{"id":33389,"date":"2025-03-04T10:15:52","date_gmt":"2025-03-04T07:15:52","guid":{"rendered":"https:\/\/web-dev.iptp.net\/?p=33389"},"modified":"2025-10-28T10:54:56","modified_gmt":"2025-10-28T07:54:56","slug":"data-centers-and-their-tiers","status":"publish","type":"post","link":"https:\/\/www.iptp.us\/vi\/blog\/data-centers-and-their-tiers\/","title":{"rendered":"Trung t\u00e2m D\u1eef li\u1ec7u v\u00e0 c\u00e1c C\u1ea5p \u0111\u1ed9 c\u1ee7a ch\u00fang"},"content":{"rendered":"<p>H&ocirc;m nay, ch&uacute;ng t&ocirc;i mu&#7889;n trao &#273;&#7893;i v&#7899;i b&#7841;n v&#7873; nh&#7919;ng &#273;i&#7873;u c&oacute; v&#7867; nh&#432; b&#7883; hi&#7875;u sai nh&#432;ng l&#7841;i v&ocirc; c&ugrave;ng quan tr&#7885;ng: c&aacute;c c&#7845;p &#273;&#7897; kh&aacute;c nhau c&#7911;a <a href=\"https:\/\/www.iptp.us\/vi\/network\/datacenter-services\/\">trung t&acirc;m d&#7919; li&#7879;u<\/a> t&#7915; Tier I &#273;&#7871;n Tier IV+. V&#7899;i kinh nghi&#7879;m phong ph&uacute; trong nhi&#7873;u lo&#7841;i c&#417; s&#7903; h&#7841; t&#7847;ng, ch&uacute;ng t&ocirc;i c&oacute; th&#7875; kh&#7859;ng &#273;&#7883;nh r&#7857;ng kh&ocirc;ng ph&#7843;i t&#7845;t c&#7843; c&aacute;c trung t&acirc;m d&#7919; li&#7879;u &#273;&#7873;u gi&#7889;ng nhau. V&#7853;y h&atilde;y c&ugrave;ng &#273;i v&agrave;o ch&#7911; &#273;&#7873; v&agrave; t&igrave;m hi&#7875;u &#273;i&#7873;u g&igrave; l&agrave;m cho ch&uacute;ng kh&aacute;c bi&#7879;t v&#7899;i nhau. Nh&#432; th&#432;&#7901;ng th&#7845;y v&#7899;i nh&#7919;ng thu&#7853;t ng&#7919; h&#7845;p d&#7851;n v&agrave; ti&#7871;ng l&oacute;ng trong ng&agrave;nh CNTT, m&#7885;i th&#7913; kh&ocirc;ng ph&#7843;i l&uacute;c n&agrave;o c&#361;ng gi&#7889;ng nh&#432; v&#7867; b&#7873; ngo&agrave;i. Lu&ocirc;n c&oacute; &#273;i&#7873;u g&igrave; &#273;&oacute; &#7849;n gi&#7845;u b&ecirc;n d&#432;&#7899;i, v&agrave; vi&#7879;c l&agrave;m s&aacute;ng t&#7887; nh&#7919;ng &#273;i&#7873;u n&agrave;y c&oacute; th&#7875; t&#7841;o ra s&#7921; kh&aacute;c bi&#7879;t l&#7899;n khi x&aacute;c &#273;&#7883;nh n&#417;i &#273;&#7863;t c&#417; s&#7903; h&#7841; t&#7847;ng quan tr&#7885;ng c&#7911;a b&#7841;n.<\/p><h2>Hi&#7875;u r&otilde; c&aacute;c &#273;&#7883;nh ngh&#297;a<\/h2><p>H&atilde;y c&#7889; g&#7855;ng n&#7855;m b&#7855;t ch&iacute;nh x&aacute;c &yacute; ngh&#297;a th&#7921;c s&#7921; c&#7911;a c&aacute;c c&#7845;p &#273;&#7897; n&agrave;y. H&atilde;y lo&#7841;i b&#7887; ng&ocirc;n ng&#7919; hoa m&#7929; c&#7911;a doanh nghi&#7879;p v&agrave; n&oacute;i m&#7897;t c&aacute;ch th&#7859;ng th&#7855;n.