{"id":1976,"date":"2026-03-22T10:02:56","date_gmt":"2026-03-22T10:02:56","guid":{"rendered":"https:\/\/www.viz-note.com\/vi\/documenting-legacy-system-migration-paths-c4-context-views\/"},"modified":"2026-03-22T10:02:56","modified_gmt":"2026-03-22T10:02:56","slug":"documenting-legacy-system-migration-paths-c4-context-views","status":"publish","type":"post","link":"https:\/\/www.viz-note.com\/vi\/documenting-legacy-system-migration-paths-c4-context-views\/","title":{"rendered":"T\u00e0i li\u1ec7u v\u1ec1 c\u00e1c h\u00e0nh tr\u00ecnh di d\u1eddi h\u1ec7 th\u1ed1ng c\u0169 b\u1eb1ng c\u00e1c b\u1ea3n \u0111\u1ed3 ng\u1eef c\u1ea3nh C4"},"content":{"rendered":"

Chuy\u1ec3n \u0111\u1ed5i t\u1eeb ki\u1ebfn tr\u00fac c\u0169 sang h\u1ea1 t\u1ea7ng hi\u1ec7n \u0111\u1ea1i l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 ph\u1ee9c t\u1ea1p \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c, r\u00f5 r\u00e0ng v\u00e0 hi\u1ec3u s\u00e2u v\u1ec1 c\u00e1c m\u1ed1i quan h\u1ec7 ph\u1ee5 thu\u1ed9c hi\u1ec7n c\u00f3. Nhi\u1ec1u t\u1ed5 ch\u1ee9c g\u1eb7p kh\u00f3 kh\u0103n v\u00ec c\u1ed1 g\u1eafng t\u00e1i c\u1ea5u tr\u00fac m\u00e0 kh\u00f4ng c\u00f3 b\u1ea3n \u0111\u1ed3 r\u00f5 r\u00e0ng v\u1ec1 th\u1ef1c \u0111\u1ecba. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac t\u00e0i li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac tr\u1edf n\u00ean then ch\u1ed1t. B\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng m\u00f4 h\u00ecnh C4, c\u00e1c \u0111\u1ed9i ng\u0169 c\u00f3 th\u1ec3 tr\u1ef1c quan h\u00f3a c\u1ea3nh quan h\u1ec7 th\u1ed1ng \u1edf nhi\u1ec1u c\u1ea5p \u0111\u1ed9 tr\u1eebu t\u01b0\u1ee3ng, \u0111\u1ea3m b\u1ea3o c\u00e1c h\u00e0nh tr\u00ecnh di d\u1eddi l\u00e0 h\u1ee3p l\u00fd, an to\u00e0n v\u00e0 c\u00f3 th\u1ec3 duy tr\u00ec \u0111\u01b0\u1ee3c. H\u01b0\u1edbng d\u1eabn n\u00e0y kh\u00e1m ph\u00e1 c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c b\u1ea3n \u0111\u1ed3 ng\u1eef c\u1ea3nh C4 \u0111\u1ec3 t\u00e0i li\u1ec7u h\u00f3a v\u00e0 th\u1ef1c hi\u1ec7n chuy\u1ec3n \u0111\u1ed5i h\u1ec7 th\u1ed1ng c\u0169 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n

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\"Hand-drawn<\/figure>\n<\/div>\n

\ud83d\udccb T\u1ea1i sao t\u00e0i li\u1ec7u h\u00f3a l\u1ea1i quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh di d\u1eddi<\/h2>\n

C\u00e1c h\u1ec7 th\u1ed1ng c\u0169 th\u01b0\u1eddng t\u00edch l\u0169y n\u1ee3 k\u1ef9 thu\u1eadt qua nhi\u1ec1u n\u0103m ho\u1ea1t \u0111\u1ed9ng. C\u00e1c c\u01a1 s\u1edf m\u00e3 ngu\u1ed3n tr\u1edf n\u00ean r\u1ed1i r\u1eafm, v\u00e0 ki\u1ebfn th\u1ee9c v\u1ec1 h\u1ec7 th\u1ed1ng ch\u1ec9 t\u1ed3n t\u1ea1i trong \u0111\u1ea7u c\u1ee7a m\u1ed9t v\u00e0i c\u00e1 nh\u00e2n then ch\u1ed1t. Khi qu\u00e1 tr\u00ecnh di d\u1eddi b\u1eaft \u0111\u1ea7u, r\u1ee7i ro l\u00e0m h\u1ecfng logic kinh doanh l\u00e0 r\u1ea5t cao. T\u00e0i li\u1ec7u h\u00f3a \u0111\u00fang c\u00e1ch gi\u1ea3m thi\u1ec3u r\u1ee7i ro n\u00e0y b\u1eb1ng c\u00e1ch cung c\u1ea5p m\u1ed9t ngu\u1ed3n th\u00f4ng tin duy nh\u1ea5t. N\u00f3 gi\u00fap c\u00e1c b\u00ean li\u00ean quan hi\u1ec3u r\u00f5:<\/p>\n

    \n
  • \u0110i\u1ec1u g\u00ec \u0111ang t\u1ed3n t\u1ea1i:<\/strong> Tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5.<\/li>\n
  • Ch\u00fang t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau nh\u01b0 th\u1ebf n\u00e0o:<\/strong> C\u00e1c lu\u1ed3ng d\u1eef li\u1ec7u v\u00e0 m\u1ed1i ph\u1ee5 thu\u1ed9c gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n.<\/li>\n
  • \u0110i\u1ec1u g\u00ec c\u1ea7n thay \u0111\u1ed5i:<\/strong> C\u00e1c khu v\u1ef1c c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c nh\u1eafm \u0111\u1ebfn \u0111\u1ec3 t\u00e1i c\u1ea5u tr\u00fac ho\u1eb7c thay th\u1ebf.<\/li>\n
  • \u0110i\u1ec1u g\u00ec v\u1eabn gi\u1eef nguy\u00ean:<\/strong> L\u00f5i \u1ed5n \u0111\u1ecbnh kh\u00f4ng c\u1ea7n can thi\u1ec7p ngay l\u1eadp t\u1ee9c.<\/li>\n<\/ul>\n

    Kh\u00f4ng c\u00f3 nh\u1eefng c\u00f4ng c\u1ee5 tr\u1ef1c quan n\u00e0y, c\u00e1c \u0111\u1ed9i di d\u1eddi th\u01b0\u1eddng ph\u1ea3i d\u1ef1a v\u00e0o ph\u1ecfng \u0111o\u00e1n. Vi\u1ec7c ph\u1ecfng \u0111o\u00e1n d\u1eabn \u0111\u1ebfn th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng, m\u1ea5t d\u1eef li\u1ec7u v\u00e0 k\u00e9o d\u00e0i th\u1eddi gian th\u1ef1c hi\u1ec7n. M\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 c\u1ea5u tr\u00fac s\u1eed d\u1ee5ng m\u00f4 h\u00ecnh C4 \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u00e0nh tr\u00ecnh di d\u1eddi \u0111\u01b0\u1ee3c t\u00e0i li\u1ec7u h\u00f3a song song v\u1edbi m\u00e3 ngu\u1ed3n, l\u00e0m cho qu\u00e1 tr\u00ecnh tr\u1edf n\u00ean minh b\u1ea1ch v\u00e0 c\u00f3 th\u1ec3 ki\u1ec3m to\u00e1n.<\/p>\n

