{"id":3550,"date":"2025-11-28T00:00:00","date_gmt":"2025-11-28T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/what-is-data-center-virtualization-and-why-it-matters\/"},"modified":"2026-06-22T04:32:24","modified_gmt":"2026-06-22T04:32:24","slug":"what-is-data-center-virtualization-and-why-it-matters","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-data-center-virtualization-and-why-it-matters","title":{"rendered":"Trung t\u00e2m d\u1eef li\u1ec7u \u1ea3o h\u00f3a l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n d\u00e0nh cho CNTT hi\u1ec7n \u0111\u1ea1i"},"content":{"rendered":"
\"What<\/figure>\n\n\n\n

Trong n\u1ec1n kinh t\u1ebf s\u1ed1 n\u0103ng \u0111\u1ed9ng ng\u00e0y nay, t\u00ednh linh ho\u1ea1t v\u00e0 hi\u1ec7u qu\u1ea3 kh\u00f4ng ch\u1ec9 l\u00e0 nh\u1eefng l\u1ee3i th\u1ebf\u2014m\u00e0 c\u00f2n l\u00e0 nh\u1eefng y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c. C\u00e1c trung t\u00e2m d\u1eef li\u1ec7u truy\u1ec1n th\u1ed1ng, v\u1edbi m\u00f4 h\u00ecnh \u201cm\u1ed9t m\u00e1y ch\u1ee7, m\u1ed9t \u1ee9ng d\u1ee5ng\u201d, th\u01b0\u1eddng c\u1ee9ng nh\u1eafc, t\u1ed1n k\u00e9m v\u00e0 k\u00e9m hi\u1ec7u qu\u1ea3. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac \u1ea3o h\u00f3a trung t\u00e2m d\u1eef li\u1ec7u<\/strong> ph\u00e1t huy vai tr\u00f2, m\u1ed9t c\u00f4ng ngh\u1ec7 chuy\u1ec3n \u0111\u1ed5i \u0111ang tr\u1edf th\u00e0nh n\u1ec1n t\u1ea3ng c\u1ee7a \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y hi\u1ec7n \u0111\u1ea1i v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng CNTT.<\/p>\n\n\n\n

Nh\u01b0ng th\u1ef1c ch\u1ea5t n\u00f3 l\u00e0 g\u00ec? M\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, \u1ea3o h\u00f3a trung t\u00e2m d\u1eef li\u1ec7u<\/strong> l\u00e0 qu\u00e1 tr\u00ecnh t\u1ea1o ra phi\u00ean b\u1ea3n \u1ea3o (thay v\u00ec v\u1eadt l\u00fd) c\u1ee7a c\u00e1c t\u00e0i nguy\u00ean trung t\u00e2m d\u1eef li\u1ec7u. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m m\u00e1y ch\u1ee7, l\u01b0u tr\u1eef, m\u1ea1ng v\u00e0 th\u1eadm ch\u00ed c\u1ea3 m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n. B\u1eb1ng c\u00e1ch t\u00e1ch c\u00e1c t\u00e0i nguy\u00ean n\u00e0y ra kh\u1ecfi ph\u1ea7n c\u1ee9ng n\u1ec1n t\u1ea3ng, c\u00e1c t\u1ed5 ch\u1ee9c c\u00f3 th\u1ec3 ch\u1ea1y nhi\u1ec1u h\u1ec7 th\u1ed1ng \u1ea3o v\u00e0 \u1ee9ng d\u1ee5ng tr\u00ean m\u1ed9t m\u00e1y v\u1eadt l\u00fd duy nh\u1ea5t.<\/p>\n\n\n\n

H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd l\u00e0m r\u00f5 kh\u00e1i ni\u1ec7m \u1ea3o h\u00f3a trung t\u00e2m d\u1eef li\u1ec7u, kh\u00e1m ph\u00e1 nh\u1eefng l\u1ee3i \u00edch s\u00e2u s\u1eafc c\u1ee7a n\u00f3 v\u00e0 nh\u1ea5n m\u1ea1nh vai tr\u00f2 then ch\u1ed1t c\u1ee7a ph\u1ea7n c\u1ee9ng ti\u00ean ti\u1ebfn, bao g\u1ed3m M\u00f4-\u0111un quang t\u1ed1c \u0111\u1ed9 cao<\/strong><\/a> from <\/strong>LINK-PP<\/strong><\/a>, \u0111\u1ed1i v\u1edbi th\u00e0nh c\u00f4ng c\u1ee7a gi\u1ea3i ph\u00e1p n\u00e0y. D\u00f9 b\u1ea1n l\u00e0 qu\u1ea3n l\u00fd CNTT hay ng\u01b0\u1eddi \u0111am m\u00ea c\u00f4ng ngh\u1ec7, b\u1ea1n \u0111\u1ec1u s\u1ebd hi\u1ec3u v\u00ec sao \u1ea3o h\u00f3a l\u00e0 tr\u1ee5 c\u1ed9t c\u1ee7a m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c CNTT hi\u1ec7u qu\u1ea3, m\u1edf r\u1ed9ng quy m\u00f4 \u0111\u01b0\u1ee3c v\u00e0 s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai.<\/p>\n\n\n\n