<\/p><p>C&aacute;c c&#7845;p &#273;&#7897; trong th&#7871; gi&#7899;i trung t&acirc;m d&#7919; li&#7879;u ph&acirc;n lo&#7841;i c&#417; s&#7903; h&#7841; t&#7847;ng theo hi&#7879;u su&#7845;t c&#7911;a ch&uacute;ng, &#273;&#7863;c bi&#7879;t ch&uacute; tr&#7885;ng v&agrave;o th&#7901;i gian ho&#7841;t &#273;&#7897;ng (uptime) v&agrave; kh&#7843; n&#259;ng d&#7921; ph&ograve;ng (redundancy). H&#7879; th&#7889;ng ph&acirc;n c&#7845;p n&agrave;y &#273;&#432;&#7907;c t&#7841;o ra &#273;&#7875; gi&uacute;p c&aacute;c doanh nghi&#7879;p hi&#7875;u r&otilde; nh&#7919;ng kh&#7843; n&#259;ng m&agrave; h&#7885; c&oacute; th&#7875; mong &#273;&#7907;i t&#7915; m&#7897;t trung t&acirc;m d&#7919; li&#7879;u. Tuy nhi&ecirc;n, &#273;i&#7873;u c&#7847;n l&#432;u &yacute; l&agrave;: kh&ocirc;ng ph&#7843;i m&#7885;i c&#7845;p &#273;&#7897; &#273;&#7873;u gi&#7889;ng nhau, v&agrave; &#273;&ocirc;i khi nh&#7919;ng g&igrave; &#273;&#432;&#7907;c h&#7913;a h&#7865;n l&#7841;i kh&ocirc;ng ho&agrave;n to&agrave;n ph&#7843;n &aacute;nh th&#7921;c t&#7871;.<\/p><p class=\"text-center\">\n    <img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/ywAAAAAAQABAAACAUwAOw==\" alt=\"Trung t&acirc;m D&#7919; li&#7879;u v&agrave; c&aacute;c C&#7845;p &#273;&#7897; c&#7911;a ch&uacute;ng\" data-src=\"\/wp-content\/uploads\/data-center-tiers.png\" class=\"lazy\">\n<\/p><h2>Tier I v&agrave; II<\/h2><p>That would be Tier I data centers. H&atilde;y t&#432;&#7903;ng t&#432;&#7907;ng ch&uacute;ng nh&#432; nh&#7919;ng ng&ocirc;i nh&agrave; kh&#7903;i &#273;&#7847;u &#7845;m c&uacute;ng trong th&#7871; gi&#7899;i trung t&acirc;m d&#7919; li&#7879;u. Ch&uacute;ng th&#7921;c s&#7921; l&agrave; c&#417; s&#7903; h&#7841; t&#7847;ng c&#417; b&#7843;n, kh&ocirc;ng c&oacute; t&iacute;nh d&#7921; ph&ograve;ng, ch&#7881; gi&uacute;p m&aacute;y ch&#7911; c&#7911;a b&#7841;n ho&#7841;t &#273;&#7897;ng ph&#7847;n l&#7899;n th&#7901;i gian. N&oacute;i c&aacute;ch kh&aacute;c, &#273;&uacute;ng v&#7853;y, ch&uacute;ng s&#7869; gi&#7919; cho m&aacute;y ch&#7911; ho&#7841;t &#273;&#7897;ng h&#7847;u h&#7871;t th&#7901;i gian, nh&#432;ng khi b&#7843;o tr&igrave; ho&#7863;c c&oacute; s&#7921; c&#7889; b&#7845;t ng&#7901; x&#7843;y ra, b&#7841;n c&oacute; th&#7875; s&#7869; g&#7863;p ph&#7843;i th&#7901;i gian ng&#7915;ng ho&#7841;t &#273;&#7897;ng. V&agrave; ch&uacute;ng ta &#273;&#7873;u bi&#7871;t r&#7857;ng trong th&#7901;i &#273;&#7841;i k&#7929; thu&#7853;t s&#7889; lu&ocirc;n lu&ocirc;n k&#7871;t n&#7889;i n&agrave;y, th&#7901;i gian ng&#7915;ng ho&#7841;t &#273;&#7897;ng l&agrave; m&#7897;t &#273;i&#7873;u r&#7845;t &#273;&aacute;ng lo ng&#7841;i.