{"id":1184,"date":"2026-04-05T20:45:16","date_gmt":"2026-04-05T12:45:16","guid":{"rendered":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/transforming-legacy-systems-composite-structure-diagram-roadmap\/"},"modified":"2026-04-05T20:45:16","modified_gmt":"2026-04-05T12:45:16","slug":"transforming-legacy-systems-composite-structure-diagram-roadmap","status":"publish","type":"post","link":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/transforming-legacy-systems-composite-structure-diagram-roadmap\/","title":{"rendered":"Chuy\u1ec3n \u0111\u1ed5i c\u00e1c H\u1ec7 th\u1ed1ng L\u1ed7i th\u1eddi: B\u1ea3n \u0111\u1ed3 h\u00e0nh tr\u00ecnh cho S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh"},"content":{"rendered":"<p>Hi\u1ec7n \u0111\u1ea1i h\u00f3a c\u00e1c n\u1ec1n t\u1ea3ng c\u00f4ng ngh\u1ec7 hi\u1ebfm khi l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 \u0111\u01a1n gi\u1ea3n. Khi c\u00e1c t\u1ed5 ch\u1ee9c ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng l\u1ed7i th\u1eddi, \u0111\u1ed9 ph\u1ee9c t\u1ea1p th\u01b0\u1eddng kh\u00f4ng ch\u1ec9 n\u1eb1m \u1edf m\u00e3 ngu\u1ed3n m\u00e0 c\u00f2n \u1edf nh\u1eefng m\u1ed1i quan h\u1ec7 \u1ea9n gi\u1ea5u gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n. C\u00e1c h\u1ec7 th\u1ed1ng l\u1ed7i th\u1eddi t\u00edch l\u0169y n\u1ee3 k\u1ef9 thu\u1eadt trong nhi\u1ec1u n\u0103m, d\u1eabn \u0111\u1ebfn c\u00e1c m\u1ed1i ph\u1ee5 thu\u1ed9c r\u1ed1i r\u1eafm v\u00e0 ki\u1ebfn tr\u00fac kh\u00f4ng minh b\u1ea1ch. \u0110\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng hi\u1ec7u qu\u1ea3 trong b\u1ed1i c\u1ea3nh n\u00e0y, c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 c\u1ea7n m\u1ed9t c\u00e1ch \u0111\u1ec3 tr\u1ef1c quan h\u00f3a c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a c\u00e1c b\u1ed9 ph\u00e2n lo\u1ea1i h\u1ec7 th\u1ed1ng. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh (CSD) tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu trong b\u1ed9 c\u00f4ng c\u1ee5 ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng.<\/p>\n<p>H\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p b\u1ea3n \u0111\u1ed3 h\u00e0nh tr\u00ecnh to\u00e0n di\u1ec7n \u0111\u1ec3 t\u1eadn d\u1ee5ng S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh nh\u1eb1m ph\u00e2n t\u00edch, hi\u1ec3u r\u00f5 v\u00e0 chuy\u1ec3n \u0111\u1ed5i m\u00f4i tr\u01b0\u1eddng l\u1ed7i th\u1eddi. B\u1eb1ng c\u00e1ch l\u1eadp b\u1ea3n \u0111\u1ed3 c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong, vai tr\u00f2 v\u00e0 c\u1ed5ng c\u1ee7a h\u1ec7 th\u1ed1ng hi\u1ec7n t\u1ea1i, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t l\u1ed9 tr\u00ecnh r\u00f5 r\u00e0ng cho t\u01b0\u01a1ng lai. Tr\u1ecdng t\u00e2m \u1edf \u0111\u00e2y l\u00e0 s\u1ef1 r\u00f5 r\u00e0ng v\u1ec1 c\u1ea5u tr\u00fac, gi\u1ea3m thi\u1ec3u s\u1ef1 ph\u1ee5 thu\u1ed9c l\u1eabn nhau v\u00e0 thi\u1ebft l\u1eadp n\u1ec1n t\u1ea3ng cho s\u1ef1 ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng.