{"id":12402249,"date":"2026-05-31T03:10:15","date_gmt":"2026-05-30T19:10:15","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/%e4%ba%91%e4%b8%bb%e6%9c%ba%e7%bb%88%e6%9e%81%e6%8c%87%e5%8d%97%ef%bc%9a%e4%bb%8e%e6%a6%82%e5%bf%b5%e5%88%b0%e9%80%89%e5%9e%8b%ef%bc%8c%e8%bd%bb%e6%9d%be%e4%b8%8a%e4%ba%91%e7%9a%84%e6%a0%b8%e5%bf%83\/"},"modified":"2026-06-03T18:57:06","modified_gmt":"2026-06-03T10:57:06","slug":"cloud-hosting-guide-selection-strategies","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/cloud-hosting\/cloud-hosting-guide-selection-strategies\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 Cloud Server: T\u1eeb kh\u00e1i ni\u1ec7m \u0111\u1ebfn l\u1ef1a ch\u1ecdn, ph\u00e2n t\u00edch chi\u1ebfn l\u01b0\u1ee3c c\u1ed1t l\u00f5i \u0111\u1ec3 l\u00ean m\u00e2y d\u1ec5 d\u00e0ng"},"content":{"rendered":"

\u0110i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y \u0111\u00e3 tr\u1edf th\u00e0nh n\u1ec1n t\u1ea3ng c\u01a1 b\u1ea3n c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng k\u1ef9 thu\u1eadt s\u1ed1 hi\u1ec7n \u0111\u1ea1i, v\u00e0 m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y (cloud host) \u2013 v\u1edbi t\u01b0 c\u00e1ch l\u00e0 d\u1ecbch v\u1ee5 tr\u1ecdng t\u00e2m nh\u1ea5t trong s\u1ed1 c\u00e1c d\u1ecbch v\u1ee5 n\u00e0y \u2013 l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c doanh nghi\u1ec7p v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n khi mu\u1ed1n di chuy\u1ec3n \u1ee9ng d\u1ee5ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng kinh doanh l\u00ean n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y. M\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y mang l\u1ea1i t\u00ednh linh ho\u1ea1t, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed m\u00e0 c\u00e1c m\u00e1y ch\u1ee7 v\u1eadt l\u00fd truy\u1ec1n th\u1ed1ng kh\u00f4ng th\u1ec3 s\u00e1nh k\u1ecbp. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i c\u1ee7a m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y, c\u00e1c m\u00f4 h\u00ecnh d\u1ecbch v\u1ee5 c\u0169ng nh\u01b0 c\u00e1ch l\u1ef1a ch\u1ecdn lo\u1ea1i m\u00e1y ch\u1ee7 ph\u00f9 h\u1ee3p v\u1edbi n<\/p>\n\n\n\n

Ph\u00e2n t\u00edch kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i c\u1ee7a Cloud Server<\/h2>\n\n\n\n

M\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y, v\u1ec1 b\u1ea3n ch\u1ea5t, l\u00e0 nh\u1eefng m\u00e1y ch\u1ee7 \u1ea3o \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00f4ng ngh\u1ec7 \u1ea3o h\u00f3a tr\u00ean n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y v\u00e0 s\u1edf h\u1eefu \u0111\u1ea7y \u0111\u1ee7 ch\u1ee9c n\u0103ng c\u1ee7a m\u1ed9t m\u00e1y t\u00ednh th\u1ef1c. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0 qu\u1ea3n l\u00fd ch\u00fang t\u1eeb xa qua m\u1ea1ng, gi\u1ed1ng nh\u01b0 khi h\u1ecd \u0111ang v\u1eadn h\u00e0nh m\u1ed9t m\u00e1y ch\u1ee7 v\u1eadt l\u00fd, m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i quan t\u00e2m \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng c\u01a1 b\u1ea3n b\u00ean d\u01b0\u1edbi.<\/p>\n\n\n\n

C\u00f4ng ngh\u1ec7 \u1ea3o h\u00f3a l\u00e0 n\u1ec1n t\u1ea3ng<\/h3>\n\n\n\n

Vi\u1ec7c tri\u1ec3n khai m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y ph\u1ee5 thu\u1ed9c v\u00e0o c\u00f4ng ngh\u1ec7 \u1ea3o h\u00f3a. Ph\u1ea7n m\u1ec1m \u1ea3o h\u00f3a (ch\u1eb3ng h\u1ea1n nh\u01b0 Hypervisor) tr\u00ean m\u00e1y ch\u1ee7 v\u1eadt l\u00fd (m\u00e1y ch\u1ee7 ch\u1ee7) s\u1ebd tr\u1eebu t\u01b0\u1ee3ng h\u00f3a c\u00e1c t\u00e0i nguy\u00ean ph\u1ea7n c\u1ee9ng nh\u01b0 CPU, b\u1ed9 nh\u1edb, l\u01b0u tr\u1eef v\u00e0 m\u1ea1ng, sau \u0111\u00f3 chia ch\u00fang m\u1ed9t c\u00e1ch linh ho\u1ea1t th\u00e0nh nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng \u1ea3o \u0111\u01b0\u1ee3c c\u00f4 l\u1eadp v\u1edbi nhau; m\u1ed7i m\u00f4i tr\u01b0\u1eddng \u1ea3o t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y \u0111\u1ed9c l\u1eadp. C\u00f4ng ngh\u1ec7 n\u00e0y gi\u00fap t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean tr\u00ean m\u1ed9t m\u00e1y ch\u1ee7 v\u1eadt l\u00fd duy nh\u1ea5t.<\/p>\n

