{"id":3666,"date":"2025-11-25T00:00:00","date_gmt":"2025-11-25T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/mtta-mean-time-to-acknowledge-reduce-incident-response-time\/"},"modified":"2026-06-22T04:43:45","modified_gmt":"2026-06-22T04:43:45","slug":"mtta-mean-time-to-acknowledge-reduce-incident-response-time","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/mtta-mean-time-to-acknowledge-reduce-incident-response-time","title":{"rendered":"L\u00e0m ch\u1ee7 Th\u1eddi gian trung b\u00ecnh \u0111\u1ec3 x\u00e1c nh\u1eadn (MTTA) nh\u1eb1m ph\u1ea3n h\u1ed3i s\u1ef1 c\u1ed1 nhanh h\u01a1n"},"content":{"rendered":"
\"What<\/figure>\n\n\n\n

\u23f0 Gi\u1edbi thi\u1ec7u: Nh\u1eefng gi\u00e2y \u0111\u1ea7u ti\u00ean mang t\u00ednh quy\u1ebft \u0111\u1ecbnh khi x\u1ea3y ra s\u1ef1 c\u1ed1<\/h2>\n\n\n\n

Trong th\u1ebf gi\u1edbi kh\u1eaft khe c\u1ee7a v\u1eadn h\u00e0nh CNTT v\u00e0 qu\u1ea3n l\u00fd m\u1ea1ng, m\u1ed7i gi\u00e2y \u0111\u1ec1u quan tr\u1ecdng khi m\u1ed9t s\u1ef1 c\u1ed1 x\u1ea3y ra. Trong khi c\u00e1c ch\u1ec9 s\u1ed1 nh\u01b0 MTTR (Th\u1eddi Gian S\u1eeda Ch\u1eefa Trung B\u00ecnh)<\/a> t\u1eadp trung v\u00e0o vi\u1ec7c kh\u1eafc ph\u1ee5c, th\u00ec m\u1ed9t ch\u1ec9 s\u1ed1 n\u1ec1n t\u1ea3ng h\u01a1n l\u1ea1i chi ph\u1ed1i t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng ban \u0111\u1ea7u c\u1ee7a con ng\u01b0\u1eddi: Th\u1eddi gian trung b\u00ecnh \u0111\u1ec3 x\u00e1c nh\u1eadn (MTTA)<\/strong>.<\/p>\n\n\n\n

MTTA l\u00e0 nh\u00e2n t\u1ed1 th\u01b0\u1eddng b\u1ecb b\u1ecf qua nh\u01b0ng l\u1ea1i \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong v\u00f2ng \u0111\u1eddi s\u1ef1 c\u1ed1. Ch\u1ec9 s\u1ed1 n\u00e0y \u0111o l\u01b0\u1eddng hi\u1ec7u qu\u1ea3 c\u1ee7a h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t v\u00e0 h\u1ec7 th\u1ed1ng tr\u1ef1c ca, l\u00e0m c\u1ea7u n\u1ed1i gi\u1eefa c\u1ea3nh b\u00e1o t\u1ef1 \u0111\u1ed9ng v\u00e0 b\u01b0\u1edbc kh\u1edfi \u0111\u1ea7u c\u1ee7a n\u1ed7 l\u1ef1c ph\u1ee5c h\u1ed3i do con ng\u01b0\u1eddi d\u1eabn d\u1eaft. \u0110\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 t\u1ed5 ch\u1ee9c n\u00e0o theo \u0111u\u1ed5i kh\u1ea3 n\u0103ng s\u1eb5n s\u00e0ng cao th\u1ef1c s\u1ef1 v\u00e0 t\u00ednh \u0111\u00e0n h\u1ed3i, l\u00e0m ch\u1ee7 MTTA l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean v\u00e0 b\u1eaft bu\u1ed9c nh\u1eb1m gi\u1ea3m thi\u1ec3u t\u1ed5ng th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n

\ud83d\udea8 \u0110\u1ecbnh ngh\u0129a Th\u1eddi gian trung b\u00ecnh \u0111\u1ec3 x\u00e1c nh\u1eadn (MTTA) <\/h2>\n\n\n\n

MTTA<\/strong> l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Th\u1eddi gian trung b\u00ecnh \u0111\u1ec3 x\u00e1c nh\u1eadn<\/strong>. \u0110\u00e2y l\u00e0 kho\u1ea3ng th\u1eddi gian trung b\u00ecnh t\u00ednh t\u1eeb kho\u1ea3nh kh\u1eafc h\u1ec7 th\u1ed1ng ho\u1eb7c d\u1ecbch v\u1ee5 gi\u00e1m s\u00e1t ph\u00e1t sinh c\u1ea3nh b\u00e1o v\u1ec1 m\u1ed9t l\u1ed7i cho \u0111\u1ebfn khi ng\u01b0\u1eddi ph\u1ee5 tr\u00e1ch tr\u1ef1c ca \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n ch\u00ednh th\u1ee9c x\u00e1c nh\u1eadn<\/strong> c\u1ea3nh b\u00e1o \u0111\u00f3.<\/p>\n\n\n\n