    \ud83c\udfd7\ufe0f M\u00f4 h\u00ecnh C4 trong b\u1ed1i c\u1ea3nh di d\u1eddi<\/h2>\n

    M\u00f4 h\u00ecnh C4 l\u00e0 m\u1ed9t c\u1ea5u tr\u00fac c\u00e1c s\u01a1 \u0111\u1ed3 d\u00f9ng \u0111\u1ec3 m\u00f4 t\u1ea3 ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m. N\u00f3 g\u1ed3m b\u1ed1n c\u1ea5p \u0111\u1ed9: Ng\u1eef c\u1ea3nh, Container, Th\u00e0nh ph\u1ea7n v\u00e0 M\u00e3 ngu\u1ed3n. \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n di d\u1eddi, hai c\u1ea5p \u0111\u1ed9 \u0111\u1ea7u ti\u00ean \u0111\u1eb7c bi\u1ec7t c\u00f3 gi\u00e1 tr\u1ecb. Ch\u00fang cung c\u1ea5p c\u00e1i nh\u00ecn t\u1ed5ng quan m\u00e0 kh\u00f4ng b\u1ecb m\u1eafc k\u1eb9t v\u00e0o chi ti\u1ebft tri\u1ec3n khai qu\u00e1 s\u1edbm.<\/p>\n

    1. B\u1ea3n \u0111\u1ed3 Ng\u1eef c\u1ea3nh (C\u1ea5p \u0111\u1ed9 1)<\/h3>\n

    B\u1ea3n \u0111\u1ed3 Ng\u1eef c\u1ea3nh hi\u1ec3n th\u1ecb h\u1ec7 th\u1ed1ng nh\u01b0 m\u1ed9t h\u1ed9p duy nh\u1ea5t trong m\u1ed9t h\u1ec7 sinh th\u00e1i l\u1edbn h\u01a1n. N\u00f3 x\u00e1c \u0111\u1ecbnh:<\/p>\n

      \n
    • H\u1ec7 th\u1ed1ng \u0111ang \u0111\u01b0\u1ee3c di d\u1eddi.<\/li>\n
    • Ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i t\u01b0\u01a1ng t\u00e1c v\u1edbi n\u00f3.<\/li>\n
    • C\u00e1c lu\u1ed3ng d\u1eef li\u1ec7u ch\u00ednh v\u00e0 m\u1ed1i ph\u1ee5 thu\u1ed9c gi\u1eefa h\u1ec7 th\u1ed1ng v\u00e0 m\u00f4i tr\u01b0\u1eddng xung quanh.<\/li>\n<\/ul>\n

      Trong qu\u00e1 tr\u00ecnh di d\u1eddi, b\u1ea3n \u0111\u1ed3 n\u00e0y tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi:\u201cAi v\u00e0 \u0111i\u1ec1u g\u00ec ph\u1ee5 thu\u1ed9c v\u00e0o h\u1ec7 th\u1ed1ng n\u00e0y?\u201d<\/em> N\u00f3 gi\u00fap x\u00e1c \u0111\u1ecbnh ranh gi\u1edbi c\u1ee7a n\u1ed7 l\u1ef1c di d\u1eddi. N\u1ebfu m\u1ed9t h\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t API \u0111ang b\u1ecb lo\u1ea1i b\u1ecf, b\u1ea3n \u0111\u1ed3 Ng\u1eef c\u1ea3nh s\u1ebd ngay l\u1eadp t\u1ee9c l\u00e0m n\u1ed5i b\u1eadt m\u1ed1i ph\u1ee5 thu\u1ed9c n\u00e0y.<\/p>\n

      2. B\u1ea3n \u0111\u1ed3 Container (C\u1ea5p \u0111\u1ed9 2)<\/h3>\n

      B\u1ea3n \u0111\u1ed3 Container chia h\u1ec7 th\u1ed1ng th\u00e0nh c\u00e1c qu\u00e1 tr\u00ecnh ch\u1ea1y ri\u00eang bi\u1ec7t. Ch\u00fang c\u00f3 th\u1ec3 l\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng web, \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng, microservices ho\u1eb7c c\u01a1 s\u1edf d\u1eef li\u1ec7u. C\u1ea5p \u0111\u1ed9 n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 hi\u1ec3u r\u00f5 c\u1ea5u tr\u00fac tri\u1ec3n khai. Trong b\u1ed1i c\u1ea3nh h\u1ec7 th\u1ed1ng c\u0169, c\u00e1c container c\u00f3 th\u1ec3 \u0111\u1ea1i di\u1ec7n cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u01a1n th\u1ec3 \u0111ang \u0111\u01b0\u1ee3c t\u00e1ch th\u00e0nh c\u00e1c d\u1ecbch v\u1ee5 nh\u1ecf h\u01a1n.<\/p>\n

      C\u00e1c c\u00e2u h\u1ecfi then ch\u1ed1t \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft \u1edf c\u1ea5p \u0111\u1ed9 n\u00e0y bao g\u1ed3m:<\/p>\n

        \n
      • Qu\u00e1 tr\u00ecnh n\u00e0o l\u01b0u tr\u1eef d\u1eef li\u1ec7u?<\/li>\n
      • Qu\u00e1 tr\u00ecnh n\u00e0o x\u1eed l\u00fd giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng?<\/li>\n
      • D\u1eef li\u1ec7u di chuy\u1ec3n gi\u1eefa c\u00e1c container nh\u01b0 th\u1ebf n\u00e0o?<\/li>\n<\/ul>\n

        \ud83d\uddfa\ufe0f B\u1ea3n \u0111\u1ed3 h\u00f3a c\u00e1c h\u1ec7 th\u1ed1ng c\u0169 sang C4<\/h2>\n

        Khi b\u1eaft \u0111\u1ea7u chuy\u1ec3n \u0111\u1ed5i h\u1ec7 th\u1ed1ng c\u0169, t\u00e0i li\u1ec7u hi\u1ec7n c\u00f3 th\u01b0\u1eddng r\u1ea5t s\u01a1 s\u00e0i ho\u1eb7c \u0111\u00e3 l\u1ed7i th\u1eddi. Vi\u1ec7c t\u00e1i t\u1ea1o c\u00e1c s\u01a1 \u0111\u1ed3 C4 l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong k\u1ebf ho\u1ea1ch chuy\u1ec3n \u0111\u1ed5i. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t giai \u0111o\u1ea1n kh\u00e1m ph\u00e1, bu\u1ed9c \u0111\u1ed9i ng\u0169 ph\u1ea3i ph\u1ecfng v\u1ea5n c\u00e1c b\u00ean li\u00ean quan v\u00e0 ph\u00e2n t\u00edch m\u00e3 ngu\u1ed3n \u0111\u1ec3 hi\u1ec3u r\u00f5 ki\u1ebfn tr\u00fac th\u1ef1c s\u1ef1.<\/p>\n