\u0110\u1ecdc th\u00eam H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 Cloud Server: C\u00e1ch l\u1ef1a ch\u1ecdn, c\u1ea5u h\u00ecnh v\u00e0 t\u1ed1i \u01b0u h\u00f3a m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y c\u1ee7a b\u1ea1n<\/a>\u3002<\/p>\n\n\n\n\n

\u0110\u1eb7c t\u00ednh c\u1ed1t l\u00f5i v\u00e0 \u01b0u \u0111i\u1ec3m<\/h3>\n\n\n\n

So v\u1edbi c\u00e1c m\u00e1y ch\u1ee7 truy\u1ec1n th\u1ed1ng, m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y (cloud host) s\u1edf h\u1eefu m\u1ed9t s\u1ed1 \u01b0u \u0111i\u1ec3m mang t\u00ednh c\u00e1ch m\u1ea1ng. \u0110\u1ea7u ti\u00ean l\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng ho\u1eb7c thu h\u1eb9p quy m\u00f4 linh ho\u1ea1t (elastic scaling): Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 nhanh ch\u00f3ng \u0111i\u1ec1u ch\u1ec9nh c\u1ea5u h\u00ecnh CPU, b\u1ed9 nh\u1edb v\u00e0 b\u0103ng th\u00f4ng trong v\u00e0i ph\u00fat t\u00f9y theo s\u1ef1 thay \u0111\u1ed5i c\u1ee7a t\u1ea3i c\u00f4ng vi\u1ec7c, \u0111\u1ea3m b\u1ea3o ngu\u1ed3n l\u1ef1c \u0111\u01b0\u1ee3c cung c\u1ea5p theo nhu c\u1ea7u th\u1ef1c t\u1ebf. Th\u1ee9 hai l\u00e0 \u0111\u1ed9 s\u1eb5n s\u00e0ng cao (high availability): C\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y h\u00e0ng \u0111\u1ea7u th\u01b0\u1eddng tri\u1ec3n khai m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y tr\u00ean nhi\u1ec1u khu v\u1ef1c kh\u00e1c nhau (availability zones), k\u1ebft h\u1ee3p v\u1edbi c\u00f4ng ngh\u1ec7 ph\u00e2n b\u1ed5 t\u1ea3i (load balancing) v\u00e0 di chuy\u1ec3n t\u1ef1 \u0111\u1ed9ng (automatic migration), gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 nguy c\u01a1 s\u1ef1 c\u1ed1 do l\u1ed7i \u1edf m\u1ed9t \u0111i\u1ec3m duy nh\u1ea5t. Cu\u1ed1i c\u00f9ng l\u00e0 vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed: Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn h\u00ecnh th\u1ee9c thanh to\u00e1n theo nhu c\u1ea7u ho\u1eb7c \u0111\u1eb7t tr\u01b0\u1edbc c\u00e1c instance, ch\u1ec9 ph\u1ea3i tr\u1ea3 ti\u1ec1n cho nh\u1eefng ngu\u1ed3n l\u1ef1c th\u1ef1c s\u1ef1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, tr\u00e1nh \u0111\u01b0\u1ee3c kho\u1ea3n \u0111\u1ea7u t\u01b0 l\u1edbn v\u00e0o ph\u1ea7n c\u1ee9ng<\/p>\n\n\r\n

\r\n \r\n
\r\n \r\n M\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y SurferCloud <\/strong>\r\n
Ph\u01b0\u01a1ng th\u1ee9c thanh to\u00e1n theo l\u01b0\u1ee3ng s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5; b\u0103ng th\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch \u0111\u1ed9c quy\u1ec1n, kh\u00f4ng gi\u1edbi h\u1ea1n l\u01b0\u1ee3ng d\u1eef li\u1ec7u truy\u1ec1n t\u1ea3i. D\u1ecbch v\u1ee5 h\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng 24\/7\/365, v\u1edbi h\u01a1n 17 trung t\u00e2m d\u1eef li\u1ec7u tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. Ch\u00fang t\u00f4i cam k\u1ebft m\u1ee9c \u0111\u1ed9 s\u1eb5n s\u00e0ng ph\u1ee5c v\u1ee5 (SLA) l\u00ean \u0111\u1ebfn 99,95<\/div>\r\n <\/div>\r\n\r\n
\r\n \r\n \"Bi\u1ec3u\r\n \r\n <\/a>\r\n \r\n \r\n Truy c\u1eadp trang <\/a>\r\n <\/div>\r\n<\/div>\n\n\n\n\n\n\n

So s\u00e1nh c\u00e1c m\u00f4 h\u00ecnh d\u1ecbch v\u1ee5 m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y ph\u1ed5 bi\u1ebfn<\/h2>\n\n\n\n

D\u1ef1a tr\u00ean m\u1ee9c \u0111\u1ed9 ki\u1ec3m so\u00e1t c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 tr\u00e1ch nhi\u1ec7m qu\u1ea3n l\u00fd kh\u00e1c nhau, m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c ph\u00e2n th\u00e0nh ba m\u00f4 h\u00ecnh d\u1ecbch v\u1ee5, \u0111i\u1ec1u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cKim t\u1ef1 th\u00e1p c\u00e1c m\u00f4 h\u00ecnh d\u1ecbch v\u1ee5\u201d trong l\u0129nh v\u1ef1c \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y.<\/p>\n\n\n\n

C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng nh\u01b0 m\u1ed9t d\u1ecbch v\u1ee5<\/h3>\n\n\n\n

