1. 6 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a Clouds<\/strong><\/p>\n\n\n\n 2. M\u00f4 h\u00ecnh d\u1ecbch v\u1ee5 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y<\/strong><\/p>\n\n\n\n \u0110\u1ecbnh ngh\u0129a<\/em>: IaaS (Infrastructure-as-a-Service) cung c\u1ea5p cho ng\u01b0\u1eddi d\u00f9ng h\u1ea1 t\u1ea7ng th\u00f4 (th\u01b0\u1eddng d\u01b0\u1edbi h\u00ecnh th\u1ee9c c\u00e1c m\u00e1y \u1ea3o) nh\u01b0 m\u1ed9t d\u1ecbch v\u1ee5. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 tri\u1ec3n khai v\u00e0 ch\u1ea1y ph\u1ea7n m\u1ec1m tr\u00ean c\u00e1c m\u00e1y \u1ea3o nh\u01b0 tr\u00ean m\u1ed9t m\u00e1y ch\u1ee7 th\u1ef1c hay c\u00f3 th\u1ec3 \u0111\u01b0a d\u1eef li\u1ec7u c\u00e1 nh\u00e2n l\u00ean \u201c\u0111\u00e1m m\u00e2y\u201d v\u00e0 l\u01b0u tr\u1eef. Ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng c\u00f3 quy\u1ec1n ki\u1ec3m so\u00e1t h\u1ea1 t\u1ea7ng th\u1ef1c b\u00ean trong \u201c\u0111\u00e1m m\u00e2y\u201d tuy nhi\u00ean h\u1ecd c\u00f3 to\u00e0n quy\u1ec1n qu\u1ea3n l\u00fd v\u00e0 s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean m\u00e0 h\u1ecd \u0111\u01b0\u1ee3c cung c\u1ea5p, c\u0169ng nh\u01b0 y\u00eau c\u1ea7u m\u1edf r\u1ed9ng l\u01b0\u1ee3ng t\u00e0i nguy\u00ean h\u1ecd \u0111\u01b0\u1ee3c ph\u00e9p s\u1eed d\u1ee5ng.<\/p>\n\n\n\n C\u00e1c \u0111\u1eb7c tr\u01b0ng ti\u00eau bi\u1ec3u:<\/em> \u2013 Cung c\u1ea5p t\u00e0i nguy\u00ean nh\u01b0 l\u00e0 d\u1ecbch v\u1ee5: bao g\u1ed3m c\u1ea3 m\u00e1y ch\u1ee7, thi\u1ebft b\u1ecb m\u1ea1ng, b\u1ed9 nh\u1edb,CPU, kh\u00f4ng gian \u0111\u0129a c\u1ee9ng, trang thi\u1ebft b\u1ecb trung t\u00e2m d\u1eef li\u1ec7u.<\/p>\n\n\n\n \u2013 Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng linh ho\u1ea1t<\/p>\n\n\n\n \u2013 Chi ph\u00ed thay \u0111\u1ed5i t\u00f9y theo th\u1ef1c t\u1ebf<\/p>\n\n\n\n \u2013 Nhi\u1ec1u ng\u01b0\u1eddi thu\u00ea c\u00f3 th\u1ec3 c\u00f9ng d\u00f9ng chung tr\u00ean m\u1ed9t t\u00e0i nguy\u00ean<\/p>\n\n\n\n \u2013 C\u1ea5p \u0111\u1ed9 doanh nghi\u1ec7p: \u0111em l\u1ea1i l\u1ee3i \u00edch cho c\u00f4ng ty b\u1edfi m\u1ed9t ngu\u1ed3n t\u00e0i nguy\u00ean t\u00edch to\u00e1n t\u1ed5ng h\u1ee3p<\/p>\n\n\n\n V\u00ed d\u1ee5: Amazon EC2\/S3, Elastra (Beta 2.0 2\/2009), Nirvanix, AppNexus<\/p>\n\n\n\n \u0110\u1ecbnh ngh\u0129a<\/em>: PaaS (Platform as a Service) M\u00f4 h\u00ecnh PaaS cung c\u1ea5p c\u00e1ch th\u1ee9c cho ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng tr\u00ean m\u1ed9t n\u1ec1n t\u1ea3ng tr\u1eebu t\u01b0\u1ee3ng. N\u00f3 