{"id":4024,"date":"2026-04-25T00:00:32","date_gmt":"2026-04-24T17:00:32","guid":{"rendered":"https:\/\/technest.com.vn\/?p=4024"},"modified":"2026-04-22T14:40:48","modified_gmt":"2026-04-22T07:40:48","slug":"cloud-scalability","status":"publish","type":"post","link":"https:\/\/technest.com.vn\/vi\/cloud-scalability\/","title":{"rendered":"Cloud Scalability l\u00e0 g\u00ec? Vai tr\u00f2 trong h\u1ec7 th\u1ed1ng \u0111\u00e1m m\u00e2y"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Trong k\u1ef7 nguy\u00ean chuy\u1ec3n \u0111\u1ed5i s\u1ed1, d\u1eef li\u1ec7u v\u00e0 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp c\u1ee7a doanh nghi\u1ec7p kh\u00f4ng bao gi\u1edd \u0111\u1ee9ng y\u00ean. M\u1ed9t website b\u00e1n h\u00e0ng c\u00f3 th\u1ec3 \u0111\u00f3n nh\u1eadn l\u01b0\u1ee3ng truy c\u1eadp g\u1ea5p 10 l\u1ea7n v\u00e0o ng\u00e0y Black Friday, ho\u1eb7c m\u1ed9t \u1ee9ng d\u1ee5ng startup c\u00f3 th\u1ec3 b\u00f9ng n\u1ed5 ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 sau m\u1ed9t \u0111\u00eam. \u0110\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi nh\u1eefng bi\u1ebfn \u0111\u1ed9ng n\u00e0y m\u00e0 kh\u00f4ng l\u00e0m h\u1ec7 th\u1ed1ng b\u1ecb treo, <\/span><a title=\"Cloud Scalability\" href=\"https:\/\/technest.com.vn\/vi\/cloud-scalability\/\"><b>Cloud Scalability<\/b><\/a><span style=\"font-weight: 400;\"> (Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng \u0111\u00e1m m\u00e2y) \u0111\u00e3 tr\u1edf th\u00e0nh &#8220;x\u01b0\u01a1ng s\u1ed1ng&#8221; cho m\u1ecdi h\u1ea1 t\u1ea7ng IT hi\u1ec7n \u0111\u1ea1i. V\u1eady c\u1ee5 th\u1ec3 kh\u00e1i ni\u1ec7m n\u00e0y l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 l\u1ea1i quan tr\u1ecdng \u0111\u1ebfn th\u1ebf? H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u chi ti\u1ebft trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/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\/cloud-scalability\/#Cloud_Scalability_la_gi\" >Cloud Scalability 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\/cloud-scalability\/#Loi_ich_cua_Cloud_Scalability\" >L\u1ee3i \u00edch c\u1ee7a Cloud Scalability<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/technest.com.vn\/vi\/cloud-scalability\/#Cloud_Scalability_hoat_dong_nhu_the_nao\" >Cloud Scalability ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/technest.com.vn\/vi\/cloud-scalability\/#Cac_mo_hinh_Cloud_Scalability_pho_bien\" >C\u00e1c m\u00f4 h\u00ecnh Cloud Scalability 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-5\" href=\"https:\/\/technest.com.vn\/vi\/cloud-scalability\/#Vertical_Scaling_TangGiam_tai_nguyen_theo_chieu_doc\" >Vertical Scaling (T\u0103ng\/Gi\u1ea3m t\u00e0i nguy\u00ean theo chi\u1ec1u d\u1ecdc)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/technest.com.vn\/vi\/cloud-scalability\/#Horizontal_Scaling_Mo_rongThu_hep_theo_chieu_ngang\" >Horizontal Scaling (M\u1edf r\u1ed9ng\/Thu h\u1eb9p theo chi\u1ec1u ngang)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/technest.com.vn\/vi\/cloud-scalability\/#Diagonal_Scaling_Ket_hop_ca_hai_mo_hinh\" >Diagonal Scaling (K\u1ebft h\u1ee3p c\u1ea3 hai m\u00f4 h\u00ecnh)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/technest.com.vn\/vi\/cloud-scalability\/#Ung_dung_cua_Cloud_Scalability_trong_doanh_nghiep\" >\u1ee8ng d\u1ee5ng c\u1ee7a Cloud Scalability trong doanh nghi\u1ec7p<\/a><\/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\/cloud-scalability\/#So_sanh_Cloud_Scalability_va_Cloud_Elasticity\" >So