IaaS (Infrastructure as a Service) cung c\u1ea5p nh\u1eefng ngu\u1ed3n l\u1ef1c t\u00ednh to\u00e1n c\u01a1 b\u1ea3n nh\u1ea5t. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 tr\u1ef1c ti\u1ebfp s\u1eed d\u1ee5ng c\u00e1c ngu\u1ed3n l\u1ef1c ph\u1ea7n c\u1ee9ng \u1ea3o h\u00f3a, bao g\u1ed3m m\u00e1y ch\u1ee7 \u1ea3o, l\u01b0u tr\u1eef v\u00e0 m\u1ea1ng, sau \u0111\u00f3 t\u1ef1 c\u00e0i \u0111\u1eb7t h\u1ec7 \u0111i\u1ec1u h\u00e0nh, ph\u1ea7n m\u1ec1m trung gian (middleware) v\u00e0 \u1ee9ng d\u1ee5ng tr\u00ean n\u1ec1n t\u1ea3ng \u0111\u00f3. Ng\u01b0\u1eddi d\u00f9ng n\u1eafm quy\u1ec1n ki\u1ec3m so\u00e1t ho\u00e0n to\u00e0n \u0111\u1ed1i v\u1edbi h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh, \u0111\u1ed3ng th\u1eddi ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 b\u1ea3o m\u1eadt, sao l\u01b0u v\u00e0 b\u1ea3o tr\u00ec ch\u00fang; trong khi \u0111\u00f3, nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y ch\u1ecbu tr\u00e1ch nhi\u1ec7m qu\u1ea3n l\u00fd ph\u1ea7n c\u1ee9ng v\u1eadt l\u00fd, l\u1edbp \u1ea3o h\u00f3a v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng. M\u00f4 h\u00ecnh n\u00e0y mang l\u1ea1i s\u1ef1 linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t t\u1ed1i \u0111a cho ng\u01b0\u1eddi d\u00f9ng, ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng doanh nghi\u1ec7p c\u00f3 nhu c\u1ea7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng h\u1ec7 th\u1ed1ng c\u1ee5 th\u1ec3 ho\u1eb7c y\u00eau c\u1ea7u t\u00f9y ch\u1ec9nh<\/p>\n\n\n\n

Platform as a Service (PaaS)<\/h3>\n\n\n\n

PaaS (Platform as a Service) n\u00e2ng cao h\u01a1n n\u1eefa so v\u1edbi IaaS (Infrastructure as a Service) b\u1eb1ng c\u00e1ch cung c\u1ea5p m\u1ed9t n\u1ec1n t\u1ea3ng ho\u00e0n ch\u1ec9nh cho vi\u1ec7c ph\u00e1t tri\u1ec3n v\u00e0 tri\u1ec3n khai \u1ee9ng d\u1ee5ng, bao g\u1ed3m h\u1ec7 \u0111i\u1ec1u h\u00e0nh, m\u00f4i tr\u01b0\u1eddng ch\u1ea1y ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh, c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 m\u00e1y ch\u1ee7 web. C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n ch\u1ec9 c\u1ea7n t\u1eadp trung v\u00e0o vi\u1ec7c vi\u1ebft m\u00e3 v\u00e0 x\u00e2y d\u1ef1ng logic kinh doanh, m\u00e0 kh\u00f4ng c\u1ea7n qu\u1ea3n l\u00fd c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng nh\u01b0 m\u00e1y ch\u1ee7, h\u1ec7 \u0111i\u1ec1u h\u00e0nh hay l\u01b0u tr\u1eef. \u0110i\u1ec1u n\u00e0y gi\u00fap t\u0103ng \u0111\u00e1ng k\u1ec3 hi\u1ec7u qu\u1ea3 ph\u00e1t tri\u1ec3n v\u00e0 r\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c nh\u00f3m ph\u00e1t tri\u1ec3n t\u1eadp trung v\u00e0o vi\u1ec7c s\u00e1ng t\u1ea1o \u1ee9ng d\u1ee5ng c\u0169ng nh\u01b0 c\u00e1c c\u00f4ng ty tr\u00ean internet.<\/p>\n\n\n\n

Software as a Service (SaaS)<\/h3>\n\n\n\n

SaaS (Software as a Service) l\u00e0 t\u1ea7ng tr\u00ean c\u00f9ng c\u1ee7a c\u00f4ng ngh\u1ec7 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y, cung c\u1ea5p c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ea7n m\u1ec1m c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp cho ng\u01b0\u1eddi d\u00f9ng. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0 s\u1eed d\u1ee5ng ch\u00fang th\u00f4ng qua tr\u00ecnh duy\u1ec7t web ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1ch (client applications), m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i quan t\u00e2m \u0111\u1ebfn c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng, n\u1ec1n t\u1ea3ng, hay th\u1eadm ch\u00ed l\u00e0 m\u1ed9t s\u1ed1 quy tr\u00ecnh qu\u1ea3n l\u00fd d\u1eef li\u1ec7u \u0111\u1eb1ng sau ch\u00fang. C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u01b0 c\u00f4ng c\u1ee5 h\u1ee3p t\u00e1c l\u00e0m vi\u1ec7c, h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd m\u1ed1i quan h\u1ec7 kh\u00e1ch h\u00e0ng (CRM \u2013 Customer Relationship Management) \u0111\u1ec1u thu\u1ed9c nh\u00f3m SaaS. \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i c\u00f9ng, \u0111\u00e2y l\u00e0 c\u00e1ch ti\u1ebfp c\u1eadn d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y \u0111\u01a1n gi<\/p>\n

\u0110\u1ecdc th\u00eam H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y: Ph\u00e2n t\u00edch \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 lo\u1ea1i h\u00ecnh, \u01b0u \u0111i\u1ec3m v\u00e0 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/a>\u3002<\/p>\n\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 \u1ea3o ph\u00f9 h\u1ee3p<\/h2>\n\n\n\n

Tr\u01b0\u1edbc khi \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh \u0111\u00fang \u0111\u1eafn khi l\u1ef1a ch\u1ecdn c\u00e1c lo\u1ea1i instance, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 d\u1ecbch v\u1ee5 b\u1ed5 sung do nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y cung c\u1ea5p, c\u1ea7n c\u00f3 m\u1ed9t \u0111\u00e1nh gi\u00e1 c\u00f3 h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n

