{"id":3757,"date":"2026-03-28T00:00:46","date_gmt":"2026-03-27T17:00:46","guid":{"rendered":"https:\/\/technest.com.vn\/?p=3757"},"modified":"2026-03-23T16:25:49","modified_gmt":"2026-03-23T09:25:49","slug":"public-cloud","status":"publish","type":"post","link":"https:\/\/technest.com.vn\/vi\/public-cloud\/","title":{"rendered":"\u01afu \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m khi d\u00f9ng Public Cloud"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Trong k\u1ef7 nguy\u00ean chuy\u1ec3n \u0111\u1ed5i s\u1ed1, <\/span><a title=\"Public Cloud\" href=\"https:\/\/technest.com.vn\/public-cloud\/\"><b>Public Cloud<\/b><\/a><span style=\"font-weight: 400;\"> \u0111\u00e3 tr\u1edf th\u00e0nh &#8220;x\u01b0\u01a1ng s\u1ed1ng&#8221; cho h\u1ea1 t\u1ea7ng c\u00f4ng ngh\u1ec7 c\u1ee7a h\u00e0ng tri\u1ec7u doanh nghi\u1ec7p t\u1eeb startup \u0111\u1ebfn c\u00e1c t\u1eadp \u0111o\u00e0n \u0111a qu\u1ed1c gia. Vi\u1ec7c hi\u1ec3u r\u00f5 b\u1ea3n ch\u1ea5t, c\u00e1ch v\u1eadn h\u00e0nh c\u0169ng nh\u01b0 nh\u1eefng l\u1ee3i th\u1ebf v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a m\u00f4 h\u00ecnh n\u00e0y l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed v\u00e0 hi\u1ec7u su\u1ea5t v\u1eadn h\u00e0nh. B\u00e0i vi\u1ebft n\u00e0y, <a title=\"TECHNEST\" href=\"https:\/\/technest.com.vn\/vi\/\" target=\"_blank\" rel=\"noopener\"><strong>TECHNEST<\/strong><\/a> s\u1ebd c\u00f9ng b\u1ea1n ph\u00e2n t\u00edch chi ti\u1ebft t\u1eeb kh\u00e1i ni\u1ec7m \u0111\u1ebfn c\u00e1c tr\u01b0\u1eddng h\u1ee3p th\u1ef1c t\u1ebf gi\u00fap b\u1ea1n c\u00f3 c\u00e1i nh\u00ecn to\u00e0n di\u1ec7n nh\u1ea5t.<\/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\/public-cloud\/#Public_Cloud_la_gi\" >Public Cloud 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\/public-cloud\/#Loi_ich_cua_dam_may_cong_cong\" >L\u1ee3i \u00edch c\u1ee7a \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng<\/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\/public-cloud\/#Uu_diem_noi_bat_cua_dam_may_cong_cong\" >\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng<\/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\/public-cloud\/#Cach_hoat_dong_cua_Public_Cloud\" >C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Public Cloud<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/technest.com.vn\/vi\/public-cloud\/#Cac_mo_hinh_dich_vu_tren_Public_Cloud\" >C\u00e1c m\u00f4 h\u00ecnh d\u1ecbch v\u1ee5 tr\u00ean Public Cloud<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/technest.com.vn\/vi\/public-cloud\/#Phan_mem_duoi_dang_dich_vu_SaaS\" >Ph\u1ea7n m\u1ec1m d\u01b0\u1edbi d\u1ea1ng d\u1ecbch v\u1ee5 (SaaS)<\/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\/public-cloud\/#Nen_tang_duoi_dang_dich_vu_PaaS\" >N\u1ec1n t\u1ea3ng d\u01b0\u1edbi d\u1ea1ng d\u1ecbch v\u1ee5 (PaaS)<\/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\/public-cloud\/#Co_so_ha_tang_duoi_dang_dich_vu_IaaS\" >C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng d\u01b0\u1edbi d\u1ea1ng d\u1ecbch v\u1ee5 (IaaS)<\/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\/public-cloud\/#So_sanh_Public_Cloud_Private_Cloud_va_Hybrid_Cloud\" >So s\u00e1nh Public Cloud, Private Cloud v\u00e0 Hybrid Cloud<\/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\/public-cloud\/#Truong_hop_su_dung_pho_bien_cua_dam_may_cong_cong\" >Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Public_Cloud_la_gi\"><\/span><b>Public