{"id":4249,"date":"2026-05-21T00:00:02","date_gmt":"2026-05-20T17:00:02","guid":{"rendered":"https:\/\/technest.com.vn\/?p=4249"},"modified":"2026-04-23T15:21:56","modified_gmt":"2026-04-23T08:21:56","slug":"data-transfer","status":"publish","type":"post","link":"https:\/\/technest.com.vn\/vi\/data-transfer\/","title":{"rendered":"C\u00e1c giao th\u1ee9c Data Transfer ph\u1ed5 bi\u1ebfn hi\u1ec7n nay"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Trong k\u1ef7 nguy\u00ean s\u1ed1 h\u00f3a, gi\u00e1 tr\u1ecb c\u1ee7a d\u1eef li\u1ec7u ch\u1ec9 th\u1ef1c s\u1ef1 \u0111\u01b0\u1ee3c ph\u00e1t huy khi n\u00f3 \u0111\u01b0\u1ee3c l\u01b0u chuy\u1ec3n, chia s\u1ebb v\u00e0 x\u1eed l\u00fd \u0111\u00fang l\u00fac. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi chung l\u00e0 <\/span><a title=\"Data Transfer\" href=\"https:\/\/technest.com.vn\/vi\/data-transfer\/\"><b>Data Transfer<\/b><\/a><span style=\"font-weight: 400;\">. D\u00f9 b\u1ea1n \u0111ang g\u1eedi m\u1ed9t email, xem video tr\u00ean YouTube hay qu\u1ea3n l\u00fd m\u1ed9t h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7 kh\u1ed5ng l\u1ed3, m\u1ecdi ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec1u d\u1ef1a tr\u00ean n\u1ec1n t\u1ea3ng c\u1ee7a vi\u1ec7c truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o t\u00ecm hi\u1ec3u c\u00e1c giao th\u1ee9c, ph\u01b0\u01a1ng th\u1ee9c v\u00e0 nh\u1eefng l\u01b0u \u00fd quan tr\u1ecdng \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh n\u00e0y.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/technest.com.vn\/vi\/data-transfer\/#Data_Transfer_la_gi\" >Data Transfer l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/technest.com.vn\/vi\/data-transfer\/#Cac_giao_thuc_Data_Transfer_pho_bien\" >C\u00e1c giao th\u1ee9c Data Transfer ph\u1ed5 bi\u1ebfn<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/technest.com.vn\/vi\/data-transfer\/#Truyen_du_lieu_qua_cap_mang\" >Truy\u1ec1n d\u1eef li\u1ec7u qua c\u00e1p m\u1ea1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/technest.com.vn\/vi\/data-transfer\/#Truyen_du_lieu_qua_song_vo_tuyen\" >Truy\u1ec1n d\u1eef li\u1ec7u qua s\u00f3ng v\u00f4 tuy\u1ebfn<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/technest.com.vn\/vi\/data-transfer\/#Truyen_du_lieu_qua_Internet\" >Truy\u1ec1n d\u1eef li\u1ec7u qua Internet<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/technest.com.vn\/vi\/data-transfer\/#Cach_thuc_truyen_tai_du_lieu\" >C\u00e1ch th\u1ee9c truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/technest.com.vn\/vi\/data-transfer\/#Truyen_du_lieu_thu_cong\" >Truy\u1ec1n d\u1eef li\u1ec7u th\u1ee7 c\u00f4ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/technest.com.vn\/vi\/data-transfer\/#Truyen_du_lieu_tu_dong\" >Truy\u1ec1n d\u1eef li\u1ec7u t\u1ef1 \u0111\u1ed9ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/technest.com.vn\/vi\/data-transfer\/#Server_voi_Data_Transfer_khong_gioi_han_la_gi\" >Server v\u1edbi Data Transfer kh\u00f4ng gi\u1edbi h\u1ea1n l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/technest.com.vn\/vi\/data-transfer\/#Cach_chon_Server_phu_hop_voi_Data_Transfer\" >C\u00e1ch ch\u1ecdn Server ph\u00f9 h\u1ee3p v\u1edbi Data Transfer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/technest.com.vn\/vi\/data-transfer\/#Nhung_luu_y_khi_thuc_hien_Data_Transfer\" >Nh\u1eefng l\u01b0u \u00fd khi th\u1ef1c hi\u1ec7n Data Transfer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/technest.com.vn\/vi\/data-transfer\/#Cau_hoi_thuong_gap_ve_Data_Transfer\" >C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Data