{"id":35841,"date":"2025-11-12T09:38:28","date_gmt":"2025-11-12T02:38:28","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=35841"},"modified":"2026-02-03T15:35:11","modified_gmt":"2026-02-03T08:35:11","slug":"vpc-la-gi","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/vpc-la-gi\/","title":{"rendered":"VPC (Virtual Private Cloud) L\u00e0 G\u00ec? Ki\u1ebfn Tr\u00fac &#038; \u1ee8ng D\u1ee5ng 2026"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed8I DUNG<\/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 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#Gioi-thieu\" >Gi\u1edbi thi\u1ec7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#VPC-La-Gi-Va-Tai-Sao-Doanh-Nghiep-Can-No\" >VPC L\u00e0 G\u00ec V\u00e0 T\u1ea1i Sao Doanh Nghi\u1ec7p C\u1ea7n N\u00f3?<\/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:\/\/interdata.vn\/blog\/vpc-la-gi\/#Khai-niem-cot-loi-cua-Virtual-Private-Cloud\" >Kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i c\u1ee7a Virtual Private Cloud<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#Tai-sao-doanh-nghiep-hien-dai-bat-buoc-phai-dung-VPC\" >T\u1ea1i sao doanh nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i b\u1eaft bu\u1ed9c ph\u1ea3i d\u00f9ng VPC?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#%F0%9F%92%A1Trien-Khai-Ha-Tang-Dam-May-An-Toan-Ngay-Hom-Nay\" >\ud83d\udca1Tri\u1ec3n Khai H\u1ea1 T\u1ea7ng \u0110\u00e1m M\u00e2y An To\u00e0n Ngay H\u00f4m Nay<\/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:\/\/interdata.vn\/blog\/vpc-la-gi\/#Kien-Truc-Thanh-Phan-Cau-Tao-Cua-VPC\" >Ki\u1ebfn Tr\u00fac &amp; Th\u00e0nh Ph\u1ea7n C\u1ea5u T\u1ea1o C\u1ee7a VPC<\/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:\/\/interdata.vn\/blog\/vpc-la-gi\/#1-Subnets-Mang-con\" >1. Subnets (M\u1ea1ng con)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#2-IP-Addressing-CIDR-Block\" >2. IP Addressing (CIDR Block)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#3-Route-Tables-Bang-dinh-tuyen\" >3. Route Tables (B\u1ea3ng \u0111\u1ecbnh tuy\u1ebfn)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#4-Gateways-Cac-cong-ket-noi\" >4. Gateways (C\u00e1c c\u1ed5ng k\u1ebft n\u1ed1i)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#So-do-luong-du-lieu-Data-Flow\" >S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (Data Flow)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#VPC-So-Voi-Cac-Mo-Hinh-Khac-Private-Cloud-VPN\" >VPC So V\u1edbi C\u00e1c M\u00f4 H\u00ecnh Kh\u00e1c: Private Cloud &amp; VPN<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#%F0%9F%92%A1-Giai-Phap-Tiet-Kiem-Cho-Du-An-Nho-Startups\" >\ud83d\udca1 Gi\u1ea3i Ph\u00e1p Ti\u1ebft Ki\u1ec7m Cho D\u1ef1 \u00c1n Nh\u1ecf &amp; Startups<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#Cac-Tinh-Nang-Bao-Mat-Nang-Cao-Trong-VPC-Defense-in-Depth\" >C\u00e1c T\u00ednh N\u0103ng B\u1ea3o M\u1eadt N\u00e2ng Cao Trong VPC (Defense in Depth)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#1-Security-Groups-Stateful-Firewall\" >1. Security Groups (Stateful Firewall)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#2-Network-Access-Control-Lists-%E2%80%93-NACLs-Stateless-Firewall\" >2. Network Access Control Lists &#8211; NACLs (Stateless Firewall)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#3-VPC-Flow-Logs\" >3. VPC Flow Logs<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#Case-Study-Trien-Khai-Ung-Dung-Web-3-Tang-3-Tier-Architecture\" >Case Study: Tri\u1ec3n Khai \u1ee8ng D\u1ee5ng Web 3 T\u1ea7ng (3-Tier Architecture)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#Cac-Nha-Cung-Cap-VPC-Hang-Dau-Ai-Phu-Hop-Voi-Ban\" >C\u00e1c Nh\u00e0 Cung C\u1ea5p VPC H\u00e0ng \u0110\u1ea7u: Ai Ph\u00f9 H\u1ee3p V\u1edbi B\u1ea1n?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#Amazon-VPC-AWS\" >Amazon VPC (AWS)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#Google-Cloud-VPC-GCP\" >Google Cloud VPC (GCP)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#Azure-VNet-Microsoft\" >Azure VNet (Microsoft)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#InterData-Cac-nha-cung-cap-noi-dia\" >InterData &amp; C\u00e1c nh\u00e0 cung c\u1ea5p n\u1ed9i \u0111\u1ecba<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#Cau-Hoi-Thuong-Gap-Ve-VPC-FAQs\" >C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p V\u1ec1 VPC (FAQs)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#1-VPC-co-mien-phi-khong\" >1. VPC c\u00f3 mi\u1ec5n ph\u00ed kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#2-Mot-tai-khoan-co-the-tao-bao-nhieu-VPC\" >2. M\u1ed9t t\u00e0i kho\u1ea3n c\u00f3 th\u1ec3 t\u1ea1o bao nhi\u00eau VPC?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#3-Su-khac-biet-chinh-giua-Security-Group-va-NACL-la-gi\" >3. S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa Security Group v\u00e0 NACL l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#4-Toi-co-the-ket-noi-VPC-cua-minh-voi-VPC-cua-cong-ty-khac-khong\" >4. T\u00f4i c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i VPC c\u1ee7a m\u00ecnh v\u1edbi VPC c\u1ee7a c\u00f4ng ty kh\u00e1c kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#5-Lam-sao-de-truy-cap-Internet-tu-Private-Subnet\" >5. L\u00e0m sao \u0111\u1ec3 truy c\u1eadp Internet t\u1eeb Private Subnet?