s\u00e1nh Cloud Scalability v\u00e0 Cloud Elasticity<\/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\/cloud-scalability\/#Nhung_thach_thuc_khi_trien_khai_Cloud_Scalability\" >Nh\u1eefng th\u00e1ch th\u1ee9c khi tri\u1ec3n khai Cloud Scalability<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Cloud_Scalability_la_gi\"><\/span><b>Cloud Scalability l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><b>Cloud Scalability<\/b><span style=\"font-weight: 400;\"> \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y trong vi\u1ec7c t\u0103ng ho\u1eb7c gi\u1ea3m quy m\u00f4 t\u00e0i nguy\u00ean (nh\u01b0 CPU, RAM, dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef, b\u0103ng th\u00f4ng m\u1ea1ng) \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u thay \u0111\u1ed5i c\u1ee7a kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c. Kh\u00e1c v\u1edbi h\u1ea1 t\u1ea7ng v\u1eadt l\u00fd truy\u1ec1n th\u1ed1ng &#8211; n\u01a1i b\u1ea1n ph\u1ea3i mua th\u00eam server m\u1edbi v\u00e0 l\u1eafp \u0111\u1eb7t th\u1ee7 c\u00f4ng &#8211; kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng trong \u0111\u00e1m m\u00e2y di\u1ec5n ra nhanh ch\u00f3ng, linh ho\u1ea1t v\u00e0 th\u01b0\u1eddng mang t\u00ednh t\u1ef1 \u0111\u1ed9ng cao.<\/span><\/p>\n<figure id=\"attachment_4025\" aria-describedby=\"caption-attachment-4025\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4025 size-full\" title=\"Cloud Scalability l\u00e0 g\u00ec?\" src=\"https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/04\/cloud-scalability-1.png\" alt=\"Cloud Scalability l\u00e0 g\u00ec?\" width=\"600\" height=\"400\" srcset=\"https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/04\/cloud-scalability-1.png 600w, https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/04\/cloud-scalability-1-300x200.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-4025\" class=\"wp-caption-text\">Cloud Scalability l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">V\u1ec1 b\u1ea3n ch\u1ea5t, Cloud Scalability cho ph\u00e9p h\u1ec7 th\u1ed1ng &#8220;n\u1edf ra&#8221; khi c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec hi\u1ec7u su\u1ea5t v\u00e0 &#8220;thu l\u1ea1i&#8221; khi nhu c\u1ea7u gi\u1ea3m xu\u1ed1ng \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed. \u0110\u00e2y kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t t\u00ednh n\u0103ng k\u1ef9 thu\u1eadt m\u00e0 c\u00f2n l\u00e0 m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c kinh doanh gi\u00fap doanh nghi\u1ec7p duy tr\u00ec tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng li\u1ec1n m\u1ea1ch b\u1ea5t k\u1ec3 \u00e1p l\u1ef1c t\u1ea3i l\u00ean h\u1ec7 th\u1ed1ng l\u1edbn \u0111\u1ebfn m\u1ee9c n\u00e0o.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Loi_ich_cua_Cloud_Scalability\"><\/span><b>L\u1ee3i \u00edch c\u1ee7a Cloud Scalability<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c tri\u1ec3n khai m\u1ed9t h\u1ec7 th\u1ed1ng c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng mang l\u1ea1i nh\u1eefng gi\u00e1 tr\u1ecb v\u01b0\u1ee3t xa kh\u1ecfi kh\u00eda c\u1ea1nh h\u1ea1 t\u1ea7ng k\u1ef9 thu\u1eadt \u0111\u01a1n thu\u1ea7n. N\u00f3 t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 s\u1ed1ng c\u00f2n v\u00e0 kh\u1ea3 n\u0103ng c\u1ea1nh tranh c\u1ee7a doanh nghi\u1ec7p tr\u00ean th\u1ecb tr\u01b0\u1eddng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng l\u1ee3i \u00edch c\u1ed1t l\u00f5i m\u00e0 Cloud Scalability mang l\u1ea1i:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ti\u1ebft ki\u1ec7m chi ph\u00ed (Cost-Efficiency):<\/b><span style=\"font-weight: 400;\"> V\u1edbi m\u00f4 h\u00ecnh &#8220;pay-as-you-go&#8221; c\u1ee7a c\u00e1c nh\u00e0 cung c\u1ea5p \u0111\u00e1m m\u00e2y (AWS, Azure, Google Cloud), b\u1ea1n ch\u1ec9 tr\u1ea3 ti\u1ec1n cho nh\u1eefng g\u00ec th\u1ef1c s\u1ef1 s\u1eed d\u1ee5ng. Thay v\u00ec \u0111\u1ea7u t\u01b0 h\u00e0ng t\u1ef7 \u0111\u1ed3ng v\u00e0o ph\u1ea7n c\u1ee9ng d\u1ef1 ph\u00f2ng, b\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3i ph\u00f3ng ng\u00e2n s\u00e1ch cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng s\u00e1ng t\u1ea1o kh\u00e1c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh:<\/b><span style=\"font-weight: 400;\"> Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng \u0111\u1ea3m b\u1ea3o r\u1eb1ng ngay c\u1ea3 khi l\u01b0\u1ee3ng truy c\u1eadp t\u0103ng \u0111\u1ed9t bi\u1ebfn, \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n v\u1eabn ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0, kh\u00f4ng gi\u1eadt lag hay s\u1eadp ngu\u1ed3n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u1ed1c \u0111\u1ed9 tri\u1ec3n khai (Agility):<\/b><span style=\"font-weight: 400;\"> Vi\u1ec7c n\u00e2ng c\u1ea5p t\u00e0i nguy\u00ean ch\u1ec9 m\u1ea5t v\u00e0i ph\u00fat ho\u1eb7c v\u00e0i gi\u00e2y th\u00f4ng qua v\u00e0i c\u00fa click chu\u1ed9t ho\u1eb7c m\u00e3 l\u1ec7nh (Infrastructure as Code), gi\u00fap doanh nghi\u1ec7p ph\u1ea3n \u1ee9ng t\u1ee9c th\u00ec v\u1edbi c\u01a1 h\u1ed9i th\u1ecb tr\u01b0\u1eddng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110\u1ed9 tin c\u1eady v\u00e0 Kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ed7i:<\/b><span style=\"font-weight: 400;\"> C\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng th\u01b0\u1eddng \u0111i k\u00e8m v\u1edbi t\u00ednh n\u0103ng d\u1ef1 ph\u00f2ng cao, gi\u00fap gi\u1ea3m thi\u1ec3u r\u1ee7i ro gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5.<\/span><\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"Cloud_Scalability_hoat_dong_nhu_the_nao\"><\/span><b>Cloud Scalability ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 hi\u1ec3u c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Cloud Scalability, ch\u00fang ta c\u1ea7n nh\u00ecn v\u00e0o s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd \u0111\u00e1m m\u00e2y v\u00e0 h\u1ea1 t\u1ea7ng \u1ea3o h\u00f3a. Khi c\u00e1c c\u1ea3m bi\u1ebfn gi\u00e1m s\u00e1t (monitoring tools) nh\u1eadn th\u1ea5y t\u00e0i nguy\u00ean \u0111ang ch\u1ea1m ng\u01b0\u1ee1ng (v\u00ed d\u1ee5 CPU \u0111\u1ea1t 80%), h\u1ec7 th\u1ed1ng s\u1ebd k\u00edch ho\u1ea1t c\u00e1c giao th\u1ee9c m\u1edf r\u1ed9ng \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh s\u1eb5n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Qu\u00e1 tr\u00ecnh n\u00e0y d\u1ef1a tr\u00ean c\u00f4ng ngh\u1ec7 \u1ea3o h\u00f3a (Virtualization). Thay v\u00ec b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi m\u1ed9t th\u00f9ng m\u00e1y v\u1eadt l\u00fd, c\u00e1c m\u00e1y \u1ea3o (VM) ho\u1eb7c Container (nh\u01b0 Docker) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e1t th\u00eam t\u00e0i nguy\u00ean t\u1eeb &#8220;b\u1ec3&#8221; t\u00e0i nguy\u00ean chung (Resource Pool) c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5. S\u1ef1 linh ho\u1ea1t n\u00e0y \u0111\u01b0\u1ee3c \u0111i\u1ec1u ph\u1ed1i b\u1edfi c\u00e1c b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i (Load Balancers) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ecdi y\u00eau c\u1ea7u t\u1eeb ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i \u0111\u1ec1u \u0111\u1ebfn c\u00e1c t\u00e0i nguy\u00ean m\u1edbi \u0111\u01b0\u1ee3c th\u00eam v\u00e0o.