<\/p><p>Tier II n&acirc;ng c&#7845;p b&#7857;ng c&aacute;ch cung c&#7845;p t&iacute;nh d&#7921; ph&ograve;ng trong ngu&#7891;n &#273;i&#7879;n v&agrave; h&#7879; th&#7889;ng l&agrave;m m&aacute;t nh&#432;ng v&#7851;n c&oacute; r&#7911;i ro gi&aacute;n &#273;o&#7841;n. Nh&#432;ng h&atilde;y th&#7921;c t&#7871; &ndash; n&oacute; v&#7851;n ch&#432;a th&#7921;c s&#7921; l&yacute; t&#432;&#7903;ng cho c&aacute;c ho&#7841;t &#273;&#7897;ng quan tr&#7885;ng.<\/p><h2>Tier III<\/h2><p>&#272;&#7889;i v&#7899;i nhi&#7873;u doanh nghi&#7879;p, C&#7845;p III l&agrave; &#273;i&#7875;m ng&#7885;t ng&agrave;o &ndash; s&#7921; c&acirc;n b&#7857;ng gi&#7919;a chi ph&iacute; v&agrave; &#273;&#7897; tin c&#7853;y. C&aacute;c trung t&acirc;m d&#7919; li&#7879;u n&agrave;y cung c&#7845;p nhi&#7873;u &#273;&#432;&#7901;ng ph&acirc;n ph&#7889;i &#273;&#7897;c l&#7853;p cho ngu&#7891;n &#273;i&#7879;n v&agrave; h&#7879; th&#7889;ng l&agrave;m m&aacute;t, m&#7863;c d&ugrave; ch&#7881; c&oacute; m&#7897;t &#273;&#432;&#7901;ng ho&#7841;t &#273;&#7897;ng t&#7841;i m&#7897;t th&#7901;i &#273;i&#7875;m. &#272;i&#7875;m c&#7897;ng l&#7899;n l&agrave; c&oacute; th&#7875; th&#7921;c hi&#7879;n b&#7843;o tr&igrave; m&agrave; kh&ocirc;ng c&#7847;n t&#7855;t to&agrave;n b&#7897; h&#7879; th&#7889;ng.<\/p><p>&#272;&acirc;y l&agrave; l&uacute;c m&#7885;i th&#7913; tr&#7903; n&ecirc;n ph&#7913;c t&#7841;p. Kh&ocirc;ng ph&#7843;i t&#7845;t c&#7843; c&aacute;c c&#417; s&#7903; C&#7845;p III &#273;&#7873;u gi&#7889;ng nhau v&agrave; m&#7897;t s&#7889; c&oacute; th&#7875; c&#7855;t gi&#7843;m &#7903; nh&#7919;ng &#273;i&#7875;m kh&ocirc;ng d&#7877; nh&#7853;n ra. &#272;i&#7873;u quan tr&#7885;ng l&agrave; ph&#7843;i t&igrave;m hi&#7875;u s&acirc;u h&#417;n v&agrave; kh&ocirc;ng ch&#7881; d&#7921;a v&agrave;o x&#7871;p h&#7841;ng c&#7845;p &#273;&#7897; m&#7897;t c&aacute;ch h&#7901;i h&#7907;t.<br>\n&#272;&#7875; tham kh&#7843;o, b&#7841;n c&oacute; th&#7875; xem Trung t&acirc;m D&#7919; li&#7879;u C&#7845;p III c&#7911;a ch&uacute;ng t&ocirc;i t&#7841;i Limassol, Cyprus &ndash; <a href=\"https:\/\/www.iptp.us\/vi\/k1\/\">Kermia 1<\/a>.