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#Ket-Luan\" >K\u1ebft Lu\u1eadn<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/#San-Sang-Xay-Dung-Ha-Tang-Dam-May-Dang-Cap\" >S\u1eb5n S\u00e0ng X\u00e2y D\u1ef1ng H\u1ea1 T\u1ea7ng \u0110\u00e1m M\u00e2y \u0110\u1eb3ng C\u1ea5p?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<div class=\"summary\">\n<p><strong>Th\u00f4ng tin t\u1ed5ng quan:<\/strong><\/p>\n<p><a href=\"https:\/\/interdata.vn\/blog\/vpc-la-gi\/\"><strong>Virtual Private Cloud (VPC)<\/strong><\/a> l\u00e0 m\u1ed9t kh\u00f4ng gian m\u1ea1ng ri\u00eang \u1ea3o \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd (logically isolated) trong m\u00f4i tr\u01b0\u1eddng \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng (Public Cloud). VPC cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng to\u00e0n quy\u1ec1n ki\u1ec3m so\u00e1t m\u00f4i tr\u01b0\u1eddng m\u1ea1ng \u1ea3o, bao g\u1ed3m d\u1ea3i \u0111\u1ecba ch\u1ec9 IP, subnet, route table v\u00e0 gateway, mang l\u1ea1i t\u00ednh b\u1ea3o m\u1eadt nh\u01b0 Private Cloud nh\u01b0ng v\u1edbi kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng linh ho\u1ea1t c\u1ee7a Public Cloud.<\/p>\n<p><strong>\u0110i\u1ec3m ch\u00ednh:<\/strong><\/p>\n<ul>\n<li><strong>T\u00ednh c\u00f4 l\u1eadp (Isolation):<\/strong> T\u00e1ch bi\u1ec7t ho\u00e0n to\u00e0n t\u00e0i nguy\u00ean d\u1eef li\u1ec7u c\u1ee7a doanh nghi\u1ec7p v\u1edbi c\u00e1c kh\u00e1ch h\u00e0ng kh\u00e1c tr\u00ean c\u00f9ng h\u1ea1 t\u1ea7ng v\u1eadt l\u00fd.<\/li>\n<li><strong>T\u00f9y ch\u1ec9nh m\u1ea1ng (Network Customization):<\/strong> To\u00e0n quy\u1ec1n c\u1ea5u h\u00ecnh <strong>Subnets<\/strong> (Public\/Private), Route Tables v\u00e0 c\u00e1c ch\u00ednh s\u00e1ch \u0111\u1ecbnh tuy\u1ebfn.<\/li>\n<li><strong>K\u1ebft n\u1ed1i linh ho\u1ea1t (Hybrid Connectivity):<\/strong> H\u1ed7 tr\u1ee3 m\u00f4 h\u00ecnh Hybrid Cloud, k\u1ebft n\u1ed1i d\u1ec5 d\u00e0ng v\u1edbi Data Center t\u1ea1i ch\u1ed7 (On-premise) qua VPN ho\u1eb7c Direct Connect.<\/li>\n<li><strong>B\u1ea3o m\u1eadt \u0111a l\u1edbp (Layered Security):<\/strong> H\u1ec7 th\u1ed1ng ph\u00f2ng th\u1ee7 chi\u1ec1u s\u00e2u v\u1edbi <strong>Security Groups<\/strong> (c\u1ea5p \u0111\u1ed9 Instance) v\u00e0 <strong>NACL<\/strong> (c\u1ea5p \u0111\u1ed9 Subnet).<\/li>\n<\/ul>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Gioi-thieu\"><\/span>Gi\u1edbi thi\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>B\u1ea1n c\u00f3 bi\u1ebft r\u1eb1ng, theo b\u00e1o c\u00e1o c\u1ee7a Gartner, \u0111\u1ebfn n\u0103m 2025, 99% c\u00e1c v\u1ee5 vi ph\u1ea1m b\u1ea3o m\u1eadt \u0111\u00e1m m\u00e2y s\u1ebd do l\u1ed7i c\u1ea5u h\u00ecnh c\u1ee7a kh\u00e1ch h\u00e0ng ch\u1ee9 kh\u00f4ng ph\u1ea3i do nh\u00e0 cung c\u1ea5p? Trong k\u1ef7 nguy\u00ean chuy\u1ec3n \u0111\u1ed5i s\u1ed1, khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c xem l\u00e0 &#8220;t\u00e0i s\u1ea3n d\u1ea7u m\u1ecf&#8221; m\u1edbi, vi\u1ec7c di chuy\u1ec3n l\u00ean \u0111\u00e1m m\u00e2y (Cloud Migration) l\u00e0 xu h\u01b0\u1edbng t\u1ea5t y\u1ebfu. Tuy nhi\u00ean, n\u1ed7i lo s\u1ee3 l\u1edbn nh\u1ea5t c\u1ee7a c\u00e1c CTO v\u00e0 ch\u1ee7 doanh nghi\u1ec7p v\u1eabn l\u00e0: &#8220;L\u00e0m sao \u0111\u1ec3 t\u00f4i s\u1eed d\u1ee5ng h\u1ea1 t\u1ea7ng c\u00f4ng c\u1ed9ng (Public Cloud) m\u00e0 d\u1eef li\u1ec7u c\u1ee7a t\u00f4i v\u1eabn an to\u00e0n nh\u01b0 \u0111ang \u0111\u1ec3 trong k\u00e9t s\u1eaft t\u1ea1i nh\u00e0?&#8221;<\/p>\n<p>C\u00e2u tr\u1ea3 l\u1eddi n\u1eb1m \u1edf <strong>VPC (Virtual Private Cloud)<\/strong>. \u0110\u00e2y kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t t\u00ednh n\u0103ng m\u1ea1ng \u0111\u01a1n thu\u1ea7n; n\u00f3 l\u00e0 n\u1ec1n t\u1ea3ng c\u1ed1t l\u00f5i, l\u00e0 &#8220;t\u1ea5m khi\u00ean&#8221; \u0111\u1ea7u ti\u00ean v\u00e0 quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 b\u1ea3o v\u1ec7 doanh nghi\u1ec7p tr\u01b0\u1edbc c\u00e1c m\u1ed1i \u0111e d\u1ecda tr\u00ean kh\u00f4ng gian m\u1ea1ng. N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm gi\u1ea3i ph\u00e1p h\u1ea1 t\u1ea7ng an to\u00e0n, h\u00e3y tham kh\u1ea3o c\u00e1c d\u1ecbch v\u1ee5 t\u1ea1i <a href=\"https:\/\/interdata.vn\/\" target=\"_blank\" rel=\"noopener noreferrer\">InterData<\/a> \u0111\u1ec3 c\u00f3 n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc nh\u1ea5t.<\/p>\n<p>Trong b\u00e0i vi\u1ebft chuy\u00ean s\u00e2u n\u00e0y, InterData s\u1ebd c\u00f9ng b\u1ea1n gi\u1ea3i ph\u1eabu chi ti\u1ebft ki\u1ebfn tr\u00fac c\u1ee7a VPC, t\u1eeb nh\u1eefng kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n nh\u1ea5t \u0111\u1ebfn c\u00e1c chi\u1ebfn l\u01b0\u1ee3c tri\u1ec3n khai ph\u1ee9c t\u1ea1p, gi\u00fap b\u1ea1n l\u00e0m ch\u1ee7 ho\u00e0n to\u00e0n m\u00f4i tr\u01b0\u1eddng m\u1ea1ng \u0111\u00e1m m\u00e2y c\u1ee7a m\u00ecnh trong n\u0103m 2026.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"VPC-La-Gi-Va-Tai-Sao-Doanh-Nghiep-Can-No\"><\/span>VPC L\u00e0 G\u00ec V\u00e0 T\u1ea1i Sao Doanh Nghi\u1ec7p C\u1ea7n N\u00f3?