Transfer<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Data_Transfer_la_gi\"><\/span><b>Data Transfer l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><b>Data Transfer<\/b><span style=\"font-weight: 400;\"> (truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u) l\u00e0 qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n th\u00f4ng tin k\u1ef9 thu\u1eadt s\u1ed1 t\u1eeb m\u1ed9t \u0111\u1ecba \u0111i\u1ec3m n\u00e0y sang \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c th\u00f4ng qua c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn. \u0110i\u1ec3m \u0111\u1ea7u v\u00e0 \u0111i\u1ec3m cu\u1ed1i c\u1ee7a qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 l\u00e0 c\u00e1c m\u00e1y t\u00ednh c\u00e1 nh\u00e2n, m\u00e1y ch\u1ee7 (server), thi\u1ebft b\u1ecb di \u0111\u1ed9ng, ho\u1eb7c c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y.<\/span><\/p>\n<figure id=\"attachment_4250\" aria-describedby=\"caption-attachment-4250\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4250 size-full\" title=\"Data Transfer l\u00e0 g\u00ec?\" src=\"https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/04\/data-transfer-1.jpg\" alt=\"Data Transfer l\u00e0 g\u00ec?\" width=\"600\" height=\"400\" srcset=\"https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/04\/data-transfer-1.jpg 600w, https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/04\/data-transfer-1-300x200.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-4250\" class=\"wp-caption-text\">Data Transfer l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">D\u1eef li\u1ec7u khi truy\u1ec1n \u0111i th\u01b0\u1eddng \u0111\u01b0\u1ee3c chia nh\u1ecf th\u00e0nh c\u00e1c g\u00f3i (packets) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 to\u00e0n v\u1eb9n. T\u1ed1c \u0111\u1ed9 c\u1ee7a qu\u00e1 tr\u00ecnh n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o b\u0103ng th\u00f4ng (bandwidth), \u0111\u1ed9 tr\u1ec5 (latency) v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c giao th\u1ee9c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Trong m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p, Data Transfer kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 vi\u1ec7c copy file m\u00e0 c\u00f2n bao g\u1ed3m vi\u1ec7c \u0111\u1ed3ng b\u1ed9 h\u00f3a d\u1eef li\u1ec7u gi\u1eefa c\u00e1c chi nh\u00e1nh, sao l\u01b0u d\u1ef1 ph\u00f2ng (backup) v\u00e0 chuy\u1ec3n d\u1ecbch d\u1eef li\u1ec7u l\u00ean Cloud \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed v\u1eadn h\u00e0nh.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac_giao_thuc_Data_Transfer_pho_bien\"><\/span><b>C\u00e1c giao th\u1ee9c Data Transfer ph\u1ed5 bi\u1ebfn<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 vi\u1ec7c truy\u1ec1n t\u1ea3i di\u1ec5n ra su\u00f4n s\u1ebb, c\u00e1c thi\u1ebft b\u1ecb c\u1ea7n m\u1ed9t &#8220;ng\u00f4n ng\u1eef chung&#8221; \u0111\u1ec3 hi\u1ec3u nhau, \u0111\u00f3 ch\u00ednh l\u00e0 c\u00e1c giao th\u1ee9c. T\u00f9y thu\u1ed9c v\u00e0o m\u00f4i tr\u01b0\u1eddng v\u1eadt l\u00fd v\u00e0 kho\u1ea3ng c\u00e1ch, ch\u00fang ta c\u00f3 c\u00e1c nh\u00f3m giao th\u1ee9c v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn kh\u00e1c nhau t\u1eeb h\u1eefu tuy\u1ebfn \u0111\u1ebfn v\u00f4 tuy\u1ebfn.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Truyen_du_lieu_qua_cap_mang\"><\/span><b>Truy\u1ec1n d\u1eef li\u1ec7u qua c\u00e1p m\u1ea1ng<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng th\u1ee9c truy\u1ec1n t\u1ea3i truy\u1ec1n th\u1ed1ng v\u00e0 \u1ed5n \u0111\u1ecbnh nh\u1ea5t. S\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i c\u00e1p v\u1eadt l\u00fd nh\u01b0 c\u00e1p \u0111\u1ed3ng xo\u1eafn \u0111\u00f4i (Ethernet), c\u00e1p quang (Fiber Optic) ho\u1eb7c c\u00e1p \u0111\u1ed3ng tr\u1ee5c.