<\/p><h2>Tier IV<\/h2><p>C&aacute;c trung t&acirc;m d&#7919; li&#7879;u C&#7845;p IV gi&#7889;ng nh&#432; nh&#7919;ng c&#259;n h&#7897; penthouse &ndash; c&oacute; kh&#7843; n&#259;ng ch&#7883;u l&#7895;i v&#7899;i t&iacute;nh d&#7921; ph&ograve;ng cho m&#7885;i th&agrave;nh ph&#7847;n. Ch&uacute;ng &#273;&#7843;m b&#7843;o th&#7901;i gian ho&#7841;t &#273;&#7897;ng 99,995%, t&#432;&#417;ng &#273;&#432;&#417;ng ch&#7881; v&agrave;i ph&uacute;t ng&#7915;ng ho&#7841;t &#273;&#7897;ng m&#7895;i n&#259;m. C&oacute; g&igrave; m&agrave; kh&ocirc;ng y&ecirc;u th&iacute;ch?<\/p><p>Tuy nhi&ecirc;n, s&#7921; ho&agrave;n h&#7843;o n&agrave;y &#273;i k&egrave;m v&#7899;i m&#7913;c gi&aacute; cao. C&aacute;c c&#417; s&#7903; n&agrave;y &#273;&#7855;t &#273;&#7887; h&#417;n nhi&#7873;u v&agrave; kh&ocirc;ng ph&#7843;i doanh nghi&#7879;p n&agrave;o c&#361;ng c&#7847;n &#273;&#7897; tin c&#7853;y cao &#273;&#7871;n v&#7853;y. Th&ecirc;m v&agrave;o &#273;&oacute;, ngay c&#7843; C&#7845;p IV c&#361;ng kh&ocirc;ng tr&aacute;nh kh&#7887;i nh&#7919;ng &#273;i&#7873;u b&#7845;t ng&#7901;: thi&ecirc;n tai, l&#7895;i con ng&#432;&#7901;i v&agrave; c&aacute;c s&#7921; ki&#7879;n kh&ocirc;ng l&#432;&#7901;ng tr&#432;&#7899;c v&#7851;n c&oacute; th&#7875; g&acirc;y ra v&#7845;n &#273;&#7873;.<br>\n&#272;&#7875; tham kh&#7843;o v&iacute; d&#7909; v&#7873; m&#7897;t trung t&acirc;m d&#7919; li&#7879;u C&#7845;p IV, b&#7841;n c&oacute; th&#7875; xem Trung t&acirc;m D&#7919; li&#7879;u IPTP Networks &ndash; <a href=\"https:\/\/www.iptp.us\/vi\/matrix4\/\">Matrix 4<\/a> t&#7841;i Amsterdam.<\/p><h2>V&#432;&#7907;t xa C&#7845;p IV<\/h2><p>B&#7841;n c&oacute; th&#7875; nghe n&oacute;i v&#7873; c&aacute;c trung t&acirc;m d&#7919; li&#7879;u C&#7845;p IV+ ho&#7863;c th&#7853;m ch&iacute; C&#7845;p V. Nh&#432;ng s&#7921; th&#7853;t l&agrave;: Vi&#7879;n Uptime kh&ocirc;ng ch&iacute;nh th&#7913;c c&ocirc;ng nh&#7853;n b&#7845;t k&#7923; x&#7871;p h&#7841;ng n&agrave;o cao h&#417;n C&#7845;p IV. N&oacute;i c&aacute;ch kh&aacute;c, t&#7845;t c&#7843; c&aacute;c c&#7845;p &#273;&#7897; v&#432;&#7907;t qu&aacute; ph&acirc;n lo&#7841;i ti&ecirc;u chu&#7849;n &#273;&#7873;u ch&#7881; l&agrave; C&#7845;p IV, m&#7863;c d&ugrave; c&aacute;c ti&ecirc;u chu&#7849;n ng&agrave;nh kh&aacute;c ngo&agrave;i Vi&#7879;n Uptime c&oacute; th&#7875; kh&aacute;c nhau t&ugrave;y thu&#7897;c v&agrave;o t&#7915;ng c&ocirc;ng ty.