{"id":718,"date":"2022-02-25T07:08:39","date_gmt":"2022-02-25T07:08:39","guid":{"rendered":"http:\/\/happily70.dothome.co.kr\/?p=718"},"modified":"2022-03-26T07:38:17","modified_gmt":"2022-03-26T07:38:17","slug":"%eb%a1%9c%eb%93%9c-%eb%b0%b8%eb%9f%b0%ec%8b%b1","status":"publish","type":"post","link":"http:\/\/happily70.dothome.co.kr\/?p=718","title":{"rendered":"\ub85c\ub4dc \ubc38\ub7f0\uc2f1"},"content":{"rendered":"\n<p>\uc11c\ubc84\uc5d0 \uac00\ud574\uc9c0\ub294 \ubd80\ud558(=\ub85c\ub4dc)\ub97c \ubd84\uc0b0(=\ubc38\ub7f0\uc2f1)\ud574\uc8fc\ub294 \uc7a5\uce58 \ub610\ub294 \uae30\uc220\uc744 \ud1b5\uce6d\ud558\uba70 \uac00\uc0c1 IP\ub97c \ud1b5\ud574 \uc5ec\ub7ec \uc11c\ubc84\uc5d0 \uc811\uc18d\ud558\ub3c4\ub85d \ubd84\ubc30\ud558\ub294 \uae30\ub2a5\uc744 \uc758\ubbf8\ud55c\ub2e4.<\/p>\n\n\n\n<p>\ubc1c\uc0dd\ud558\ub294 \ud2b8\ub798\ud53d\uc774 \ub9ce\uc744 \ub54c \uc5ec\ub7ec \ub300\uc758 \uc11c\ubc84\uac00 \ubd84\uc0b0\ucc98\ub9ac\ud558\uc5ec \uc11c\ubc84\uc758 \ub85c\ub4dc\uc728 \uc99d\uac00, \ubd80\ud558\ub7c9, \uc18d\ub3c4 \uc800\ud558 \ub4f1\uc744 \uace0\ub824\ud558\uc5ec \uc801\uc808\ud788 \ubd84\uc0b0\ucc98\ub9ac\ud558\uc5ec \ud574\uacb0\ud574\uc8fc\ub294 \uc11c\ube44\uc2a4\uc774\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-gallery aligncenter columns-1 wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"212\" src=\"http:\/\/happily70.dothome.co.kr\/wp-content\/uploads\/2022\/02\/\u1105\u1169\u1103\u1173\u1107\u1162\u11af\u1105\u1165\u11ab\u1109\u1175\u11bc-300x212.png\" alt=\"\" data-id=\"719\" data-full-url=\"http:\/\/happily70.dothome.co.kr\/wp-content\/uploads\/2022\/02\/\u1105\u1169\u1103\u1173\u1107\u1162\u11af\u1105\u1165\u11ab\u1109\u1175\u11bc.png\" data-link=\"http:\/\/happily70.dothome.co.kr\/?attachment_id=719\" class=\"wp-image-719\" srcset=\"http:\/\/happily70.dothome.co.kr\/wp-content\/uploads\/2022\/02\/\u1105\u1169\u1103\u1173\u1107\u1162\u11af\u1105\u1165\u11ab\u1109\u1175\u11bc-300x212.png 300w, http:\/\/happily70.dothome.co.kr\/wp-content\/uploads\/2022\/02\/\u1105\u1169\u1103\u1173\u1107\u1162\u11af\u1105\u1165\u11ab\u1109\u1175\u11bc-1024x722.png 1024w, http:\/\/happily70.dothome.co.kr\/wp-content\/uploads\/2022\/02\/\u1105\u1169\u1103\u1173\u1107\u1162\u11af\u1105\u1165\u11ab\u1109\u1175\u11bc-768x542.png 768w, http:\/\/happily70.dothome.co.kr\/wp-content\/uploads\/2022\/02\/\u1105\u1169\u1103\u1173\u1107\u1162\u11af\u1105\u1165\u11ab\u1109\u1175\u11bc.png 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\ub85c\ub4dc \ubc38\ub7f0\uc11c (<meta charset=\"utf-8\">Load Balancer)<\/h2>\n\n\n\n<p>\ub85c\ub4dc \ubc38\ub7f0\uc2f1\uc744 \ud574\uc8fc\ub294 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ud639\uc740 \ud558\ub4dc\uc6e8\uc5b4 \uc7a5\ube44\ub97c \ub85c\ub4dc \ubc38\ub7f0\uc11c(Load Balancer)\ub77c\uace0 \ud558\uba70 \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc11c\ubc84\ud480(Server Pool, \ubd84\uc0b0 \ub124\ud2b8\uc6cc\ud06c\ub97c \uad6c\uc131\ud558\ub294 \uc11c\ubc84\ub4e4\uc758 \uadf8\ub8f9) \uc0ac\uc774\uc5d0 \uc704\uce58\ud558\uba70 \uc8fc \ubaa9\uc801\uc740 \ub3d9\uc2dc\uc5d0 \uc624\ub294 \uc218 \ub9ce\uc740 \ucee4\ub125\uc158\uc744 \ud55c\ub300\uc758 \uc11c\ubc84\ub85c \ubd80\ud558\uac00 \uc9d1\uc911\ub418\uc9c0 \uc54a\ub3c4\ub85d \ud2b8\ub798\ud53d\uc744 \uad00\ub9ac\ud558\uace0 \ud574\ub2f9 \ucee4\ub125\uc158\uc774 \uc694\uccad \ub178\ub4dc \uc911\uc758 \ud558\ub098\ub85c \uc804\ub2ec\ub420 \uc218 \uc788\uac8c \ud558\uc5ec \uac01\uac01\uc758 \uc11c\ubc84\uac00 \ucd5c\uc801\uc758 \ud37c\ud3ec\uba3c\uc2a4\ub97c \ubcf4\uc77c \uc218 \uc788\ub3c4\ub85d \ud55c\ub2e4.<\/p>\n\n\n\n<p>\ubd80\ud558 \ubd84\uc0b0\uc5d0\ub294 L4 Load Balancer\uc640 L7 Load Balancer\uac00 \ub9ce\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. L4\ubd80\ud130 Port\ub97c \ub2e4\ub8f0 \uc218 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ud55c \ub300\uc758 \uc11c\ubc84\uc758 \uac01\uac01\uc758 \ud3ec\ud2b8\uc5d0 \uc5ec\ub7ec\uac1c\uc758 \uc11c\ube44\uc2a4\ub4e4\uc744 \uc6b4\uc601\ud558\uae30 \uc704\ud574\uc11c L4 Layer \uc704\uc5d0\uc11c \uc791\ub3d9\ud558\ub294 <meta charset=\"utf-8\">\ub85c\ub4dc \ubc38\ub7f0\uc11c\uac00 \ud544\uc694\ud574\uc9c4 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774\uc804\uc5d0\ub294 \ube44\uc2fc L4 \ud558\ub4dc\uc6e8\uc5b4 \uc7a5\ube44\ub97c \uc8fc\ub85c \uc0ac\uc6a9\ud588\uc9c0\ub9cc<br>\ud604\uc7ac\ub294 MSA\uc758 \ub4f1\uc7a5 \ub4f1\uc73c\ub85c L7 \ub85c\ub4dc \ubc38\ub7f0\uc2f1\ub3c4 \ub9ce\uc774 \uc0ac\uc6a9\ud558\uace0, AWS ELB, NginX, HaProxy\ub4f1 \ub2e4\uc591\ud55c \uc18c\ud504\ud2b8\uc6e8\uc5b4\ub97c \uc0ac\uc6a9\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong><em>\ub85c\ub4dc \ubc38\ub7f0\uc11c\ub97c \uc0ac\uc6a9\ud560 \ub54c \uc5b4\ub824\uc6b4 \ubb38\uc81c \uc911 \ud558\ub098\ub294 \uc138\uc158 \ub370\uc774\ud130\ub97c \uad00\ub9ac\ud558\ub294 \uac83\uc774\ub2e4.