        B\u01b0\u1edbc 1: X\u00e1c \u0111\u1ecbnh ranh gi\u1edbi h\u1ec7 th\u1ed1ng<\/h3>\n

        B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi. Li\u1ec7u to\u00e0n b\u1ed9 b\u1ed9 c\u00f4ng c\u1ee5 c\u0169 c\u00f3 \u0111ang \u0111\u01b0\u1ee3c di chuy\u1ec3n hay ch\u1ec9 m\u1ed9t module c\u1ee5 th\u1ec3? G\u00f3c nh\u00ecn B\u1ed1i c\u1ea3nh s\u1ebd l\u00e0m r\u00f5 \u0111i\u1ec1u n\u00e0y. V\u1ebd m\u1ed9t h\u00ecnh h\u1ed9p \u0111\u1ea1i di\u1ec7n cho h\u1ec7 th\u1ed1ng c\u0169. X\u00e1c \u0111\u1ecbnh c\u00e1c t\u00e1c nh\u00e2n (ng\u01b0\u1eddi d\u00f9ng, k\u1ecbch b\u1ea3n t\u1ef1 \u0111\u1ed9ng, API b\u00ean th\u1ee9 ba) t\u00e1c \u0111\u1ed9ng v\u00e0o h\u00ecnh h\u1ed9p n\u00e0y. \u0110i\u1ec1u n\u00e0y t\u1ea1o n\u1ec1n t\u1ea3ng cho ranh gi\u1edbi di chuy\u1ec3n.<\/p>\n

        B\u01b0\u1edbc 2: B\u1ea3n \u0111\u1ed3 c\u00e1c ph\u1ee5 thu\u1ed9c b\u00ean ngo\u00e0i<\/h3>\n

        C\u00e1c h\u1ec7 th\u1ed1ng c\u0169 th\u01b0\u1eddng ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c th\u01b0 vi\u1ec7n l\u1ed7i th\u1eddi ho\u1eb7c h\u1ea1 t\u1ea7ng c\u0169. B\u1ea3n \u0111\u1ed3 c\u00e1c m\u1ed1i quan h\u1ec7 n\u00e0y trong s\u01a1 \u0111\u1ed3. N\u1ebfu h\u1ec7 th\u1ed1ng giao ti\u1ebfp v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u0169, m\u1ed1i quan h\u1ec7 \u0111\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c ghi ch\u00e9p. N\u1ebfu n\u00f3 g\u1ecdi \u0111\u1ebfn c\u1ed5ng thanh to\u00e1n b\u00ean ngo\u00e0i, k\u1ebft n\u1ed1i \u0111\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c ghi ch\u00fa l\u1ea1i. \u0110i\u1ec1u n\u00e0y ng\u0103n ng\u1eeba vi\u1ec7c ng\u1eaft k\u1ebft n\u1ed1i v\u00f4 t\u00ecnh trong qu\u00e1 tr\u00ecnh di chuy\u1ec3n.<\/p>\n

        B\u01b0\u1edbc 3: X\u00e1c \u0111\u1ecbnh lu\u1ed3ng d\u1eef li\u1ec7u<\/h3>\n

        C\u00e1c m\u0169i t\u00ean trong s\u01a1 \u0111\u1ed3 \u0111\u1ea1i di\u1ec7n cho lu\u1ed3ng d\u1eef li\u1ec7u. Trong qu\u00e1 tr\u00ecnh di chuy\u1ec3n, t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u l\u00e0 \u0111i\u1ec1u t\u1ed1i quan tr\u1ecdng. Vi\u1ec7c ghi ch\u00e9p lu\u1ed3ng d\u1eef li\u1ec7u \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c di chuy\u1ec3n ch\u00ednh x\u00e1c. V\u00ed d\u1ee5, n\u1ebfu h\u1ec7 th\u1ed1ng c\u0169 g\u1eedi b\u00e1o c\u00e1o \u0111\u1ebfn c\u00f4ng c\u1ee5 ti\u1ebfp th\u1ecb, lu\u1ed3ng d\u1eef li\u1ec7u n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c sao ch\u00e9p ho\u1eb7c thay th\u1ebf trong m\u00f4i tr\u01b0\u1eddng m\u1edbi.<\/p>\n

        \ud83d\udd04 Chi\u1ebfn l\u01b0\u1ee3c di chuy\u1ec3n v\u00e0 s\u1ef1 ph\u00f9 h\u1ee3p v\u1edbi C4<\/h2>\n

        C\u00e1c chi\u1ebfn l\u01b0\u1ee3c di chuy\u1ec3n kh\u00e1c nhau y\u00eau c\u1ea7u m\u1ee9c \u0111\u1ed9 t\u00e0i li\u1ec7u kh\u00e1c nhau. M\u00f4 h\u00ecnh C4 ph\u00f9 h\u1ee3p t\u1ed1t v\u1edbi nhi\u1ec1u c\u00e1ch ti\u1ebfp c\u1eadn kh\u00e1c nhau. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng so s\u00e1nh c\u00e1c chi\u1ebfn l\u01b0\u1ee3c ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1ch ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c c\u1ea5p \u0111\u1ed9 C4.<\/p>\n\n\n\n\n\n\n\n\n
        Chi\u1ebfn l\u01b0\u1ee3c di chuy\u1ec3n<\/th>\nM\u1ee9c \u0111\u1ed9 C4 t\u1eadp trung<\/th>\nM\u1ee5c ti\u00eau t\u00e0i li\u1ec7u ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n
        Chuy\u1ec3n d\u1ecbch l\u1ea1i (N\u00e2ng v\u00e0 Di chuy\u1ec3n)<\/strong><\/td>\nB\u1ed1i c\u1ea3nh & B\u1ed9 ch\u1ee9a<\/td>\n\u0110\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i m\u1ea1ng v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ph\u1ea7n c\u1ee9ng v\u1eabn \u0111\u01b0\u1ee3c duy tr\u00ec.<\/td>\n<\/tr>\n
        T\u00e1i c\u1ea5u tr\u00fac (Hi\u1ec7n \u0111\u1ea1i h\u00f3a m\u00e3 ngu\u1ed3n)<\/strong><\/td>\nTh\u00e0nh ph\u1ea7n & B\u1ed9 ch\u1ee9a<\/td>\nB\u1ea3n \u0111\u1ed3 c\u00e1c thay \u0111\u1ed5i v\u1ec1 logic n\u1ed9i b\u1ed9 m\u00e0 kh\u00f4ng l\u00e0m thay \u0111\u1ed5i giao di\u1ec7n b\u00ean ngo\u00e0i.<\/td>\n<\/tr>\n
        M\u00f4 h\u00ecnh C\u00e2y Strangler Fig<\/strong><\/td>\nB\u1ed1i c\u1ea3nh & B\u1ed9 ch\u1ee9a<\/td>\nT\u1eeb t\u1eeb \u0111\u1ecbnh tuy\u1ebfn l\u01b0u l\u01b0\u1ee3ng t\u1eeb c\u00e1c b\u1ed9 ch\u1ee9a c\u0169 sang c\u00e1c b\u1ed9 ch\u1ee9a m\u1edbi.<\/td>\n<\/tr>\n
        Chuy\u1ec3n \u0111\u1ed5i ki\u1ec3u B\u00f9ng n\u1ed5<\/strong><\/td>\nB\u1ed1i c\u1ea3nh<\/td>\nX\u00e1c minh t\u1ea5t c\u1ea3 c\u00e1c ph\u1ee5 thu\u1ed9c b\u00ean ngo\u00e0i \u0111\u00e3 s\u1eb5n s\u00e0ng \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i \u0111\u1ed3ng th\u1eddi.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        V\u00ed d\u1ee5, m\u00f4 h\u00ecnh C\u00e2y Strangler Fig r\u1ea5t ph\u1ed5 bi\u1ebfn trong vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i h\u1ec7 th\u1ed1ng c\u0169. N\u00f3 bao g\u1ed3m vi\u1ec7c x\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng m\u1edbi xung quanh c\u00e1c c\u1ea1nh c\u1ee7a h\u1ec7 th\u1ed1ng c\u0169 v\u00e0 d\u1ea7n d\u1ea7n di chuy\u1ec3n ch\u1ee9c n\u0103ng. G\u00f3c nh\u00ecn B\u1ed1i c\u1ea3nh r\u1ea5t quan tr\u1ecdng \u1edf \u0111\u00e2y. N\u00f3 th\u1ec3 hi\u1ec7n h\u1ec7 th\u1ed1ng c\u0169 nh\u01b0 m\u1ed9t h\u1ed9p \u0111en trong khi c\u00e1c th\u00e0nh ph\u1ea7n m\u1edbi \u0111\u01b0\u1ee3c th\u00eam v\u00e0o nh\u01b0 nh\u1eefng h\u00e0ng x\u00f3m. Theo th\u1eddi gian, c\u00e1c th\u00e0nh ph\u1ea7n m\u1edbi thay th\u1ebf c\u00e1c th\u00e0nh ph\u1ea7n c\u0169. S\u01a1 \u0111\u1ed3 d\u1ea7n thay \u0111\u1ed5i \u0111\u1ec3 ph\u1ea3n \u00e1nh qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i n\u00e0y.<\/p>\n