<\/p><h2>Th&#7921;c t&#7871; &#273;&#7857;ng sau c&aacute;c C&#7845;p &#273;&#7897;<\/h2><p>&#272;i&#7873;u &#273;&oacute; c&oacute; &yacute; ngh&#297;a g&igrave; v&#7899;i doanh nghi&#7879;p c&#7911;a b&#7841;n? &#272;i&#7873;u n&agrave;y c&oacute; ngh&#297;a r&#7857;ng m&#7863;c d&ugrave; c&aacute;c c&#7845;p &#273;&#7897; cung c&#7845;p m&#7897;t h&#432;&#7899;ng d&#7851;n t&#7889;t, nh&#432;ng ch&uacute;ng ho&agrave;n to&agrave;n kh&ocirc;ng n&ecirc;n l&agrave; y&#7871;u t&#7889; duy nh&#7845;t trong qu&aacute; tr&igrave;nh ra quy&#7871;t &#273;&#7883;nh c&#7911;a b&#7841;n.<\/p><p><strong>V&#7883; tr&iacute; quan tr&#7885;ng:<\/strong> M&#7897;t trung t&acirc;m d&#7919; li&#7879;u C&#7845;p IV &#7903; v&ugrave;ng ng&#7853;p l&#7909;t s&#7869; kh&ocirc;ng gi&uacute;p &iacute;ch nhi&#7873;u khi n&#432;&#7899;c d&acirc;ng cao.<\/p><p><strong>Th&#7921;c h&agrave;nh v&#7853;n h&agrave;nh:<\/strong> Ngay c&#7843; c&#417; s&#7903; h&#7841; t&#7847;ng t&#7889;t nh&#7845;t c&#361;ng c&oacute; th&#7875; th&#7845;t b&#7841;i b&#7903;i qu&#7843;n l&yacute; k&eacute;m. &#272;&#7843;m b&#7843;o c&#417; s&#7903; tu&acirc;n th&#7911; c&aacute;c th&#7921;c h&agrave;nh t&#7889;t nh&#7845;t v&agrave; c&oacute; l&#7883;ch s&#7917; ho&#7841;t &#273;&#7897;ng &#7893;n &#273;&#7883;nh l&agrave; &#273;i&#7873;u c&#7847;n thi&#7871;t.<\/p><p><strong>Kh&#7843; n&#259;ng m&#7903; r&#7897;ng v&agrave; linh ho&#7841;t:<\/strong> Nhu c&#7847;u c&#7911;a b&#7841;n h&ocirc;m nay c&oacute; th&#7875; kh&ocirc;ng ph&#7843;i l&agrave; nhu c&#7847;u c&#7911;a b&#7841;n ng&agrave;y mai. Vi&#7879;c ch&#7885;n m&#7897;t trung t&acirc;m d&#7919; li&#7879;u c&oacute; th&#7875; ph&aacute;t tri&#7875;n v&agrave; th&iacute;ch &#7913;ng c&ugrave;ng b&#7841;n l&agrave; r&#7845;t quan tr&#7885;ng.<\/p><h2>L&#7907;i th&#7871; c&#7911;a IPTP Networks<\/h2><p>Trong khi danh s&aacute;ch c&aacute;c l&#7907;i &iacute;ch khi ch&#7885;n m&#7897;t trung t&acirc;m d&#7919; li&#7879;u c&oacute; th&#7875; r&#7845;t d&agrave;i, cu&#7889;i c&ugrave;ng t&#7845;t c&#7843; &#273;&#7873;u ph&#7909; thu&#7897;c v&agrave;o l&#7921;a ch&#7885;n nh&agrave; cung c&#7845;p. &#272;&acirc;y ch&iacute;nh l&agrave; &#273;i&#7875;m m&agrave; IPTP Networks kh&aacute;c bi&#7879;t so v&#7899;i c&aacute;c &#273;&#7889;i th&#7911;. Khi n&oacute;i &#273;&#7871;n <a href=\"https:\/\/www.iptp.us\/vi\/network\/datacenter-services\/colocation\/\">colocation<\/a> v&agrave; <a href=\"https:\/\/www.iptp.us\/vi\/network\/datacenter-services\/dedicated-hosting\/\">hosting<\/a>, ch&uacute;ng t&ocirc;i mang &#273;&#7871;n cho doanh nghi&#7879;p c&#7911;a b&#7841;n m&#7897;t g&oacute;i gi&#7843;i ph&aacute;p ho&agrave;n ch&#7881;nh.