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ethernet:<\/b><span style=\"font-weight: 400;\"> Ph\u1ed5 bi\u1ebfn trong c\u00e1c m\u1ea1ng n\u1ed9i b\u1ed9 (LAN), cho ph\u00e9p truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u v\u1edbi t\u1ed1c \u0111\u1ed9 t\u1eeb 1Gbps \u0111\u1ebfn 10Gbps.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>C\u00e1p quang:<\/b><span style=\"font-weight: 400;\"> S\u1eed d\u1ee5ng \u00e1nh s\u00e1ng \u0111\u1ec3 truy\u1ec1n t\u00edn hi\u1ec7u, mang l\u1ea1i t\u1ed1c \u0111\u1ed9 c\u1ef1c cao v\u00e0 kh\u1ea3 n\u0103ng truy\u1ec1n \u0111i xa m\u00e0 kh\u00f4ng b\u1ecb suy hao t\u00edn hi\u1ec7u hay nhi\u1ec5u \u0111i\u1ec7n t\u1eeb. \u0110\u00e2y l\u00e0 x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a h\u1ea1 t\u1ea7ng Internet to\u00e0n c\u1ea7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u01afu \u0111i\u1ec3m:<\/b><span style=\"font-weight: 400;\"> \u0110\u1ed9 b\u1ea3o m\u1eadt cao, t\u1ed1c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh, \u00edt ch\u1ecbu t\u00e1c \u0111\u1ed9ng t\u1eeb m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i.<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Truyen_du_lieu_qua_song_vo_tuyen\"><\/span><b>Truy\u1ec1n d\u1eef li\u1ec7u qua s\u00f3ng v\u00f4 tuy\u1ebfn<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">S\u1ef1 b\u00f9ng n\u1ed5 c\u1ee7a thi\u1ebft b\u1ecb di \u0111\u1ed9ng \u0111\u00e3 th\u00fac \u0111\u1ea9y c\u00e1c giao th\u1ee9c truy\u1ec1n t\u1ea3i kh\u00f4ng d\u00e2y (Wireless Data Transfer). Ph\u01b0\u01a1ng th\u1ee9c n\u00e0y mang l\u1ea1i s\u1ef1 linh ho\u1ea1t t\u1ed1i \u0111a khi kh\u00f4ng c\u1ea7n d\u00e2y d\u1eabn r\u01b0\u1eddm r\u00e0.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Wi-Fi (IEEE 802.11):<\/b><span style=\"font-weight: 400;\"> S\u1eed d\u1ee5ng s\u00f3ng v\u00f4 tuy\u1ebfn \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb trong ph\u1ea1m vi h\u1eb9p nh\u01b0 v\u0103n ph\u00f2ng, nh\u00e0 \u1edf. C\u00e1c chu\u1ea9n m\u1edbi nh\u01b0 Wi-Fi 6, Wi-Fi 7 \u0111ang d\u1ea7n thu h\u1eb9p kho\u1ea3ng c\u00e1ch t\u1ed1c \u0111\u1ed9 v\u1edbi m\u1ea1ng c\u00f3 d\u00e2y.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Bluetooth:<\/b><span style=\"font-weight: 400;\"> Th\u01b0\u1eddng d\u00f9ng cho c\u00e1c truy\u1ec1n t\u1ea3i kho\u1ea3ng c\u00e1ch ng\u1eafn (d\u01b0\u1edbi 10m) gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n nh\u01b0 \u0111i\u1ec7n tho\u1ea1i, tai nghe, chu\u1ed9t kh\u00f4ng d\u00e2y.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>M\u1ea1ng di \u0111\u1ed9ng (4G\/5G):<\/b><span style=\"font-weight: 400;\"> Cho ph\u00e9p Data Transfer \u1edf quy m\u00f4 r\u1ed9ng l\u1edbn, gi\u00fap con ng\u01b0\u1eddi duy tr\u00ec k\u1ebft n\u1ed1i ngay c\u1ea3 khi \u0111ang di chuy\u1ec3n.<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Truyen_du_lieu_qua_Internet\"><\/span><b>Truy\u1ec1n d\u1eef li\u1ec7u qua Internet<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 h\u00ecnh th\u1ee9c ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay, s\u1eed d\u1ee5ng b\u1ed9 giao th\u1ee9c <strong><a title=\"TCP\/IP\" href=\"https:\/\/vi.wikipedia.org\/wiki\/TCP\/IP\" target=\"_blank\" rel=\"nofollow noopener\">TCP\/IP<\/a><\/strong> \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn d\u1eef li\u1ec7u tr\u00ean ph\u1ea1m vi to\u00e0n c\u1ea7u.