h\u1ed7 tr\u1ee3 vi\u1ec7c tri\u1ec3n khai \u1ee9ng d\u1ee5ng m\u00e0 kh\u00f4ng quan t\u00e2m \u0111\u1ebfn chi ph\u00ed hay s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a vi\u1ec7c trang b\u1ecb v\u00e0 qu\u1ea3n l\u00fd c\u00e1c l\u1edbp ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m b\u00ean d\u01b0\u1edbi, cung c\u1ea5p t\u1ea5t c\u1ea3 c\u00e1c t\u00ednh n\u0103ng c\u1ea7n thi\u1ebft \u0111\u1ec3 h\u1ed7 tr\u1ee3 vi\u1ec7c x\u00e2y d\u1ef1ng v\u00e0 cung c\u1ea5p m\u1ed9t \u1ee9ng d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5 web s\u1eb5n s\u00e0ng tr\u00ean Internet m\u00e0 kh\u00f4ng c\u1ea7n b\u1ea5t k\u00ec thao t\u00e1c t\u1ea3i hay c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m cho nh\u1eefng ng\u01b0\u1eddi ph\u00e1t tri\u1ec3n, qu\u1ea3n l\u00fd tin h\u1ecdc, hay ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i. PaaS cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c \u1ee9ng d\u1ee5ng m\u1ed9t c\u00e1ch nhanh ch\u00f3ng, khi nhi\u1ec1u r\u1eafc r\u1ed1i trong vi\u1ec7c thi\u1ebft l\u1eadp m\u00e1y ch\u1ee7, c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c nh\u00e0 cung c\u1ea5p PaaS gi\u1ea3i quy\u1ebft.<\/p>\n\n\n\n C\u00e1c \u0111\u1eb7c tr\u01b0ng ti\u00eau bi\u1ec3u<\/em>: \u2013 Ph\u1ee5c v\u1ee5 cho vi\u1ec7c ph\u00e1t tri\u1ec3n, ki\u1ec3m th\u1eed, tri\u1ec3n khai v\u00e0 v\u1eadn h\u00e0nh \u1ee9ng d\u1ee5ng gi\u1ed1ng nh\u01b0 l\u00e0 m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n t\u00edch h\u1ee3p.<\/p>\n\n\n\n \u2013 Cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 kh\u1edfi t\u1ea1o v\u1edbi giao di\u1ec7n tr\u00ean n\u1ec1n web.<\/p>\n\n\n\n \u2013 Ki\u1ebfn tr\u00fac \u0111\u1ed3ng nh\u1ea5t.<\/p>\n\n\n\n \u2013 T\u00edch h\u1ee3p d\u1ecbch v\u1ee5 web v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/p>\n\n\n\n \u2013 H\u1ed7 tr\u1ee3 c\u1ed9ng t\u00e1c nh\u00f3m ph\u00e1t tri\u1ec3n.<\/p>\n\n\n\n \u2013 Cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 ti\u1ec7n t\u00edch kh\u00e1c.<\/p>\n\n\n\n V\u00ed d\u1ee5: Google App Engine, Openshilt, Salesforce, Microsoft Azure,\u2026<\/p>\n\n\n\n \u0110\u1ecbnh ngh\u0129a<\/em>: SaaS (Software as a Service) l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh tri\u1ec3n khai \u1ee9ng d\u1ee5ng m\u00e0 \u1edf \u0111\u00f3 ng\u01b0\u1eddi cung c\u1ea5p cho ph\u00e9p ng\u01b0\u1eddi d\u1ee5ng s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 theo y\u00eau c\u1ea7u. Nh\u1eefng nh\u00e0 cung c\u1ea5p SaaS c\u00f3 th\u1ec3 