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Khai-niem-cot-loi-cua-Virtual-Private-Cloud\"><\/span>Kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i c\u1ee7a Virtual Private Cloud<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>V\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, <strong>VPC<\/strong> l\u00e0 m\u1ed9t d\u1ecbch v\u1ee5 m\u1ea1ng cho ph\u00e9p b\u1ea1n cung c\u1ea5p m\u1ed9t ph\u1ea7n b\u1ecb c\u00f4 l\u1eadp v\u1ec1 m\u1eb7t logic (logically isolated) c\u1ee7a \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 m\u1eb7c d\u00f9 ph\u1ea7n c\u1ee9ng v\u1eadt l\u00fd b\u00ean d\u01b0\u1edbi (m\u00e1y ch\u1ee7, switch, c\u00e1p m\u1ea1ng) \u0111\u01b0\u1ee3c chia s\u1ebb v\u1edbi h\u00e0ng tri\u1ec7u ng\u01b0\u1eddi d\u00f9ng kh\u00e1c, nh\u01b0ng l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng (network traffic) v\u00e0 kh\u00f4ng gian d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n ho\u00e0n to\u00e0n ri\u00eang bi\u1ec7t.<\/p>\n<p>\u0110\u1ec3 d\u1ec5 h\u00ecnh dung, h\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng Public Cloud gi\u1ed1ng nh\u01b0 m\u1ed9t t\u00f2a chung c\u01b0 cao c\u1ea5p kh\u1ed5ng l\u1ed3.<\/p>\n<ul>\n<li><strong>Internet<\/strong> l\u00e0 s\u1ea3nh ch\u1edd v\u00e0 h\u00e0nh lang chung, n\u01a1i ai c\u0169ng c\u00f3 th\u1ec3 \u0111i l\u1ea1i.<\/li>\n<li><strong>VPC<\/strong> ch\u00ednh l\u00e0 c\u0103n h\u1ed9 ri\u00eang c\u1ee7a b\u1ea1n. B\u1ea1n c\u00f3 kh\u00f3a ri\u00eang, n\u1ed9i th\u1ea5t ri\u00eang, v\u00e0 quy t\u1eafc ri\u00eang (ai \u0111\u01b0\u1ee3c v\u00e0o b\u1ebfp, ai \u0111\u01b0\u1ee3c v\u00e0o ph\u00f2ng ng\u1ee7). D\u00f9 b\u1ea1n s\u1ed1ng c\u00f9ng t\u00f2a nh\u00e0 v\u1edbi ng\u01b0\u1eddi kh\u00e1c, h\u1ecd kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y ho\u1eb7c b\u01b0\u1edbc v\u00e0o c\u0103n h\u1ed9 c\u1ee7a b\u1ea1n n\u1ebfu kh\u00f4ng c\u00f3 s\u1ef1 cho ph\u00e9p.<\/li>\n<\/ul>\n<figure id=\"attachment_39082\" aria-describedby=\"caption-attachment-39082\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-39082\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Virtual-Private-Cloud-VPC-1.webp\" alt=\"Virtual Private Cloud (VPC)\" width=\"750\" height=\"409\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Virtual-Private-Cloud-VPC-1.webp 750w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Virtual-Private-Cloud-VPC-1-300x164.webp 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-39082\" class=\"wp-caption-text\">Virtual Private Cloud (VPC)<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Tai-sao-doanh-nghiep-hien-dai-bat-buoc-phai-dung-VPC\"><\/span>T\u1ea1i sao doanh nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i b\u1eaft bu\u1ed9c ph\u1ea3i d\u00f9ng VPC?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng VPC kh\u00f4ng c\u00f2n l\u00e0 l\u1ef1a ch\u1ecdn, m\u00e0 l\u00e0 y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 h\u1ec7 th\u1ed1ng n\u00e0o \u0111\u00f2i h\u1ecfi t\u00ednh chuy\u00ean nghi\u1ec7p, b\u1edfi ba l\u00fd do ch\u00ednh:<\/p>\n<ol>\n<li><strong>B\u1ea3o m\u1eadt &amp; Gi\u1ea3m b\u1ec1 m\u1eb7t t\u1ea5n c\u00f4ng (Attack Surface Reduction):<\/strong> V\u1edbi VPC, b\u1ea1n c\u00f3 th\u1ec3 gi\u1ea5u c\u00e1c m\u00e1y ch\u1ee7 ch\u1ee9a c\u01a1 s\u1edf d\u1eef li\u1ec7u (Database) v\u00e0o trong c\u00e1c m\u1ea1ng con ri\u00eang t\u01b0 (Private Subnets), ho\u00e0n to\u00e0n kh\u00f4ng th\u1ec3 truy c\u1eadp tr\u1ef1c ti\u1ebfp t\u1eeb Internet. \u0110i\u1ec1u n\u00e0y ng\u0103n ch\u1eb7n h\u1ea7u h\u1ebft c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng qu\u00e9t c\u1ed5ng (port scanning) v\u00e0 t\u1ea5n c\u00f4ng Brute-force t\u1eeb b\u00ean ngo\u00e0i.<\/li>\n<li><strong>Tu\u00e2n th\u1ee7 (Compliance):<\/strong> C\u00e1c ti\u00eau chu\u1ea9n b\u1ea3o m\u1eadt kh\u1eaft khe nh\u01b0 PCI-DSS (cho thanh to\u00e1n th\u1ebb), HIPAA (cho y t\u1ebf) ho\u1eb7c c\u00e1c quy \u0111\u1ecbnh v\u1ec1 an ninh m\u1ea1ng t\u1ea1i Vi\u1ec7t Nam \u0111\u1ec1u y\u00eau c\u1ea7u s\u1ef1 c\u00f4 l\u1eadp d\u1eef li\u1ec7u. VPC cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t v\u00e0 ki\u1ec3m so\u00e1t truy c\u1eadp c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n n\u00e0y.<\/li>\n<li><strong>Ki\u1ec3m so\u00e1t &amp; T\u1ed1i \u01b0u h\u00f3a chi ph\u00ed:<\/strong> VPC cho ph\u00e9p b\u1ea1n qu\u1ea3n l\u00fd l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng ra\/v\u00e0o chi ti\u1ebft. B\u1eb1ng c\u00e1ch thi\u1ebft l\u1eadp c\u00e1c \u0111i\u1ec3m cu\u1ed1i (Endpoints) v\u00e0 Gateway h\u1ee3p l\u00fd, doanh nghi\u1ec7p c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u chi ph\u00ed truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u (Data Transfer Out) kh\u00f4ng c\u1ea7n thi\u1ebft.<\/li>\n<\/ol>\n<div class=\"highlight-cta-box\">\n<h3><span class=\"ez-toc-section\" id=\"%F0%9F%92%A1Trien-Khai-Ha-Tang-Dam-May-An-Toan-Ngay-Hom-Nay\"><\/span>\ud83d\udca1Tri\u1ec3n Khai H\u1ea1 T\u1ea7ng \u0110\u00e1m M\u00e2y An To\u00e0n Ngay H\u00f4m Nay<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u1ea1n c\u1ea7n m\u1ed9t m\u00f4i tr\u01b0\u1eddng Cloud Server m\u1ea1nh m\u1ebd, h\u1ed7 tr\u1ee3 \u0111\u1ea7y \u0111\u1ee7 t\u00ednh n\u0103ng VPC \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u doanh nghi\u1ec7p? H\u1ec7 th\u1ed1ng Cloud c\u1ee7a InterData s\u1eed d\u1ee5ng h\u1ea1 t\u1ea7ng ph\u1ea7n c\u1ee9ng Enterprise, \u0111\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng cao v\u00e0 b\u1ea3o m\u1eadt t\u1ed1i \u0111a.