\u25b7 Khung th\u1eddi gian MTTA <\/h3>\n\n\n\n

MTTA ch\u1ec9 t\u1eadp trung v\u00e0o kho\u1ea3ng th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 con ng\u01b0\u1eddi ghi nh\u1eadn v\u00e0 ch\u1ea5p nh\u1eadn tr\u00e1ch nhi\u1ec7m x\u1eed l\u00fd m\u1ed9t v\u1ea5n \u0111\u1ec1. Khung th\u1eddi gian n\u00e0y bao g\u1ed3m:<\/p>\n\n\n\n

    \n

  1. Vi\u1ec7c t\u1ea1o c\u1ea3nh b\u00e1o:<\/strong> H\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t ph\u00e1t hi\u1ec7n s\u1ef1 c\u1ed1 (l\u00fd t\u01b0\u1edfng nh\u1ea5t l\u00e0 m\u1ed9t gi\u00e1 tr\u1ecb th\u1ea5p MTTD \u2013 Th\u1eddi gian trung b\u00ecnh \u0111\u1ec3 ph\u00e1t hi\u1ec7n<\/strong><\/a>).<\/p><\/li>\n\n\n\n

  2. \u0110\u1ecbnh tuy\u1ebfn th\u00f4ng b\u00e1o:<\/strong> C\u1ea3nh b\u00e1o \u0111\u01b0\u1ee3c g\u1eedi qua \u0111i\u1ec7n tho\u1ea1i, email ho\u1eb7c h\u1ec7 th\u1ed1ng nh\u1eafn tin chuy\u00ean d\u1ee5ng.<\/p><\/li>\n\n\n\n

  3. Ph\u1ea3n \u1ee9ng c\u1ee7a con ng\u01b0\u1eddi:<\/strong> K\u1ef9 s\u01b0 tr\u1ef1c ca nh\u1eadn \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o.<\/p><\/li>\n\n\n\n

  4. H\u00e0nh \u0111\u1ed9ng x\u00e1c nh\u1eadn:<\/strong> K\u1ef9 s\u01b0 \u0111\u0103ng nh\u1eadp v\u00e0o n\u1ec1n t\u1ea3ng qu\u1ea3n l\u00fd s\u1ef1 c\u1ed1 v\u00e0 t\u1eaft ti\u1ebfng ho\u1eb7c ch\u00ednh th\u1ee9c \u201cch\u1ea5p nh\u1eadn tr\u00e1ch nhi\u1ec7m\u201d \u0111\u1ed1i v\u1edbi c\u1ea3nh b\u00e1o.<\/p><\/li>\n<\/ol>\n\n\n\n

    M\u1ed9t gi\u00e1 tr\u1ecb MTTA th\u1ea5p cho th\u1ea5y \u0111\u1ed9i ng\u0169 ph\u1ea3n \u1ee9ng r\u1ea5t nhanh nh\u1ea1y v\u00e0 h\u1ec7 th\u1ed1ng c\u1ea3nh b\u00e1o r\u00f5 r\u00e0ng, hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n

    \u25b7 C\u00e1ch t\u00ednh MTTA <\/h3>\n\n\n\n

    C\u00f4ng th\u1ee9c t\u00ednh MTTA r\u1ea5t \u0111\u01a1n gi\u1ea3n, gi\u00fap d\u1ec5 d\u00e0ng theo d\u00f5i v\u00e0 so s\u00e1nh theo th\u1eddi gian:<\/p>\n\n\n\n

    \"Calculating<\/figure>\n\n\n\n

    \u23f1\ufe0f V\u00ec sao MTTA l\u00e0 \u201cng\u01b0\u1eddi g\u00e1c c\u1ed5ng\u201d c\u1ee7a kh\u1ea3 n\u0103ng s\u1eb5n s\u00e0ng<\/h2>\n\n\n\n

    Gi\u1ea3m MTTA t\u1ea1o ra hi\u1ec7u \u1ee9ng lan t\u1ecfa s\u00e2u r\u1ed9ng tr\u00ean to\u00e0n b\u1ed9 quy tr\u00ecnh ph\u1ea3n \u1ee9ng s\u1ef1 c\u1ed1, tr\u1ef1c ti\u1ebfp \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 kinh doanh.<\/p>\n\n\n\n

    \u1ea2nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn t\u1ed5ng th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng<\/h3>\n\n\n\n