l\u01b0u tr\u1eef \u1ee9ng d\u1ee5ng tr\u00ean m\u00e1y ch\u1ee7 c\u1ee7a h\u1ecd ho\u1eb7c t\u1ea3i \u1ee9ng d\u1ee5ng xu\u1ed1ng thi\u1ebft b\u1ecb kh\u00e1ch h\u00e0ng, v\u00f4 hi\u1ec7u h\u00f3a n\u00f3 sau khi k\u1ebft th\u00fac th\u1eddi h\u1ea1n. C\u00e1c ch\u1ee9c n\u0103ng theo y\u00eau c\u1ea7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u00ean trong \u0111\u1ec3 chia s\u1ebb b\u1ea3n quy\u1ec1n c\u1ee7a m\u1ed9t nh\u00e0 cung c\u1ea5p \u1ee9ng d\u1ee5ng th\u1ee9 ba.<\/p>\n\n\n\n C\u00e1c \u0111\u1eb7c tr\u01b0ng ti\u00eau bi\u1ec3u:<\/em><\/p>\n\n\n\n \u2013 Ph\u1ea7n m\u1ec1m s\u1eb5n c\u00f3 \u0111\u00f2i h\u1ecfi vi\u1ec7c truy xu\u1ea5t, qu\u1ea3n l\u00fd qua m\u1ea1ng.<\/p>\n\n\n\n \u2013 Qu\u1ea3n l\u00fd c\u00e1c ho\u1ea1t d\u1ed9ng t\u1eeb m\u1ed9t v\u1ecb tr\u00ed t\u1eadp trung h\u01a1n l\u00e0 t\u1ea1i m\u1ed7i n\u01a1i c\u1ee7a kh\u00e1ch h\u00e0ng, cho ph\u00e9p kh\u00e1c h\u00e0ng truy xu\u1ea5t t\u1eeb xa th\u00f4ng qua web.<\/p>\n\n\n\n \u2013 Cung c\u1ea5p \u1ee9ng d\u1ee5ng th\u00f4ng th\u01b0\u1eddng g\u1ea7n g\u0169i v\u1edbi m\u00f4 h\u00ecnh \u00e1nh x\u1ea1 t\u1eeb m\u1ed9t \u0111\u1ebfn nhi\u1ec1u h\u01a1n l\u00e0 m\u00f4 h\u00ecnh 1:1 bao g\u1ed3m c\u1ea3 c\u00e1c \u0111\u1eb7c tr\u01b0ng ki\u1ebfn tr\u00fac, gi\u00e1 c\u1ea3 v\u00e0 qu\u1ea3n l\u00fd.<\/p>\n\n\n\n \u2013 Nh\u1eefng t\u00ednh n\u0103ng t\u1eadp trung n\u00e2ng c\u1ea5p, gi\u1ea3i ph\u00f3ng ng\u01b0\u1eddi d\u00f9ng kh\u1ecfi vi\u1ec7c t\u1ea3i c\u00e1c b\u1ea3n v\u00e1 l\u1ed7i v\u00e0 c\u1eadp nh\u1eadt.<\/p>\n\n\n\n \u2013 Th\u01b0\u1eddng xuy\u00ean t\u00edch h\u1ee3p nh\u1eefng ph\u1ea7n m\u1ec1m giao ti\u1ebfp tr\u00ean m\u1ea1ng di\u1ec7n r\u1ed9ng<\/p>\n\n\n\n V\u00ed d\u1ee5: D\u1ecbch v\u1ee5 email hay c\u00e1c \u1ee9ng d\u1ee5ng Google Docs, Google Calendar c\u1ee7a Google,\u2026<\/p>\n\n\n\n 3. C\u00e1c m\u00f4 h\u00ecnh tri\u1ec3n khai<\/strong><\/p>\n\n\n\n \u0110\u1ecbnh ngh\u0129a<\/em>: Private cloud l\u00e0 c\u00e1c d\u1ecbch v\u1ee5 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y \u0111\u01b0\u1ee3c cung c\u1ea5p trong c\u00e1c doanh nghi\u1ec7p. Nh\u1eefng \u201c\u0111\u00e1m m\u00e2y\u201d n\u00e0y t\u1ed3n t\u1ea1i b\u00ean trong t\u01b0\u1eddng l\u1eeda c\u1ee7a c\u00f4ng ty v\u00e0 \u0111\u01b0\u1ee3c c\u00e1c doanh nghi\u1ec7p tr\u1ef1c ti\u1ebfp qu\u1ea3n l\u00fd. \u0110\u00e2y l\u00e0 xu h\u01b0\u1edbng t\u1ea5t y\u1ebfu cho c\u00e1c doanh nghi\u1ec7p nh\u1eb1m t\u1ed1i \u01b0u h\u00f3a h\u1ea1 t\u1ea7ng c\u00f4ng ngh\u1ec7 th\u00f4ng