<\/p><p>&#272;i&#7875;m c&#7897;ng l&#7899;n nh&#7845;t c&oacute; l&#7869; &#273;&#7871;n t&#7915; s&#7921; hi&#7879;n di&#7879;n to&agrave;n c&#7847;u c&#7911;a ch&uacute;ng t&ocirc;i v&#7899;i c&aacute;c trung t&acirc;m d&#7919; li&#7879;u &#273;&#7863;t t&#7841;i c&aacute;c v&#7883; tr&iacute; chi&#7871;n l&#432;&#7907;c tr&ecirc;n to&agrave;n th&#7871; gi&#7899;i. Vi&#7879;c &#273;&#7863;t c&#417; s&#7903; h&#7841; t&#7847;ng g&#7847;n h&#417;n v&#7899;i ng&#432;&#7901;i d&ugrave;ng gi&uacute;p gi&#7843;m &#273;&#7897; tr&#7877; v&agrave; t&#7889;i &#432;u h&oacute;a hi&#7879;u su&#7845;t &#7913;ng d&#7909;ng. S&#7921; l&#7921;a ch&#7885;n k&#7871;t n&#7889;i m&#7841;ng c&#361;ng r&#7845;t t&#7889;t &ndash; b&#7841;n c&oacute; th&#7875; k&#7871;t n&#7889;i tr&#7921;c ti&#7871;p v&#7899;i c&aacute;c s&agrave;n giao d&#7883;ch internet l&#7899;n v&agrave; c&aacute;c nh&agrave; cung c&#7845;p d&#7883;ch v&#7909; &#273;&aacute;m m&acirc;y.<\/p><p>&#272;i&#7873;u th&#7921;c s&#7921; l&agrave;m n&ecirc;n s&#7921; kh&aacute;c bi&#7879;t c&#7911;a IPTP Networks l&agrave; s&#7921; &#273;&#7843;m b&#7843;o v&#7873; &#273;&#7897; tin c&#7853;y v&agrave; an ninh cho m&#7885;i th&#7913;. C&aacute;c c&#417; s&#7903; c&#7911;a ch&uacute;ng t&ocirc;i c&oacute; t&iacute;nh d&#7921; ph&ograve;ng N+2, t&#7841;o s&#7921; t&#7921; tin v&#7873; th&#7901;i gian ho&#7841;t &#273;&#7897;ng c&#7911;a c&#417; s&#7903; h&#7841; t&#7847;ng trong tr&#432;&#7901;ng h&#7907;p x&#7843;y ra m&#7897;t ho&#7863;c hai s&#7921; c&#7889;. SLA th&#7901;i gian ho&#7841;t &#273;&#7897;ng 99,9999% kh&ocirc;ng ch&#7881; l&agrave; m&#7897;t con s&#7889;; n&oacute; n&oacute;i l&ecirc;n s&#7921; b&#7873;n b&#7881; c&#7911;a c&#417; s&#7903; h&#7841; t&#7847;ng v&agrave; ho&#7841;t &#273;&#7897;ng c&#7911;a ch&uacute;ng t&ocirc;i.<\/p><p>H&#7895; tr&#7907; &#273;&uacute;ng c&aacute;ch, qu&#7843;n l&yacute; &#273;&uacute;ng c&aacute;ch. IPTP Networks th&#7921;c s&#7921; mang l&#7841;i l&agrave;n gi&oacute; m&#7899;i cho c&aacute;c &#273;&#7897;i ng&#361; DevOps v&agrave; SRE. Kh&ocirc;ng c&ograve;n ph&#7843;i l&atilde;ng ph&iacute; th&#7901;i gian ch&#7901; &#273;&#7907;i h&#7895; tr&#7907; chuy&ecirc;n gia. Khi c&oacute; v&#7845;n &#273;&#7873; ph&aacute;t sinh, ch&uacute;ng t&ocirc;i gi&#7843;i quy&#7871;t nhanh ch&oacute;ng v&agrave; hi&#7879;u qu&#7843;. Ch&uacute;ng t&ocirc;i cung c&#7845;p m&#7897;t