Cloud l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><b>Public Cloud<\/b><span style=\"font-weight: 400;\"> (\u0110\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng) l\u00e0 m\u00f4 h\u00ecnh \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y m\u00e0 trong \u0111\u00f3 c\u00e1c t\u00e0i nguy\u00ean nh\u01b0 m\u00e1y ch\u1ee7, b\u1ed9 nh\u1edb, v\u00e0 \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c s\u1edf h\u1eefu v\u00e0 v\u1eadn h\u00e0nh b\u1edfi m\u1ed9t nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 b\u00ean th\u1ee9 ba. Nh\u1eefng t\u00e0i nguy\u00ean n\u00e0y \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i qua m\u1ea1ng internet v\u00e0 chia s\u1ebb gi\u1eefa nhi\u1ec1u t\u1ed5 ch\u1ee9c kh\u00e1c nhau (th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;multi-tenancy&#8221;).<\/span><\/p>\n<figure id=\"attachment_3758\" aria-describedby=\"caption-attachment-3758\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3758 size-full\" title=\"Public Cloud l\u00e0 g\u00ec?\" src=\"https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/03\/public-cloud-1.jpg\" alt=\"Public Cloud l\u00e0 g\u00ec?\" width=\"600\" height=\"400\" srcset=\"https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/03\/public-cloud-1.jpg 600w, https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/03\/public-cloud-1-300x200.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-3758\" class=\"wp-caption-text\">Public Cloud l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Kh\u00e1c v\u1edbi vi\u1ec7c b\u1ea1n ph\u1ea3i t\u1ef1 mua s\u1eafm ph\u1ea7n c\u1ee9ng v\u00e0 \u0111\u1eb7t t\u1ea1i v\u0103n ph\u00f2ng, v\u1edbi \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng, b\u1ea1n &#8220;thu\u00ea&#8221; kh\u00f4ng gian v\u00e0 n\u0103ng su\u1ea5t t\u00ednh to\u00e1n t\u1eeb nh\u1eefng g\u00e3 kh\u1ed5ng l\u1ed3 c\u00f4ng ngh\u1ec7. M\u1ecdi chi ph\u00ed b\u1ea3o tr\u00ec, n\u00e2ng c\u1ea5p h\u1ea1 t\u1ea7ng \u0111\u1ec1u do nh\u00e0 cung c\u1ea5p ch\u1ecbu tr\u00e1ch nhi\u1ec7m, gi\u00fap doanh nghi\u1ec7p t\u1eadp trung ho\u00e0n to\u00e0n v\u00e0o ho\u1ea1t \u0111\u1ed9ng kinh doanh c\u1ed1t l\u00f5i.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Loi_ich_cua_dam_may_cong_cong\"><\/span><b>L\u1ee3i \u00edch c\u1ee7a \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">S\u1ef1 b\u00f9ng n\u1ed5 c\u1ee7a <\/span><b>Public Cloud<\/b><span style=\"font-weight: 400;\"> kh\u00f4ng ph\u1ea3i ng\u1eabu nhi\u00ean. N\u00f3 mang l\u1ea1i nh\u1eefng gi\u00e1 tr\u1ecb v\u01b0\u1ee3t tr\u1ed9i v\u1ec1 m\u1eb7t linh ho\u1ea1t m\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7 v\u1eadt l\u00fd truy\u1ec1n th\u1ed1ng (On-premise) kh\u00f4ng th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c trong th\u1eddi gian ng\u1eafn.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng l\u1ee3i \u00edch c\u1ed1t l\u00f5i:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u (CAPEX):<\/b><span style=\"font-weight: 400;\"> Doanh nghi\u1ec7p kh\u00f4ng c\u1ea7n b\u1ecf ra m\u1ed9t kho\u1ea3n ti\u1ec1n l\u1edbn \u0111\u1ec3 mua m\u00e1y ch\u1ee7, x\u00e2y d\u1ef1ng ph\u00f2ng datacenter hay h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t. Thay v\u00e0o \u0111\u00f3, b\u1ea1n chuy\u1ec3n sang m\u00f4 h\u00ecnh chi ph\u00ed v\u1eadn h\u00e0nh (OPEX).