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>HTTP\/HTTPS:<\/b><span style=\"font-weight: 400;\"> Giao th\u1ee9c n\u1ec1n t\u1ea3ng c\u1ee7a World Wide Web, d\u00f9ng \u0111\u1ec3 truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u gi\u1eefa tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>FTP (File Transfer Protocol):<\/b><span style=\"font-weight: 400;\"> M\u1ed9t giao th\u1ee9c chuy\u00ean d\u1ee5ng \u0111\u1ec3 g\u1eedi v\u00e0 nh\u1eadn c\u00e1c t\u1eadp tin l\u1edbn gi\u1eefa c\u00e1c m\u00e1y t\u00ednh. Hi\u1ec7n nay, SFTP (Secure FTP) \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u01a1n nh\u1edd t\u00ednh n\u0103ng m\u00e3 h\u00f3a b\u1ea3o m\u1eadt.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>API (Application Programming Interface):<\/b><span style=\"font-weight: 400;\"> C\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7n \u0111\u1ea1i s\u1eed d\u1ee5ng API (REST, SOAP) \u0111\u1ec3 trao \u0111\u1ed5i d\u1eef li\u1ec7u JSON ho\u1eb7c XML m\u1ed9t c\u00e1ch t\u1ef1 \u0111\u1ed9ng v\u00e0 li\u00ean t\u1ee5c.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cach_thuc_truyen_tai_du_lieu\"><\/span><b>C\u00e1ch th\u1ee9c truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">D\u1ef1a tr\u00ean m\u1ee9c \u0111\u1ed9 can thi\u1ec7p c\u1ee7a con ng\u01b0\u1eddi v\u00e0 k\u1ecbch b\u1ea3n s\u1eed d\u1ee5ng, Data Transfer c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh hai ph\u01b0\u01a1ng th\u1ee9c ch\u00ednh: th\u1ee7 c\u00f4ng v\u00e0 t\u1ef1 \u0111\u1ed9ng. Vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng th\u1ee9c n\u00e0o ph\u1ee5 thu\u1ed9c v\u00e0o kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u v\u00e0 t\u1ea7n su\u1ea5t th\u1ef1c hi\u1ec7n.<\/span><\/p>\n<figure id=\"attachment_4251\" aria-describedby=\"caption-attachment-4251\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4251 size-full\" title=\"C\u00e1ch th\u1ee9c truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u\" src=\"https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/04\/data-transfer-2.jpg\" alt=\"C\u00e1ch th\u1ee9c truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u\" width=\"600\" height=\"400\" srcset=\"https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/04\/data-transfer-2.jpg 600w, https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/04\/data-transfer-2-300x200.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-4251\" class=\"wp-caption-text\">C\u00e1ch th\u1ee9c truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Truyen_du_lieu_thu_cong\"><\/span><b>Truy\u1ec1n d\u1eef li\u1ec7u th\u1ee7 c\u00f4ng<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Truy\u1ec1n d\u1eef li\u1ec7u th\u1ee7 c\u00f4ng l\u00e0 qu\u00e1 tr\u00ecnh y\u00eau c\u1ea7u s\u1ef1 thao t\u00e1c tr\u1ef1c ti\u1ebfp c\u1ee7a ng\u01b0\u1eddi d\u00f9ng t\u1ea1i m\u1ed7i th\u1eddi \u0111i\u1ec3m truy\u1ec1n t\u1ea3i.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>V\u00ed d\u1ee5:<\/b><span style=\"font-weight: 400;\"> Copy d\u1eef li\u1ec7u v\u00e0o USB, \u1ed5 c\u1ee9ng di \u0111\u1ed9ng, ho\u1eb7c k\u00e9o th\u1ea3 file l\u00ean c\u00e1c d\u1ecbch v\u1ee5 nh\u01b0 Google Drive, Dropbox b\u1eb1ng tay.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110\u1eb7c \u0111i\u1ec3m:<\/b><span style=\"font-weight: 400;\"> Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u1ec7p tin nh\u1ecf, kh\u00f4ng th\u01b0\u1eddng xuy\u00ean ho\u1eb7c khi c\u1ea7n ki\u1ec3m so\u00e1t k\u1ef9 l\u01b0\u1ee1ng t\u1eebng t\u1eadp tin tr\u01b0\u1edbc khi g\u1eedi. Tuy nhi\u00ean, ph\u01b0\u01a1ng th\u1ee9c n\u00e0y d\u1ec5 g\u00e2y ra sai s\u00f3t (qu\u00ean g\u1eedi, g\u1eedi nh\u1ea7m phi\u00ean b\u1ea3n) v\u00e0 t\u1ed1n th\u1eddi gian n\u1ebfu kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn.<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Truyen_du_lieu_tu_dong\"><\/span><b>Truy\u1ec1n d\u1eef li\u1ec7u t\u1ef1 \u0111\u1ed9ng<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Trong c\u00e1c h\u1ec7 th\u1ed1ng l\u1edbn, t\u00ednh t\u1ef1 \u0111\u1ed9ng h\u00f3a l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u lu\u00f4n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt v\u00e0 s\u1eb5n s\u00e0ng.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>C\u01a1 ch\u1ebf:<\/b><span style=\"font-weight: 400;\"> S\u1eed d\u1ee5ng c\u00e1c script (k\u1ecbch b\u1ea3n m\u00e3 l\u1ec7nh), ph\u1ea7n m\u1ec1m \u0111\u1ed3ng b\u1ed9 ho\u1eb7c c\u00e1c ti\u1ebfn tr\u00ecnh ch\u1ea1y ng\u1ea7m (cron jobs) \u0111\u1ec3 \u0111\u1ea9y ho\u1eb7c k\u00e9o d\u1eef li\u1ec7u theo l\u1ecbch tr\u00ecnh \u0111\u1ecbnh s\u1eb5n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u1ee8ng d\u1ee5ng:<\/b><span style=\"font-weight: 400;\"> Sao l\u01b0u d\u1eef li\u1ec7u h\u00e0ng \u0111\u00eam t\u1eeb m\u00e1y ch\u1ee7 v\u1ec1 trung t\u00e2m l\u01b0u tr\u1eef, \u0111\u1ed3ng b\u1ed9 h\u00f3a d\u1eef li\u1ec7u gi\u1eefa c\u00e1c Node trong h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n, ho\u1eb7c truy\u1ec1n d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c (streaming) trong c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ee9ng kho\u00e1n, m\u1ea1ng x\u00e3 h\u1ed9i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u01afu \u0111i\u1ec3m:<\/b><span style=\"font-weight: 400;\"> Gi\u1ea3m thi\u1ec3u sai s\u00f3t do con ng\u01b0\u1eddi, ti\u1ebft ki\u1ec7m ngu\u1ed3n l\u1ef1c v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh li\u00ean t\u1ee5c c\u1ee7a kinh doanh.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Server_voi_Data_Transfer_khong_gioi_han_la_gi\"><\/span><b>Server v\u1edbi Data Transfer kh\u00f4ng gi\u1edbi h\u1ea1n l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Khi thu\u00ea Hosting, VPS ho\u1eb7c Dedicated Server, b\u1ea1n th\u01b0\u1eddng th\u1ea5y th\u00f4ng s\u1ed1 &#8220;Data Transfer&#8221; (hay c\u00f2n g\u1ecdi l\u00e0 Bandwidth h\u00e0ng th\u00e1ng). <\/span><b>Server v\u1edbi Data Transfer kh\u00f4ng gi\u1edbi h\u1ea1n<\/b><span style=\"font-weight: 400;\"> (Unlimited Data Transfer) l\u00e0 lo\u1ea1i d\u1ecbch v\u1ee5 m\u00e0 nh\u00e0 cung c\u1ea5p kh\u00f4ng gi\u1edbi h\u1ea1n t\u1ed5ng dung l\u01b0\u1ee3ng d\u1eef li\u1ec7u b\u1ea1n c\u00f3 th\u1ec3 g\u1eedi \u0111i v\u00e0 nh\u1eadn v\u1ec1 trong m\u1ed9t th\u00e1ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Th\u00f4ng th\u01b0\u1eddng, c\u00e1c nh\u00e0 cung c\u1ea5p s\u1ebd gi\u1edbi h\u1ea1n \u1edf m\u1ee9c 1TB, 5TB ho\u1eb7c 10TB. N\u1ebfu v\u01b0\u1ee3t qu\u00e1, trang web c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 b\u1ecb t\u1ea1m ng\u01b0ng ho\u1eb7c ph\u1ea3i tr\u1ea3 th\u00eam ph\u00ed ph\u00e1t sinh r\u1ea5t \u0111\u1eaft \u0111\u1ecf. V\u1edbi Server kh\u00f4ng gi\u1edbi h\u1ea1n, b\u1ea1n c\u00f3 th\u1ec3 tho\u1ea3i m\u00e1i ch\u1ea1y c\u00e1c \u1ee9ng d\u1ee5ng ti\u00eau t\u1ed1n nhi\u1ec1u t\u00e0i nguy\u00ean nh\u01b0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Website phim \u1ea3nh, video streaming.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c trang tin t\u1ee9c c\u00f3 l\u01b0\u1ee3ng truy c\u1eadp c\u1ef1c l\u1edbn.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u1ecbch v\u1ee5 t\u1ea3i xu\u1ed1ng ph\u1ea7n m\u1ec1m ho\u1eb7c l\u01b0u tr\u1eef file.