<\/p>\n<figure class=\"wp-block-image aligncenter\"><img alt=\"Hand-drawn infographic illustrating a 4-phase roadmap for transforming legacy systems using UML Composite Structure Diagrams: Phase 1 Discovery &amp; Inventory (identifying classifiers, mapping parts, documenting ports), Phase 2 Analysis &amp; Decomposition (analyzing connectivity, defining interfaces, identifying replacement candidates), Phase 3 Designing Target Structure (separation of concerns, standardized communication, new roles), Phase 4 Migration &amp; Validation (incremental replacement, regression testing, documentation updates). Features key CSD elements (classifier, part, role, port, connector, collaboration) as illustrated icons, common pitfalls warnings, and best practices checklist for sustainable architecture. Hand-sketched style with watercolor accents, 16:9 aspect ratio, educational technical illustration.\" decoding=\"async\" src=\"https:\/\/flavorfiesta.foodiesconnect.net\/wp-content\/uploads\/2026\/04\/composite-structure-diagram-legacy-transformation-roadmap-infographic.jpg\"\/><\/figure>\n<h2>Hi\u1ec3u v\u1ec1 S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh \ud83e\udde9<\/h2>\n<p>S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh l\u00e0 m\u1ed9t lo\u1ea1i s\u01a1 \u0111\u1ed3 UML (Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t). N\u00f3 m\u00f4 t\u1ea3 c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i. Trong khi c\u00e1c S\u01a1 \u0111\u1ed3 L\u1edbp ti\u00eau chu\u1ea9n th\u1ec3 hi\u1ec7n c\u00e1c m\u1ed1i quan h\u1ec7 v\u00e0 thu\u1ed9c t\u00ednh b\u00ean ngo\u00e0i, th\u00ec CSD \u0111i s\u00e2u h\u01a1n. Ch\u00fang ti\u1ebft l\u1ed9 m\u1ed9t l\u1edbp hay th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c c\u1ea5u th\u00e0nh t\u1eeb nh\u1eefng g\u00ec v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong \u0111\u00f3 t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n<p>Trong b\u1ed1i c\u1ea3nh chuy\u1ec3n \u0111\u1ed5i h\u1ec7 th\u1ed1ng l\u1ed7i th\u1eddi, m\u1ed9t CSD ho\u1ea1t \u0111\u1ed9ng nh\u01b0 b\u1ea3n \u0111\u1ed3 c\u1ee7a b\u1ed9 m\u00e1y b\u00ean trong. N\u00f3 ph\u00e2n t\u00edch m\u1ed9t h\u1ed9p \u0111en th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u th\u00e0nh. M\u1ee9c \u0111\u1ed9 chi ti\u1ebft n\u00e0y l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t khi x\u1eed l\u00fd c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u01a1n th\u1ec3, n\u01a1i ranh gi\u1edbi gi\u1eefa c\u00e1c l\u1edbp logic tr\u1edf n\u00ean m\u1edd nh\u1ea1t.