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00f4 h\u1ea1n:<\/b><span style=\"font-weight: 400;\"> B\u1ea1n c\u00f3 th\u1ec3 t\u0103ng g\u1ea5p \u0111\u00f4i dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef ho\u1eb7c n\u0103ng l\u1ef1c x\u1eed l\u00fd ch\u1ec9 trong v\u00e0i c\u00fa click chu\u1ed9t khi l\u01b0\u1ee3ng truy c\u1eadp t\u0103ng \u0111\u1ed9t bi\u1ebfn v\u00e0 gi\u1ea3m xu\u1ed1ng khi kh\u00f4ng c\u00f2n nhu c\u1ea7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110\u1ed9 tin c\u1eady cao:<\/b><span style=\"font-weight: 400;\"> V\u1edbi m\u1ea1ng l\u01b0\u1edbi m\u00e1y ch\u1ee7 r\u1ed9ng kh\u1eafp to\u00e0n c\u1ea7u, c\u00e1c nh\u00e0 cung c\u1ea5p \u0111\u1ea3m b\u1ea3o th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng (uptime) g\u1ea7n nh\u01b0 tuy\u1ec7t \u0111\u1ed1i, 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=\"Uu_diem_noi_bat_cua_dam_may_cong_cong\"><\/span><b>\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Khi \u0111i s\u00e2u v\u00e0o k\u1ef9 thu\u1eadt v\u00e0 qu\u1ea3n tr\u1ecb, \u01b0u \u0111i\u1ec3m c\u1ee7a <\/span><b>Public Cloud<\/b><span style=\"font-weight: 400;\"> th\u1ec3 hi\u1ec7n r\u00f5 qua t\u00ednh s\u1eb5n s\u00e0ng v\u00e0 s\u1ef1 ti\u1ec7n l\u1ee3i. \u0110\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p l\u00fd t\u01b0\u1edfng cho nh\u1eefng doanh nghi\u1ec7p mu\u1ed1n t\u1ed1c \u0111\u1ed9 \u0111i \u0111\u00f4i v\u1edbi hi\u1ec7u qu\u1ea3.<\/span><\/p>\n<figure id=\"attachment_3759\" aria-describedby=\"caption-attachment-3759\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3759\" src=\"https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/03\/public-cloud-2.jpg\" alt=\"\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng\" width=\"600\" height=\"400\" srcset=\"https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/03\/public-cloud-2.jpg 600w, https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/03\/public-cloud-2-300x200.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-3759\" class=\"wp-caption-text\">\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng<\/figcaption><\/figure>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Tri\u1ec3n khai nhanh ch\u00f3ng:<\/b><span style=\"font-weight: 400;\"> Ch\u1ec9 m\u1ea5t v\u00e0i ph\u00fat \u0111\u1ec3 thi\u1ebft l\u1eadp m\u1ed9t m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c ph\u1ee9c t\u1ea1p, gi\u00fap r\u00fat ng\u1eafn th\u1eddi gian \u0111\u01b0a s\u1ea3n ph\u1ea9m ra th\u1ecb tr\u01b0\u1eddng (Time-to-market).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Kh\u00f4ng c\u1ea7n b\u1ea3o tr\u00ec ph\u1ea7n c\u1ee9ng:<\/b><span style=\"font-weight: 400;\"> Nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 ch\u1ecbu tr\u00e1ch nhi\u1ec7m c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m, v\u00e1 l\u1ed7i b\u1ea3o m\u1eadt t\u1ea7ng v\u1eadt l\u00fd v\u00e0 thay th\u1ebf linh ki\u1ec7n h\u1ecfng h\u00f3c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Thanh to\u00e1n theo m\u1ee9c s\u1eed d\u1ee5ng (Pay-as-you-go):<\/b><span style=\"font-weight: 400;\"> B\u1ea1n d\u00f9ng bao nhi\u00eau tr\u1ea3 b\u1ea5y nhi\u00eau, lo\u1ea1i b\u1ecf t\u00ecnh tr\u1ea1ng l\u00e3ng ph\u00ed t\u00e0i nguy\u00ean khi m\u00e1y ch\u1ee7 ch\u1ea1y kh\u00f4ng t\u1ea3i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>C\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn:<\/b><span