        \ud83d\udee0\ufe0f X\u1eed l\u00fd n\u1ee3 k\u1ef9 thu\u1eadt trong t\u00e0i li\u1ec7u<\/h2>\n

        N\u1ee3 k\u1ef9 thu\u1eadt th\u01b0\u1eddng \u1ea9n m\u00ecnh trong kho\u1ea3ng tr\u1ed1ng gi\u1eefa c\u00e1c s\u01a1 \u0111\u1ed3. Khi t\u00e0i li\u1ec7u h\u00f3a c\u00e1c h\u1ec7 th\u1ed1ng c\u0169, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i \u0111\u00e1nh d\u1ea5u c\u00e1c khu v\u1ef1c \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 d\u1ec5 t\u1ed5n th\u01b0\u01a1ng. S\u1eed d\u1ee5ng ch\u00fa th\u00edch ho\u1eb7c phong c\u00e1ch \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 ch\u1ec9 ra:<\/p>\n

          \n
        • Gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c ghi c\u1ee9ng:<\/strong>C\u1ea5u h\u00ecnh c\u1ea7n \u0111\u01b0\u1ee3c t\u00e1ch ra b\u00ean ngo\u00e0i.<\/li>\n
        • Truy c\u1eadp c\u01a1 s\u1edf d\u1eef li\u1ec7u tr\u1ef1c ti\u1ebfp:<\/strong> B\u1ecf qua l\u1edbp \u1ee9ng d\u1ee5ng.<\/li>\n
        • C\u00e1c giao th\u1ee9c l\u1ed7i th\u1eddi:<\/strong> HTTP\/1.1 ho\u1eb7c k\u1ebft n\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a.<\/li>\n<\/ul>\n

          B\u1eb1ng c\u00e1ch \u0111\u00e1nh d\u1ea5u c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y trong s\u01a1 \u0111\u1ed3, \u0111\u1ed9i di chuy\u1ec3n c\u00f3 th\u1ec3 \u01b0u ti\u00ean ch\u00fang. Ch\u00fang tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n trong danh s\u00e1ch ch\u1edd di chuy\u1ec3n. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng m\u1edbi kh\u00f4ng k\u1ebf th\u1eeba nh\u1eefng \u0111i\u1ec3m y\u1ebfu t\u01b0\u01a1ng t\u1ef1 nh\u01b0 h\u1ec7 th\u1ed1ng c\u0169.<\/p>\n

          \ud83d\udcc9 Chi ti\u1ebft c\u1ea5p th\u00e0nh ph\u1ea7n cho vi\u1ec7c di chuy\u1ec3n logic<\/h2>\n

          Trong khi c\u00e1c g\u00f3c nh\u00ecn B\u1ed1i c\u1ea3nh v\u00e0 V\u1ecf ch\u1ee9a l\u00e0 \u1edf c\u1ea5p \u0111\u1ed9 cao, th\u00ec g\u00f3c nh\u00ecn Th\u00e0nh ph\u1ea7n \u0111i s\u00e2u v\u00e0o logic n\u1ed9i b\u1ed9. \u0110i\u1ec1u n\u00e0y l\u00e0 c\u1ea7n thi\u1ebft khi t\u00e1i c\u1ea5u tr\u00fac c\u00e1c quy t\u1eafc kinh doanh. V\u00ed d\u1ee5, n\u1ebfu m\u1ed9t h\u1ec7 th\u1ed1ng monolith c\u0169 ch\u1ee9a logic t\u00ednh ph\u00ed, logic n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c tr\u00edch xu\u1ea5t v\u00e0o m\u1ed9t d\u1ecbch v\u1ee5 c\u1ee5 th\u1ec3.<\/p>\n

          G\u00f3c nh\u00ecn Th\u00e0nh ph\u1ea7n gi\u00fap b\u1eb1ng c\u00e1ch:<\/p>\n

            \n
          • X\u00e1c \u0111\u1ecbnh c\u00e1c nh\u00f3m ch\u1ee9c n\u0103ng g\u1eafn k\u1ebft v\u1edbi nhau.<\/li>\n
          • Hi\u1ec3n th\u1ecb c\u00e1ch c\u00e1c l\u1edbp v\u00e0 ph\u01b0\u01a1ng th\u1ee9c t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau.<\/li>\n
          • Nh\u1ea5n m\u1ea1nh c\u00e1c m\u1ed1i quan h\u1ec7 ph\u1ee5 thu\u1ed9c ph\u1ee9c t\u1ea1p gi\u1eefa c\u00e1c m\u00f4-\u0111un.<\/li>\n<\/ul>\n