Evaluating Workload Types<\/h3>\n\n\n\n

Tr\u01b0\u1edbc ti\u00ean, c\u1ea7n ph\u00e2n t\u00edch c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a \u1ee9ng d\u1ee5ng. \u0110\u00f3 l\u00e0 \u1ee9ng d\u1ee5ng c\u00f3 t\u00ednh ch\u1ea5t t\u00ednh to\u00e1n n\u1eb7ng (nh\u01b0 t\u00ednh to\u00e1n khoa h\u1ecdc, m\u00e3 h\u00f3a video)? Hay l\u00e0 \u1ee9ng d\u1ee5ng c\u00f3 t\u00ednh ch\u1ea5t s\u1eed d\u1ee5ng nhi\u1ec1u b\u1ed9 nh\u1edb (nh\u01b0 x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn, m\u00e1y ch\u1ee7 \u0111\u1ec7m)? Ho\u1eb7c l\u00e0 \u1ee9ng d\u1ee5ng c\u00f3 t\u00ednh ch\u1ea5t I\/O n\u1eb7ng (nh\u01b0 c\u01a1 s\u1edf d\u1eef li\u1ec7u, x\u1eed l\u00fd log)? C\u00e1c lo\u1ea1i t\u1ea3i c\u00f4ng vi\u1ec7c kh\u00e1c nhau c\u00f3 nh\u1eefng y\u00eau c\u1ea7u kh\u00e1c nhau \u0111\u1ed1i v\u1edbi CPU, b\u1ed9 nh\u1edb, t\u1ed1c \u0111\u1ed9 I\/O \u0111\u0129a v\u00e0 th\u00f4ng l\u01b0\u1ee3ng m\u1ea1ng. V\u00ed d\u1ee5, m\u00e1y ch\u1ee7 c\u01a1 s\u1edf d\u1eef li\u1ec7u th\u01b0\u1eddng c\u1ea7n \u1ed5 \u0111\u0129a SSD tr\u00ean n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y v\u1edbi t\u1ed1c \u0111\u1ed9 I\/O cao v\u00e0 l\u01b0\u1ee3ng b\u1ed9 nh\u1edb l\u1edbn, trong khi m\u00e1y ch\u1ee7 ph\u00eda tr\u01b0\u1edbc (web front-end) c\u00f3 th\u1ec3 quan t\u00e2m nhi\u1ec1u h\u01a1n \u0111\u1ebfn hi\u1ec7u n\u0103ng m\u1ea1ng v\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 \u0111\u1ed9t ng\u1ed9t (burst computing).<\/p>\n\n\n\n

Nh\u1eefng y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t khi thi\u1ebft l\u1eadp c\u00e1c tham s\u1ed1 c\u1ea5u h\u00ecnh quan tr\u1ecdng<\/h3>\n\n\n\n

C\u00e1c c\u1ea5u h\u00ecnh c\u1ed1t l\u00f5i bao g\u1ed3m s\u1ed1 l\u01b0\u1ee3ng nh\u00e2n CPU (vCPU), dung l\u01b0\u1ee3ng b\u1ed9 nh\u1edb, lo\u1ea1i v\u00e0 dung l\u01b0\u1ee3ng \u1ed5 \u0111\u0129a h\u1ec7 th\u1ed1ng c\u0169ng nh\u01b0 \u1ed5 \u0111\u0129a d\u1eef li\u1ec7u, b\u0103ng th\u00f4ng m\u1ea1ng v\u00e0 ch\u1ebf \u0111\u1ed9 thanh to\u00e1n. Ban \u0111\u1ea7u, b\u1ea1n n\u00ean b\u1eaft \u0111\u1ea7u v\u1edbi c\u00e1c c\u1ea5u h\u00ecnh nh\u1ecf, s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t \u0111\u00e1m m\u00e2y \u0111\u1ec3 theo d\u00f5i m\u1ee9c \u0111\u1ed9 s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean th\u1ef1c t\u1ebf, sau \u0111\u00f3 t\u1eeb t\u1eeb \u0111i\u1ec1u ch\u1ec9nh ch\u00fang \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh t\u1ed1i \u01b0u. \u0110\u1ed1i v\u1edbi c\u00e1c c\u00f4ng vi\u1ec7c c\u00f3 nhu c\u1ea7u \u1ed5n \u0111\u1ecbnh v\u00e0 l\u00e2u d\u00e0i, vi\u1ec7c d\u1ef1 tr\u1eef c\u00e1c instance (m\u00e1y \u1ea3o) c\u00f3 th\u1ec3 gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111\u00e1ng k\u1ec3; c\u00f2n \u0111\u1ed1i v\u1edbi c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u00f3 bi\u1ebfn \u0111\u1ed9ng l\u1edbn v\u1ec1 l\u01b0\u1ee3ng nhu c\u1ea7u (t\u0103ng\/gi\u1ea3m), vi\u1ec7c thanh to\u00e1n theo l\u01b0\u1ee3ng s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p v\u1edbi c\u00e1c nh\u00f3m m\u1edf r\u1ed9ng linh ho\u1ea1t (elastic scaling groups) l\u00e0 l\u1ef1a ch\u1ecdn kinh t\u1ebf h\u01a1n. Ngo\u00e0i ra, b\u1ea1n c\u1ea7n xem x\u00e9t k\u1ef9 v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd v\u00e0 khu v\u1ef1c s\u1eb5n c\u00f3 (availability zone) c\u1ee7a m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y, ch\u1ecdn khu v\u1ef1c g\u1ea7n nh\u00f3m ng\u01b0\u1eddi d\u00f9ng m\u1ee5c ti\u00eau v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau<\/p>\n\n