style=\"font-weight: 400;\"> Ng\u01b0\u1eddi d\u00f9ng ti\u1ebfp c\u1eadn ngay l\u1eadp t\u1ee9c v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi nh\u1ea5t nh\u01b0 <strong>AI, Machine Learning, Big Data<\/strong> m\u00e0 kh\u00f4ng c\u1ea7n t\u1ef1 x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cach_hoat_dong_cua_Public_Cloud\"><\/span><b>C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Public Cloud<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">V\u1ec1 c\u01a1 b\u1ea3n, <\/span><b>Public Cloud<\/b><span style=\"font-weight: 400;\"> ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean c\u00f4ng ngh\u1ec7 \u1ea3o h\u00f3a. Nh\u00e0 cung c\u1ea5p x\u00e2y d\u1ef1ng c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3, sau \u0111\u00f3 s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m \u0111\u1ec3 chia nh\u1ecf m\u1ed9t m\u00e1y ch\u1ee7 v\u1eadt l\u00fd th\u00e0nh nhi\u1ec1u <strong><a title=\"m\u00e1y ch\u1ee7 \u1ea3o\" href=\"https:\/\/vi.wikipedia.org\/wiki\/M%C3%A1y_ch%E1%BB%A7_%E1%BA%A3o\" target=\"_blank\" rel=\"nofollow noopener\">m\u00e1y ch\u1ee7 \u1ea3o<\/a> (Virtual Machines)<\/strong>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed7i kh\u00e1ch h\u00e0ng s\u1ebd \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e1t m\u1ed9t kh\u00f4ng gian ri\u00eang bi\u1ec7t, d\u00f9 h\u1ecd \u0111ang d\u00f9ng chung h\u1ea1 t\u1ea7ng ph\u1ea7n c\u1ee9ng v\u1edbi h\u00e0ng ngh\u00ecn kh\u00e1ch h\u00e0ng kh\u00e1c. M\u1ecdi t\u01b0\u01a1ng t\u00e1c, qu\u1ea3n l\u00fd \u0111\u1ec1u th\u00f4ng qua m\u1ed9t giao di\u1ec7n web ho\u1eb7c API. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh ri\u00eang t\u01b0 d\u1eef li\u1ec7u trong khi v\u1eabn t\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t quy m\u00f4 l\u1edbn c\u1ee7a nh\u00e0 cung c\u1ea5p.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac_mo_hinh_dich_vu_tren_Public_Cloud\"><\/span><b>C\u00e1c m\u00f4 h\u00ecnh d\u1ecbch v\u1ee5 tr\u00ean Public Cloud<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">T\u00f9y v\u00e0o nhu c\u1ea7u qu\u1ea3n tr\u1ecb v\u00e0 k\u1ef9 thu\u1eadt, doanh nghi\u1ec7p c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn c\u00e1c c\u1ea5p \u0111\u1ed9 d\u1ecbch v\u1ee5 kh\u00e1c nhau tr\u00ean <\/span><b>Public Cloud<\/b><span style=\"font-weight: 400;\">. M\u1ed7i m\u00f4 h\u00ecnh s\u1ebd ph\u00e2n chia tr\u00e1ch nhi\u1ec7m gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 nh\u00e0 cung c\u1ea5p theo c\u00e1c m\u1ee9c \u0111\u1ed9 t\u1eeb &#8220;thu\u00ea tr\u1ecdn g\u00f3i&#8221; \u0111\u1ebfn &#8220;thu\u00ea n\u1ec1n t\u1ea3ng&#8221;.<\/span><\/p>\n<figure id=\"attachment_3760\" aria-describedby=\"caption-attachment-3760\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3760\" src=\"https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/03\/public-cloud-3.jpg\" alt=\"C\u00e1c m\u00f4 h\u00ecnh d\u1ecbch v\u1ee5 tr\u00ean Public Cloud\" width=\"600\" height=\"400\" srcset=\"https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/03\/public-cloud-3.jpg 600w, https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/03\/public-cloud-3-300x200.