            Khi l\u1eadp k\u1ebf ho\u1ea1ch di chuy\u1ec3n, c\u00e1c \u0111\u1ed9i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng g\u00f3c nh\u00ecn n\u00e0y \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh th\u00e0nh ph\u1ea7n n\u00e0o n\u00ean di chuy\u1ec3n c\u00f9ng nhau. N\u1ebfu Th\u00e0nh ph\u1ea7n A ph\u1ee5 thu\u1ed9c m\u1ea1nh v\u00e0o Th\u00e0nh ph\u1ea7n B, vi\u1ec7c di chuy\u1ec3n ch\u00fang ri\u00eang l\u1ebb s\u1ebd t\u1ea1o r\u1ee7i ro. Vi\u1ec7c nh\u00f3m ch\u00fang l\u1ea1i \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u00e0nh tr\u00ecnh di chuy\u1ec3n duy tr\u00ec \u0111\u01b0\u1ee3c t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a logic kinh doanh.<\/p>\n

            \ud83d\udd17 Qu\u1ea3n l\u00fd c\u00e1c m\u1ed1i ph\u1ee5 thu\u1ed9c v\u00e0 giao di\u1ec7n<\/h2>\n

            M\u1ed9t trong nh\u1eefng r\u1ee7i ro l\u1edbn nh\u1ea5t khi di chuy\u1ec3n l\u00e0 l\u00e0m h\u1ecfng m\u1ed9t giao di\u1ec7n m\u00e0 h\u1ec7 th\u1ed1ng kh\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0o. M\u00f4 h\u00ecnh C4 bu\u1ed9c b\u1ea1n ph\u1ea3i ghi ch\u00e9p r\u00f5 r\u00e0ng c\u00e1c giao di\u1ec7n. M\u1ed7i m\u0169i t\u00ean trong s\u01a1 \u0111\u1ed3 \u0111\u1ea1i di\u1ec7n cho m\u1ed9t h\u1ee3p \u0111\u1ed3ng.<\/p>\n

            H\u1ee3p \u0111\u1ed3ng giao di\u1ec7n<\/h3>\n

            Ghi ch\u00e9p c\u00e1c \u0111i\u1ec3m cu\u1ed1i API, \u0111\u1ecbnh d\u1ea1ng tin nh\u1eafn v\u00e0 l\u01b0\u1ee3c \u0111\u1ed3 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c h\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng. Khi di chuy\u1ec3n sang m\u00f4i tr\u01b0\u1eddng m\u1edbi, c\u00e1c h\u1ee3p \u0111\u1ed3ng n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o t\u1ed3n ho\u1eb7c phi\u00ean b\u1ea3n h\u00f3a. N\u1ebfu c\u00f3 thay \u0111\u1ed5i, ph\u1ea3i th\u00f4ng b\u00e1o cho t\u1ea5t c\u1ea3 c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee5 thu\u1ed9c. S\u01a1 \u0111\u1ed3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u0111i\u1ec3m tham chi\u1ebfu cho nh\u1eefng thay \u0111\u1ed5i n\u00e0y.<\/p>\n

            B\u1ea3n \u0111\u1ed3 m\u1ed1i ph\u1ee5 thu\u1ed9c<\/h3>\n

            C\u00e1c h\u1ec7 th\u1ed1ng c\u0169 th\u01b0\u1eddng c\u00f3 c\u00e1c m\u1ed1i ph\u1ee5 thu\u1ed9c v\u00f2ng tr\u00f2n. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 H\u1ec7 th\u1ed1ng A g\u1ecdi H\u1ec7 th\u1ed1ng B, v\u00e0 H\u1ec7 th\u1ed1ng B l\u1ea1i g\u1ecdi H\u1ec7 th\u1ed1ng A. \u0110i\u1ec1u n\u00e0y r\u1ea5t kh\u00f3 \u0111\u1ec3 di chuy\u1ec3n. C\u00e1c s\u01a1 \u0111\u1ed3 C4 gi\u00fap tr\u1ef1c quan h\u00f3a nh\u1eefng v\u00f2ng l\u1eb7p n\u00e0y. C\u00e1c \u0111\u1ed9i c\u00f3 th\u1ec3 sau \u0111\u00f3 l\u00ean k\u1ebf ho\u1ea1ch chi\u1ebfn l\u01b0\u1ee3c t\u00e1ch r\u1eddi tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u di chuy\u1ec3n. Vi\u1ec7c ph\u00e1 v\u1ee1 c\u00e1c m\u1ed1i ph\u1ee5 thu\u1ed9c v\u00f2ng tr\u00f2n th\u01b0\u1eddng l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh microservices th\u00e0nh c\u00f4ng.<\/p>\n

            \ud83d\udc65 Giao ti\u1ebfp v\u1edbi c\u00e1c b\u00ean li\u00ean quan<\/h2>\n

            T\u00e0i li\u1ec7u kh\u00f4ng ch\u1ec9 d\u00e0nh cho nh\u00e0 ph\u00e1t tri\u1ec3n. N\u00f3 l\u00e0 c\u00f4ng c\u1ee5 giao ti\u1ebfp cho c\u00e1c b\u00ean li\u00ean quan kinh doanh, qu\u1ea3n l\u00fd d\u1ef1 \u00e1n v\u00e0 c\u00e1c \u0111\u1ed9i v\u1eadn h\u00e0nh. G\u00f3c nh\u00ecn B\u1ed1i c\u1ea3nh \u0111\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 v\u1edbi \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00f4ng chuy\u00ean v\u00ec n\u00f3 s\u1eed d\u1ee5ng c\u00e1c h\u00ecnh h\u1ed9p v\u00e0 m\u0169i t\u00ean \u0111\u01a1n gi\u1ea3n.<\/p>\n

              \n
            • \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 l\u00e3nh \u0111\u1ea1o kinh doanh:<\/strong> G\u00f3c nh\u00ecn B\u1ed1i c\u1ea3nh cho th\u1ea5y h\u1ec7 th\u1ed1ng h\u1ed7 tr\u1ee3 m\u1ee5c ti\u00eau kinh doanh nh\u01b0 th\u1ebf n\u00e0o. N\u00f3 l\u00e0m n\u1ed5i b\u1eadt n\u01a1i gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c t\u1ea1o ra v\u00e0 n\u01a1i n\u00e0o ti\u1ec1m \u1ea9n r\u1ee7i ro.<\/li>\n
            • \u0110\u1ed1i v\u1edbi V\u1eadn h\u00e0nh:<\/strong> G\u00f3c nh\u00ecn V\u1ecf ch\u1ee9a hi\u1ec3n th\u1ecb ki\u1ebfn tr\u00fac tri\u1ec3n khai. N\u00f3 gi\u00fap l\u1eadp k\u1ebf ho\u1ea1ch nhu c\u1ea7u h\u1ea1 t\u1ea7ng v\u00e0 y\u00eau c\u1ea7u gi\u00e1m s\u00e1t.<\/li>\n
            • \u0110\u1ed1i v\u1edbi Nh\u00e0 ph\u00e1t tri\u1ec3n:<\/strong> G\u00f3c nh\u00ecn Th\u00e0nh ph\u1ea7n cung c\u1ea5p b\u1ea3n \u0111\u1ed3 h\u00e0nh tr\u00ecnh cho vi\u1ec7c t\u00e1i c\u1ea5u tr\u00fac m\u00e3 ngu\u1ed3n.<\/li>\n<\/ul>\n