tin. \u0110\u1ed1i t\u01b0\u1ee3ng s\u1eed d\u1ee5ng: N\u1ed9i b\u1ed9 doanh nghi\u1ec7p s\u1eed d\u1ee5ng v\u00e0 qu\u1ea3n l\u00fd<\/p>\n\n\n\n \u01afu \u0111i\u1ec3m<\/em>: Ch\u1ee7 \u0111\u1ed9ng s\u1eed d\u1ee5ng, n\u00e2ng c\u1ea5p, qu\u1ea3n l\u00fd, gi\u1ea3m chi ph\u00ed, b\u1ea3o m\u1eadt t\u1ed1t,\u2026<\/p>\n\n\n\n Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/em>:<\/p>\n\n\n\n \u2013 Kh\u00f3 kh\u0103n v\u1ec1 c\u00f4ng ngh\u1ec7 khi tri\u1ec3n khai v\u00e0 chi ph\u00ed x\u00e2y d\u1ef1ng, duy tr\u00ec h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n \u2013 H\u1ea1n ch\u1ebf s\u1eed d\u1ee5ng trong n\u1ed9i b\u1ed9 doanh nghi\u1ec7p, ng\u01b0\u1eddi d\u00f9ng \u1edf ngo\u00e0i kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng.<\/p>\n\n\n\n \u0110\u1ecbnh ngh\u0129a<\/em>: L\u00e0 c\u00e1c d\u1ecbch v\u1ee5 \u0111\u01b0\u1ee3c b\u00ean th\u1ee9 3 (ng\u01b0\u1eddi b\u00e1n) cung c\u1ea5p. Ch\u00fang t\u1ed3n t\u1ea1i ngo\u00e0i t\u01b0\u1eddng l\u1eeda c\u1ee7a c\u00f4ng ty v\u00e0 \u0111\u01b0\u1ee3c nh\u00e0 cung c\u1ea5p \u0111\u00e1m m\u00e2y qu\u1ea3n l\u00fd. N\u00f3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng nh\u1eb1m ph\u1ee5c v\u1ee5 cho m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u00f4ng c\u1ed9ng, ng\u01b0\u1eddi d\u00f9ng s\u1ebd \u0111\u0103ng k\u00fd v\u1edbi nh\u00e0 cung c\u1ea5p v\u00e0 tr\u1ea3 ph\u00ed s\u1eed d\u1ee5ng d\u1ef1a theo ch\u00ednh s\u00e1ch gi\u00e1 c\u1ee7a nh\u00e0 cung c\u1ea5p. Public cloud l\u00e0 m\u00f4 h\u00ecnh tri\u1ec3n khai \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay c\u1ee7a cloud computing. \u0110\u1ed1i t\u01b0\u1ee3ng s\u1eed d\u1ee5ng: Bao g\u1ed3m ng\u01b0\u1eddi d\u00f9ng b\u00ean ngo\u00e0i internet. \u0110\u1ed1i t\u01b0\u1ee3ng qu\u1ea3n l\u00fd l\u00e0 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5. \u01afu \u0111i\u1ec3m<\/em>:<\/p>\n\n\n\n \u2013 Ph\u1ee5c v\u1ee5 \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng h\u01a1n, kh\u00f4ng b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi kh\u00f4ng gian v\u00e0 th\u1eddi gian.<\/p>\n\n\n\n \u2013 Ti\u1ebft ki\u1ec7m h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7, \u0111i\u1ec7n n\u0103ng v\u00e0 nh\u00e2n c\u00f4ng cho doanh nghi\u1ec7p.<\/p>\n\n\n\n Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/em>:<\/p>\n\n\n\n \u2013 C\u00e1c doanh nghi\u1ec7p ph\u1ee5 thu\u1ed9c v\u00e0o nh\u00e0 cung c\u1ea5p kh\u00f4ng c\u00f3 to\u00e0n quy\u1ec1n qu\u1ea3n l\u00fd.