<\/p>\n<p><a class=\"cta-button\" href=\"https:\/\/interdata.vn\/cloud-server\/\" target=\"_blank\" rel=\"noopener noreferrer\">Xem B\u1ea3ng Gi\u00e1 Cloud Server InterData<\/a><\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Kien-Truc-Thanh-Phan-Cau-Tao-Cua-VPC\"><\/span>Ki\u1ebfn Tr\u00fac &amp; Th\u00e0nh Ph\u1ea7n C\u1ea5u T\u1ea1o C\u1ee7a VPC<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_39083\" aria-describedby=\"caption-attachment-39083\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-39083\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Virtual-Private-Cloud-VPC-2.webp\" alt=\"Virtual Private Cloud (VPC)\" width=\"750\" height=\"409\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Virtual-Private-Cloud-VPC-2.webp 750w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Virtual-Private-Cloud-VPC-2-300x164.webp 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-39083\" class=\"wp-caption-text\">Virtual Private Cloud (VPC)<\/figcaption><\/figure>\n<p>\u0110\u1ec3 l\u00e0m ch\u1ee7 VPC, b\u1ea1n c\u1ea7n hi\u1ec3u r\u00f5 t\u1eebng &#8220;vi\u00ean g\u1ea1ch&#8221; c\u1ea5u th\u00e0nh n\u00ean n\u00f3. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt v\u1ec1 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i trong h\u1ec7 sinh th\u00e1i VPC.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-Subnets-Mang-con\"><\/span>1. Subnets (M\u1ea1ng con)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Subnet<\/strong> l\u00e0 m\u1ed9t ph\u00e2n \u0111o\u1ea1n nh\u1ecf c\u1ee7a d\u1ea3i IP trong VPC. Vi\u1ec7c chia nh\u1ecf m\u1ea1ng th\u00e0nh c\u00e1c Subnet gi\u00fap t\u1ed5 ch\u1ee9c t\u00e0i nguy\u00ean v\u00e0 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt. C\u00f3 hai lo\u1ea1i Subnet ch\u00ednh:<\/p>\n<ul>\n<li><strong>Public Subnet:<\/strong> L\u00e0 m\u1ea1ng con c\u00f3 \u0111\u01b0\u1eddng \u0111i tr\u1ef1c ti\u1ebfp ra Internet (th\u00f4ng qua Internet Gateway). C\u00e1c t\u00e0i nguy\u00ean \u0111\u1eb7t t\u1ea1i \u0111\u00e2y th\u01b0\u1eddng l\u00e0 Web Server, Load Balancer ho\u1eb7c Bastion Host.<\/li>\n<li><strong>Private Subnet:<\/strong> L\u00e0 m\u1ea1ng con KH\u00d4NG c\u00f3 \u0111\u01b0\u1eddng \u0111i tr\u1ef1c ti\u1ebfp ra Internet. C\u00e1c t\u00e0i nguy\u00ean t\u1ea1i \u0111\u00e2y (nh\u01b0 Database, Backend Server) ch\u1ec9 c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi Internet th\u00f4ng qua NAT Gateway v\u00e0 kh\u00f4ng nh\u1eadn k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp t\u1eeb b\u00ean ngo\u00e0i.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"2-IP-Addressing-CIDR-Block\"><\/span>2. IP Addressing (CIDR Block)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Khi t\u1ea1o VPC, b\u1ea1n ph\u1ea3i ch\u1ec9 \u0111\u1ecbnh m\u1ed9t d\u1ea3i \u0111\u1ecba ch\u1ec9 IP theo \u0111\u1ecbnh d\u1ea1ng <strong>CIDR (Classless Inter-Domain Routing)<\/strong>.<br \/>\nV\u00ed d\u1ee5: D\u1ea3i `10.0.0.0\/16`.<\/p>\n<ul>\n<li>S\u1ed1 `\/16` bi\u1ec3u th\u1ecb m\u1eb7t n\u1ea1 m\u1ea1ng (Subnet mask), cho ph\u00e9p VPC n\u00e0y ch\u1ee9a t\u1ed1i \u0111a 65.536 \u0111\u1ecba ch\u1ec9 IP.<\/li>\n<li>K\u1ef9 s\u01b0 h\u1ec7 th\u1ed1ng c\u1ea7n quy ho\u1ea1ch CIDR c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh tr\u00f9ng l\u1eb7p IP khi c\u1ea7n k\u1ebft n\u1ed1i VPN v\u1edbi v\u0103n ph\u00f2ng (On-premise) ho\u1eb7c k\u1ebft n\u1ed1i v\u1edbi c\u00e1c VPC kh\u00e1c (VPC Peering).<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"3-Route-Tables-Bang-dinh-tuyen\"><\/span>3. Route Tables (B\u1ea3ng \u0111\u1ecbnh tuy\u1ebfn)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>N\u1ebfu Subnet l\u00e0 c\u00e1c con \u0111\u01b0\u1eddng, th\u00ec <strong>Route Table<\/strong> ch\u00ednh l\u00e0 h\u1ec7 th\u1ed1ng bi\u1ec3n b\u00e1o giao th\u00f4ng v\u00e0 GPS. N\u00f3 ch\u1ee9a m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c quy t\u1eafc (routes) \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh n\u01a1i l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng (network traffic) s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ebfn. M\u1ed7i Subnet trong VPC ph\u1ea3i \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi m\u1ed9t Route Table.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4-Gateways-Cac-cong-ket-noi\"><\/span>4. Gateways (C\u00e1c c\u1ed5ng k\u1ebft n\u1ed1i)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>VPC l\u00e0 m\u1ed9t m\u00f4i tr\u01b0\u1eddng \u0111\u00f3ng, mu\u1ed1n giao ti\u1ebfp v\u1edbi b\u00ean ngo\u00e0i c\u1ea7n c\u00e1c c\u1ed5ng chuy\u00ean d\u1ee5ng:<\/p>\n<ul>\n<li><strong>Internet Gateway (IGW):<\/strong> C\u00e1nh c\u1eeda ch\u00ednh m\u1edf ra Internet c\u00f4ng c\u1ed9ng. N\u00f3 th\u1ef1c hi\u1ec7n chuy\u1ec3n \u0111\u1ed5i \u0111\u1ecba ch\u1ec9 m\u1ea1ng (NAT) 1-1 cho c\u00e1c Instances c\u00f3 Public IP.<\/li>\n<li><strong>NAT Gateway (Network Address Translation):<\/strong> Th\u01b0\u1eddng \u0111\u1eb7t \u1edf Public Subnet. N\u00f3 cho ph\u00e9p c\u00e1c instance trong Private Subnet \u0111i ra Internet (\u0111\u1ec3 t\u1ea3i b\u1ea3n v\u00e1 l\u1ed7i, update ph\u1ea7n m\u1ec1m) nh\u01b0ng ng\u0103n ch\u1eb7n Internet kh\u1edfi t\u1ea1o k\u1ebft n\u1ed1i ng\u01b0\u1ee3c l\u1ea1i v\u00e0o b\u00ean trong. \u0110\u00e2y l\u00e0 th\u00e0nh ph\u1ea7n s\u1ed1ng c\u00f2n cho b\u1ea3o m\u1eadt.<\/li>\n<li><strong>Virtual Private Gateway (VGW):<\/strong> C\u1ed5ng k\u1ebft n\u1ed1i d\u00e0nh ri\u00eang cho k\u00eanh VPN (Virtual Private Network), gi\u00fap thi\u1ebft l\u1eadp \u0111\u01b0\u1eddng h\u1ea7m an to\u00e0n gi\u1eefa VPC v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u v\u1eadt l\u00fd c\u1ee7a doanh nghi\u1ec7p.