\r\n\t\r\n\t\t\r\n\t\r\n\t
\r\n\t\t
\r\n\t\t\t\r\n\t\t\t
\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"SurferCloud\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t<\/div>\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t
\r\n\t\t\t\t
\r\n\t\t\t\t\tSurferCloud <\/strong>\r\n\t\t\t\t\t\t\t\t\t\t
\r\n\t\t\t\r\n\t\t\t\t\t\t\r\n\t\t\t \r\n\t\t\t
\r\n\t\t\t\t\t\t\t\t
Gi\u1ea3m gi\u00e1 40% cho Ng\u00e0y Th\u1ee9 S\u00e1u \u0110en<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\tTruy c\u1eadp SurferCloud \u2192<\/a>\r\n\t\t\t\t\t\t\t<\/div> \r\n\t\t<\/div>\r\n\t<\/div>\r\n\t\t\r\n\t\r\n\t
\r\n\t\t
\r\n\t\t\t\r\n\t\t\t
\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"\u0110\u00e1m\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t<\/div>\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t
\r\n\t\t\t\t
\r\n\t\t\t\t\t\u0110\u00e1m m\u00e2y Cloudways <\/strong>\r\n\t\t\t\t\t\t\t\t\t\t
\r\n\t\t\t\r\n\t\t\t\t\t\t\r\n\t\t\t \r\n\t\t\t
\r\n\t\t\t\t\t\t\t\t
D\u00f9ng th\u1eed mi\u1ec5n ph\u00ed trong 3 ng\u00e0y<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\tTruy c\u1eadp Cloudways \u2192<\/a>\r\n\t\t\t\t\t\t\t<\/div> \r\n\t\t<\/div>\r\n\t<\/div>\r\n\t\t\r\n<\/div>\r\n\r\n\r\n\n\n\n\n\n\n\n

Migra l\u00ean \u0111\u00e1m m\u00e2y v\u00e0 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3n l\u00fd c\u1ed1t l\u00f5i<\/h2>\n\n\n\n

Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i ho\u1ea1t \u0111\u1ed9ng kinh doanh l\u00ean m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n ngay l\u1eadp t\u1ee9c; \u0111\u00f2i h\u1ecfi c\u00f3 k\u1ebf ho\u1ea1ch chi ti\u1ebft v\u00e0 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3n l\u00fd \u0111\u01b0\u1ee3c li\u00ean t\u1ee5c c\u1ea3i thi\u1ec7n.<\/p>\n\n\n\n

X\u00e2y d\u1ef1ng m\u1ed9t k\u1ebf ho\u1ea1ch di chuy\u1ec3n khoa h\u1ecdc<\/h3>\n\n\n\n

Tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n vi\u1ec7c di chuy\u1ec3n, c\u1ea7n ti\u1ebfn h\u00e0nh \u0111\u00e1nh gi\u00e1 to\u00e0n di\u1ec7n \u1ee9ng d\u1ee5ng hi\u1ec7n c\u00f3 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh xem ki\u1ebfn tr\u00fac c\u1ee7a n\u00f3 c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng \u0111\u00e1m m\u00e2y hay kh\u00f4ng. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p di chuy\u1ec3n ph\u1ed5 bi\u1ebfn bao g\u1ed3m: \u201cdi chuy\u1ec3n tr\u1ef1c ti\u1ebfp\u201d, \u201cdi chuy\u1ec3n sau khi t\u1ed1i \u01b0u h\u00f3a\u201d v\u00e0 \u201ct\u00e1i c\u1ea5u tr\u00fac theo nguy\u00ean t\u1eafc \u0111\u00e1m m\u00e2y\u201d. \u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c h\u1ec7 th\u1ed1ng kh\u00f4ng ph\u1ea3i h\u1ec7 th\u1ed1ng tr\u1ecdng y\u1ebfu, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u201cdi chuy\u1ec3n tr\u1ef1c ti\u1ebfp\u201d b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 sao ch\u00e9p ho\u1eb7c c\u00f4ng c\u1ee5 di chuy\u1ec3n \u0111\u1ec3 chuy\u1ec3n to\u00e0n b\u1ed9 m\u00e1y v\u1eadt l\u00fd ho\u1eb7c m\u00e1y \u1ea3o sang m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y. Qu\u00e1 tr\u00ecnh di chuy\u1ec3n n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u00e0o th\u1eddi gian ngo\u00e0i gi\u1edd cao \u0111i\u1ec3m ho\u1ea1t \u0111\u1ed9ng c\u1ee7a doanh nghi\u1ec7p, \u0111\u1ed3ng th\u1eddi c\u1ea7n x\u00e2y d\u1ef1ng k\u1ebf ho\u1ea1<\/p>\n\n\n\n