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-3760\" class=\"wp-caption-text\">C\u00e1c m\u00f4 h\u00ecnh d\u1ecbch v\u1ee5 tr\u00ean Public Cloud<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Phan_mem_duoi_dang_dich_vu_SaaS\"><\/span><b>Ph\u1ea7n m\u1ec1m d\u01b0\u1edbi d\u1ea1ng d\u1ecbch v\u1ee5 (SaaS)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 m\u00f4 h\u00ecnh ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u1edbi ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i. B\u1ea1n ch\u1ec9 c\u1ea7n \u0111\u0103ng nh\u1eadp v\u00e0 s\u1eed d\u1ee5ng \u1ee9ng d\u1ee5ng qua tr\u00ecnh duy\u1ec7t web. Nh\u00e0 cung c\u1ea5p qu\u1ea3n l\u00fd m\u1ecdi th\u1ee9 t\u1eeb h\u1ea1 t\u1ea7ng, b\u1ea3o m\u1eadt \u0111\u1ebfn c\u1eadp nh\u1eadt t\u00ednh n\u0103ng. V\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh l\u00e0 Google Workspace, Microsoft 365 ho\u1eb7c Salesforce.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Nen_tang_duoi_dang_dich_vu_PaaS\"><\/span><b>N\u1ec1n t\u1ea3ng d\u01b0\u1edbi d\u1ea1ng d\u1ecbch v\u1ee5 (PaaS)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">PaaS cung c\u1ea5p m\u1ed9t m\u00f4i tr\u01b0\u1eddng ho\u00e0n ch\u1ec9nh \u0111\u1ec3 c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean ph\u00e1t tri\u1ec3n, th\u1eed nghi\u1ec7m v\u00e0 qu\u1ea3n l\u00fd \u1ee9ng d\u1ee5ng m\u00e0 kh\u00f4ng c\u1ea7n lo l\u1eafng v\u1ec1 h\u1ec7 \u0111i\u1ec1u h\u00e0nh hay m\u00e1y ch\u1ee7 b\u00ean d\u01b0\u1edbi. C\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Google App Engine hay Heroku gi\u00fap \u0111\u1ed9i ng\u0169 dev t\u1eadp trung ho\u00e0n to\u00e0n v\u00e0o vi\u1ec7c vi\u1ebft code.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Co_so_ha_tang_duoi_dang_dich_vu_IaaS\"><\/span><b>C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng d\u01b0\u1edbi d\u1ea1ng d\u1ecbch v\u1ee5 (IaaS)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">IaaS l\u00e0 m\u1ee9c \u0111\u1ed9 c\u01a1 b\u1ea3n nh\u1ea5t, cung c\u1ea5p t\u00e0i nguy\u00ean th\u00f4 nh\u01b0 m\u00e1y ch\u1ee7 \u1ea3o, m\u1ea1ng v\u00e0 l\u01b0u tr\u1eef. Doanh nghi\u1ec7p c\u00f3 to\u00e0n quy\u1ec1n ki\u1ec3m so\u00e1t h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u00e0i \u0111\u1eb7t tr\u00ean \u0111\u00f3. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn linh ho\u1ea1t nh\u1ea5t, ti\u00eau bi\u1ec3u l\u00e0 AWS EC2 ho\u1eb7c Microsoft Azure Virtual Machines.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"So_sanh_Public_Cloud_Private_Cloud_va_Hybrid_Cloud\"><\/span><b>So s\u00e1nh Public Cloud, Private Cloud v\u00e0 Hybrid Cloud<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh ph\u00f9 h\u1ee3p, ch\u00fang ta c\u1ea7n \u0111\u1eb7t <\/span><b>Public Cloud<\/b><span style=\"font-weight: 400;\"> l\u00ean b\u00e0n c\u00e2n c\u00f9ng v\u1edbi Private Cloud v\u00e0 Hybrid Cloud. M\u1ed7i lo\u1ea1i h\u00ecnh \u0111\u1ec1u c\u00f3 &#8220;v\u00f9ng \u0111\u1ea5t&#8221; ri\u00eang \u0111\u1ec3 t\u1ecfa s\u00e1ng t\u00f9y theo y\u00eau c\u1ea7u b\u1ea3o m\u1eadt v\u00e0 ng\u00e2n s\u00e1ch.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>\u0110\u1eb7c \u0111i\u1ec3m<\/b><\/td>\n<td><b>Public Cloud<\/b><\/td>\n<td><b>Private Cloud<\/b><\/td>\n<td><b>Hybrid Cloud<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Quy\u1ec1n s\u1edf h\u1eefu<\/b><\/td>\n<td><span style=\"font-weight: 400;\">B\u00ean th\u1ee9 ba (nh\u00e0 cung c\u1ea5p)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Doanh nghi\u1ec7p t\u1ef1 s\u1edf h\u1eefu<\/span><\/td>\n<td><span style=\"font-weight: 400;\">K\u1ebft h\u1ee3p c\u1ea3 