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac_mo_hinh_Cloud_Scalability_pho_bien\"><\/span><b>C\u00e1c m\u00f4 h\u00ecnh Cloud Scalability ph\u1ed5 bi\u1ebfn<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">T\u00f9y thu\u1ed9c v\u00e0o ki\u1ebfn tr\u00fac c\u1ee7a \u1ee9ng d\u1ee5ng v\u00e0 m\u1ee5c ti\u00eau c\u1ee7a doanh nghi\u1ec7p, ch\u00fang ta c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn c\u00e1c ph\u01b0\u01a1ng th\u1ee9c m\u1edf r\u1ed9ng kh\u00e1c nhau. M\u1ed7i m\u00f4 h\u00ecnh \u0111\u1ec1u c\u00f3 \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang, ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng b\u00e0i to\u00e1n c\u1ee5 th\u1ec3.<\/span><\/p>\n<figure id=\"attachment_4026\" aria-describedby=\"caption-attachment-4026\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4026 size-full\" title=\"C\u00e1c m\u00f4 h\u00ecnh Cloud Scalability ph\u1ed5 bi\u1ebfn\" src=\"https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/04\/cloud-scalability-2.png\" alt=\"C\u00e1c m\u00f4 h\u00ecnh Cloud Scalability ph\u1ed5 bi\u1ebfn\" width=\"600\" height=\"400\" srcset=\"https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/04\/cloud-scalability-2.png 600w, https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/04\/cloud-scalability-2-300x200.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-4026\" class=\"wp-caption-text\">C\u00e1c m\u00f4 h\u00ecnh Cloud Scalability ph\u1ed5 bi\u1ebfn<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Vertical_Scaling_TangGiam_tai_nguyen_theo_chieu_doc\"><\/span><b>Vertical Scaling (T\u0103ng\/Gi\u1ea3m t\u00e0i nguy\u00ean theo chi\u1ec1u d\u1ecdc)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Vertical Scaling, hay c\u00f2n g\u1ecdi l\u00e0 &#8220;Scaling Up&#8221;, l\u00e0 qu\u00e1 tr\u00ecnh th\u00eam nhi\u1ec1u s\u1ee9c m\u1ea1nh h\u01a1n v\u00e0o m\u1ed9t th\u1ef1c th\u1ec3 (node) hi\u1ec7n c\u00f3. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng b\u1ea1n n\u00e2ng c\u1ea5p chi\u1ebfc m\u00e1y t\u00ednh c\u1ee7a m\u00ecnh b\u1eb1ng c\u00e1ch l\u1eafp th\u00eam RAM ho\u1eb7c thay m\u1ed9t CPU m\u1ea1nh h\u01a1n.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong \u0111\u00e1m m\u00e2y, \u0111i\u1ec1u n\u00e0y \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i t\u1eeb m\u1ed9t g\u00f3i server nh\u1ecf l\u00ean m\u1ed9t g\u00f3i server c\u1ea5u h\u00ecnh cao h\u01a1n. \u01afu \u0111i\u1ec3m c\u1ee7a n\u00f3 l\u00e0 t\u00ednh \u0111\u01a1n gi\u1ea3n, kh\u00f4ng y\u00eau c\u1ea7u thay \u0111\u1ed5i m\u00e3 ngu\u1ed3n \u1ee9ng d\u1ee5ng nhi\u1ec1u, nh\u01b0ng nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 lu\u00f4n c\u00f3 m\u1ed9t &#8220;tr\u1ea7n&#8221; gi\u1edbi h\u1ea1n ph\u1ea7n c\u1ee9ng v\u00e0 th\u01b0\u1eddng \u0111\u00f2i h\u1ecfi th\u1eddi gian downtime ng\u1eafn \u0111\u1ec3 n\u00e2ng c\u1ea5p.