\u27a4 Th\u1ef1c ch\u1ea5t \u1ea3o h\u00f3a trung t\u00e2m d\u1eef li\u1ec7u l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n

V\u1ec1 b\u1ea3n ch\u1ea5t, \u1ea3o h\u00f3a trung t\u00e2m d\u1eef li\u1ec7u s\u1eed d\u1ee5ng m\u1ed9t l\u1edbp ph\u1ea7n m\u1ec1m g\u1ecdi l\u00e0 b\u1ed9 gi\u00e1m s\u00e1t (hypervisor)<\/strong> \u0111\u1ec3 t\u00e1ch ph\u1ea7n c\u1ee9ng v\u1eadt l\u00fd ra kh\u1ecfi h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng. B\u1ed9 gi\u00e1m s\u00e1t (v\u00ed d\u1ee5: VMware vSphere, Microsoft Hyper-V) ch\u1ea1y tr\u1ef1c ti\u1ebfp tr\u00ean ph\u1ea7n c\u1ee9ng m\u00e1y ch\u1ee7 v\u00e0 cho ph\u00e9p b\u1ea1n t\u1ea1o v\u00e0 v\u1eadn h\u00e0nh nhi\u1ec1u m\u00e1y \u1ea3o (VM). M\u1ed7i m\u00e1y \u1ea3o ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t m\u00e1y t\u00ednh ho\u00e0n ch\u1ec9nh, t\u1ef1 ch\u1ee9a, v\u1edbi h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 \u1ee9ng d\u1ee5ng ri\u00eang, \u0111\u1ed3ng th\u1eddi chia s\u1ebb t\u00e0i nguy\u00ean c\u1ee7a m\u1ed9t m\u00e1y ch\u1ee7 v\u1eadt l\u00fd duy nh\u1ea5t.<\/p>\n\n\n\n

Qu\u00e1 tr\u00ecnh n\u00e0y chuy\u1ec3n trung t\u00e2m d\u1eef li\u1ec7u t\u1eeb m\u00f4i tr\u01b0\u1eddng t\u0129nh, t\u1eadp trung v\u00e0o ph\u1ea7n c\u1ee9ng sang m\u1ed9t nh\u00f3m t\u00e0i nguy\u00ean linh ho\u1ea1t v\u00e0 \u0111\u1ed9ng. \u0110\u00e2y l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ed1i v\u1edbi c\u00e1c doanh nghi\u1ec7p h\u01b0\u1edbng t\u1edbi t\u1ed1i \u01b0u h\u00f3a qu\u1ea3n l\u00fd c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng CNTT<\/strong> v\u00e0 gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh.<\/p>\n\n\n\n

\"Data<\/figure>\n\n\n\n

\u27a4 Nh\u1eefng l\u1ee3i \u00edch n\u1ed5i b\u1eadt: V\u00ec sao b\u1ea1n c\u1ea7n tri\u1ec3n khai \u1ea3o h\u00f3a<\/strong><\/h2>\n\n\n\n

Vi\u1ec7c chuy\u1ec3n sang trung t\u00e2m d\u1eef li\u1ec7u \u1ea3o h\u00f3a<\/strong> kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t n\u00e2ng c\u1ea5p k\u1ef9 thu\u1eadt\u2014m\u00e0 c\u00f2n l\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh chi\u1ebfn l\u01b0\u1ee3c v\u1ec1 m\u1eb7t kinh doanh. Nh\u1eefng l\u1ee3i \u00edch mang t\u00ednh \u0111a chi\u1ec1u, t\u00e1c \u0111\u1ed9ng c\u1ea3 \u0111\u1ebfn l\u1ee3i nhu\u1eadn cu\u1ed1i c\u00f9ng l\u1eabn t\u00ednh linh ho\u1ea1t trong v\u1eadn h\u00e0nh.<\/p>\n\n\n\n

\n\n<\/colgroup>

L\u1ee3i \u00edch<\/p><\/th>

M\u00f4 t\u1ea3<\/p><\/th>

T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn doanh nghi\u1ec7p<\/p><\/th><\/tr>

Gi\u1ea3m chi ph\u00ed<\/strong><\/p><\/td>

Gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u (CapEx) nh\u1edd gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng m\u00e1y ch\u1ee7 v\u1eadt l\u00fd, b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u00e0 m\u1ea3ng l\u01b0u tr\u1eef c\u1ea7n thi\u1ebft. \u0110\u1ed3ng th\u1eddi c\u0169ng c\u1eaft gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh (OpEx) li\u00ean quan \u0111\u1ebfn \u0111i\u1ec7n n\u0103ng, l\u00e0m m\u00e1t v\u00e0 kh\u00f4ng gian v\u1eadt l\u00fd.<\/p><\/td>