    T\u1ed5ng th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng l\u00e0 t\u1ed5ng th\u1eddi gian d\u00e0nh cho vi\u1ec7c ph\u00e1t hi\u1ec7n, x\u00e1c nh\u1eadn, s\u1eeda ch\u1eefa v\u00e0 kh\u00f4i ph\u1ee5c sau m\u1ed9t s\u1ef1 c\u1ed1. Th\u1eddi gian ch\u1edd \u0111\u1ee3i \u0111\u1ec3 x\u00e1c nh\u1eadn ho\u00e0n to\u00e0n kh\u00f4ng mang l\u1ea1i gi\u00e1 tr\u1ecb. M\u1ed7i ph\u00fat ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c \u1edf giai \u0111o\u1ea1n MTTA l\u00e0 m\u1ed9t ph\u00fat gi\u00e0nh l\u1ea1i \u0111\u01b0\u1ee3c v\u1ec1 kh\u1ea3 n\u0103ng s\u1eb5n s\u00e0ng v\u00e0 b\u1ea3o v\u1ec7 doanh thu. B\u1ea1n x\u00e1c nh\u1eadn c\u00e0ng nhanh, b\u1ea1n c\u00e0ng s\u1edbm c\u00f3 th\u1ec3 s\u1eeda ch\u1eefa.<\/strong><\/p>\n\n\n\n

    Ng\u0103n ng\u1eeba t\u00ecnh tr\u1ea1ng m\u1ec7t m\u1ecfi v\u00ec c\u1ea3nh b\u00e1o v\u00e0 c\u1ea3i thi\u1ec7n s\u1ef1 t\u1eadp trung<\/h3>\n\n\n\n

    Khi h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t \u0111\u01b0a ra qu\u00e1 nhi\u1ec1u c\u1ea3nh b\u00e1o sai ho\u1eb7c c\u1ea3nh b\u00e1o m\u01a1 h\u1ed3, ng\u01b0\u1eddi v\u1eadn h\u00e0nh th\u01b0\u1eddng tr\u00ec ho\u00e3n vi\u1ec7c x\u00e1c nh\u1eadn ho\u1eb7c tr\u1edf n\u00ean chai l\u1ef3 \u2014 hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cm\u1ec7t m\u1ecfi v\u00ec c\u1ea3nh b\u00e1o\u201d. M\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a t\u1ed1t, d\u1eabn \u0111\u1ebfn MTTA th\u1ea5p, ch\u1ee9ng t\u1ecf c\u00e1c c\u1ea3nh b\u00e1o l\u00e0 c\u00f3 th\u1ec3 h\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c v\u00e0 \u0111\u00e1ng tin c\u1eady<\/strong>, t\u1eeb \u0111\u00f3 n\u00e2ng cao ni\u1ec1m tin v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u1ed9i ph\u1ea3n \u1ee9ng.<\/p>\n\n\n\n

    \u0110\u1eb7t n\u1ec1n t\u1ea3ng cho m\u1ed9t gi\u00e1 tr\u1ecb MTTR th\u1ea5p<\/h3>\n\n\n\n

    MTTA l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00e0nh c\u00f4ng c\u1ee7a l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t then ch\u1ed1t (KPI) \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng. Gi\u1ea3m MTTR gi\u00fap t\u0103ng th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng, gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec v\u00e0 n\u00e2ng cao kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i v\u1eadn h\u00e0nh. Vi\u1ec7c k\u1ebft h\u1ee3p \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c, quy tr\u00ecnh hi\u1ec7u qu\u1ea3 v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 thay th\u1ebf khi \u0111ang ho\u1ea1t \u0111\u1ed9ng nh\u01b0<\/a>. Cho \u0111\u1ebfn khi s\u1ef1 c\u1ed1 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn, b\u1ed9 \u0111\u1ebfm MTTR ch\u01b0a th\u1ef1c s\u1ef1 b\u1eaft \u0111\u1ea7u. B\u1eb1ng c\u00e1ch r\u00fat ng\u1eafn giai \u0111o\u1ea1n x\u00e1c nh\u1eadn, b\u1ea1n trao cho \u0111\u1ed9i s\u1eeda ch\u1eefa kho\u1ea3ng th\u1eddi gian t\u1ed1i \u0111a \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c kh\u1eafc ph\u1ee5c, \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c M\u1ee5c ti\u00eau m\u1ee9c \u0111\u1ed9 d\u1ecbch v\u1ee5 (SLO).<\/p>\n\n\n\n

    \ud83d\udcca K\u1ebft n\u1ed1i MTTD, MTTA v\u00e0 MTTR<\/h2>\n\n\n\n

    \u0110\u1ec3 hi\u1ec3u \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 qu\u1ea3n l\u00fd s\u1ef1 c\u1ed1, MTTA ph\u1ea3i \u0111\u01b0\u1ee3c xem x\u00e9t trong m\u1ed1i t\u01b0\u01a1ng quan v\u1edbi c\u00e1c ch\u1ec9 s\u1ed1 li\u00ean quan:<\/p>\n\n\n\n