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"So-do-luong-du-lieu-Data-Flow\"><\/span>S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (Data Flow)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>H\u00e3y h\u00ecnh dung lu\u1ed3ng d\u1eef li\u1ec7u khi ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp website c\u1ee7a b\u1ea1n:<\/p>\n<ol>\n<li><strong>Request:<\/strong> Ng\u01b0\u1eddi d\u00f9ng g\u00f5 \u0111\u1ecba ch\u1ec9 web -&gt; Request \u0111i qua Internet.<\/li>\n<li><strong>Ingress:<\/strong> Request ch\u1ea1m t\u1edbi <strong>Internet Gateway<\/strong> c\u1ee7a VPC.<\/li>\n<li><strong>Routing:<\/strong> Router ki\u1ec3m tra <strong>Route Table<\/strong> v\u00e0 chuy\u1ec3n g\u00f3i tin \u0111\u1ebfn <strong>Public Subnet<\/strong>.<\/li>\n<li><strong>Processing:<\/strong> Web Server (trong Public Subnet) nh\u1eadn y\u00eau c\u1ea7u. N\u1ebfu c\u1ea7n l\u1ea5y d\u1eef li\u1ec7u, n\u00f3 g\u1eedi y\u00eau c\u1ea7u sang Database Server (trong <strong>Private Subnet<\/strong>).<\/li>\n<li><strong>Response:<\/strong> Database tr\u1ea3 d\u1eef li\u1ec7u cho Web Server -&gt; Web Server tr\u1ea3 k\u1ebft qu\u1ea3 cho ng\u01b0\u1eddi d\u00f9ng. To\u00e0n b\u1ed9 Database \u0111\u01b0\u1ee3c \u1ea9n gi\u1ea5u an to\u00e0n.<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"VPC-So-Voi-Cac-Mo-Hinh-Khac-Private-Cloud-VPN\"><\/span>VPC So V\u1edbi C\u00e1c M\u00f4 H\u00ecnh Kh\u00e1c: Private Cloud &amp; VPN<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>R\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi nh\u1ea7m l\u1eabn gi\u1eefa VPC, Private Cloud v\u00e0 VPN. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng ph\u00e2n t\u00edch so s\u00e1nh \u0111\u1ec3 l\u00e0m r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t.<\/p>\n<figure class=\"table\">\n<table>\n<thead>\n<tr>\n<th>Ti\u00eau ch\u00ed<\/th>\n<th>VPC (Virtual Private Cloud)<\/th>\n<th>Private Cloud (On-Premise)<\/th>\n<th>VPN (Virtual Private Network)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>H\u1ea1 t\u1ea7ng<\/strong><\/td>\n<td>Ch\u1ea1y tr\u00ean h\u1ea1 t\u1ea7ng chung c\u1ee7a Public Cloud (AWS, Google, InterData Cloud).<\/td>\n<td>Ch\u1ea1y tr\u00ean ph\u1ea7n c\u1ee9ng v\u1eadt l\u00fd ri\u00eang bi\u1ec7t do doanh nghi\u1ec7p s\u1edf h\u1eefu\/thu\u00ea ch\u1ed7 \u0111\u1eb7t.<\/td>\n<td>L\u00e0 c\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i (\u0111\u01b0\u1eddng truy\u1ec1n), kh\u00f4ng ph\u1ea3i n\u01a1i l\u01b0u tr\u1eef.<\/td>\n<\/tr>\n<tr>\n<td><strong>Chi ph\u00ed<\/strong><\/td>\n<td><strong>OPEX:<\/strong> Tr\u1ea3 theo nhu c\u1ea7u s\u1eed d\u1ee5ng (Pay-as-you-go). Kh\u00f4ng t\u1ed1n ph\u00ed \u0111\u1ea7u t\u01b0 ph\u1ea7n c\u1ee9ng.<\/td>\n<td><strong>CAPEX:<\/strong> Chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u c\u1ef1c l\u1edbn (M\u00e1y ch\u1ee7, \u0111i\u1ec7n, l\u1ea1nh, nh\u00e2n s\u1ef1).<\/td>\n<td>Chi ph\u00ed th\u1ea5p, th\u01b0\u1eddng t\u00ednh theo license ho\u1eb7c g\u00f3i d\u1ecbch v\u1ee5.<\/td>\n<\/tr>\n<tr>\n<td><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/strong><\/td>\n<td>G\u1ea7n nh\u01b0 v\u00f4 h\u1ea1n v\u00e0 t\u1ee9c th\u1eddi (Elasticity).<\/td>\n<td>H\u1ea1n ch\u1ebf b\u1edfi n\u0103ng l\u1ef1c ph\u1ea7n c\u1ee9ng v\u1eadt l\u00fd \u0111\u00e3 mua.<\/td>\n<td>Ph\u1ee5 thu\u1ed9c v\u00e0o b\u0103ng th\u00f4ng \u0111\u01b0\u1eddng truy\u1ec1n.<\/td>\n<\/tr>\n<tr>\n<td><strong>B\u1ea3o m\u1eadt<\/strong><\/td>\n<td>C\u00f4 l\u1eadp logic (Logical Isolation). B\u1ea3o m\u1eadt chia s\u1ebb (Shared Responsibility).<\/td>\n<td>Ki\u1ec3m so\u00e1t v\u1eadt l\u00fd 100%. Ph\u00f9 h\u1ee3p d\u1eef li\u1ec7u c\u1ef1c k\u1ef3 nh\u1ea1y c\u1ea3m.<\/td>\n<td>M\u00e3 h\u00f3a d\u1eef li\u1ec7u tr\u00ean \u0111\u01b0\u1eddng truy\u1ec1n.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p><strong>L\u01b0u \u00fd quan tr\u1ecdng:<\/strong> <i>VPN l\u00e0 \u0111\u01b0\u1eddng \u1ed1ng<\/i> \u0111\u1ec3 k\u1ebft n\u1ed1i an to\u00e0n, c\u00f2n <i>VPC l\u00e0 ng\u00f4i nh\u00e0<\/i> \u0111\u00edch \u0111\u1ebfn. B\u1ea1n th\u01b0\u1eddng s\u1eed d\u1ee5ng VPN \u0111\u1ec3 k\u1ebft n\u1ed1i t\u1eeb m\u00e1y t\u00ednh x\u00e1ch tay c\u1ee7a m\u00ecnh v\u00e0o VPC \u0111\u1ec3 qu\u1ea3n tr\u1ecb h\u1ec7 th\u1ed1ng.<\/p>\n<div class=\"highlight-cta-box\">\n<h3><span class=\"ez-toc-section\" id=\"%F0%9F%92%A1-Giai-Phap-Tiet-Kiem-Cho-Du-An-Nho-Startups\"><\/span>\ud83d\udca1 Gi\u1ea3i Ph\u00e1p Ti\u1ebft Ki\u1ec7m Cho D\u1ef1 \u00c1n Nh\u1ecf &amp; Startups<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>N\u1ebfu b\u1ea1n ch\u01b0a c\u1ea7n \u0111\u1ebfn m\u1ed9t ki\u1ebfn tr\u00fac VPC ph\u1ee9c t\u1ea1p \u0111a t\u1ea7ng m\u00e0 ch\u1ec9 c\u1ea7n m\u1ed9t m\u00e1y ch\u1ee7 ri\u00eang \u1ea3o (VPS) c\u00f3 hi\u1ec7u n\u0103ng cao v\u00e0 IP ri\u00eang bi\u1ec7t \u0111\u1ec3 b\u1eaft \u0111\u1ea7u, InterData c\u00f3 gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u chi ph\u00ed cho b\u1ea1n.