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Horizontal_Scaling_Mo_rongThu_hep_theo_chieu_ngang\"><\/span><b>Horizontal Scaling (M\u1edf r\u1ed9ng\/Thu h\u1eb9p theo chi\u1ec1u ngang)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Horizontal Scaling, hay &#8220;Scaling Out&#8221;, l\u00e0 vi\u1ec7c th\u00eam nhi\u1ec1u m\u00e1y m\u00e1y \u1ea3o ho\u1eb7c server v\u00e0o h\u1ec7 th\u1ed1ng hi\u1ec7n c\u00f3. Thay v\u00ec n\u00e2ng c\u1ea5p m\u1ed9t chi\u1ebfc m\u00e1y th\u1eadt m\u1ea1nh, b\u1ea1n s\u1eed d\u1ee5ng h\u00e0ng ch\u1ee5c, h\u00e0ng tr\u0103m chi\u1ebfc m\u00e1y ch\u1ea1y song song. \u0110\u00e2y l\u00e0 m\u00f4 h\u00ecnh \u0111\u01b0\u1ee3c c\u00e1c &#8220;\u00f4ng l\u1edbn&#8221; nh\u01b0 Netflix hay Facebook \u01b0a chu\u1ed9ng v\u00ec n\u00f3 g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n v\u1ec1 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Khi k\u1ebft h\u1ee3p v\u1edbi <a title=\"Load Balancer\" href=\"https:\/\/en.wikipedia.org\/wiki\/Load_balancing_(computing)\" target=\"_blank\" rel=\"nofollow noopener\"><strong>Load Balancer<\/strong><\/a>, Horizontal Scaling mang l\u1ea1i \u0111\u1ed9 tin c\u1eady tuy\u1ec7t \u0111\u1ed1i: n\u1ebfu m\u1ed9t m\u00e1y h\u1ecfng, c\u00e1c m\u00e1y kh\u00e1c v\u1eabn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. Tuy nhi\u00ean, n\u00f3 \u0111\u00f2i h\u1ecfi \u1ee9ng d\u1ee5ng ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf theo ki\u1ebfn tr\u00fac Microservices ho\u1eb7c Stateless.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Diagonal_Scaling_Ket_hop_ca_hai_mo_hinh\"><\/span><b>Diagonal Scaling (K\u1ebft h\u1ee3p c\u1ea3 hai m\u00f4 h\u00ecnh)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Diagonal Scaling l\u00e0 m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn linh ho\u1ea1t, k\u1ebft h\u1ee3p c\u1ea3 hai m\u00f4 h\u00ecnh tr\u00ean. Trong m\u00f4 h\u00ecnh n\u00e0y, doanh nghi\u1ec7p s\u1ebd t\u0103ng c\u1ea5u h\u00ecnh cho c\u00e1c m\u00e1y hi\u1ec7n t\u1ea1i \u0111\u1ebfn m\u1ed9t ng\u01b0\u1ee1ng nh\u1ea5t \u0111\u1ecbnh (Vertical), sau \u0111\u00f3 m\u1edbi b\u1eaft \u0111\u1ea7u th\u00eam c\u00e1c m\u00e1y m\u1edbi (Horizontal) khi nhu c\u1ea7u ti\u1ebfp t\u1ee5c t\u0103ng cao.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y gi\u00fap t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed v\u1eadn h\u00e0nh v\u00e0 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng lu\u00f4n \u1edf tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng nh\u1ea5t gi\u1eefa hi\u1ec7u n\u0103ng v\u00e0 ng\u00e2n s\u00e1ch.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ung_dung_cua_Cloud_Scalability_trong_doanh_nghiep\"><\/span><b>\u1ee8ng d\u1ee5ng c\u1ee7a Cloud Scalability trong doanh nghi\u1ec7p<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng kh\u00f4ng ch\u1ec9 d\u00e0nh cho c\u00e1c c\u00f4ng ty c\u00f4ng ngh\u1ec7. M\u1ecdi ng\u00e0nh ngh\u1ec1 t\u1eeb b\u00e1n l\u1ebb, t\u00e0i ch\u00ednh \u0111\u1ebfn y t\u1ebf \u0111\u1ec1u \u0111ang t\u1eadn d\u1ee5ng Cloud Scalability \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c b\u00e0i to\u00e1n \u0111\u1eb7c th\u00f9 c\u1ee7a m\u00ecnh.<\/span><\/p>\n<figure id=\"attachment_4027\" aria-describedby=\"caption-attachment-4027\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4027 size-full\" title=\"\u1ee8ng d\u1ee5ng c\u1ee7a Cloud Scalability trong doanh nghi\u1ec7p\" src=\"https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/04\/cloud-scalability-3.png\" alt=\"\u1ee8ng d\u1ee5ng c\u1ee7a Cloud Scalability trong doanh nghi\u1ec7p\" width=\"600\" height=\"400\" srcset=\"https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/04\/cloud-scalability-3.png 600w, https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/04\/cloud-scalability-3-300x200.