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Tuy nhi\u00ean, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng &#8220;kh\u00f4ng gi\u1edbi h\u1ea1n&#8221; \u1edf \u0111\u00e2y th\u01b0\u1eddng \u0111i k\u00e8m v\u1edbi gi\u1edbi h\u1ea1n v\u1ec1 t\u1ed1c \u0111\u1ed9 c\u1ed5ng m\u1ea1ng (v\u00ed d\u1ee5: c\u1ed5ng 100Mbps ho\u1eb7c 1Gbps). B\u1ea1n c\u00f3 th\u1ec3 truy\u1ec1n bao nhi\u00eau t\u00f9y th\u00edch, nh\u01b0ng t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m v\u1eabn b\u1ecb kh\u1ed1ng ch\u1ebf b\u1edfi b\u0103ng th\u00f4ng v\u1eadt l\u00fd.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cach_chon_Server_phu_hop_voi_Data_Transfer\"><\/span><b>C\u00e1ch ch\u1ecdn Server ph\u00f9 h\u1ee3p v\u1edbi Data Transfer<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c ch\u1ecdn \u0111\u00fang c\u1ea5u h\u00ecnh Server kh\u00f4ng ch\u1ec9 gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng m\u01b0\u1ee3t m\u00e0. \u0110\u1eebng bao gi\u1edd ch\u1ecdn th\u1eeba qu\u00e1 nhi\u1ec1u ho\u1eb7c thi\u1ebfu h\u1ee5t qu\u00e1 m\u1ee9c.<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u01af\u1edbc t\u00ednh l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp:<\/b><span style=\"font-weight: 400;\"> B\u1ea1n c\u1ea7n bi\u1ebft trung b\u00ecnh m\u1ed9t th\u00e1ng c\u00f3 bao nhi\u00eau l\u01b0\u1ee3t truy c\u1eadp (Visits) v\u00e0 dung l\u01b0\u1ee3ng trung b\u00ecnh c\u1ee7a m\u1ed9t trang web (Page size). C\u00f4ng th\u1ee9c \u0111\u01a1n gi\u1ea3n: <\/span><b>T\u1ed5ng Data Transfer = S\u1ed1 l\u01b0\u1ee3t truy c\u1eadp x Dung l\u01b0\u1ee3ng trung b\u00ecnh trang x S\u1ed1 trang m\u1ed7i l\u01b0\u1ee3t<\/b><b>.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u00ednh to\u00e1n m\u1ee9c \u0111\u1ed9 t\u0103ng tr\u01b0\u1edfng:<\/b><span style=\"font-weight: 400;\"> \u0110\u1eebng ch\u1ec9 nh\u00ecn v\u00e0o con s\u1ed1 hi\u1ec7n t\u1ea1i. H\u00e3y ch\u1ecdn Server c\u00f3 m\u1ee9c Data Transfer cao h\u01a1n nhu c\u1ea7u th\u1ef1c t\u1ebf kho\u1ea3ng 20-30% \u0111\u1ec3 d\u1ef1 ph\u00f2ng cho c\u00e1c \u0111\u1ee3t cao \u0111i\u1ec3m ho\u1eb7c t\u0103ng tr\u01b0\u1edfng trong t\u01b0\u01a1ng lai.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>V\u1ecb tr\u00ed \u0111\u1ecba l\u00fd c\u1ee7a Server:<\/b><span style=\"font-weight: 400;\"> \u0110\u1ec3 Data Transfer di\u1ec5n ra nhanh nh\u1ea5t, h\u00e3y ch\u1ecdn Server \u0111\u1eb7t t\u1ea1i qu\u1ed1c gia ho\u1eb7c khu v\u1ef1c c\u00f3 nhi\u1ec1u kh\u00e1ch h\u00e0ng m\u1ee5c ti\u00eau nh\u1ea5t. V\u00ed d\u1ee5, kh\u00e1ch h\u00e0ng \u1edf Vi\u1ec7t Nam th\u00ec n\u00ean ch\u1ecdn Server \u0111\u1eb7t t\u1ea1i c\u00e1c Datacenter trong n\u01b0\u1edbc \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 tr\u1ec5.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u1ed1c \u0111\u1ed9 c\u1ed5ng m\u1ea1ng (Port speed):<\/b><span style=\"font-weight: 400;\"> N\u1ebfu b\u1ea1n ch\u1ea1y c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n t\u1ed1c \u0111\u1ed9 cao, h\u00e3y \u01b0u ti\u00ean c\u00e1c Server h\u1ed7 tr\u1ee3 c\u1ed5ng m\u1ea1ng 1Gbps tr\u1edf l\u00ean thay v\u00ec 100Mbps.<\/span><\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"Nhung_luu_y_khi_thuc_hien_Data_Transfer\"><\/span><b>Nh\u1eefng l\u01b0u \u00fd khi th\u1ef1c hi\u1ec7n Data Transfer<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u kh\u00f4ng ch\u1ec9 l\u00e0 \u0111\u01b0a file t\u1eeb A \u0111\u1ebfn B, m\u00e0 c\u00f2n l\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n, b\u1ea3o m\u1eadt v\u00e0 hi\u1ec7u qu\u1ea3. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng l\u01b0u \u00fd &#8220;v\u00e0ng&#8221; cho b\u1ea5t k\u1ef3 ai qu\u1ea3n tr\u1ecb d\u1eef li\u1ec7u.