc\ud06c \uc5f0\uacb0\uc744 \ud30c\uc77c\ucc98\ub7fc \ub2e4\ub8e8\uae30 \uc704\ud55c \ubc29\ubc95<\/mark>\uc774\ub2e4. \uc774\ub97c \ud1b5\ud574 \ud504\ub85c\uc138\uc2a4\ub098 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc740 \ub124\ud2b8\uc6cc\ud06c \uad00\ub828 \ucee4\ub110 \uc694\uc18c\ub97c \ud30c\uc77c, \uc989 &#8216;Socket&#8217;\uc73c\ub85c \ucd94\uc0c1\ud654\ud558\uc5ec \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\ub124\ud2b8\uc6cc\ud06c\uc758 \ud575\uc2ec \uc2dd\ubcc4\uc790<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>MAC Address (Media Access Control Address)\n<ul class=\"wp-block-list\">\n<li>\ub300\uc0c1: \ub124\ud2b8\uc6cc\ud06c \uc778\ud130\ud398\uc774\uc2a4 \uce74\ub4dc (NIC) \ub610\ub294 \ud558\ub4dc\uc6e8\uc5b4 \uc778\ud130\ud398\uc774\uc2a4.<\/li>\n\n\n\n<li>\uc124\uba85: \uac01 \ub124\ud2b8\uc6cc\ud06c \uce74\ub4dc\uc5d0\ub294 \uc804\uc138\uacc4\uc5d0\uc11c \uc720\uc77c\ud55c MAC \uc8fc\uc18c\uac00 \ubd80\uc5ec\ub41c\ub2e4. \uc774 \uc8fc\uc18c\ub294 \ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35, \uc989 \ud1b5\uc2e0\ub9dd\uc758 \ubb3c\ub9ac\uc801 \uc5f0\uacb0\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud55c\ub2e4.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>IP Address (Internet Protocol Address)\n<ul class=\"wp-block-list\">\n<li>\ub300\uc0c1: \ub124\ud2b8\uc6cc\ud06c \uc0c1\uc758 \uc7a5\uce58 (PC, \uc2a4\ub9c8\ud2b8\ud3f0, \ub77c\uc6b0\ud130 \ub4f1).<\/li>\n\n\n\n<li>\uc124\uba85: IP \uc8fc\uc18c\ub294 \ub370\uc774\ud130 \ud328\ud0b7\uc774 \uc62c\ubc14\ub978 \ubaa9\uc801\uc9c0\uc5d0 \ub3c4\ub2ec\ud558\uac8c \ud574\uc8fc\ub294 \uc2dd\ubcc4\uc790\ub2e4. \uace0\uc720\ud55c \uc8fc\uc18c \ub355\ubd84\uc5d0 \uc778\ud130\ub137 \uc0c1\uc758 \uc218\ub9ce\uc740 \uc7a5\uce58\ub4e4\uc774 \uc11c\ub85c \ud1b5\uc2e0\ud560 \uc218 \uc788\ub2e4.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Port Number\n<ul class=\"wp-block-list\">\n<li>\ub300\uc0c1: \ucef4\ud4e8\ud130 \ub0b4\uc758 \ud2b9\uc815 \ud504\ub85c\uc138\uc2a4\ub098 \uc560\ud50c\ub9ac\ucf00\uc774\uc158.<\/li>\n\n\n\n<li>\uc124\uba85: \ud558\ub098\uc758 \uc7a5\uce58 \ub0b4\uc5d0\uc11c \uc5ec\ub7ec \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \ub124\ud2b8\uc6cc\ud06c \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud560 \ub54c, \ud3ec\ud2b8 \ubc88\ud638\ub97c \ud1b5\ud574 \uac01 \uc11c\ube44\uc2a4\ub97c \uad6c\ubcc4\ud55c\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \uc6f9 \uc11c\ube44\uc2a4\ub294 \uc8fc\ub85c 80\ubc88(HTTP)\uacfc 443\ubc88(HTTPS) \ud3ec\ud2b8\ub97c \uc0ac\uc6a9\ud55c\ub2e4.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\ub05d\ub9fa\uc74c<\/h3>\n\n\n\n<p>\ub124\ud2b8\uc6cc\ud06c\ub294 \ubcf5\uc7a1\ud55c \uad6c\uc870\uc640 \uc6d0\ub9ac\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc9c0\ub9cc, \uae30\ubcf8\uc801\uc778 \uac1c\ub150\uacfc \ud575\uc2ec \uc694\uc18c\ub97c \uc774\ud574\ud558\uba74 \uadf8 \ub4a4\uc758 \ud559\uc2b5\uc774 \ud6e8\uc52c \uc218\uc6d4\ud574\uc9c4\ub2e4. \uc704 \ub0b4\uc6a9\uc740 \ub124\ud2b8\uc6cc\ud06c\uc758 \uae30\ucd08\ub97c \ud0c4\ud0c4\ud788 \ub2e4\uc9c0\uae30 \uc704\ud55c \uccab \uac78\uc74c\uc774\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>OSI 7 Layers \uc554\uae30\uc758 \ud544\uc694\uc131 \uad73\uc774 \uc678\uc6b0\uc9c0 \uc54a\uc544\ub3c4.. TCP\/IP \ub124\ud2b8\uc6cc\ud06c \ud559\uc2b5\uc744 \uc704\ud574 \ubc18\ub4dc\uc2dc OSI 7 Layer\ub97c \uc54c \ud544\uc694\ub294 \uc5c6\ub2e4\uace0 \ub9d0\ud558\uace0 \uc2f6\ub2e4. OSI 7 Layer\ub294 \ub124\ud2b8\uc6cc\ud06c\uc758 &#8216;\uac1c\ub150\uacfc \uc774\uc0c1&#8217;\uc744 \uc124\uba85\ud558\uae30 \uc704\ud55c \ubaa8\ub378\uc774\ub2e4. &#8230;<\/p>\n","protected":false},"author":1,"featured_media":6296,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[],"class_list":["post-5129","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tech-notes"],"_links":{"self":[{"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=\/wp\/v2\/posts\/5129","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5129"}],"version-history":[{"count":13,"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=\/wp\/v2\/posts\/5129\/revisions"}],"predecessor-version":[{"id":6297,"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=\/wp\/v2\/posts\/5129\/revisions\/6297"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=\/wp\/v2\/media\/6296"}],"wp:attachment":[{"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5129"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5129"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}