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-4027\" class=\"wp-caption-text\">\u1ee8ng d\u1ee5ng c\u1ee7a Cloud Scalability trong doanh nghi\u1ec7p<\/figcaption><\/figure>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed:<\/b><span style=\"font-weight: 400;\"> X\u1eed l\u00fd c\u00e1c \u0111\u1ee3t Flash Sale, l\u1ec5 T\u1ebft khi l\u01b0\u1ee3ng truy c\u1eadp t\u0103ng v\u1ecdt h\u00e0ng tr\u0103m l\u1ea7n so v\u1edbi ng\u00e0y th\u01b0\u1eddng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ng\u00e0nh Media &amp; Streaming:<\/b><span style=\"font-weight: 400;\"> C\u00e1c n\u1ec1n t\u1ea3ng xem phim tr\u1ef1c tuy\u1ebfn c\u1ea7n m\u1edf r\u1ed9ng b\u0103ng th\u00f4ng v\u00e0 dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef c\u1ef1c l\u1edbn khi c\u00f3 m\u1ed9t b\u1ed9 phim &#8220;bom t\u1ea5n&#8221; ra m\u1eaft.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Startup v\u00e0 Ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m:<\/b><span style=\"font-weight: 400;\"> Cho ph\u00e9p c\u00e1c c\u00f4ng ty b\u1eaft \u0111\u1ea7u v\u1edbi quy m\u00f4 nh\u1ecf (\u0111\u1ec3 ti\u1ebft ki\u1ec7m v\u1ed1n) v\u00e0 l\u1edbn m\u1ea1nh d\u1ea7n theo s\u1ed1 l\u01b0\u1ee3ng kh\u00e1ch h\u00e0ng m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i x\u00e2y d\u1ef1ng l\u1ea1i h\u1ea1 t\u1ea7ng t\u1eeb \u0111\u1ea7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>X\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn (Big Data):<\/b><span style=\"font-weight: 400;\"> Khi c\u1ea7n ph\u00e2n t\u00edch h\u00e0ng Terabyte d\u1eef li\u1ec7u trong th\u1eddi gian ng\u1eafn, doanh nghi\u1ec7p c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng h\u00e0ng tr\u0103m node t\u00ednh to\u00e1n v\u00e0 t\u1eaft ch\u00fang \u0111i ngay sau khi ho\u00e0n th\u00e0nh \u0111\u1ec3 ti\u1ebft ki\u1ec7m.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"So_sanh_Cloud_Scalability_va_Cloud_Elasticity\"><\/span><b>So s\u00e1nh Cloud Scalability v\u00e0 Cloud Elasticity<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Trong th\u1ebf gi\u1edbi \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y, hai kh\u00e1i ni\u1ec7m Scalability v\u00e0 Elasticity th\u01b0\u1eddng b\u1ecb nh\u1ea7m l\u1eabn v\u1edbi nhau. D\u00f9 c\u00f3 li\u00ean quan m\u1eadt thi\u1ebft, ch\u00fang \u0111\u1ea1i di\u1ec7n cho hai kh\u00eda c\u1ea1nh kh\u00e1c nhau c\u1ee7a kh\u1ea3 n\u0103ng qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean.<\/span><br \/>\n<!-- Responsive styled table --><\/p>\n<div style=\"overflow-x: auto;\">\n<table style=\"border-collapse: collapse; width: 100%; font-family: Arial, Helvetica, sans-serif; font-size: 15px; min-width: 720px;\" role=\"table\" border=\"1\" cellspacing=\"0\" cellpadding=\"10\" aria-label=\"Cloud Scalability vs Cloud Elasticity\">\n<thead style=\"background-color: #f2f2f2;\">\n<tr>\n<th style=\"width: 28%; text-align: center;\" scope=\"col\">Ti\u00eau ch\u00ed<\/th>\n<th style=\"width: 36%; text-align: center;\" scope=\"col\">Cloud Scalability<br \/>\n(Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng)<\/th>\n<th style=\"text-align: center;\" scope=\"col\">Cloud Elasticity<br \/>\n(T\u00ednh \u0111\u00e0n h\u1ed3i)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background-color: #ffffff;\">\n<td><strong>M\u1ee5c ti\u00eau ch\u00ednh<\/strong><\/td>\n<td>\u0110\u00e1p \u1ee9ng nhu c\u1ea7u t\u0103ng tr\u01b0\u1edfng trong <strong>d\u00e0i h\u1ea1n<\/strong>.