\u2705 Ti\u1ebft ki\u1ec7m \u0111\u00e1ng k\u1ec3 chi ph\u00ed ph\u1ea7n c\u1ee9ng v\u00e0 h\u00f3a \u0111\u01a1n ti\u1ec7n \u00edch.<\/p><\/td><\/tr>

T\u0103ng c\u01b0\u1eddng t\u00ednh linh ho\u1ea1t & t\u1ed1c \u0111\u1ed9<\/strong><\/p><\/td>

Vi\u1ec7c tri\u1ec3n khai m\u1ed9t m\u00e1y ch\u1ee7 m\u1edbi c\u00f3 th\u1ec3 ho\u00e0n t\u1ea5t trong v\u00e0i ph\u00fat thay v\u00ec m\u1ea5t h\u00e0ng ng\u00e0y ho\u1eb7c h\u00e0ng tu\u1ea7n. \u0110i\u1ec1u n\u00e0y \u0111\u1ea9y nhanh vi\u1ec7c tri\u1ec3n khai \u1ee9ng d\u1ee5ng v\u00e0 r\u00fat ng\u1eafn th\u1eddi gian \u0111\u01b0a d\u1ecbch v\u1ee5 m\u1edbi ra th\u1ecb tr\u01b0\u1eddng.<\/p><\/td>

\u2705 Ph\u1ea3n h\u1ed3i nhanh h\u01a1n tr\u01b0\u1edbc c\u00e1c y\u00eau c\u1ea7u v\u00e0 c\u01a1 h\u1ed9i kinh doanh.<\/p><\/td><\/tr>

C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i sau s\u1ef1 c\u1ed1 & t\u00ednh li\u00ean t\u1ee5c kinh doanh<\/strong><\/p><\/td>

C\u00e1c m\u00e1y \u1ea3o \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i d\u01b0\u1edbi d\u1ea1ng t\u1eadp tin, gi\u00fap vi\u1ec7c sao l\u01b0u, nh\u00e2n b\u1ea3n v\u00e0 di chuy\u1ec3n tr\u1edf n\u00ean d\u1ec5 d\u00e0ng. C\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0 di chuy\u1ec3n n\u00f3ng (live migration) cho ph\u00e9p b\u1ea1n di chuy\u1ec3n m\u00e1y \u1ea3o \u0111ang ch\u1ea1y gi\u1eefa c\u00e1c m\u00e1y ch\u1ee7 m\u00e0 kh\u00f4ng g\u00e2y gi\u00e1n \u0111o\u1ea1n.<\/p><\/td>

\u2705 Th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng cao h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i m\u1ea1nh m\u1ebd tr\u01b0\u1edbc c\u00e1c s\u1ef1 c\u1ed1.<\/p><\/td><\/tr>

N\u00e2ng cao hi\u1ec7u su\u1ea5t & m\u1ee9c s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean<\/strong><\/p><\/td>

G\u1ed9p c\u00e1c kh\u1ed1i c\u00f4ng vi\u1ec7c t\u1eeb c\u00e1c m\u00e1y ch\u1ee7 v\u1eadt l\u00fd ch\u01b0a s\u1eed d\u1ee5ng h\u1ebft t\u00e0i nguy\u00ean v\u00e0o \u00edt m\u00e1y h\u01a1n, n\u00e2ng t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng ph\u1ea7n c\u1ee9ng t\u1eeb 5\u201315% l\u00ean 80% ho\u1eb7c cao h\u01a1n.<\/p><\/td>

\u2705 T\u1ed1i \u0111a h\u00f3a l\u1ee3i t\u1ee9c \u0111\u1ea7u t\u01b0 t\u1eeb ph\u1ea7n c\u1ee9ng hi\u1ec7n c\u00f3.<\/p><\/td><\/tr>

Qu\u1ea3n l\u00fd \u0111\u01a1n gi\u1ea3n h\u00f3a<\/strong><\/p><\/td>

C\u00e1c b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n qu\u1ea3n l\u00fd t\u1eadp trung cung c\u1ea5p \u201cm\u1ed9t giao di\u1ec7n duy nh\u1ea5t\u201d \u0111\u1ec3 gi\u00e1m s\u00e1t to\u00e0n b\u1ed9 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u1ea3o, \u0111\u01a1n gi\u1ea3n h\u00f3a c\u00e1c t\u00e1c v\u1ee5 v\u00e0 gi\u1ea3m g\u00e1nh n\u1eb7ng qu\u1ea3n tr\u1ecb.<\/p><\/td>