Th\u1ef1c hi\u1ec7n qu\u1ea3n l\u00fd an ninh v\u00e0 chi ph\u00ed<\/h3>\n\n\n\n

An ninh l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t trong ho\u1ea1t \u0111\u1ed9ng tr\u00ean n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y. Ch\u00fang ta c\u1ea7n \u00e1p d\u1ee5ng m\u00f4 h\u00ecnh chia s\u1ebb tr\u00e1ch nhi\u1ec7m: nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 an ninh c\u1ee7a ch\u00ednh n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y, trong khi ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 an ninh b\u00ean trong c\u00e1c m\u00e1y ch\u1ee7 \u1ea3o tr\u00ean n\u1ec1n t\u1ea3ng \u0111\u00f3. C\u00e1c bi\u1ec7n ph\u00e1p quan tr\u1ecdng bao g\u1ed3m: s\u1eed d\u1ee5ng c\u00e1c nh\u00f3m b\u1ea3o m\u1eadt (security groups) ho\u1eb7c t\u01b0\u1eddng l\u1eeda \u0111\u1ec3 h\u1ea1n ch\u1ebf ch\u1eb7t ch\u1ebd c\u00e1c c\u1ed5ng truy c\u1eadp m\u1ea1ng, ch\u1ec9 cho ph\u00e9p nh\u1eefng quy\u1ec1n c\u1ea7n thi\u1ebft nh\u1ea5t; c\u1ea5p ph\u00e1t c\u00e1c c\u1eb7p kh\u00f3a \u0111\u1ec3 \u0111\u0103ng nh\u1eadp v\u00e0o m\u00e1y ch\u1ee7 \u1ea3o v\u00e0 v\u00f4 hi\u1ec7u h\u00f3a vi\u1ec7c x\u00e1c th\u1ef1c b\u1eb1ng m\u1eadt kh\u1ea9u; c\u1eadp nh\u1eadt \u0111\u1ecbnh k\u1ef3 h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt \u1ee9ng d\u1ee5ng; th\u1ef1c hi\u1ec7n vi\u1ec7c l\u01b0u tr\u1eef d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a v\u00e0 sao l\u01b0u d\u1eef li\u1ec7u \u1edf nhi\u1ec1u \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c nhau. V\u1ec1 m\u1eb7t chi ph\u00ed, c\u1ea7n thi\u1ebft l\u1eadp h\u1ec7 th\u1ed1ng \u0111\u00e1nh d\u1ea5u ngu\u1ed3n l\u1ef1c \u0111\u1ec3 theo d\u00f5i r\u00f5 r\u00e0ng ngu\u1ed3n g\u1ed1c chi ph\u00ed; ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 c\u00e1c ngu\u1ed3n l\u1ef1c kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 gi\u1ea3i ph\u00f3ng ch\u00fang; t\u1eadn d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch chi ph\u00ed v\u00e0 ch\u1ee9c n\u0103ng c\u1ea3nh b\u00e1o ng\u00e2n s\u00e1ch do<\/p>\n

\u0110\u1ecdc th\u00eam H\u01b0\u1edbng d\u1eabn To\u00e0n di\u1ec7n v\u1ec1 M\u00e1y ch\u1ee7 \u0110\u00e1m m\u00e2y: S\u1ed5 tay Th\u1ef1c h\u00e0nh Ho\u00e0n ch\u1ec9nh t\u1eeb L\u1ef1a ch\u1ecdn \u0111\u1ebfn Tri\u1ec3n khai<\/a>\u3002<\/p>\n\n\n\n\n

T\u00f3m l\u1ea1i<\/h2>\n\n\n\n

L\u00e0 trung t\u00e2m c\u1ee7a c\u00e1c d\u1ecbch v\u1ee5 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y, gi\u00e1 tr\u1ecb c\u1ee7a m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y n\u1eb1m \u1edf kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i s\u1ee9c m\u1ea1nh t\u00ednh to\u00e1n th\u00e0nh ngu\u1ed3n l\u1ef1c c\u00f4ng c\u1ed9ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u1ea5t c\u1ee9 l\u00fac n\u00e0o v\u00e0 thanh to\u00e1n theo nhu c\u1ea7u, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 n\u01b0\u1edbc v\u00e0 \u0111i\u1ec7n. Ch\u00eca kh\u00f3a \u0111\u1ec3 v\u1eadn h\u00e0nh m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 l\u00e0 hi\u1ec3u s\u00e2u s\u1eafc b\u1ea3n ch\u1ea5t \u1ea3o h\u00f3a c\u1ee7a ch\u00fang, ph\u00e2n bi\u1ec7t r\u00f5 r\u00e0ng gi\u1eefa ba m\u00f4 h\u00ecnh d\u1ecbch v\u1ee5 kh\u00e1c nhau, v\u00e0 l\u1ef1a ch\u1ecdn c\u1ea5u h\u00ecnh ph\u00f9 h\u1ee3p d\u1ef1a tr\u00ean \u0111\u1eb7c \u0111i\u1ec3m t\u1ea3i c\u00f4ng vi\u1ec7c c\u1ee7a doanh nghi\u1ec7p m\u00ecnh. \u0110\u1ed3ng th\u1eddi, m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c v\u1eadn h\u00e0nh bao g\u1ed3m k\u1ebf ho\u1ea1ch di chuy\u1ec3n c\u1ea9n th\u1eadn, c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt nghi\u00eam ng\u1eb7t v\u00e0 qu\u1ea3n l\u00fd chi ph\u00ed hi\u1ec7u qu\u1ea3 l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, hi\u1ec7u su\u1ea5t cao v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed cho c\u00e1c d\u1ecbch v\u1ee5 tr\u00ean n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y. Ch\u1ec9 khi n\u1eafm v\u1eefng nh\u1eefng chi\u1ebfn l\u01b0\u1ee3c c\u1ed1t l\u00f5i n\u00e0y, doanh nghi\u1ec7p v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n m\u1edbi c\u00f3 th\u1ec3 th\u1ef1c s\u1ef1 ph\u00e1t huy h\u1ebft ti\u1ec1m n\u0103ng m\u1ea1nh m\u1ebd c\u1ee7a \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y, t\u1eeb \u0111\u00f3 th\u00fac \u0111\u1ea9y s\u1ef1<\/p>\n\n\n\n

FAQ \u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n\n

M\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y v\u00e0 m\u00e1y ch\u1ee7 \u1ea3o (VPS) kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n\n\n\n