              S\u1eed d\u1ee5ng k\u00fd hi\u1ec7u nh\u1ea5t qu\u00e1n gi\u1eefa c\u00e1c nh\u00f3m n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u xung \u0111\u1ed9t. M\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u hi\u1ec3u s\u01a1 \u0111\u1ed3 \u0111\u1ea1i di\u1ec7n cho \u0111i\u1ec1u g\u00ec. S\u1ef1 \u0111\u1ed3ng thu\u1eadn n\u00e0y l\u00e0 thi\u1ebft y\u1ebfu \u0111\u1ec3 qu\u1ea3n l\u00fd k\u1ef3 v\u1ecdng trong su\u1ed1t m\u1ed9t d\u1ef1 \u00e1n di chuy\u1ec3n k\u00e9o d\u00e0i.<\/p>\n

              \u26a0\ufe0f Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn trong t\u00e0i li\u1ec7u di chuy\u1ec3n<\/h2>\n

              Ngay c\u1ea3 v\u1edbi m\u00f4 h\u00ecnh v\u1eefng ch\u1eafc, c\u00e1c \u0111\u1ed9i v\u1eabn c\u00f3 th\u1ec3 m\u1eafc sai l\u1ea7m. Nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn gi\u00fap tr\u00e1nh \u0111\u01b0\u1ee3c tr\u00ec ho\u00e3n v\u00e0 c\u00f4ng vi\u1ec7c ph\u1ea3i l\u00e0m l\u1ea1i.<\/p>\n

              1. S\u01a1 \u0111\u1ed3 l\u1ed7i th\u1eddi<\/h3>\n

              N\u1ebfu s\u01a1 \u0111\u1ed3 kh\u00f4ng kh\u1edbp v\u1edbi m\u00e3 ngu\u1ed3n, th\u00ec n\u00f3 l\u00e0 v\u00f4 d\u1ee5ng. T\u00e0i li\u1ec7u ph\u1ea3i \u0111\u01b0\u1ee3c coi nh\u01b0 m\u00e3 ngu\u1ed3n. N\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt m\u1ed7i khi h\u1ec7 th\u1ed1ng thay \u0111\u1ed5i. Trong m\u1ed9t d\u1ef1 \u00e1n di chuy\u1ec3n, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 c\u1eadp nh\u1eadt s\u01a1 \u0111\u1ed3 sau m\u1ed7i m\u1ed1c quan tr\u1ecdng. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u1ed9i ng\u0169 lu\u00f4n \u0111\u1ed3ng b\u1ed9 v\u1ec1 tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i.<\/p>\n

              2. B\u1ecf qua c\u00e1c y\u00eau c\u1ea7u phi ch\u1ee9c n\u0103ng<\/h3>\n

              C\u00e1c s\u01a1 \u0111\u1ed3 th\u01b0\u1eddng t\u1eadp trung v\u00e0o ch\u1ee9c n\u0103ng. Tuy nhi\u00ean, qu\u00e1 tr\u00ecnh di chuy\u1ec3n c\u0169ng bao g\u1ed3m hi\u1ec7u su\u1ea5t, b\u1ea3o m\u1eadt v\u00e0 kh\u1ea3 n\u0103ng s\u1eb5n s\u00e0ng. Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c ghi ch\u00fa tr\u00ean s\u01a1 \u0111\u1ed3. V\u00ed d\u1ee5, \u0111\u00e1nh d\u1ea5u m\u1ed9t container c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u1edbi gi\u1edbi h\u1ea1n dung l\u01b0\u1ee3ng ho\u1eb7c c\u00e1c giao th\u1ee9c b\u1ea3o m\u1eadt. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o m\u00f4i tr\u01b0\u1eddng m\u1edbi \u0111\u00e1p \u1ee9ng c\u00f9ng c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 tr\u01b0\u1edbc.<\/p>\n

              3. Thi\u1ebft k\u1ebf qu\u00e1 m\u1ee9c<\/h3>\n

              \u0110\u1eebng c\u1ed1 g\u1eafng v\u1ebd s\u01a1 \u0111\u1ed3 cho t\u1eebng l\u1edbp ri\u00eang l\u1ebb. M\u00f4 h\u00ecnh C4 c\u00f3 b\u1ed1n c\u1ea5p \u0111\u1ed9, nh\u01b0ng \u0111\u1ed1i v\u1edbi vi\u1ec7c di chuy\u1ec3n, ba c\u1ea5p \u0111\u1ed9 tr\u00ean th\u01b0\u1eddng l\u00e0 \u0111\u1ee7. T\u1eadp trung v\u00e0o c\u00e1c bi\u00ean gi\u1edbi v\u00e0 lu\u1ed3ng d\u1eef li\u1ec7u. Qu\u00e1 nhi\u1ec1u chi ti\u1ebft s\u1ebd l\u00e0m m\u1edd b\u1ee9c tranh t\u1ed5ng th\u1ec3. Gi\u1eef c\u00e1c s\u01a1 \u0111\u1ed3 s\u1ea1ch s\u1ebd v\u00e0 d\u1ec5 \u0111\u1ecdc.<\/p>\n

              \ud83d\udd04 Duy tr\u00ec h\u00e0nh tr\u00ecnh di chuy\u1ec3n<\/h2>\n

              Vi\u1ec7c di chuy\u1ec3n l\u00e0 m\u1ed9t h\u00e0nh tr\u00ecnh, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u00edch \u0111\u1ebfn. T\u00e0i li\u1ec7u ph\u1ea3i thay \u0111\u1ed5i theo s\u1ef1 thay \u0111\u1ed5i c\u1ee7a h\u1ec7 th\u1ed1ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 quy tr\u00ecnh \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t \u0111\u1ec3 duy tr\u00ec t\u00e0i li\u1ec7u:<\/p>\n

                \n
              • Tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u:<\/strong> T\u1ea1o c\u00e1c b\u1ea3n xem B\u1ed1i c\u1ea3nh v\u00e0 Container c\u1ee7a h\u1ec7 th\u1ed1ng c\u0169.<\/li>\n
              • Tr\u1ea1ng th\u00e1i m\u1ee5c ti\u00eau:<\/strong> So\u1ea1n th\u1ea3o ki\u1ebfn tr\u00fac mong mu\u1ed1n cho h\u1ec7 th\u1ed1ng m\u1edbi.<\/li>\n
              • Ph\u00e2n t\u00edch kho\u1ea3ng tr\u1ed1ng:<\/strong> So s\u00e1nh hai s\u01a1 \u0111\u1ed3 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c ph\u1ea7n c\u00f2n thi\u1ebfu.<\/li>\n
              • C\u1eadp nh\u1eadt theo t\u1eebng giai \u0111o\u1ea1n:<\/strong> C\u1eadp nh\u1eadt c\u00e1c s\u01a1 \u0111\u1ed3 khi m\u1ed7i giai \u0111o\u1ea1n di chuy\u1ec3n \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh.<\/li>\n<\/ul>\n