<\/p>\n<p><a class=\"cta-button\" href=\"https:\/\/interdata.vn\/thue-vps\/\" target=\"_blank\" rel=\"noopener noreferrer\">Kh\u00e1m Ph\u00e1 VPS Gi\u00e1 R\u1ebb T\u1ed1c \u0110\u1ed9 Cao<\/a><\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Cac-Tinh-Nang-Bao-Mat-Nang-Cao-Trong-VPC-Defense-in-Depth\"><\/span>C\u00e1c T\u00ednh N\u0103ng B\u1ea3o M\u1eadt N\u00e2ng Cao Trong VPC (Defense in Depth)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_39081\" aria-describedby=\"caption-attachment-39081\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-39081\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Cac-tinh-nang-cua-VPC.webp\" alt=\"C\u00e1c t\u00ednh n\u0103ng c\u1ee7a VPC\" width=\"750\" height=\"409\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Cac-tinh-nang-cua-VPC.webp 750w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Cac-tinh-nang-cua-VPC-300x164.webp 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-39081\" class=\"wp-caption-text\">C\u00e1c t\u00ednh n\u0103ng c\u1ee7a VPC<\/figcaption><\/figure>\n<p>Tri\u1ebft l\u00fd b\u1ea3o m\u1eadt c\u1ee7a VPC l\u00e0 &#8220;Defense in Depth&#8221; (Ph\u00f2ng th\u1ee7 theo chi\u1ec1u s\u00e2u) &#8211; ngh\u0129a l\u00e0 t\u1ea1o ra nhi\u1ec1u l\u1edbp b\u1ea3o v\u1ec7, n\u1ebfu m\u1ed9t l\u1edbp b\u1ecb xuy\u00ean th\u1ee7ng, v\u1eabn c\u00f2n c\u00e1c l\u1edbp kh\u00e1c ch\u1eb7n l\u1ea1i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-Security-Groups-Stateful-Firewall\"><\/span>1. Security Groups (Stateful Firewall)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Security Group<\/strong> ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t t\u01b0\u1eddng l\u1eeda \u1ea3o \u1edf c\u1ea5p \u0111\u1ed9 <strong>Instance<\/strong> (m\u00e1y ch\u1ee7 \u1ea3o).<\/p>\n<p><strong>\u0110\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt:<\/strong> L\u00e0 <i>Stateful<\/i> (c\u00f3 tr\u1ea1ng th\u00e1i). Ngh\u0129a l\u00e0 n\u1ebfu b\u1ea1n cho ph\u00e9p m\u1ed9t y\u00eau c\u1ea7u g\u1eedi \u0111i (outbound) t\u1eeb m\u00e1y ch\u1ee7, th\u00ec ph\u1ea3n h\u1ed3i (response) c\u1ee7a y\u00eau c\u1ea7u \u0111\u00f3 s\u1ebd t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c ph\u00e9p quay l\u1ea1i, b\u1ea5t k\u1ec3 quy t\u1eafc \u0111\u1ea7u v\u00e0o (inbound) l\u00e0 g\u00ec. \u0110\u00e2y l\u00e0 l\u1edbp b\u1ea3o v\u1ec7 linh ho\u1ea1t nh\u1ea5t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2-Network-Access-Control-Lists-%E2%80%93-NACLs-Stateless-Firewall\"><\/span>2. Network Access Control Lists &#8211; NACLs (Stateless Firewall)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>NACL<\/strong> ho\u1ea1t \u0111\u1ed9ng \u1edf c\u1ea5p \u0111\u1ed9 <strong>Subnet<\/strong>.<\/p>\n<p><strong>\u0110\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt:<\/strong> L\u00e0 <i>Stateless<\/i> (kh\u00f4ng tr\u1ea1ng th\u00e1i). B\u1ea1n ph\u1ea3i thi\u1ebft l\u1eadp quy t\u1eafc cho c\u1ea3 chi\u1ec1u \u0111i v\u00e0 chi\u1ec1u v\u1ec1 m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng. NACL th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m l\u1edbp ph\u00f2ng th\u1ee7 v\u00f2ng ngo\u00e0i, ch\u1eb7n c\u00e1c d\u1ea3i IP \u0111en (Blacklist) tr\u01b0\u1edbc khi ch\u00fang k\u1ecbp ch\u1ea1m t\u1edbi Instance.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-VPC-Flow-Logs\"><\/span>3. VPC Flow Logs<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kh\u00f4ng th\u1ec3 b\u1ea3o v\u1ec7 nh\u1eefng g\u00ec b\u1ea1n kh\u00f4ng nh\u00ecn th\u1ea5y. <strong>VPC Flow Logs<\/strong> l\u00e0 t\u00ednh n\u0103ng cho ph\u00e9p ghi l\u1ea1i th\u00f4ng tin v\u1ec1 l\u01b0u l\u01b0\u1ee3ng IP \u0111i \u0111\u1ebfn v\u00e0 \u0111i t\u1eeb c\u00e1c giao di\u1ec7n m\u1ea1ng trong VPC. D\u1eef li\u1ec7u n\u00e0y c\u1ef1c k\u1ef3 quan tr\u1ecdng cho vi\u1ec7c gi\u00e1m s\u00e1t an ninh (Security Monitoring) v\u00e0 \u0111i\u1ec1u tra s\u1ef1 c\u1ed1 (Forensics). V\u00ed d\u1ee5: B\u1ea1n c\u00f3 th\u1ec3 bi\u1ebft \u0111\u01b0\u1ee3c IP l\u1ea1 n\u00e0o \u0111ang c\u1ed1 g\u1eafng SSH v\u00e0o m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n l\u00fac 3 gi\u1edd s\u00e1ng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Case-Study-Trien-Khai-Ung-Dung-Web-3-Tang-3-Tier-Architecture\"><\/span>Case Study: Tri\u1ec3n Khai \u1ee8ng D\u1ee5ng Web 3 T\u1ea7ng (3-Tier Architecture)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 minh ch\u1ee9ng cho s\u1ee9c m\u1ea1nh c\u1ee7a VPC, h\u00e3y xem x\u00e9t m\u00f4 h\u00ecnh ki\u1ebfn tr\u00fac ph\u1ed5 bi\u1ebfn nh\u1ea5t th\u1ebf gi\u1edbi: <strong>3-Tier Web Application<\/strong>. \u0110\u00e2y l\u00e0 ti\u00eau chu\u1ea9n v\u00e0ng cho s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ea3o m\u1eadt.<\/p>\n<p><strong>T\u1ea7ng 1: Presentation Tier (Web Server)<\/strong><\/p>\n<p>\u0110\u01b0\u1ee3c \u0111\u1eb7t trong <strong>Public Subnet<\/strong>. Ng\u01b0\u1eddi d\u00f9ng Internet truy c\u1eadp v\u00e0o t\u1ea7ng n\u00e0y. Tuy nhi\u00ean, thay v\u00ec ph\u01a1i b\u00e0y Web Server tr\u1ef1c ti\u1ebfp, ta th\u01b0\u1eddng \u0111\u1eb7t m\u1ed9t Load Balancer (B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i) \u1edf \u0111\u00e2y \u0111\u1ec3 ph\u00e2n ph\u1ed1i l\u01b0u l\u01b0\u1ee3ng.<\/p>\n<p><strong>T\u1ea7ng 2: Application Tier (App Server)<\/strong><\/p>\n<p>\u0110\u01b0\u1ee3c \u0111\u1eb7t trong <strong>Private Subnet<\/strong>. T\u1ea7ng n\u00e0y ch\u1ee9a logic x\u1eed l\u00fd nghi\u1ec7p v\u1ee5 (code backend). N\u00f3 ch\u1ec9 nh\u1eadn l\u1ec7nh t\u1eeb T\u1ea7ng 1 v\u00e0 kh\u00f4ng th\u1ec3 truy c\u1eadp tr\u1ef1c ti\u1ebfp t\u1eeb Internet.<\/p>\n<p><strong>T\u1ea7ng 3: Data Tier (Database)<\/strong><\/p>\n<p>\u0110\u01b0\u1ee3c \u0111\u1eb7t trong <strong>Private Subnet<\/strong> s\u00e2u nh\u1ea5t. Ch\u1ec9 c\u00f3 App Server \u1edf T\u1ea7ng 2 m\u1edbi c\u00f3 quy\u1ec1n g\u1eedi truy v\u1ea5n SQL v\u00e0o \u0111\u00e2y. \u0110\u00e2y l\u00e0 n\u01a1i ch\u1ee9a &#8220;tr\u00e1i tim&#8221; d\u1eef li\u1ec7u c\u1ee7a doanh nghi\u1ec7p v\u00e0 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 nghi\u00eam ng\u1eb7t nh\u1ea5t b\u1edfi Security Group v\u00e0 NACL.