C\u00e1c m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y (Cloud Hosts) th\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean nh\u1eefng c\u1ee5m m\u00e1y t\u00ednh \u0111\u00e1m m\u00e2y c\u00f3 quy m\u00f4 l\u1edbn, v\u1edbi ngu\u1ed3n l\u1ef1c d\u1ed3i d\u00e0o, h\u1ed7 tr\u1ee3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng linh ho\u1ea1t (elastic scaling) v\u00e0 t\u00ednh s\u1eb5n s\u00e0ng cao (high availability). Trong tr\u01b0\u1eddng h\u1ee3p m\u1ed9t m\u00e1y ph\u1ea7n c\u1ee9ng v\u1eadt l\u00fd g\u1eb7p s\u1ef1 c\u1ed1, c\u00e1c d\u1eef li\u1ec7u v\u00e0 \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng di chuy\u1ec3n sang m\u00e1y kh\u00e1c trong c\u1ee5m \u0111\u00f3. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c m\u00e1y \u1ea3o truy\u1ec1n th\u1ed1ng (VPS \u2013 Virtual Private Servers) th\u01b0\u1eddng b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi ngu\u1ed3n l\u1ef1c c\u1ee7a m\u1ed9t ho\u1eb7c v\u00e0i m\u00e1y ch\u1ee7 v\u1eadt l\u00fd, do \u0111\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a ch\u00fang t\u01b0\u01a1ng \u0111\u1ed1i<\/p>\n\n\n

\n\n
\n VPS \u0111\u00e1m m\u00e2y HostArmada<\/strong>\n
\u1ed4 SSD\/NVMe \u0111\u00e1m m\u00e2y + t\u0103ng t\u1ed1c b\u1ed9 nh\u1edb \u0111\u1ec7m nhi\u1ec1u l\u1edbp, gi\u1ea3m gi\u00e1 50% cho kho\u1ea3n thanh to\u00e1n h\u00e0ng th\u00e1ng trong th\u1eddi gian \u0111\u0103ng k\u00fd l\u1ea7n \u0111\u1ea7u, h\u1ed7 tr\u1ee3 24\/7\/365 v\u00e0 truy c\u1eadp ROOT ho\u00e0n to\u00e0n.<\/div>\n <\/div>\n\n
\n \n \n \"Logo\n \n \n <\/a>\n \n \n Truy c\u1eadp HostArmada <\/a>\n <\/div>\n <\/div>\n\n \n\n\n\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n d\u1eef li\u1ec7u tr\u00ean m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y?<\/h3>\n\n\n\n

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an ninh d\u1eef li\u1ec7u, c\u1ea7n \u00e1p d\u1ee5ng nhi\u1ec1u bi\u1ec7n ph\u00e1p \u1edf nhi\u1ec1u c\u1ea5p \u0111\u1ed9 kh\u00e1c nhau. \u1ede c\u1ea5p \u0111\u1ed9 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng, n\u00ean ch\u1ecdn nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y c\u00f3 c\u00e1c t\u00ednh n\u0103ng nh\u01b0 c\u00e1ch ly m\u1ea1ng, nh\u00f3m b\u1ea3o m\u1eadt v\u00e0 b\u1ea3o v\u1ec7 ch\u1ed1ng DDoS. \u1ede c\u1ea5p \u0111\u1ed9 v\u1eadn h\u00e0nh, c\u1ea7n c\u1eadp nh\u1eadt k\u1ecbp th\u1eddi c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt b\u1ea3o m\u1eadt h\u1ec7 th\u1ed1ng, thi\u1ebft l\u1eadp c\u00e1c ch\u00ednh s\u00e1ch ki\u1ec3m so\u00e1t truy c\u1eadp nghi\u00eam ng\u1eb7t v\u00e0 h\u1ec7 th\u1ed1ng x\u00e1c th\u1ef1c kh\u00f3a m\u1ea1nh m\u1ebd. \u1ede c\u1ea5p \u0111\u1ed9 d\u1eef li\u1ec7u, c\u1ea7n m\u00e3 h\u00f3a d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m khi l\u01b0u tr\u1eef v\u00e0 thi\u1ebft l\u1eadp c\u01a1 ch\u1ebf sao l\u01b0u \u0111\u1ecbnh k\u1ef3 t\u1ea1i c\u00e1c \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c nhau. \u0110\u1ed3ng th\u1eddi, vi\u1ec7c gi\u00e1m s\u00e1t v\u00e0 ki\u1ec3m to\u00e1n c\u00e1c ho\u1ea1t \u0111\u1ed9ng v\u1eadn h<\/p>\n\n\n\n

Khi m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y g\u1eb7p ph\u1ea3i v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u n\u0103ng (bottleneck), b\u1ea1n n\u00ean th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc sau \u0111\u1ec3 t\u00ecm ra nguy\u00ean nh\u00e2n:<\/h3>\n\n\n\n

Vi\u1ec7c ki\u1ec3m tra hi\u1ec7u n\u0103ng c\u1ea7n tu\u00e2n theo nguy\u00ean t\u1eafc t\u1eeb b\u00ean ngo\u00e0i v\u00e0o b\u00ean trong, t\u1eeb t\u1ed5ng th\u1ec3 \u0111\u1ebfn chi ti\u1ebft. \u0110\u1ea7u ti\u00ean, s\u1eed d\u1ee5ng n\u1ec1n t\u1ea3ng gi\u00e1m s\u00e1t \u0111\u00e1m m\u00e2y \u0111\u1ec3 xem bi\u1ec3u \u0111\u1ed3 v\u1ec1 t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng CPU, b\u1ed9 nh\u1edb, I\/O \u0111\u0129a v\u00e0 l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng, nh\u1eb1m x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m ngh\u1ebdn v\u1ec1 t\u00e0i nguy\u00ean. Ti\u1ebfp theo, \u0111\u0103ng nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng v\u00e0 s\u1eed d\u1ee5ng c\u00e1c l\u1ec7nh h\u1ec7 th\u1ed1ng nh\u01b0 top, vmstat, iostat, netstat \u0111\u1ec3 ph\u00e2n t\u00edch m\u1ee9c ti\u00eau th\u1ee5 t\u00e0i nguy\u00ean c\u1ee7a c\u00e1c ti\u1ebfn tr\u00ecnh c\u1ee5 th\u1ec3. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng web, c\u0169ng c\u1ea7n ki\u1ec3m tra nh\u1eadt k\u00fd \u1ee9ng d\u1ee5ng v\u00e0 nh\u1eadt k\u00fd c\u00e1c truy v\u1ea5n ch\u1eadm trong c\u01a1 s\u1edf d\u1eef li\u1ec7u, \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh xem nguy\u00ean nh\u00e2n ngh\u1ebdn l\u00e0 do thi\u1ebfu t\u00e0i nguy\u00ean h\u1ec7 th\u1ed1ng hay do hi\u1ec7u qu\u1ea3 m\u00e3 ngu\u1ed3n c\u1ee7a \u1ee9ng d\u1ee5ng.<\/p>\n\n\n\n