                C\u00e1ch ti\u1ebfp c\u1eadn l\u1eb7p l\u1ea1i n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00e0i li\u1ec7u lu\u00f4n ch\u00ednh x\u00e1c. N\u00f3 c\u0169ng cung c\u1ea5p m\u1ed9t b\u1ea3n ghi l\u1ecbch s\u1eed v\u1ec1 qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u1ee7a h\u1ec7 th\u1ed1ng. \u0110i\u1ec1u n\u00e0y r\u1ea5t c\u00f3 gi\u00e1 tr\u1ecb cho vi\u1ec7c b\u1ea3o tr\u00ec v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 trong t\u01b0\u01a1ng lai.<\/p>\n

                \ud83d\udee1\ufe0f C\u00e1c y\u1ebfu t\u1ed1 b\u1ea3o m\u1eadt trong s\u01a1 \u0111\u1ed3<\/h2>\n

                B\u1ea3o m\u1eadt l\u00e0 m\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh di chuy\u1ec3n. M\u00f4 h\u00ecnh C4 cho ph\u00e9p c\u00e1c \u0111\u1ed9i ghi ch\u00fa c\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t b\u1ea3o m\u1eadt. B\u1ea1n c\u00f3 th\u1ec3 \u0111\u00e1nh d\u1ea5u c\u00e1c container b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p m\u00e3 h\u00f3a ho\u1eb7c giao th\u1ee9c x\u00e1c th\u1ef1c. \u0110i\u1ec1u n\u00e0y khi\u1ebfn b\u1ea3o m\u1eadt tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n r\u00f5 r\u00e0ng trong ki\u1ebfn tr\u00fac thay v\u00ec ch\u1ec9 l\u00e0 sau khi ho\u00e0n th\u00e0nh.<\/p>\n

                Khi di chuy\u1ec3n d\u1eef li\u1ec7u c\u0169, h\u00e3y \u0111\u1ea3m b\u1ea3o c\u00e1c lu\u1ed3ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt. Ghi ch\u00e9p l\u1ea1i qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u t\u1eeb h\u1ec7 th\u1ed1ng c\u0169 sang h\u1ec7 th\u1ed1ng m\u1edbi. \u0110i\u1ec1u n\u00e0y gi\u00fap c\u00e1c \u0111\u1ed9i b\u1ea3o m\u1eadt ki\u1ec3m to\u00e1n quy tr\u00ecnh. \u0110\u1ed3ng th\u1eddi c\u0169ng \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh li\u00ean quan \u0111\u1ebfn x\u1eed l\u00fd d\u1eef li\u1ec7u.<\/p>\n

                \ud83e\udde9 T\u00edch h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 hi\u1ec7n c\u00f3<\/h2>\n

                T\u00e0i li\u1ec7u c\u1ea7n t\u00edch h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 m\u00e0 \u0111\u1ed9i ng\u0169 \u0111ang s\u1eed d\u1ee5ng. M\u1eb7c d\u00f9 m\u00f4 h\u00ecnh C4 \u0111\u1ed9c l\u1eadp v\u1edbi ph\u1ea7n m\u1ec1m c\u1ee5 th\u1ec3, nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c minh h\u1ecda b\u1eb1ng nhi\u1ec1u c\u00f4ng c\u1ee5 kh\u00e1c nhau. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ea7u ra c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c b\u1edfi \u0111\u1ed9i ng\u0169. Xu\u1ea5t s\u01a1 \u0111\u1ed3 sang c\u00e1c \u0111\u1ecbnh d\u1ea1ng d\u1ec5 chia s\u1ebb nh\u01b0 h\u00ecnh \u1ea3nh ho\u1eb7c PDF.<\/p>\n

                Ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n c\u0169ng r\u1ea5t quan tr\u1ecdng. L\u01b0u tr\u1eef c\u00e1c t\u1ec7p s\u01a1 \u0111\u1ed3 trong c\u00f9ng m\u1ed9t kho l\u01b0u tr\u1eef v\u1edbi m\u00e3 ngu\u1ed3n. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o ki\u1ebfn tr\u00fac ph\u00e1t tri\u1ec3n c\u00f9ng v\u1edbi c\u01a1 s\u1edf m\u00e3. N\u00f3 cho ph\u00e9p qu\u00e1 tr\u00ecnh xem x\u00e9t m\u00e3 ngu\u1ed3n bao g\u1ed3m c\u1ea3 nh\u1eefng thay \u0111\u1ed5i v\u1ec1 ki\u1ebfn tr\u00fac.<\/p>\n

                \ud83d\udcca \u0110o l\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 th\u00e0nh c\u00f4ng c\u1ee7a t\u00e0i li\u1ec7u<\/h2>\n

                L\u00e0m sao \u0111\u1ec3 bi\u1ebft t\u00e0i li\u1ec7u c\u00f3 \u0111ang gi\u00fap \u00edch? H\u00e3y t\u00ecm c\u00e1c ch\u1ec9 s\u1ed1 c\u1ee5 th\u1ec3 trong qu\u00e1 tr\u00ecnh di chuy\u1ec3n:<\/p>\n

                  \n
                • Th\u1eddi gian l\u00e0m quen gi\u1ea3m:<\/strong>C\u00e1c th\u00e0nh vi\u00ean m\u1edbi trong \u0111\u1ed9i hi\u1ec3u h\u1ec7 th\u1ed1ng nhanh h\u01a1n.<\/li>\n
                • \u00cdt s\u1ef1 c\u1ed1 trong m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t h\u01a1n:<\/strong>C\u00e1c ph\u1ee5 thu\u1ed9c \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd t\u1ed1t h\u01a1n, gi\u1ea3m thi\u1ec3u s\u1ef1 c\u1ed1.<\/li>\n
                • Quy\u1ebft \u0111\u1ecbnh r\u00f5 r\u00e0ng h\u01a1n:<\/strong>C\u00e1c quy\u1ebft \u0111\u1ecbnh v\u1ec1 ki\u1ebfn tr\u00fac \u0111\u01b0\u1ee3c ghi ch\u00e9p v\u00e0 tham chi\u1ebfu.<\/li>\n
                • \u01af\u1edbc l\u01b0\u1ee3ng ch\u00ednh x\u00e1c:<\/strong> C\u00e1c m\u1ed1c th\u1eddi gian di chuy\u1ec3n tr\u1edf n\u00ean d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c h\u01a1n.<\/li>\n<\/ul>\n

                  N\u1ebfu c\u00e1c ch\u1ec9 s\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, chi\u1ebfn l\u01b0\u1ee3c t\u00e0i li\u1ec7u h\u00f3a \u0111ang ho\u1ea1t \u0111\u1ed9ng t\u1ed1t. N\u1ebfu kh\u00f4ng, h\u00e3y xem x\u00e9t l\u1ea1i m\u1ee9c \u0111\u1ed9 chi ti\u1ebft v\u00e0 t\u1ea7n su\u1ea5t c\u1eadp nh\u1eadt.<\/p>\n