<\/em><\/strong><\/p><cite>\uc11c\ubc84\uc5d0 \uc561\uc138\uc2a4 \ud560 \ub54c\ub9c8\ub2e4 \ub2e4\ub978 \uc138\uc158\uc744 \uc0ac\uc6a9\ud55c\ub2e4\uba74 \ud2b9\uc815 \uc0ac\uc6a9\uc790\uc758 \uc815\ubcf4\ub97c \uc77c\uad00\uc131 \uc788\uac8c \uc720\uc9c0\ud560 \uc218 \uc5c6\uac8c \ub41c\ub2e4.<br>\uc774\ub7ec\ud55c \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 \uc138\uc158\uc744 \uace0\uc815(Session Sticky) \ud55c\ub2e4. \uc774 \ubc29\ubc95\uc73c\ub85c \ud2b9\uc815 \uc0ac\uc6a9\uc790\uc758 \uc694\uccad\uc774 \uc804\ub2ec\ub420 \ub178\ub4dc\ub97c \uace0\uc815\uc2dc\ud0ac \uc218 \uc788\ub2e4.<\/cite><\/blockquote>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub85c\ub4dc \ubc38\ub7f0\uc2f1 \uc54c\uace0\ub9ac\uc998<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\ub77c\uc6b4\ub4dc\ub85c\ube48 \ubc29\uc2dd (Round Robin Method)<\/strong><br>\uc11c\ubc84\uc5d0 \ub4e4\uc5b4\uc628 \uc694\uccad\uc744 \uc21c\uc11c\ub300\ub85c \ub3cc\uc544\uac00\uba70 \ubc30\uc815\ud558\ub294 \ubc29\uc2dd.<br>\ud074\ub77c\uc774\uc5b8\ud2b8\uc758 \uc694\uccad\uc744 \uc21c\uc11c\ub300\ub85c \ubd84\ubc30\ud558\uae30 \ub54c\ubb38\uc5d0 \uc5ec\ub7ec \ub300\uc758 \uc11c\ubc84\uac00 \ub3d9\uc77c\ud55c \uc2a4\ud399\uc744 \uac16\uace0 \uc788\uace0, \uc11c\ubc84\uc640\uc758 \uc5f0\uacb0(\uc138\uc158)\uc774 \uc624\ub798 \uc9c0\uc18d\ub418\uc9c0 \uc54a\ub294 \uacbd\uc6b0\uc5d0 \ud65c\uc6a9\ud558\uae30 \uc801\ud569\ud569\ub2c8\ub2e4.<br><\/li><li><strong>\uac00\uc911 \ub77c\uc6b4\ub4dc\ub85c\ube48 \ubc29\uc2dd (Weighted Round Robin Method)<\/strong><br>\uac01\uac01\uc758 \uc11c\ubc84\ub9c8\ub2e4 \uac00\uc911\uce58\ub97c \ub9e4\uae30\uace0 \uac00\uc911\uce58\uac00 \ub192\uc740 \uc11c\ubc84\uc5d0 \ud074\ub77c\uc774\uc5b8\ud2b8 \uc694\uccad\uc744 \uc6b0\uc120\uc801\uc73c\ub85c \ubc30\ubd84\ud569\ub2c8\ub2e4. \uc8fc\ub85c \uc11c\ubc84\uc758 \ud2b8\ub798\ud53d \ucc98\ub9ac \ub2a5\ub825\uc774 \uc0c1\uc774\ud55c \uacbd\uc6b0 \uc0ac\uc6a9\ub418\ub294 \ubd80\ud558 \ubd84\uc0b0 \ubc29\uc2dd\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 A\ub77c\ub294 \uc11c\ubc84\uac00 5\ub77c\ub294 \uac00\uc911\uce58\ub97c \uac16\uace0 B\ub77c\ub294 \uc11c\ubc84\uac00 2\ub77c\ub294 \uac00\uc911\uce58\ub97c \uac16\ub294\ub2e4\uba74, \ub85c\ub4dc\ubc38\ub7f0\uc11c\ub294 \ub77c\uc6b4\ub4dc\ub85c\ube48 \ubc29\uc2dd\uc73c\ub85c A \uc11c\ubc84\uc5d0 5\uac1c B \uc11c\ubc84\uc5d0 2\uac1c\uc758 \uc694\uccad\uc744 \uc804\ub2ec\ud569\ub2c8\ub2e4.