<\/p>\n<h3>C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh trong S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh<\/h3>\n<ul>\n<li><strong>B\u1ed9 ph\u00e2n lo\u1ea1i:<\/strong> Th\u00e0nh ph\u1ea7n c\u1ea5p cao nh\u1ea5t \u0111ang \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch (v\u00ed d\u1ee5: m\u1ed9t module l\u1ed7i th\u1eddi ho\u1eb7c h\u1ec7 th\u1ed1ng con).<\/li>\n<li><strong>B\u1ed9 ph\u1eadn:<\/strong> C\u00e1c th\u00e0nh ph\u1ea7n b\u00ean trong t\u1ea1o n\u00ean b\u1ed9 ph\u00e2n lo\u1ea1i. Ch\u00fang \u0111\u1ea1i di\u1ec7n cho c\u00e1c \u0111\u01a1n v\u1ecb ch\u1ee9c n\u0103ng c\u1ee5 th\u1ec3.<\/li>\n<li><strong>Vai tr\u00f2:<\/strong> Ch\u1ee9c n\u0103ng c\u1ee5 th\u1ec3 m\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn \u0111\u00f3ng trong c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh.<\/li>\n<li><strong>C\u1ed5ng:<\/strong> \u0110i\u1ec3m t\u01b0\u01a1ng t\u00e1c n\u01a1i m\u1ed9t b\u1ed9 ph\u1eadn k\u1ebft n\u1ed1i v\u1edbi th\u1ebf gi\u1edbi b\u00ean ngo\u00e0i ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c.<\/li>\n<li><strong>K\u1ebft n\u1ed1i:<\/strong> K\u1ebft n\u1ed1i gi\u1eefa c\u00e1c c\u1ed5ng, x\u00e1c \u0111\u1ecbnh lu\u1ed3ng d\u1eef li\u1ec7u ho\u1eb7c \u0111i\u1ec1u khi\u1ec3n.<\/li>\n<li><strong>H\u1ee3p t\u00e1c:<\/strong> Giao di\u1ec7n ho\u1eb7c h\u1ee3p \u0111\u1ed3ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn.<\/li>\n<\/ul>\n<p>Khi \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng l\u1ed7i th\u1eddi, c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y chuy\u1ec3n \u0111\u1ed5i tr\u1ef1c ti\u1ebfp th\u00e0nh c\u00e1c t\u00e0i s\u1ea3n v\u1eadt l\u00fd ho\u1eb7c logic. M\u1ed9t B\u1ed9 ph\u1eadn c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t b\u1ea3ng c\u01a1 s\u1edf d\u1eef li\u1ec7u, m\u1ed9t th\u01b0 vi\u1ec7n c\u1ee5 th\u1ec3 ho\u1eb7c m\u1ed9t d\u1ecbch v\u1ee5 vi m\u00f4. M\u1ed9t K\u1ebft n\u1ed1i \u0111\u1ea1i di\u1ec7n cho m\u1ed9t l\u1eddi g\u1ecdi API, m\u1ed9t h\u00e0ng \u0111\u1ee3i tin nh\u1eafn ho\u1eb7c m\u1ed9t k\u1ebft n\u1ed1i c\u01a1 s\u1edf d\u1eef li\u1ec7u tr\u1ef1c ti\u1ebfp.<\/p>\n<h2>T\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng CSD \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i h\u1ec7 th\u1ed1ng l\u1ed7i th\u1eddi? \ud83d\udee0\ufe0f<\/h2>\n<p>T\u00e0i li\u1ec7u chu\u1ea9n th\u01b0\u1eddng kh\u00f4ng \u0111\u1ee7 khi h\u1ec7 th\u1ed1ng \u0111\u00e3 t\u1ed3n t\u1ea1i h\u01a1n m\u1ed9t th\u1eadp k\u1ef7. C\u00e1c ch\u00fa th\u00edch m\u00e3 ngu\u1ed3n c\u00f3 th\u1ec3 \u0111\u00e3 l\u1ed7i th\u1eddi, v\u00e0 c\u00e1c s\u01a1 \u0111\u1ed3 c\u1ea5p cao c\u00f3 th\u1ec3 che gi\u1ea5u \u0111\u1ed9 ph\u1ee9c t\u1ea1p g\u00e2y ra s\u1ef1 c\u1ed1. S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh mang l\u1ea1i nh\u1eefng l\u1ee3i th\u1ebf c\u1ee5 th\u1ec3 trong t\u00ecnh hu\u1ed1ng n\u00e0y.