C\u00f3 nh\u1eefng ph\u01b0\u01a1ng th\u1ee9c t\u00ednh ph\u00ed n\u00e0o cho m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y, v\u00e0 l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng th\u1ee9c ph\u00f9 h\u1ee3p?<\/h3>\n\n\n\n

C\u00e1c ph\u01b0\u01a1ng th\u1ee9c thanh to\u00e1n ch\u00ednh bao g\u1ed3m: thanh to\u00e1n theo l\u01b0\u1ee3ng s\u1eed d\u1ee5ng (pay-as-you-go), thanh to\u00e1n theo g\u00f3i h\u00e0ng th\u00e1ng (reserving instances), v\u00e0 c\u00e1c instance d\u1ef1a tr\u00ean gi\u00e1 th\u1ea7u (bidding instances). Ph\u01b0\u01a1ng th\u1ee9c thanh to\u00e1n theo l\u01b0\u1ee3ng s\u1eed d\u1ee5ng r\u1ea5t linh ho\u1ea1t, t\u00ednh ph\u00ed theo gi\u00e2y, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng c\u00f3 bi\u1ebfn \u0111\u1ed9ng ng\u1eafn h\u1ea1n ho\u1eb7c m\u00f4i tr\u01b0\u1eddng th\u1eed nghi\u1ec7m. Gi\u00e1 thanh to\u00e1n theo g\u00f3i h\u00e0ng th\u00e1ng c\u00f3 \u01b0u \u0111\u00e3i l\u1edbn, th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong th\u1eddi gian d\u00e0i. C\u00e1c instance d\u1ef1a tr\u00ean gi\u00e1 th\u1ea7u c\u00f3 gi\u00e1 th\u1ea5p nh\u1ea5t, nh\u01b0ng c\u00f3 th\u1ec3 b\u1ecb h\u1ec7 th\u1ed1ng thu h\u1ed3i, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u00e1c v\u1ee5 x\u1eed l\u00fd h\u00e0ng lo\u1ea1t c\u00f3 th\u1ec3 b\u1ecb gi\u00e1n \u0111o\u1ea1n. Khi l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng th\u1ee9c thanh to\u00e1n, c\u1ea7n c\u00e2n nh\u1eafc k\u1ef9 l\u01b0\u1ee1ng gi\u1eefa y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a d\u1ecbch v\u1ee5, th\u1eddi gian v\u1eadn h\u00e0nh v\u00e0 ng\u00e2n s\u00e1ch; vi\u1ec7c s\u1eed d<\/p>","protected":false},"excerpt":{"rendered":"

B\u00e0i vi\u1ebft n\u00e0y ph\u00e2n t\u00edch m\u1ed9t c\u00e1ch h\u1ec7 th\u1ed1ng c\u00e1c kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i c\u1ee7a m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y v\u00e0 c\u00f4ng ngh\u1ec7 \u1ea3o h\u00f3a, so s\u00e1nh ba m\u00f4 h\u00ecnh d\u1ecbch v\u1ee5 IaaS, PaaS, SaaS, \u0111\u1ed3ng th\u1eddi \u0111\u01b0a ra c\u00e1c khuy\u1ebfn ngh\u1ecb l\u1ef1a ch\u1ecdn d\u1ecbch v\u1ee5 d\u1ef1a tr\u00ean y\u00eau c\u1ea7u c\u00f4ng vi\u1ec7c c\u1ee5 th\u1ec3 v\u00e0 chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3n l\u00fd qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i sang m\u00f4i tr\u01b0\u1eddng \u0111\u00e1m m\u00e2y, nh\u1eb1m h\u1ed7 tr\u1ee3 c\u00e1c doanh nghi\u1ec7p tri\u1ec3n khai c\u00f4ng ngh<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[39,775,288,301,331],"knowledge_category":[274],"class_list":["post-12402249","knowledge_post","type-knowledge_post","status-publish","hentry","tag-cloud-hosting","tag-cloud-service-selection","tag-cloud-computing","tag-server-configuration","tag-virtualization","knowledge_category-cloud-hosting"],"acf":{"site_seo_keywords":"\u4e91\u4e3b\u673a,\u4e91\u8ba1\u7b97,\u865a\u62df\u5316\u6280\u672f,IaaS,PaaS,SaaS,\u4e91\u4e3b\u673a\u9009\u578b,\u4e0a\u4e91\u8fc1\u79fb\u7b56\u7565"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12402249","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts"}],"about":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/types\/knowledge_post"}],"author":[{"embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"version-history":[{"count":4,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12402249\/revisions"}],"predecessor-version":[{"id":12403619,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12402249\/revisions\/12403619"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12402249"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12402249"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12402249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}