<br><\/li><li><strong>IP \ud574\uc2dc \ubc29\uc2dd (IP Hash Method)<\/strong><br>\ud074\ub77c\uc774\uc5b8\ud2b8\uc758 IP \uc8fc\uc18c\ub97c \ud2b9\uc815 \uc11c\ubc84\ub85c \ub9e4\ud551\ud558\uc5ec \uc694\uccad\uc744 \ucc98\ub9ac\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4. \uc0ac\uc6a9\uc790\uc758 IP\ub97c \ud574\uc2f1(Hashing, \uc784\uc758\uc758 \uae38\uc774\ub97c \uc9c0\ub2cc \ub370\uc774\ud130\ub97c \uace0\uc815\ub41c \uae38\uc774\uc758 \ub370\uc774\ud130\ub85c \ub9e4\ud551\ud558\ub294 \uac83, \ub610\ub294 \uadf8\ub7ec\ud55c \ud568\uc218)\ud574 \ub85c\ub4dc\ub97c \ubd84\ubc30 \ud558\uae30 \ub54c\ubb38\uc5d0 \uc0ac\uc6a9\uc790\uac00 \ud56d\uc0c1 \ub3d9\uc77c\ud55c \uc11c\ubc84\ub85c \uc5f0\uacb0\ub418\ub294 \uac83\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<br><\/li><li><strong>\ucd5c\uc18c \uc5f0\uacb0 \ubc29\uc2dd (Least Connection Method)<\/strong><br>\uc694\uccad\uc774 \ub4e4\uc5b4\uc628 \uc2dc\uc810\uc5d0 \uac00\uc7a5 \uc801\uc740 \uc5f0\uacb0\uc0c1\ud0dc\ub97c \ubcf4\uc774\ub294 \uc11c\ubc84\uc5d0 \uc6b0\uc120\uc801\uc73c\ub85c \ud2b8\ub798\ud53d\uc744 \ubc30\ubd84\ud569\ub2c8\ub2e4. \uc790\uc8fc \uc138\uc158\uc774 \uae38\uc5b4\uc9c0\uac70\ub098, \uc11c\ubc84\uc5d0 \ubd84\ubc30\ub41c \ud2b8\ub798\ud53d\ub4e4\uc774 \uc77c\uc815\ud558\uc9c0 \uc54a\uc740 \uacbd\uc6b0\uc5d0 \uc801\ud569\ud55c \ubc29\uc2dd\uc785\ub2c8\ub2e4.<br><\/li><li><strong>\ucd5c\uc18c \uc751\ub2f5\uc2dc\uac04 \ubc29\uc2dd (Least Response Time Method)<\/strong><br>\uc11c\ubc84\uc758 \ud604\uc7ac \uc5f0\uacb0 \uc0c1\ud0dc\uc640 \uc751\ub2f5\uc2dc\uac04(Response Time, \uc11c\ubc84\uc5d0 \uc694\uccad\uc744 \ubcf4\ub0b4\uace0 \ucd5c\ucd08 \uc751\ub2f5\uc744 \ubc1b\uc744 \ub54c\uae4c\uc9c0 \uc18c\uc694\ub418\ub294 \uc2dc\uac04)\uc744 \ubaa8\ub450 \uace0\ub824\ud558\uc5ec \ud2b8\ub798\ud53d\uc744 \ubc30\ubd84\ud569\ub2c8\ub2e4. \uac00\uc7a5 \uc801\uc740 \uc5f0\uacb0 \uc0c1\ud0dc\uc640 \uac00\uc7a5 \uc9e7\uc740 \uc751\ub2f5\uc2dc\uac04\uc744 \ubcf4\uc774\ub294 \uc11c\ubc84\uc5d0 \uc6b0\uc120\uc801\uc73c\ub85c \ub85c\ub4dc\ub97c \ubc30\ubd84\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4.<\/li><\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>L4 Load Balancer \uc640 L7 Load Balancer<\/strong> \uc758 \ucc28\uc774<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">L4 Load Balancer<\/h3>\n\n\n\n<p><em><strong>IP, Port<\/strong>\u00a0<\/em>\ub97c \uae30\uc900\uc73c\ub85c \uc2a4\ucf00\uc904\ub9c1 \uc54c\uace0\ub9ac\uc998\uc744 \ud1b5\ud574 \ubd80\ud558\ub97c \ubd84\uc0b0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ub370\uc774\ud130\uc758 \ub0b4\uc6a9\uc744 \ubcf5\ud638\ud654\ud560 \ud544\uc694\uac00 \uc5c6\uc5b4 \uc548\uc804\ud558\uba70, <br>\ub370\uc774\ud130 \uc548\uc744 \ub4e4\uc5ec\ub2e4\ubcf4\uc9c0 \uc54a\uace0 \ud328\ud0b7 \ub808\ubca8\uc5d0\uc11c\ub9cc \ub85c\ub4dc\ub97c \ubd84\uc0b0\ud558\uae30 \ub54c\ubb38\uc5d0 \uc18d\ub3c4\uac00 \ube60\ub974\uace0 \ud6a8\uc728\uc774 \ub192\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ub2e4\ub9cc, \ud328\ud0b7\uc758 \ub0b4\uc6a9\uc744 \uc0b4\ud3b4\ubcfc \uc218 \uc5c6\uae30 \ub54c\ubb38\uc5d0 \uc12c\uc138\ud55c \ub77c\uc6b0\ud305\uc774 \ubd88\uac00\ub2a5\ud558\uba70, <br>\uc0ac\uc6a9\uc790\uc758 IP\uac00 \uc218\uc2dc\ub85c \ubc14\ub00c\ub294 \uacbd\uc6b0\ub77c\uba74 \uc5f0\uc18d\uc801\uc778 \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud558\uae30 \uc5b4\ub835\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>L7 Load Balancer\ubcf4\ub2e4 \uac00\uaca9\uc774 \uc800\ub834\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L7 Load Balancer<\/h3>\n\n\n\n<p>L7 \uc704\uc5d0\uc11c \ub3d9\uc791\ud558\uae30 \ub54c\ubb38\uc5d0 IP, Port \uc774\uc678\uc5d0\ub3c4\u00a0<strong><em>URI, Payload, Http Header, Cookie<\/em>\u00a0<\/strong>\ub4f1\uc758 \ub0b4\uc6a9\uc744 \uae30\uc900\uc73c\ub85c \ubd80\ud558\ub97c \ubd84\uc0b0\ud569\ub2c8\ub2e4.<br>\uadf8\ub798\uc11c \ucf58\ud150\uce20 \uae30\ubc18 \uc2a4\uc704\uce6d\uc774\ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc0c1\uc704 \uacc4\uce35\uc5d0\uc11c \ub85c\ub4dc\ub97c \ubd84\uc0b0\ud558\uae30 \ub54c\ubb38\uc5d0 \ud6e8\uc52c \ub354 \uc12c\uc138\ud55c \ub77c\uc6b0\ud305\uc774 \uac00\ub2a5\ud558\uba70, \uce90\uc2f1 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<br>\ube44\uc815\uc0c1\uc801\uc778 \ud2b8\ub798\ud53d\uc744 \uc0ac\uc804\uc5d0 \ud544\ud130\ub9c1\ud560 \uc218 \uc788\uc5b4 \uc11c\ube44\uc2a4 \uc548\uc815\uc131\uc774 \ub192\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ud328\ud0b7\uc758 \ub0b4\uc6a9\uc744 \ubcf5\ud638\ud654\ud574\uc57c \ud558\uae30\uc5d0 \ub354 \ub192\uc740 \ube44\uc6a9\uc744 \uc9c0\ubd88\ud574\uc57c\ud558\uba70<br>\ud074\ub77c\uc774\uc5b8\ud2b8\uac00 \ub85c\ub4dc \ubc38\ub7f0\uc11c\uc640 \uc778\uc99d\uc11c\ub97c \uacf5\uc720\ud574\uc57c\ud558\uae30 \ub54c\ubb38\uc5d0 \uacf5\uaca9\uc790\uac00 \ub85c\ub4dc \ubc38\ub7f0\uc11c\ub97c \ud1b5\ud574\uc11c \ud074\ub77c\uc774\uc5b8\ud2b8\uc5d0 \ub370\uc774\ud130\uc5d0 \uc811\uadfc\ud560 \ubcf4\uc548 \uc0c1\uc758 \uc704\ud5d8\uc131\uc774 \uc874\uc7ac\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>L4 Load Balancer<\/strong>\ub294 \ub2e8\uc9c0 \ubd80\ud558\ub97c \ubd84\uc0b0\uc2dc\ud0a4\ub294 \uac83\uc774\ub77c\uba74<br><strong>L7 Load Balancer<\/strong>\ub294 \uc694\uccad\uc758 \uc138\ubd80\uc801\uc778 \uc0ac\ud56d\uc744 \ub450\uace0 \uacb0\uc81c\ub9cc \ub2f4\ub2f9\ud558\ub294 \uc11c\ubc84, \ud68c\uc6d0\uac00\uc785\ub9cc\uc744 \ub2f4\ub2f9\ud558\ub294 \uc11c\ubc84 \ub4f1\uc73c\ub85c \ubd84\ub9ac\ud574\uc11c \uac00\ubccd\uace0 \uc791\uc740 \ub2e8\uc704\ub85c \uc5ec\ub7ec \uac1c\uc758 \uc11c\ube44\uc2a4\ub97c \uc6b4\uc601\ud558\uace0 \uc694\uccad\uc744 \uac01\uac01\uc758 \uc11c\ubc84\uc5d0 \ubd84\uc0b0\ud560 \uc218 \uc788\ub294 \uac83\uc785\ub2c8\ub2e4.\u00a0<\/p>\n\n\n\n<p><strong>L7 Load Balancer<\/strong>\ub294 <strong>L4 Load Balancer<\/strong>\uc640 \ub2e4\ub974\uac8c \ub370\uc774\ud130\ub97c \ubd84\uc11d\ud574\uc11c \ucc98\ub9ac\uac00 \uac00\ub2a5\ud558\uae30 \ub54c\ubb38\uc5d0 \uc545\uc758\uc801\uc774\uac70\ub098 \ube44 \uc815\uc0c1\uc801\uc778 \ucf58\ud150\uce20\ub97c \uac10\uc9c0\ud574 \ubcf4\uc548 \uc9c0\uc810\uc744 \uad6c\ucd95\ud560 \uc218\ub3c4 \uc788\ub294 \uc7a5\uc810\uc774 \uc788\uace0, \uadf8 \ub9cc\ud07c \uc790\uc6d0 \uc18c\ubaa8\uac00 \ud06c\ub2e4\ub294 \ub2e8\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-gallery aligncenter columns-1 wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"674\" height=\"555\" src=\"http:\/\/happily70.dothome.co.kr\/wp-content\/uploads\/2022\/02\/l4-vs-l7.png\" alt=\"\" data-id=\"720\" data-full-url=\"http:\/\/happily70.dothome.co.kr\/wp-content\/uploads\/2022\/02\/l4-vs-l7.png\" data-link=\"http:\/\/happily70.dothome.co.kr\/?attachment_id=720\" class=\"wp-image-720\" srcset=\"http:\/\/happily70.dothome.co.kr\/wp-content\/uploads\/2022\/02\/l4-vs-l7.png 674w, http:\/\/happily70.dothome.co.kr\/wp-content\/uploads\/2022\/02\/l4-vs-l7-300x247.png 300w\" sizes=\"(max-width: 674px) 100vw, 674px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><\/p><p>* \uc6a9\uc5b4 *<\/p><cite><strong>NAT<\/strong><br>private IP\ub97c public IP\ub85c \ubc14\uafb8\ub294\ub370 \uc0ac\uc6a9\ud558\ub294 \ud1b5\uc2e0\ub9dd\uc758 \uc8fc\uc18c \ubcc0\uc870\uae30<br><br><strong>DSR<\/strong><br>\uc11c\ubc84\uc5d0\uc11c \ud074\ub77c\uc774\uc5b8\ud2b8\ub85c \ub418\ub3cc\uc544\uac00\ub294 \uacbd\uc6b0, \ubaa9\uc801\uc9c0 \uc8fc\uc18c\ub97c \uc2a4\uc704\uce58 IP\uac00 \uc544\ub2cc \ud074\ub77c\uc774\uc5b8\ud2b8\uc758 IP \uc8fc\uc18c\ub85c \uc804\ub2ec\ud574\uc11c \ub124\ud2b8\uc6cc\ud06c \uc2a4\uc704\uce58\ub97c \uac70\uce58\uc9c0 \uc54a\uace0 \ubc14\ub85c \ud074\ub77c\uc774\uc5b8\ud2b8\ub97c \ucc3e\uc544\uac00\ub294 \uac1c\ub150<br><br><strong>Tunneling<\/strong><br>\uc778\ud130\ub137 \uc0c1\uc5d0\uc11c \ub208\uc5d0 \ubcf4\uc774\uc9c0 \uc54a\ub294 \ud1b5\ub85c\ub97c \ub9cc\ub4e4\uc5b4 \ud1b5\uc2e0\ud560 \uc218 \uc788\uac8c \ud558\ub294 \uac1c\ub150\uc73c\ub85c \ub370\uc774\ud130\ub97c \ucea1\uc290\ud654\ud574\uc11c \uc5f0\uacb0\ub41c \uc0c1\ud638\uac04\uc5d0\ub9cc \ucea1\uc290\ud654\ub41c \ud328\ud0b7\uc744 \uad6c\ubcc4\ud574 \ucea1\uc290\ud654\ub97c \ud574\uc81c\ud560 \uc218 \uc788\ub2e4.<\/cite><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\uc11c\ubc84\uc5d0 \uac00\ud574\uc9c0\ub294 \ubd80\ud558(=\ub85c\ub4dc)\ub97c \ubd84\uc0b0(=\ubc38\ub7f0\uc2f1)\ud574\uc8fc\ub294 \uc7a5\uce58 \ub610\ub294 \uae30\uc220\uc744 \ud1b5\uce6d\ud558\uba70 \uac00\uc0c1 IP\ub97c \ud1b5\ud574 \uc5ec\ub7ec \uc11c\ubc84\uc5d0 \uc811\uc18d\ud558\ub3c4\ub85d \ubd84\ubc30\ud558\ub294 \uae30\ub2a5\uc744 \uc758\ubbf8\ud55c\ub2e4. \ubc1c\uc0dd\ud558\ub294 \ud2b8\ub798\ud53d\uc774 \ub9ce\uc744 \ub54c \uc5ec\ub7ec \ub300\uc758 \uc11c\ubc84\uac00 \ubd84\uc0b0\ucc98\ub9ac\ud558\uc5ec \uc11c\ubc84\uc758 \ub85c\ub4dc\uc728 \uc99d\uac00, \ubd80\ud558\ub7c9, \uc18d\ub3c4 \uc800\ud558 \ub4f1\uc744 \uace0\ub824\ud558\uc5ec \uc801\uc808\ud788 \ubd84\uc0b0\ucc98\ub9ac\ud558\uc5ec \ud574\uacb0\ud574\uc8fc\ub294 \uc11c\ube44\uc2a4\uc774\ub2e4. \ub85c\ub4dc \ubc38\ub7f0\uc11c (Load Balancer) \ub85c\ub4dc \ubc38\ub7f0\uc2f1\uc744 \ud574\uc8fc\ub294 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ud639\uc740 \ud558\ub4dc\uc6e8\uc5b4 \uc7a5\ube44\ub97c \ub85c\ub4dc \ubc38\ub7f0\uc11c(Load Balancer)\ub77c\uace0 \ud558\uba70 \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc11c\ubc84\ud480(Server Pool,<\/p>\n<footer class=\"entry-footer index-entry\">\n<div class=\"post-social pull-left\"><a href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=http%3A%2F%2Fhappily70.dothome.co.kr%2F%3Fp%3D718\" target=\"_blank\" class=\"social-icons\"><i class=\"fa fa-facebook\" aria-hidden=\"true\"><\/i><\/a><a href=\"https:\/\/twitter.com\/home?status=http%3A%2F%2Fhappily70.dothome.co.kr%2F%3Fp%3D718\" target=\"_blank\" class=\"social-icons\"><i class=\"fa fa-twitter\" aria-hidden=\"true\"><\/i><\/a><a href=\"https:\/\/www.linkedin.com\/shareArticle?mini=true&#038;url=http%3A%2F%2Fhappily70.dothome.co.kr%2F%3Fp%3D718&#038;title=%EB%A1%9C%EB%93%9C+%EB%B0%B8%EB%9F%B0%EC%8B%B1\" target=\"_blank\" class=\"social-icons\"><i class=\"fa fa-linkedin\" 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