hai<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>B\u1ea3o m\u1eadt<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00e1 (theo ti\u00eau chu\u1ea9n chung)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t cao (\u0111\u1eb7c th\u00f9)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Linh ho\u1ea1t t\u00f9y ph\u00e2n \u0111o\u1ea1n<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Chi ph\u00ed<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Th\u1ea5p, thanh to\u00e1n theo d\u00f9ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cao, chi ph\u00ed \u0111\u1ea7u t\u01b0 l\u1edbn<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Trung b\u00ecnh \u0111\u1ebfn cao<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Ki\u1ec3m so\u00e1t<\/b><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ea1n ch\u1ebf \u1edf t\u1ea7ng h\u1ea1 t\u1ea7ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">To\u00e0n quy\u1ec1n ki\u1ec3m so\u00e1t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m so\u00e1t m\u1ed9t ph\u1ea7n<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Private Cloud<\/b><span style=\"font-weight: 400;\"> th\u01b0\u1eddng d\u00e0nh cho c\u00e1c t\u1ed5 ch\u1ee9c t\u00e0i ch\u00ednh ho\u1eb7c ch\u00ednh ph\u1ee7 c\u1ea7n s\u1ef1 bi\u1ec7t l\u1eadp tuy\u1ec7t \u0111\u1ed1i. Trong khi \u0111\u00f3, <\/span><b>Hybrid Cloud<\/b><span style=\"font-weight: 400;\"> l\u00e0 xu h\u01b0\u1edbng hi\u1ec7n nay, cho ph\u00e9p d\u1ecbch chuy\u1ec3n d\u1eef li\u1ec7u linh ho\u1ea1t gi\u1eefa hai m\u00f4i tr\u01b0\u1eddng \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a c\u1ea3 t\u00ednh b\u1ea3o m\u1eadt l\u1eabn kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Truong_hop_su_dung_pho_bien_cua_dam_may_cong_cong\"><\/span><b>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Nh\u1edd t\u00ednh \u0111a d\u1ee5ng, <\/span><b>Public Cloud<\/b><span style=\"font-weight: 400;\"> \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong h\u1ea7u h\u1ebft c\u00e1c k\u1ecbch b\u1ea3n c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i. T\u1eeb nh\u1eefng vi\u1ec7c \u0111\u01a1n gi\u1ea3n nh\u01b0 l\u01b0u tr\u1eef c\u00e1 nh\u00e2n \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng x\u1eed l\u00fd d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p.<\/span><\/p>\n<figure id=\"attachment_3761\" aria-describedby=\"caption-attachment-3761\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3761 size-full\" title=\"Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng\" src=\"https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/03\/public-cloud-4.jpg\" alt=\"Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng\" width=\"600\" height=\"400\" srcset=\"https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/03\/public-cloud-4.jpg 600w, https:\/\/technest.com.vn\/wp-content\/uploads\/2026\/03\/public-cloud-4-300x200.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-3761\" class=\"wp-caption-text\">Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng<\/figcaption><\/figure>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>L\u01b0u tr\u1eef v\u00e0 Sao l\u01b0u (Backup &amp; Storage):<\/b><span style=\"font-weight: 400;\"> Tr\u00e1nh m\u1ea5t m\u00e1t d\u1eef li\u1ec7u do h\u1ecfng h\u00f3c ph\u1ea7n c\u1ee9ng t\u1ea1i ch\u1ed7 v\u1edbi chi ph\u00ed c\u1ef1c r\u1ebb.