<\/p>\n\n\n\n \u2013 G\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c l\u01b0u tr\u1eef c\u00e1c v\u0103n b\u1ea3n, th\u00f4ng tin n\u1ed9i b\u1ed9.<\/p>\n\n\n\n \u0110\u1ecbnh ngh\u0129a<\/em>: L\u00e0 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a private cloud v\u00e0 public cloud. Cho ph\u00e9p ta khai th\u00e1c \u0111i\u1ec3m m\u1ea1nh c\u1ee7a t\u1eebng m\u00f4 h\u00ecnh c\u0169ng nh\u01b0 \u0111\u01b0a ra ph\u01b0\u01a1ng th\u1ee9c s\u1eed d\u1ee5ng t\u1ed1i \u01b0u cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng. Nh\u1eefng \u201c\u0111\u00e1m m\u00e2y\u201d n\u00e0y th\u01b0\u1eddng do doanh nghi\u1ec7p t\u1ea1o ra v\u00e0 vi\u1ec7c qu\u1ea3n l\u00fd s\u1ebd \u0111\u01b0\u1ee3c ph\u00e2n chia gi\u1eefa doanh nghi\u1ec7p v\u00e0 nh\u00e0 cung c\u1ea5p \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng.<\/p>\n\n\n\n \u0110\u1ed1i t\u01b0\u1ee3ng s\u1eed d\u1ee5ng<\/em>: Doang nghi\u1ec7p v\u00e0 nh\u00e0 cung c\u1ea5p qu\u1ea3n l\u00fd theo s\u1ef1 th\u1ecfa thu\u1eadn. Ng\u01b0\u1eddi s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 c\u1ee7a nh\u00e0 cung c\u1ea5p v\u00e0 d\u1ecbch v\u1ee5 ri\u00eang c\u1ee7a doanh nghi\u1ec7p.<\/p>\n\n\n\n \u01afu \u0111i\u1ec3m<\/em>: Doanh nghi\u1ec7p 1 l\u00fac c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c nhi\u1ec1u d\u1ecbch v\u1ee5 m\u00e0 kh\u00f4ng b\u1ecb gi\u1edbi h\u1ea1n.<\/p>\n\n\n\n Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/em>: Kh\u00f3 kh\u0103n trong vi\u1ec7c tri\u1ec3n khai v\u00e0 qu\u1ea3n l\u00fd. T\u1ed1n nhi\u1ec1u chi ph\u00ed.<\/p>\n\n\n\n 4. CloudStack l\u00e0 g\u00ec ?<\/strong><\/p>\n\n\n\n Cloudstack l\u00e0 n\u1ec1n t\u1ea3ng cho c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00e1m m\u00e2y v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng Datacenter c\u00f3 th\u1ec3 nhanh ch\u00f3ng v\u00e0 d\u1ec5 d\u00e0ng x\u00e2y d\u1ef1ng d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y tr\u00ean c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng hi\u1ec7n c\u00f3. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng l\u1ee3i th\u1ebf c\u1ee7a \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y \u0111\u1ec3 cung c\u1ea5p hi\u1ec7u qu\u1ea3 cao h\u01a1n, quy m\u00f4 kh\u00f4ng gi\u1edbi h\u1ea1n v\u00e0 tri\u1ec3n khai nhanh c\u00e1c d\u1ecbch v\u1ee5 m\u1edbi v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng cho ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i. Cloudstack cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng ph\u1ed1i h\u1ee3p \u1ea3o h\u00f3a server, network, network storage \u0111\u1ec3 cung c\u1ea5p Infrastructure \u2013as-a service (Iaas) gi\u1ed1ng nh\u01b0 c\u00e1c nh\u00e0 cung c\u1ea5p hosting nh\u01b0ng v\u1edbi ph\u1ea7n c\u1ee9ng ri\u00eang c\u1ee7a h\u1ecd.