<\/span><\/p>\n<figure id=\"attachment_4252\" aria-describedby=\"caption-attachment-4252\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4252 size-full\" title=\"Nh\u1eefng l\u01b0u \u00fd khi th\u1ef1c hi\u1ec7n Data Transfer\" src=\"https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/04\/data-transfer-3.jpg\" alt=\"Nh\u1eefng l\u01b0u \u00fd khi th\u1ef1c hi\u1ec7n Data Transfer\" width=\"600\" height=\"400\" srcset=\"https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/04\/data-transfer-3.jpg 600w, https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/04\/data-transfer-3-300x200.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-4252\" class=\"wp-caption-text\">Nh\u1eefng l\u01b0u \u00fd khi th\u1ef1c hi\u1ec7n Data Transfer<\/figcaption><\/figure>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u1ea3o m\u1eadt l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u:<\/b><span style=\"font-weight: 400;\"> Lu\u00f4n s\u1eed d\u1ee5ng c\u00e1c giao th\u1ee9c c\u00f3 m\u00e3 h\u00f3a nh\u01b0 HTTPS, SFTP ho\u1eb7c VPN khi truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m qua m\u1ea1ng c\u00f4ng c\u1ed9ng. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng nghe l\u00e9n (Man-in-the-middle).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ki\u1ec3m tra t\u00ednh to\u00e0n v\u1eb9n:<\/b><span style=\"font-weight: 400;\"> Sau khi Data Transfer k\u1ebft th\u00fac, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng th\u1ee9c ki\u1ec3m tra m\u00e3 b\u0103m (checksum &#8211; MD5, SHA256) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u nh\u1eadn \u0111\u01b0\u1ee3c ho\u00e0n to\u00e0n tr\u00f9ng kh\u1edbp v\u1edbi b\u1ea3n g\u1ed1c, kh\u00f4ng b\u1ecb l\u1ed7i trong qu\u00e1 tr\u00ecnh truy\u1ec1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>N\u00e9n d\u1eef li\u1ec7u:<\/b><span style=\"font-weight: 400;\"> \u0110\u1ed1i v\u1edbi c\u00e1c t\u1ec7p tin l\u1edbn, vi\u1ec7c n\u00e9n (zip, rar, gzip) tr\u01b0\u1edbc khi truy\u1ec1n s\u1ebd gi\u00fap gi\u1ea3m dung l\u01b0\u1ee3ng, t\u1eeb \u0111\u00f3 ti\u1ebft ki\u1ec7m b\u0103ng th\u00f4ng v\u00e0 r\u00fat ng\u1eafn th\u1eddi gian truy\u1ec1n t\u1ea3i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Qu\u1ea3n l\u00fd b\u0103ng th\u00f4ng:<\/b><span style=\"font-weight: 400;\"> Tr\u00e1nh th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 Data Transfer kh\u1ed5ng l\u1ed3 v\u00e0o gi\u1edd cao \u0111i\u1ec3m \u0111\u1ec3 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng chung c\u1ee7a h\u1ec7 th\u1ed1ng. H\u00e3y t\u1eadn d\u1ee5ng th\u1eddi gian ban \u0111\u00eam \u0111\u1ec3 \u0111\u1ed3ng b\u1ed9 d\u1eef li\u1ec7u.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cau_hoi_thuong_gap_ve_Data_Transfer\"><\/span><b>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Data Transfer<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 k\u1ebft th\u00fac b\u00e0i vi\u1ebft, ch\u00fang t\u00f4i xin gi\u1ea3i \u0111\u00e1p m\u1ed9t s\u1ed1 th\u1eafc m\u1eafc ph\u1ed5 bi\u1ebfn nh\u1ea5t m\u00e0 ng\u01b0\u1eddi d\u00f9ng th\u01b0\u1eddng g\u1eb7p ph\u1ea3i khi l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n d\u1eabn d\u1eef li\u1ec7u.<\/span><\/p>\n<ol>\n<li><b> Data Transfer v\u00e0 Bandwidth c\u00f3 kh\u00e1c nhau kh\u00f4ng?