<\/p>\n<h3>1. B\u1ed9c l\u1ed9 s\u1ef1 ph\u1ee5 thu\u1ed9c \u1ea9n<\/h3>\n<p>M\u00e3 ngu\u1ed3n l\u1ed7i th\u1eddi th\u01b0\u1eddng g\u1eb7p ph\u1ea3i s\u1ef1 ph\u1ee5 thu\u1ed9c ch\u1eb7t ch\u1ebd. C\u00e1c module ph\u1ee5 thu\u1ed9c v\u00e0o nhau theo nh\u1eefng c\u00e1ch kh\u00f4ng r\u00f5 r\u00e0ng ngay l\u1eadp t\u1ee9c. B\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong v\u00e0 c\u00e1c k\u1ebft n\u1ed1i c\u1ee7a ch\u00fang, b\u1ea1n s\u1ebd l\u00e0m l\u1ed9 ra nh\u1eefng m\u1ed1i ph\u1ee5 thu\u1ed9c n\u00e0y. B\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y ch\u00ednh x\u00e1c b\u1ed9 ph\u1eadn n\u00e0o ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ed9 ph\u1eadn n\u00e0o, t\u1eeb \u0111\u00f3 nh\u1eafm m\u1ee5c ti\u00eau v\u00e0o c\u00e1c khu v\u1ef1c c\u1ee5 th\u1ec3 \u0111\u1ec3 t\u00e1ch r\u1eddi.<\/p>\n<h3>2. L\u00e0m r\u00f5 ranh gi\u1edbi<\/h3>\n<p>T\u00e1i c\u1ea5u tr\u00fac \u0111\u00f2i h\u1ecfi c\u00e1c ranh gi\u1edbi r\u00f5 r\u00e0ng. Kh\u00f4ng c\u00f3 CSD, r\u1ea5t d\u1ec5 v\u00f4 t\u00ecnh l\u00e0m h\u1ecfng ch\u1ee9c n\u0103ng khi di chuy\u1ec3n m\u00e3 ngu\u1ed3n. S\u01a1 \u0111\u1ed3 x\u00e1c \u0111\u1ecbnh giao di\u1ec7n c\u1ee7a \u0111\u01a1n v\u1ecb h\u1ee3p th\u00e0nh. N\u00f3 cho th\u1ea5y \u0111i\u1ec1u g\u00ec ph\u1ea3i duy tr\u00ec \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111i\u1ec1u g\u00ec c\u00f3 th\u1ec3 thay \u0111\u1ed5i b\u00ean trong. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c chi\u1ebfn l\u01b0\u1ee3c di chuy\u1ec3n t\u1eebng b\u01b0\u1edbc.<\/p>\n<h3>3. H\u1ed7 tr\u1ee3 giao ti\u1ebfp<\/h3>\n<p>C\u00e1c ki\u1ebfn tr\u00fac s\u01b0, nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 c\u00e1c b\u00ean li\u00ean quan kinh doanh th\u01b0\u1eddng n\u00f3i nh\u1eefng ng\u00f4n ng\u1eef kh\u00e1c nhau. M\u1ed9t bi\u1ec3u di\u1ec5n tr\u1ef1c quan v\u1ec1 c\u1ea5u tr\u00fac b\u00ean trong gi\u00fap l\u1ea5p \u0111\u1ea7y kho\u1ea3ng c\u00e1ch n\u00e0y. N\u00f3 cho ph\u00e9p c\u00e1c \u0111\u1ed9i k\u1ef9 thu\u1eadt gi\u1ea3i th\u00edch c\u00e1ch tri\u1ec3n khai m\u1ed9t t\u00ednh n\u0103ng c\u1ee5 th\u1ec3 m\u00e0 kh\u00f4ng c\u1ea7n l\u00fan s\u00e2u v\u00e0o m\u00e3 ngu\u1ed3n th\u00f4. \u0110\u1ed3ng th\u1eddi, n\u00f3 gi\u00fap c\u00e1c b\u00ean li\u00ean quan hi\u1ec3u r\u00f5 l\u00fd do t\u1ea1i sao m\u1ed9t thay \u0111\u1ed5i \u1edf khu v\u1ef1c n\u00e0y l\u1ea1i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn khu v\u1ef1c kh\u00e1c.<\/p>\n<h2>Giai \u0111o\u1ea1n 1: Ph\u00e1t hi\u1ec7n v\u00e0 Danh s\u00e1ch t\u00e0i s\u1ea3n \ud83d\udccb<\/h2>\n<p>B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong b\u1ea5t k\u1ef3 qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i n\u00e0o l\u00e0 hi\u1ec3u r\u00f5 tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i. Giai \u0111o\u1ea1n n\u00e0y t\u1eadp trung v\u00e0o vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u v\u00e0 bi\u1ec3u di\u1ec5n ch\u00fang theo c\u1ea5u tr\u00fac. \u0110\u1eebng v\u1ed9i v\u00e0ng b\u01b0\u1edbc n\u00e0y. Vi\u1ec7c hi\u1ec3u sai v\u1ec1 tr\u1ea1ng th\u00e1i l\u1ed7i th\u1eddi s\u1ebd d\u1eabn \u0111\u1ebfn th\u1ea5t b\u1ea1i trong qu\u00e1 tr\u00ecnh di chuy\u1ec3n.