<\/p>\n\n\n\n Cloudstack l\u00e0 h\u1ec7 th\u1ed1ng\u201ccloud operating system \u201c m\u00e3 ngu\u1ed3n m\u1edf , n\u00f3 cho ph\u00e9p x\u00e2y d\u1ef1ng \u201cpublic cloud computing \u201c t\u01b0\u01a1ng t\u1ef1 Amazon EC2 hay Private Cloud, Hybird Cloud. Cloudstack ph\u1ed1i h\u1ee3p c\u00e1c ngu\u1ed3n t\u00e0i nguy\u00ean \u1ea3o h\u00f3a c\u1ee7a b\u1ea1n th\u00e0nh m\u1ed9t m\u00f4i tr\u01b0\u1eddng \u0111\u1ed3ng nh\u1ea5t, n\u01a1i b\u1ea1n c\u00f3 th\u1ec3 \u1ee7y nhi\u1ec7m cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng t\u1ef1 t\u1ea1o c\u00e1c m\u00e1y \u1ea3o v\u00e0 s\u1eed d\u1ee5ng t\u00f9y theo nhu c\u1ea7u ri\u00eang c\u1ee7a h\u1ecd.<\/p>\n\n\n\n \u2022 Ki\u1ebfn tr\u00fac Cloudstack:<\/p>\n\n\n\n Advance Network:m\u1ed7i account s\u1ebd ch\u1ea1y tr\u00ean c\u00e1c m\u1ea1ng ri\u00eang g\u1ecdi l\u00e0 virtual network v\u00ec th\u1ebf n\u00ean ch\u00fang ho\u00e0n to\u00e0n c\u00f4 l\u1eadp v\u1edbi nhau. Advanced network s\u1eed d\u1ee5ng Source NAT nh\u1eb1m gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng IP public, khi \u0111\u00f3 m\u1ed7i account g\u1ed3m m\u1ed9t hay nhi\u1ec1u VMs s\u1eed d\u1ee5ng chung1 IP public.<\/p>\n\n\n\n \u2022 Hypervisor<\/p>\n\n\n\n Hypervisor l\u00e0 h\u1ec7 th\u1ed1ng cho ph\u00e9p nhi\u1ec1u h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u00f9ng ch\u1ea1y tr\u00ean c\u00f9ng m\u1ed9t m\u00e1y v\u1eadt l\u00fd duy nh\u1ea5t. Trong ki\u1ebfn tr\u00fac c\u1ee7a CPU X86 quy\u1ec1n s\u1eed l\u00fd \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c level ring. Ring 0 l\u00e0 ring c\u00f3 quy\u1ec1n cao nh\u1ea5t c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 supervisor mode v\u00e0 th\u00f4ng th\u01b0\u1eddng c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh ch\u1ea1y \u1edf ring n\u00e0y, c\u00e1c \u1ee9ng d\u1ee5ng tr\u00ean h\u1ec7 \u0111i\u1ec1u h\u00e0nh ch\u1ea1y \u1edf ring 3. Nh\u01b0ng \u0111\u1ec3 c\u00f3 th\u1ec3 ch\u1ea1y nhi\u1ec1u h\u1ec7 \u0111i\u1ec1u h\u00e0nh tr\u00ean m\u1ed9t ph\u1ea7n c\u1ee9ng th\u00ec hypervisor ph\u1ea3i ch\u1ea1y tr\u00ean ring 0 nh\u1eb1m cung c\u1ea5p v\u00e0 qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean cho c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh. \u0110\u1ec3 C\u00f3 