                  \ud83c\udfaf Nh\u1eefng c\u00e2n nh\u1eafc cu\u1ed1i c\u00f9ng<\/h2>\n

                  Vi\u1ec7c t\u00e0i li\u1ec7u h\u00f3a c\u00e1c h\u00e0nh tr\u00ecnh di chuy\u1ec3n h\u1ec7 th\u1ed1ng c\u0169 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t c\u00f4ng vi\u1ec7c m\u1ed9t l\u1ea7n. \u0110\u00f3 l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh li\u00ean t\u1ee5c \u0111\u00f2i h\u1ecfi s\u1ef1 k\u1ef7 lu\u1eadt v\u00e0 cam k\u1ebft. M\u00f4 h\u00ecnh C4 cung c\u1ea5p m\u1ed9t khung v\u1eefng ch\u1eafc cho c\u00f4ng vi\u1ec7c n\u00e0y. N\u00f3 c\u00e2n b\u1eb1ng gi\u1eefa c\u00e1i nh\u00ecn t\u1ed5ng quan c\u1ea5p cao v\u00e0 c\u00e1c chi ti\u1ebft c\u1ea7n thi\u1ebft, gi\u00fap c\u00e1c \u0111\u1ed9i ng\u0169 t\u1ef1 tin v\u01b0\u1ee3t qua nh\u1eefng chuy\u1ec3n \u0111\u1ed5i ph\u1ee9c t\u1ea1p.<\/p>\n

                  B\u1eb1ng c\u00e1ch t\u1eadp trung v\u00e0o c\u00e1c b\u1ea3n \u0111\u1ed3 B\u1ed1i c\u1ea3nh v\u00e0 Container, c\u00e1c \u0111\u1ed9i c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh b\u1ee9c tranh t\u1ed5ng th\u1ec3 tr\u01b0\u1edbc khi b\u1eaft tay v\u00e0o m\u00e3 ngu\u1ed3n. B\u1eb1ng c\u00e1ch duy tr\u00ec c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y trong su\u1ed1t qu\u00e1 tr\u00ecnh, h\u1ecd \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u00e0nh tr\u00ecnh di chuy\u1ec3n v\u1eabn r\u00f5 r\u00e0ng v\u00e0 \u0111\u01b0\u1ee3c hi\u1ec3u. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y gi\u1ea3m thi\u1ec3u r\u1ee7i ro v\u00e0 x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc h\u01a1n cho t\u01b0\u01a1ng lai.<\/p>\n

                  H\u00e3y nh\u1edb r\u1eb1ng m\u1ee5c ti\u00eau kh\u00f4ng ch\u1ec9 l\u00e0 di chuy\u1ec3n m\u00e3 ngu\u1ed3n. \u0110\u00f3 l\u00e0 di chuy\u1ec3n s\u1ef1 hi\u1ec3u bi\u1ebft. Khi \u0111\u1ed9i ng\u0169 hi\u1ec3u r\u00f5 ki\u1ebfn tr\u00fac, h\u1ecd c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng t\u1ed1t h\u01a1n. B\u1eaft \u0111\u1ea7u b\u1eb1ng b\u1ea3n \u0111\u1ed3 B\u1ed1i c\u1ea3nh. X\u00e1c \u0111\u1ecbnh ranh gi\u1edbi. B\u1ea3n \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u. Sau \u0111\u00f3, ti\u1ebfn h\u00e0nh di chuy\u1ec3n. V\u1edbi t\u00e0i li\u1ec7u r\u00f5 r\u00e0ng, con \u0111\u01b0\u1eddng ph\u00eda tr\u01b0\u1edbc s\u1ebd tr\u1edf n\u00ean r\u00f5 r\u00e0ng h\u01a1n nhi\u1ec1u.<\/p>\n","protected":false},"excerpt":{"rendered":"

                  Chuy\u1ec3n \u0111\u1ed5i t\u1eeb ki\u1ebfn tr\u00fac c\u0169 sang h\u1ea1 t\u1ea7ng hi\u1ec7n \u0111\u1ea1i l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 ph\u1ee9c t\u1ea1p \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c, r\u00f5 r\u00e0ng v\u00e0 hi\u1ec3u s\u00e2u v\u1ec1 c\u00e1c m\u1ed1i…<\/p>\n","protected":false},"author":1,"featured_media":1977,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"H\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1c h\u00e0nh tr\u00ecnh di chuy\u1ec3n h\u1ec7 th\u1ed1ng c\u0169 v\u1edbi c\u00e1c b\u1ea3n \u0111\u1ed3 B\u1ed1i c\u1ea3nh C4 \ud83d\udd04","_yoast_wpseo_metadesc":"M\u1ed9t h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 vi\u1ec7c t\u00e0i li\u1ec7u h\u00f3a c\u00e1c h\u00e0nh tr\u00ecnh di chuy\u1ec3n h\u1ec7 th\u1ed1ng c\u0169 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c b\u1ea3n \u0111\u1ed3 B\u1ed1i c\u1ea3nh C4. H\u1ecdc c\u00e1ch b\u1ea3n \u0111\u1ed3 c\u00e1c m\u1ed1i ph\u1ee5 thu\u1ed9c, qu\u1ea3n l\u00fd r\u1ee7i ro v\u00e0 tr\u1ef1c quan h\u00f3a ki\u1ebfn tr\u00fac.","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[65],"tags":[89,97],"class_list":["post-1976","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-c4-model","tag-academic","tag-c4-model"],"yoast_head":"\nH\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1c h\u00e0nh tr\u00ecnh di chuy\u1ec3n h\u1ec7 th\u1ed1ng c\u0169 v\u1edbi c\u00e1c b\u1ea3n \u0111\u1ed3 B\u1ed1i c\u1ea3nh C4 \ud83d\udd04<\/title>\n<meta name=\"description\" content=\"M\u1ed9t h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 vi\u1ec7c t\u00e0i li\u1ec7u h\u00f3a c\u00e1c h\u00e0nh tr\u00ecnh di chuy\u1ec3n h\u1ec7 th\u1ed1ng c\u0169 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c b\u1ea3n \u0111\u1ed3 B\u1ed1i c\u1ea3nh C4. H\u1ecdc c\u00e1ch b\u1ea3n \u0111\u1ed3 c\u00e1c m\u1ed1i ph\u1ee5 thu\u1ed9c, qu\u1ea3n l\u00fd r\u1ee7i ro v\u00e0 tr\u1ef1c quan h\u00f3a ki\u1ebfn tr\u00fac.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.viz-note.com\/vi\/documenting-legacy-system-migration-paths-c4-context-views\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1c h\u00e0nh tr\u00ecnh di chuy\u1ec3n h\u1ec7 th\u1ed1ng c\u0169 v\u1edbi c\u00e1c b\u1ea3n \u0111\u1ed3 B\u1ed1i c\u1ea3nh C4 \ud83d\udd04\" \/>\n<meta property=\"og:description\" content=\"M\u1ed9t h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 vi\u1ec7c t\u00e0i li\u1ec7u h\u00f3a c\u00e1c h\u00e0nh tr\u00ecnh di chuy\u1ec3n h\u1ec7 th\u1ed1ng c\u0169 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c b\u1ea3n \u0111\u1ed3 B\u1ed1i c\u1ea3nh C4. 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