<\/td>\n<td>Th\u00edch \u1ee9ng v\u1edbi bi\u1ebfn \u0111\u1ed9ng <strong>t\u1ee9c th\u1eddi<\/strong> trong ng\u1eafn h\u1ea1n.<\/td>\n<\/tr>\n<tr style=\"background-color: #fafafa;\">\n<td><strong>T\u00ednh ch\u1ea5t<\/strong><\/td>\n<td>Mang t\u00ednh <strong>chi\u1ebfn l\u01b0\u1ee3c<\/strong>, c\u00f3 k\u1ebf ho\u1ea1ch d\u1ef1 t\u00ednh tr\u01b0\u1edbc.<\/td>\n<td>Mang t\u00ednh <strong>t\u1ef1 \u0111\u1ed9ng<\/strong>, co gi\u00e3n theo th\u1ef1c t\u1ebf.<\/td>\n<\/tr>\n<tr style=\"background-color: #ffffff;\">\n<td><strong>C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng<\/strong><\/td>\n<td>T\u0103ng\/gi\u1ea3m t\u00e0i nguy\u00ean \u0111\u1ec3 gi\u1eef hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh khi quy m\u00f4 l\u1edbn d\u1ea7n.<\/td>\n<td>Co gi\u00e3n li\u00ean t\u1ee5c nh\u01b0 &#8220;s\u1ee3i d\u00e2y thun&#8221; theo t\u1eebng ph\u00fat, t\u1eebng gi\u1edd.<\/td>\n<\/tr>\n<tr style=\"background-color: #fafafa;\">\n<td><strong>V\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh<\/strong><\/td>\n<td>N\u00e2ng c\u1ea5p h\u1ec7 th\u1ed1ng \u0111\u1ec3 ph\u1ee5c v\u1ee5 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng t\u0103ng g\u1ea5p \u0111\u00f4i v\u00e0o n\u0103m t\u1edbi.<\/td>\n<td>T\u1ef1 \u0111\u1ed9ng th\u00eam server khi c\u00f3 \u0111\u1ee3t Flash Sale v\u00e0 gi\u1ea3m ngay khi h\u1ebft kh\u00e1ch.<\/td>\n<\/tr>\n<tr style=\"background-color: #ffffff;\">\n<td><strong>B\u1ea3n ch\u1ea5t<\/strong><\/td>\n<td>L\u00e0 v\u1ec1 <strong>kh\u1ea3 n\u0103ng ch\u1ee9a \u0111\u1ef1ng<\/strong>.<\/td>\n<td>L\u00e0 v\u1ec1 <strong>s\u1ef1 th\u00edch nghi nhanh ch\u00f3ng<\/strong>.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Nhung_thach_thuc_khi_trien_khai_Cloud_Scalability\"><\/span><b>Nh\u1eefng th\u00e1ch th\u1ee9c khi tri\u1ec3n khai Cloud Scalability<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">M\u1eb7c d\u00f9 mang l\u1ea1i l\u1ee3i \u00edch to l\u1edbn, nh\u01b0ng vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c Cloud Scalability ho\u00e0n h\u1ea3o kh\u00f4ng ph\u1ea3i l\u00e0 \u0111i\u1ec1u d\u1ec5 d\u00e0ng. C\u00e1c doanh nghi\u1ec7p th\u01b0\u1eddng g\u1eb7p ph\u1ea3i nh\u1eefng r\u00e0o c\u1ea3n k\u1ef9 thu\u1eadt v\u00e0 qu\u1ea3n l\u00fd c\u1ea7n \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n k\u1ef9 l\u01b0\u1ee1ng.<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>S\u1ef1 ph\u1ee9c t\u1ea1p trong ki\u1ebfn tr\u00fac:<\/b><span style=\"font-weight: 400;\"> \u0110\u1ec3 m\u1edf r\u1ed9ng theo chi\u1ec1u ngang (Horizontal), \u1ee9ng d\u1ee5ng ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u00e1ch bi\u1ec7t (decoupled). N\u1ebfu \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n l\u00e0 m\u1ed9t kh\u1ed1i kh\u1ed5ng l\u1ed3 (Monolithic), vi\u1ec7c m\u1edf r\u1ed9ng s\u1ebd c\u1ef1c k\u1ef3 kh\u00f3 kh\u0103n v\u00e0 t\u1ed1n k\u00e9m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110\u1ed3ng b\u1ed9 h\u00f3a d\u1eef li\u1ec7u:<\/b><span style=\"font-weight: 400;\"> Khi b\u1ea1n c\u00f3 nhi\u1ec1u server ch\u1ea1y song song, vi\u1ec7c \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u nh\u1ea5t qu\u00e1n gi\u1eefa t\u1ea5t c\u1ea3 c\u00e1c node l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c l\u1edbn, \u0111\u1eb7c bi\u1ec7t v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7 (RDBMS).