hai c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u1eb1m gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 tr\u00ean:<\/p>\n\n\n\n PVHCM: s\u1eed d\u1ee5ng kh\u00e1i ni\u1ec7m Dom0 v\u00e0 DomU, Dom0 h\u1ec7 hi\u1ec1u h\u00e0nh \u0111\u1ea7u ti\u00ean ch\u1ea1y , c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u00f2n l\u1ea1i g\u1ecdi l\u00e0 DomU , c\u00e1c DomU t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u1ea1ng v\u00e0 ph\u1ea7n c\u1ee9ng qua Dom0.<\/p>\n","protected":false},"excerpt":{"rendered":" 1. 6 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a Clouds D\u1ecbch v\u1ee5 theo nhu c\u1ea7u (On-demand self-service): Kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c cung c\u1ea5p t\u00e0i nguy\u00ean d\u01b0\u1edbi d\u1ea1ng m\u00e1y ch\u1ee7 hay dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef,\u2026m\u1ed9t c\u00e1ch t\u1ef1 \u0111\u1ed9ng theo y\u00eau c\u1ea7u m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i c\u00f3 s\u1ef1 can thi\u1ec7p t\u1eeb ph\u00eda nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5. Truy c\u1eadp d\u1ec5 […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[122,128],"tags":[],"class_list":["post-1927","post","type-post","status-publish","format-standard","hentry","category-blog","category-tech"],"_links":{"self":[{"href":"https:\/\/uetacad.com\/wp-json\/wp\/v2\/posts\/1927"}],"collection":[{"href":"https:\/\/uetacad.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/uetacad.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/uetacad.com\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/uetacad.com\/wp-json\/wp\/v2\/comments?post=1927"}],"version-history":[{"count":1,"href":"https:\/\/uetacad.com\/wp-json\/wp\/v2\/posts\/1927\/revisions"}],"predecessor-version":[{"id":1948,"href":"https:\/\/uetacad.com\/wp-json\/wp\/v2\/posts\/1927\/revisions\/1948"}],"wp:attachment":[{"href":"https:\/\/uetacad.com\/wp-json\/wp\/v2\/media?parent=1927"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/uetacad.com\/wp-json\/wp\/v2\/categories?post=1927"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/uetacad.com\/wp-json\/wp\/v2\/tags?post=1927"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}D\u1ecbch v\u1ee5 h\u1ea1 t\u1ea7ng (IaaS)<\/code><\/p>\n\n\n\n
D\u1ecbch v\u1ee5 n\u1ec1n t\u1ea3ng (PaaS)<\/code><\/p>\n\n\n\n
D\u1ecbch v\u1ee5 ph\u1ea7n m\u1ec1m (SaaS)<\/code><\/p>\n\n\n\n
Private cloud<\/code><\/p>\n\n\n\n
Public cloud<\/code><\/p>\n\n\n\n
Hybrid cloud<\/code><\/p>\n\n\n\n