<\/p>\n<p><strong>Hi\u1ec7u qu\u1ea3 th\u1ef1c t\u1ebf:<\/strong> C\u00e1c th\u1ed1ng k\u00ea t\u1eeb Flexera cho th\u1ea5y, h\u01a1n 80% doanh nghi\u1ec7p l\u1edbn s\u1eed d\u1ee5ng m\u00f4 h\u00ecnh Hybrid Cloud ho\u1eb7c Multi-Cloud \u0111\u1ec1u \u00e1p d\u1ee5ng ki\u1ebfn tr\u00fac ph\u00e2n t\u1ea7ng trong VPC n\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh s\u1eb5n s\u00e0ng cao (High Availability) v\u00e0 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i sau th\u1ea3m h\u1ecda (Disaster Recovery).<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac-Nha-Cung-Cap-VPC-Hang-Dau-Ai-Phu-Hop-Voi-Ban\"><\/span>C\u00e1c Nh\u00e0 Cung C\u1ea5p VPC H\u00e0ng \u0110\u1ea7u: Ai Ph\u00f9 H\u1ee3p V\u1edbi B\u1ea1n?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Amazon-VPC-AWS\"><\/span>Amazon VPC (AWS)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>L\u00e0 ng\u01b0\u1eddi ti\u00ean phong, AWS VPC cung c\u1ea5p b\u1ed9 t\u00ednh n\u0103ng phong ph\u00fa nh\u1ea5t. H\u1ec7 sinh th\u00e1i c\u1ee7a h\u1ecd c\u1ef1c k\u1ef3 r\u1ed9ng l\u1edbn, nh\u01b0ng \u0111\u1ed9 ph\u1ee9c t\u1ea1p cao v\u00e0 chi ph\u00ed c\u00f3 th\u1ec3 kh\u00f3 ki\u1ec3m so\u00e1t n\u1ebfu kh\u00f4ng t\u1ed1i \u01b0u t\u1ed1t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Google-Cloud-VPC-GCP\"><\/span>Google Cloud VPC (GCP)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110i\u1ec3m \u0111\u1ed9c \u0111\u00e1o c\u1ee7a GCP l\u00e0 <strong>Global VPC<\/strong>. Trong khi AWS VPC b\u1ecb gi\u1edbi h\u1ea1n trong m\u1ed9t Region (Khu v\u1ef1c \u0111\u1ecba l\u00fd), th\u00ec m\u1ed9t VPC c\u1ee7a Google c\u00f3 th\u1ec3 tr\u1ea3i d\u00e0i tr\u00ean to\u00e0n c\u1ea7u. \u0110i\u1ec1u n\u00e0y c\u1ef1c k\u1ef3 l\u1ee3i th\u1ebf cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111a qu\u1ed1c gia.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Azure-VNet-Microsoft\"><\/span>Azure VNet (Microsoft)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Microsoft g\u1ecdi d\u1ecbch v\u1ee5 n\u00e0y l\u00e0 VNet. N\u00f3 t\u00edch h\u1ee3p c\u1ef1c t\u1ed1t v\u1edbi h\u1ec7 sinh th\u00e1i Windows Server v\u00e0 Active Directory. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c doanh nghi\u1ec7p \u0111ang s\u1eed d\u1ee5ng h\u1ea1 t\u1ea7ng Microsoft (Enterprise).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"InterData-Cac-nha-cung-cap-noi-dia\"><\/span>InterData &amp; C\u00e1c nh\u00e0 cung c\u1ea5p n\u1ed9i \u0111\u1ecba<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c doanh nghi\u1ec7p t\u1eadp trung v\u00e0o th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam, vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c gi\u1ea3i ph\u00e1p Cloud trong n\u01b0\u1edbc nh\u01b0 <strong>InterData<\/strong> mang l\u1ea1i l\u1ee3i th\u1ebf l\u1edbn v\u1ec1:<\/p>\n<ul>\n<li><strong>\u0110\u1ed9 tr\u1ec5 (Latency):<\/strong> Th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi server \u0111\u1eb7t t\u1ea1i Singapore hay Hong Kong.<\/li>\n<li><strong>Tu\u00e2n th\u1ee7 ph\u00e1p l\u00fd:<\/strong> \u0110\u1ea3m b\u1ea3o d\u1eef li\u1ec7u n\u1eb1m trong l\u00e3nh th\u1ed5 Vi\u1ec7t Nam theo Lu\u1eadt An ninh m\u1ea1ng.<\/li>\n<li><strong>H\u1ed7 tr\u1ee3:<\/strong> \u0110\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt ng\u01b0\u1eddi Vi\u1ec7t, h\u1ed7 tr\u1ee3 24\/7 kh\u00f4ng r\u00e0o c\u1ea3n ng\u00f4n ng\u1eef.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cau-Hoi-Thuong-Gap-Ve-VPC-FAQs\"><\/span>C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p V\u1ec1 VPC (FAQs)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 gi\u1ea3i \u0111\u00e1p cho nh\u1eefng th\u1eafc m\u1eafc ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a c\u1ed9ng \u0111\u1ed3ng IT v\u1ec1 VPC.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-VPC-co-mien-phi-khong\"><\/span>1. VPC c\u00f3 mi\u1ec5n ph\u00ed kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 cung c\u1ea5p (bao g\u1ed3m AWS, Azure, Google) cho ph\u00e9p t\u1ea1o VPC <strong>mi\u1ec5n ph\u00ed<\/strong>. Tuy nhi\u00ean, b\u1ea1n s\u1ebd ph\u1ea3i tr\u1ea3 ti\u1ec1n cho c\u00e1c t\u00e0i nguy\u00ean ch\u1ea1y b\u00ean trong n\u00f3 (nh\u01b0 m\u00e1y ch\u1ee7 \u1ea3o, Database) v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ee5 tr\u1ee3 n\u00e2ng cao nh\u01b0 NAT Gateway, VPN Connection ho\u1eb7c l\u01b0u l\u01b0\u1ee3ng b\u0103ng th\u00f4ng truy\u1ec1n t\u1ea3i ra ngo\u00e0i (Data Transfer Out).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2-Mot-tai-khoan-co-the-tao-bao-nhieu-VPC\"><\/span>2. M\u1ed9t t\u00e0i kho\u1ea3n c\u00f3 th\u1ec3 t\u1ea1o bao nhi\u00eau VPC?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00f3 gi\u1edbi h\u1ea1n m\u1ec1m (Soft limit). V\u00ed d\u1ee5 tr\u00ean AWS, m\u1eb7c \u0111\u1ecbnh b\u1ea1n \u0111\u01b0\u1ee3c t\u1ea1o 5 VPC m\u1ed7i Region. Tuy nhi\u00ean, n\u1ebfu doanh nghi\u1ec7p c\u1ea7n m\u1edf r\u1ed9ng, b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 g\u1eedi y\u00eau c\u1ea7u h\u1ed7 tr\u1ee3 (Support Ticket) \u0111\u1ec3 t\u0103ng h\u1ea1n m\u1ee9c n\u00e0y l\u00ean (Quota increase).