\u2705 N\u00e2ng cao n\u0103ng su\u1ea5t CNTT v\u00e0 gi\u1ea3m \u0111\u1ed9 ph\u1ee9c t\u1ea1p trong qu\u1ea3n l\u00fd.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n

\u27a4 C\u00e1c lo\u1ea1i \u1ea3o h\u00f3a trung t\u00e2m d\u1eef li\u1ec7u ch\u1ee7 ch\u1ed1t<\/strong><\/h2>\n\n\n\n

\u1ea2o h\u00f3a<\/strong> kh\u00f4ng ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf m\u00e1y ch\u1ee7. M\u1ed9t trung t\u00e2m d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c \u1ea3o h\u00f3a \u0111\u1ea7y \u0111\u1ee7 bao g\u1ed3m nhi\u1ec1u l\u1edbp:<\/p>\n\n\n\n

    \n

  1. \u1ea2o h\u00f3a m\u00e1y ch\u1ee7:<\/strong> H\u00ecnh th\u1ee9c ph\u1ed5 bi\u1ebfn nh\u1ea5t, trong \u0111\u00f3 m\u1ed9t m\u00e1y ch\u1ee7 v\u1eadt l\u00fd \u0111\u01b0\u1ee3c chia th\u00e0nh nhi\u1ec1u m\u00e1y ch\u1ee7 \u1ea3o \u0111\u1ed9c l\u1eadp.<\/p><\/li>

  2. \u1ea2o h\u00f3a m\u1ea1ng:<\/strong> Li\u00ean quan \u0111\u1ebfn vi\u1ec7c tr\u1eebu t\u01b0\u1ee3ng h\u00f3a c\u00e1c t\u00e0i nguy\u00ean m\u1ea1ng nh\u1eb1m t\u1ea1o ra c\u00e1c m\u1ea1ng \u1ea3o \u0111\u1ed9c l\u1eadp v\u1edbi ph\u1ea7n c\u1ee9ng v\u1eadt l\u00fd n\u1ec1n t\u1ea3ng. C\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0 M\u1ea1ng \u0110\u01b0\u1ee3c \u0110\u1ecbnh Ngh\u0129a B\u1eb1ng Ph\u1ea7n M\u1ec1m (SDN)<\/strong><\/a> and \u1ea3o h\u00f3a ch\u1ee9c n\u0103ng m\u1ea1ng (NFV)<\/strong> thu\u1ed9c ph\u1ea1m tr\u00f9 n\u00e0y, gi\u00fap qu\u1ea3n l\u00fd m\u1ea1ng linh ho\u1ea1t v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u01a1n.<\/p><\/li>

  3. \u1ea2o h\u00f3a l\u01b0u tr\u1eef:<\/strong> T\u1eadp h\u1ee3p t\u00e0i nguy\u00ean l\u01b0u tr\u1eef v\u1eadt l\u00fd t\u1eeb nhi\u1ec1u thi\u1ebft b\u1ecb l\u01b0u tr\u1eef m\u1ea1ng th\u00e0nh m\u1ed9t \u0111\u01a1n v\u1ecb l\u01b0u tr\u1eef t\u1eadp trung duy nh\u1ea5t. \u0110i\u1ec1u n\u00e0y \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u1ea3n l\u00fd l\u01b0u tr\u1eef v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng.<\/p><\/li>

  4. \u1ea2o h\u00f3a m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n (VDI):<\/strong> L\u01b0u tr\u1eef h\u1ec7 \u0111i\u1ec1u h\u00e0nh m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n tr\u00ean m\u1ed9t m\u00e1y ch\u1ee7 trung t\u00e2m, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp v\u00e0o m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n c\u00e1 nh\u00e2n t\u1eeb b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb n\u00e0o.<\/p><\/li>\n<\/ol>\n\n\n\n

    \u27a4 C\u01a1 ch\u1ebf v\u1eadn h\u00e0nh: Vai tr\u00f2 c\u1ee7a b\u1ed9 gi\u00e1m s\u00e1t (hypervisor)<\/strong><\/h2>\n\n\n\n

    S\u1ef1 k\u1ef3 di\u1ec7u c\u1ee7a \u1ea3o h\u00f3a<\/strong> \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi b\u1ed9 gi\u00e1m s\u00e1t (hypervisor). H\u00e3y h\u00ecnh dung n\u00f3 nh\u01b0 m\u1ed9t b\u1ed9 \u0111i\u1ec1u khi\u1ec3n l\u01b0u l\u01b0\u1ee3ng si\u00eau hi\u1ec7u qu\u1ea3 d\u00e0nh cho c\u00e1c t\u00e0i nguy\u00ean m\u00e1y ch\u1ee7 (CPU, b\u1ed9 nh\u1edb, l\u01b0u tr\u1eef).<\/p>\n\n\n\n