<\/b><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Th\u1ef1c t\u1ebf ch\u00fang c\u00f3 li\u00ean quan nh\u01b0ng kh\u00f4ng gi\u1ed1ng h\u1ec7t nhau. Bandwidth (b\u0103ng th\u00f4ng) l\u00e0 t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i t\u1ed1i \u0111a trong m\u1ed9t gi\u00e2y (gi\u1ed1ng nh\u01b0 \u0111\u1ed9 r\u1ed9ng c\u1ee7a con \u0111\u01b0\u1eddng), c\u00f2n Data Transfer l\u00e0 t\u1ed5ng l\u01b0\u1ee3ng d\u1eef li\u1ec7u \u0111\u00e3 th\u1ef1c hi\u1ec7n trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh (gi\u1ed1ng nh\u01b0 t\u1ed5ng l\u01b0\u1ee3ng xe \u0111\u00e3 \u0111i qua con \u0111\u01b0\u1eddng \u0111\u00f3 trong m\u1ed9t th\u00e1ng).<\/span><\/p>\n<ol start=\"2\">\n<li><b> T\u1ea1i sao t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u th\u1ef1c t\u1ebf l\u1ea1i th\u1ea5p h\u01a1n qu\u1ea3ng c\u00e1o?<\/b><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">C\u00f3 nhi\u1ec1u y\u1ebfu t\u1ed1 t\u00e1c \u0111\u1ed9ng: kho\u1ea3ng c\u00e1ch \u0111\u1ecba l\u00fd, ch\u1ea5t l\u01b0\u1ee3ng ph\u1ea7n c\u1ee9ng, s\u1ef1 t\u1eafc ngh\u1ebdn m\u1ea1ng, v\u00e0 c\u00e1c giao th\u1ee9c \u0111i\u1ec1u khi\u1ec3n (overhead). Ngo\u00e0i ra, c\u00e1c nh\u00e0 cung c\u1ea5p th\u01b0\u1eddng qu\u1ea3ng c\u00e1o t\u1ed1c \u0111\u1ed9 b\u1eb1ng Megabit (Mbps), trong khi c\u00e1c tr\u00ecnh t\u1ea3i v\u1ec1 hi\u1ec3n th\u1ecb b\u1eb1ng Megabyte (MB\/s). 1 Byte = 8 Bit, n\u00ean b\u1ea1n c\u1ea7n chia cho 8 \u0111\u1ec3 c\u00f3 con s\u1ed1 th\u1ef1c t\u1ebf.<\/span><\/p>\n<ol start=\"3\">\n<li><b> L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 Data Transfer gi\u1eefa hai Server?<\/b><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c giao th\u1ee9c h\u1ed7 tr\u1ee3 truy\u1ec1n t\u1ea3i \u0111a lu\u1ed3ng (multi-threading), t\u1ed1i \u01b0u h\u00f3a tham s\u1ed1 TCP tr\u00ean h\u1ec7 \u0111i\u1ec1u h\u00e0nh, ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c gi\u1ea3i ph\u00e1p t\u0103ng t\u1ed1c chuy\u00ean d\u1ee5ng nh\u01b0 CDN (Content Delivery Network).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n c\u00e1i nh\u00ecn s\u00e2u s\u1eafc v\u00e0 chi ti\u1ebft v\u1ec1 <\/span><b>Data Transfer<\/b><span style=\"font-weight: 400;\">. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c giao th\u1ee9c v\u00e0 c\u00e1ch th\u1ee9c v\u1eadn h\u00e0nh s\u1ebd gi\u00fap b\u1ea1n x\u00e2y d\u1ef1ng v\u00e0 qu\u1ea3n l\u00fd c\u00e1c h\u1ec7 th\u1ed1ng th\u00f4ng tin hi\u1ec7u qu\u1ea3, an to\u00e0n v\u00e0 t\u1ed1i \u01b0u chi ph\u00ed.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong k\u1ef7 nguy\u00ean s\u1ed1 h\u00f3a, gi\u00e1 tr\u1ecb c\u1ee7a d\u1eef li\u1ec7u ch\u1ec9 th\u1ef1c s\u1ef1 \u0111\u01b0\u1ee3c ph\u00e1t huy khi n\u00f3 \u0111\u01b0\u1ee3c l\u01b0u chuy\u1ec3n, chia s\u1ebb v\u00e0 x\u1eed l\u00fd \u0111\u00fang l\u00fac. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi chung l\u00e0 Data Transfer. D\u00f9 b\u1ea1n \u0111ang g\u1eedi m\u1ed9t email, xem video tr\u00ean YouTube hay qu\u1ea3n l\u00fd m\u1ed9t h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7<\/p>\n","protected":false},"author":1,"featured_media":4255,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/posts\/4249"}],"collection":[{"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/comments?post=4249"}],"version-history":[{"count":2,"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/posts\/4249\/revisions"}],"predecessor-version":[{"id":4257,"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/posts\/4249\/revisions\/4257"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/media\/4255"}],"wp:attachment":[{"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/media?parent=4249"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/categories?post=4249"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/tags?post=4249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}