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ph\u00e1t tri\u1ec3n v\u00e0 Th\u1eed nghi\u1ec7m (Dev\/Test):<\/b><span style=\"font-weight: 400;\"> T\u1ea1o m\u00f4i tr\u01b0\u1eddng \u1ea3o nhanh ch\u00f3ng \u0111\u1ec3 test \u1ee9ng d\u1ee5ng r\u1ed3i x\u00f3a b\u1ecf ngay sau khi xong, tr\u00e1nh l\u00e3ng ph\u00ed.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>X\u1eed l\u00fd D\u1eef li\u1ec7u l\u1edbn (Big Data Analytics):<\/b><span style=\"font-weight: 400;\"> T\u1eadn d\u1ee5ng n\u0103ng su\u1ea5t t\u00ednh to\u00e1n c\u1ef1c l\u1edbn \u0111\u1ec3 ph\u00e2n t\u00edch h\u00e0nh vi kh\u00e1ch h\u00e0ng ho\u1eb7c d\u1ef1 b\u00e1o th\u1ecb tr\u01b0\u1eddng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>L\u01b0u tr\u1eef Website v\u00e0 Th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed:<\/b><span style=\"font-weight: 400;\"> Gi\u00fap website lu\u00f4n ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh k\u1ec3 c\u1ea3 trong nh\u1eefng \u0111\u1ee3t sale l\u1edbn v\u1edbi l\u01b0\u1ee3ng truy c\u1eadp t\u0103ng v\u1ecdt.<\/span><\/li>\n<\/ol>\n<p><b>Public Cloud<\/b><span style=\"font-weight: 400;\"> kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t xu h\u01b0\u1edbng m\u00e0 l\u00e0 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn t\u1ea5t y\u1ebfu c\u1ee7a c\u00f4ng ngh\u1ec7. D\u00f9 v\u1eabn c\u00f2n nh\u1eefng lo ng\u1ea1i v\u1ec1 t\u00ednh b\u1ea3o m\u1eadt hay s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o nh\u00e0 cung c\u1ea5p, nh\u01b0ng nh\u1eefng \u01b0u \u0111i\u1ec3m v\u1ec1 chi ph\u00ed v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng l\u00e0 kh\u00f4ng th\u1ec3 ph\u1ee7 nh\u1eadn. \u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft doanh nghi\u1ec7p hi\u1ec7n nay, vi\u1ec7c \u1ee9ng d\u1ee5ng \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng ch\u00ednh l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 duy tr\u00ec l\u1ee3i th\u1ebf c\u1ea1nh tranh trong cu\u1ed9c \u0111ua s\u1ed1.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong k\u1ef7 nguy\u00ean chuy\u1ec3n \u0111\u1ed5i s\u1ed1, Public Cloud \u0111\u00e3 tr\u1edf th\u00e0nh &#8220;x\u01b0\u01a1ng s\u1ed1ng&#8221; cho h\u1ea1 t\u1ea7ng c\u00f4ng ngh\u1ec7 c\u1ee7a h\u00e0ng tri\u1ec7u doanh nghi\u1ec7p t\u1eeb startup \u0111\u1ebfn c\u00e1c t\u1eadp \u0111o\u00e0n \u0111a qu\u1ed1c gia. Vi\u1ec7c hi\u1ec3u r\u00f5 b\u1ea3n ch\u1ea5t, c\u00e1ch v\u1eadn h\u00e0nh c\u0169ng nh\u01b0 nh\u1eefng l\u1ee3i th\u1ebf v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a m\u00f4 h\u00ecnh n\u00e0y l\u00e0 \u0111i\u1ec1u ki\u1ec7n<\/p>\n","protected":false},"author":1,"featured_media":3764,"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\/3757"}],"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=3757"}],"version-history":[{"count":5,"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/posts\/3757\/revisions"}],"predecessor-version":[{"id":3774,"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/posts\/3757\/revisions\/3774"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/media\/3764"}],"wp:attachment":[{"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/media?parent=3757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/categories?post=3757"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/technest.com.vn\/vi\/wp-json\/wp\/v2\/tags?post=3757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}