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-Su-khac-biet-chinh-giua-Security-Group-va-NACL-la-gi\"><\/span>3. S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa Security Group v\u00e0 NACL l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>H\u00e3y nh\u1edb quy t\u1eafc n\u00e0y: <strong>Security Group = B\u1ea3o v\u1ec7 Instance + Stateful<\/strong>. <strong>NACL = B\u1ea3o v\u1ec7 Subnet + Stateless<\/strong>. Security Group th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u01b0u ti\u00ean s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y, trong khi NACL d\u00f9ng \u0111\u1ec3 ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng di\u1ec7n r\u1ed9ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4-Toi-co-the-ket-noi-VPC-cua-minh-voi-VPC-cua-cong-ty-khac-khong\"><\/span>4. T\u00f4i c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i VPC c\u1ee7a m\u00ecnh v\u1edbi VPC c\u1ee7a c\u00f4ng ty kh\u00e1c kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00f3. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u00ednh n\u0103ng <strong>VPC Peering<\/strong> ho\u1eb7c <strong>PrivateLink<\/strong>. Tuy nhi\u00ean, \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft l\u00e0 hai VPC n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c c\u00f3 d\u1ea3i IP (CIDR Block) tr\u00f9ng nhau.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5-Lam-sao-de-truy-cap-Internet-tu-Private-Subnet\"><\/span>5. L\u00e0m sao \u0111\u1ec3 truy c\u1eadp Internet t\u1eeb Private Subnet?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u1ea1n kh\u00f4ng th\u1ec3 g\u00e1n Public IP tr\u1ef1c ti\u1ebfp cho m\u00e1y ch\u1ee7 trong Private Subnet. Gi\u1ea3i ph\u00e1p chu\u1ea9n l\u00e0 tri\u1ec3n khai m\u1ed9t <strong>NAT Gateway<\/strong> n\u1eb1m \u1edf Public Subnet, sau \u0111\u00f3 c\u1ea5u h\u00ecnh Route Table c\u1ee7a Private Subnet \u0111\u1ec3 tr\u1ecf lu\u1ed3ng d\u1eef li\u1ec7u ra Internet th\u00f4ng qua NAT Gateway n\u00e0y.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ket-Luan\"><\/span>K\u1ebft Lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>VPC (Virtual Private Cloud)<\/strong> kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 \u1ea3o h\u00f3a m\u1ea1ng; n\u00f3 l\u00e0 n\u1ec1n m\u00f3ng v\u1eefng ch\u1eafc cho m\u1ecdi chi\u1ebfn l\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i s\u1ed1 th\u00e0nh c\u00f4ng. Vi\u1ec7c hi\u1ec3u v\u00e0 tri\u1ec3n khai \u0111\u00fang VPC gi\u00fap doanh nghi\u1ec7p t\u1eadn d\u1ee5ng s\u1ee9c m\u1ea1nh v\u00f4 h\u1ea1n c\u1ee7a \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng (Scalability) trong khi v\u1eabn duy tr\u00ec s\u1ef1 ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd v\u1ec1 an ninh d\u1eef li\u1ec7u (Security) nh\u01b0 m\u1ed9t trung t\u00e2m d\u1eef li\u1ec7u ri\u00eang.<\/p>\n<p>D\u00f9 b\u1ea1n l\u00e0 m\u1ed9t Startup nh\u1ecf hay m\u1ed9t t\u1eadp \u0111o\u00e0n l\u1edbn, vi\u1ec7c thi\u1ebft k\u1ebf m\u1ea1ng l\u01b0\u1edbi VPC chu\u1ea9n ngay t\u1eeb \u0111\u1ea7u s\u1ebd ti\u1ebft ki\u1ec7m cho b\u1ea1n h\u00e0ng ng\u00e0n gi\u1edd kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u00e0 h\u00e0ng t\u1ef7 \u0111\u1ed3ng chi ph\u00ed r\u1ee7i ro sau n\u00e0y.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"San-Sang-Xay-Dung-Ha-Tang-Dam-May-Dang-Cap\"><\/span>S\u1eb5n S\u00e0ng X\u00e2y D\u1ef1ng H\u1ea1 T\u1ea7ng \u0110\u00e1m M\u00e2y \u0110\u1eb3ng C\u1ea5p?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u1eebng \u0111\u1ec3 r\u00e0o c\u1ea3n k\u1ef9 thu\u1eadt k\u00ecm h\u00e3m s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a b\u1ea1n. H\u00e3y li\u00ean h\u1ec7 ngay v\u1edbi InterData \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n c\u00e1c gi\u1ea3i ph\u00e1p Cloud Server, VPS v\u00e0 m\u1ea1ng ri\u00eang \u1ea3o t\u1ed1i \u01b0u nh\u1ea5t cho th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam.<\/p>\n<p><a href=\"https:\/\/facebook.com\/interdata.com.vn\" target=\"_blank\" rel=\"nofollow noopener\">Li\u00ean H\u1ec7 T\u01b0 V\u1ea5n Ngay<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Th\u00f4ng tin t\u1ed5ng quan: Virtual Private Cloud (VPC) l\u00e0 m\u1ed9t kh\u00f4ng gian m\u1ea1ng ri\u00eang \u1ea3o \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd (logically isolated) trong m\u00f4i tr\u01b0\u1eddng \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng (Public Cloud). VPC cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng to\u00e0n quy\u1ec1n ki\u1ec3m so\u00e1t m\u00f4i tr\u01b0\u1eddng m\u1ea1ng \u1ea3o, bao g\u1ed3m d\u1ea3i \u0111\u1ecba ch\u1ec9 IP, subnet, route table<\/p>\n","protected":false},"author":2,"featured_media":39085,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48],"tags":[],"class_list":["post-35841","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cloud-server"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/35841","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=35841"}],"version-history":[{"count":7,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/35841\/revisions"}],"predecessor-version":[{"id":39087,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/35841\/revisions\/39087"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/39085"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=35841"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=35841"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=35841"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}