c&#7893;ng th&ocirc;ng tin cho kh&aacute;ch h&agrave;ng, n&#417;i h&#7885; c&oacute; th&#7875; theo d&otilde;i m&#7885;i ho&#7841;t &#273;&#7897;ng v&agrave; qu&#7843;n l&yacute; theo th&#7901;i gian th&#7921;c. Kh&#7843; n&#259;ng hi&#7875;n th&#7883; v&agrave; ki&#7875;m so&aacute;t gi&uacute;p c&ocirc;ng c&#7909; tr&#7903; n&ecirc;n m&#7841;nh m&#7869;, v&igrave; m&#7885;i th&#7913; c&#7847;n thi&#7871;t &#273;&#7875; qu&#7843;n l&yacute; c&#417; s&#7903; h&#7841; t&#7847;ng hi&#7879;u qu&#7843; &#273;&#7873;u hi&#7875;n th&#7883; ngay tr&#432;&#7899;c m&#7855;t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c c\u1ea5p \u0111\u1ed9 kh\u00e1c nhau c\u1ee7a trung t\u00e2m d\u1eef li\u1ec7u t\u1eeb Tier I \u0111\u1ebfn Tier IV+. C\u00e1c c\u1ea5p \u0111\u1ed9 trong th\u1ebf gi\u1edbi trung t\u00e2m d\u1eef li\u1ec7u ph\u00e2n lo\u1ea1i c\u00e1c c\u01a1 s\u1edf d\u1ef1a tr\u00ean hi\u1ec7u su\u1ea5t h\u1ea1 t\u1ea7ng c\u1ee7a ch\u00fang, \u0111\u1eb7c bi\u1ec7t ch\u00fa tr\u1ecdng v\u00e0o th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng (uptime) v\u00e0 kh\u1ea3 n\u0103ng d\u1ef1 ph\u00f2ng (redundancy). \u0110i\u1ec1u g\u00ec l\u00e0m cho ch\u00fang kh\u00e1c bi\u1ec7t v\u1edbi nhau? Kh\u00f4ng ph\u1ea3i m\u1ecdi c\u1ea5p \u0111\u1ed9 \u0111\u1ec1u gi\u1ed1ng nhau v\u00e0 \u0111\u00f4i khi nh\u1eefng g\u00ec \u0111\u01b0\u1ee3c h\u1ee9a h\u1eb9n l\u1ea1i kh\u00f4ng ho\u00e0n to\u00e0n ph\u1ea3n \u00e1nh th\u1ef1c t\u1ebf.<\/p>\n","protected":false},"author":14,"featured_media":34920,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"template-post-detail.php","format":"standard","meta":[],"categories":[45],"tags":[83,81,86,76,79,67,74,85,77,75,78,80,82,73,84,68,69,70,71,72],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/posts\/33389"}],"collection":[{"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/comments?post=33389"}],"version-history":[{"count":93,"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/posts\/33389\/revisions"}],"predecessor-version":[{"id":38164,"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/posts\/33389\/revisions\/38164"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/media\/34920"}],"wp:attachment":[{"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/media?parent=33389"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/categories?post=33389"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/tags?post=33389"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}