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Chi ph\u00ed ngo\u00e0i t\u1ea7m ki\u1ec3m so\u00e1t:<\/b><span style=\"font-weight: 400;\"> N\u1ebfu kh\u00f4ng thi\u1ebft l\u1eadp c\u00e1c ng\u01b0\u1ee1ng gi\u1edbi h\u1ea1n (Thresholds) cho vi\u1ec7c t\u1ef1 \u0111\u1ed9ng m\u1edf r\u1ed9ng, m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS ho\u1eb7c m\u1ed9t l\u1ed7i code v\u00f2ng l\u1eb7p c\u00f3 th\u1ec3 khi\u1ebfn h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng thu\u00ea th\u00eam h\u00e0ng ng\u00e0n server, d\u1eabn \u0111\u1ebfn h\u00f3a \u0111\u01a1n ti\u1ec1n \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y &#8220;kh\u1ed5ng l\u1ed3&#8221; v\u00e0o cu\u1ed1i th\u00e1ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>V\u1ea5n \u0111\u1ec1 b\u1ea3o m\u1eadt:<\/b><span style=\"font-weight: 400;\"> C\u00e0ng nhi\u1ec1u th\u1ef1c th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o ra, b\u1ec1 m\u1eb7t t\u1ea5n c\u00f4ng c\u00e0ng r\u1ed9ng. Vi\u1ec7c qu\u1ea3n l\u00fd danh t\u00ednh, quy\u1ec1n truy c\u1eadp v\u00e0 c\u1ea5u h\u00ecnh b\u1ea3o m\u1eadt tr\u00ean m\u1ed9t h\u1ec7 th\u1ed1ng quy m\u00f4 l\u1edbn \u0111\u00f2i h\u1ecfi c\u00e1c c\u00f4ng c\u1ee5 qu\u1ea3n tr\u1ecb chuy\u00ean s\u00e2u.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Cloud Scalability kh\u00f4ng c\u00f2n l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn xa x\u1ec9, m\u00e0 l\u00e0 m\u1ed9t y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 doanh nghi\u1ec7p n\u00e0o mu\u1ed1n t\u1ed3n t\u1ea1i v\u00e0 ph\u00e1t tri\u1ec3n trong m\u00f4i tr\u01b0\u1eddng s\u1ed1 \u0111\u1ea7y bi\u1ebfn \u0111\u1ed9ng. Hi\u1ec3u r\u00f5 c\u00e1c m\u00f4 h\u00ecnh m\u1edf r\u1ed9ng v\u00e0 bi\u1ebft c\u00e1ch \u00e1p d\u1ee5ng ch\u00fang m\u1ed9t c\u00e1ch th\u00f4ng minh s\u1ebd gi\u00fap b\u1ea1n t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t, ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 mang l\u1ea1i tr\u1ea3i nghi\u1ec7m t\u1ed1t nh\u1ea5t cho kh\u00e1ch h\u00e0ng.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong k\u1ef7 nguy\u00ean chuy\u1ec3n \u0111\u1ed5i s\u1ed1, d\u1eef li\u1ec7u v\u00e0 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp c\u1ee7a doanh nghi\u1ec7p kh\u00f4ng bao gi\u1edd \u0111\u1ee9ng y\u00ean. M\u1ed9t website b\u00e1n h\u00e0ng c\u00f3 th\u1ec3 \u0111\u00f3n nh\u1eadn l\u01b0\u1ee3ng truy c\u1eadp g\u1ea5p 10 l\u1ea7n v\u00e0o ng\u00e0y Black Friday, ho\u1eb7c m\u1ed9t \u1ee9ng d\u1ee5ng startup c\u00f3 th\u1ec3 b\u00f9ng n\u1ed5 ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 sau m\u1ed9t \u0111\u00eam. \u0110\u1ec3<\/p>\n","protected":false},"author":1,"featured_media":4030,"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\/4024"}],"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=4024"}],"version-history":[{"count":2,"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/posts\/4024\/revisions"}],"predecessor-version":[{"id":4032,"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/posts\/4024\/revisions\/4032"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/media\/4030"}],"wp:attachment":[{"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/media?parent=4024"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/categories?post=4024"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/tags?post=4024"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}