<\/p>\n<h3>B\u01b0\u1edbc 1.1: X\u00e1c \u0111\u1ecbnh c\u00e1c b\u1ed9 ph\u00e2n lo\u1ea1i<\/h3>\n<p>B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch li\u1ec7t k\u00ea c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n. \u0110\u00e2y l\u00e0 nh\u1eefng b\u1ed9 ph\u00e2n lo\u1ea1i b\u1ea1n s\u1ebd m\u00f4 h\u00ecnh h\u00f3a. Trong b\u1ed1i c\u1ea3nh h\u1ec7 th\u1ed1ng c\u0169, ch\u00fang c\u00f3 th\u1ec3 bao g\u1ed3m:<\/p>\n<ul>\n<li>C\u00e1c m\u00f4-\u0111un logic kinh doanh c\u1ed1t l\u00f5i.<\/li>\n<li>C\u00e1c c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u0169 ho\u1eb7c kho d\u1eef li\u1ec7u.<\/li>\n<li>C\u00e1c t\u00edch h\u1ee3p b\u00ean ngo\u00e0i v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 b\u00ean th\u1ee9 ba.<\/li>\n<li>C\u00e1c l\u1edbp x\u00e1c th\u1ef1c v\u00e0 b\u1ea3o m\u1eadt.<\/li>\n<\/ul>\n<p>V\u1edbi m\u1ed7i b\u1ed9 ph\u00e2n lo\u1ea1i, h\u00e3y t\u1ea1o m\u1ed9t h\u1ed9p ch\u1ee9a trong s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n. H\u1ed9p ch\u1ee9a n\u00e0y \u0111\u1ea1i di\u1ec7n cho \u201ch\u1ed9p \u0111en\u201d c\u1ee7a h\u1ec7 th\u1ed1ng c\u0169 tr\u01b0\u1edbc khi b\u1ea1n m\u1edf n\u00f3 ra.<\/p>\n<h3>B\u01b0\u1edbc 1.2: B\u1ea3n \u0111\u1ed3 c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong<\/h3>\n<p>B\u00ean trong m\u1ed7i h\u1ed9p ch\u1ee9a b\u1ed9 ph\u00e2n lo\u1ea1i, h\u00e3y x\u00e1c \u0111\u1ecbnh c\u00e1c b\u1ed9 ph\u1eadn. \u0110\u00e2y l\u00e0 nh\u1eefng kh\u1ed1i x\u00e2y d\u1ef1ng. H\u00e3y t\u00ecm ki\u1ebfm:<\/p>\n<ul>\n<li>C\u00e1c th\u01b0 vi\u1ec7n ho\u1eb7c khung c\u00f4ng t\u00e1c c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng.<\/li>\n<li>C\u00e1c t\u1ec7p c\u1ea5u h\u00ecnh \u0111i\u1ec1u khi\u1ec3n h\u00e0nh vi.<\/li>\n<li>C\u00e1c thu\u1eadt to\u00e1n c\u1ee5 th\u1ec3 ho\u1eb7c c\u00e1c \u0111\u01a1n v\u1ecb x\u1eed l\u00fd.<\/li>\n<li>C\u00e1c th\u00e0nh ph\u1ea7n qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i.<\/li>\n<\/ul>\n<p>G\u1eafn nh\u00e3n r\u00f5 r\u00e0ng cho t\u1eebng b\u1ed9 ph\u1eadn. Tr\u00e1nh d\u00f9ng t\u00ean chung chung nh\u01b0 \u201cModule A\u201d. S\u1eed d\u1ee5ng t\u00ean m\u00f4 t\u1ea3 ph\u1ea3n \u00e1nh ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang, ch\u1eb3ng h\u1ea1n nh\u01b0 \u201c\u0110\u1ed9ng c\u01a1 x\u1eed l\u00fd thanh to\u00e1n\u201d ho\u1eb7c \u201cTr\u00ecnh qu\u1ea3n l\u00fd phi\u00ean ng\u01b0\u1eddi d\u00f9ng\u201d. S\u1ef1 r\u00f5 r\u00e0ng n\u00e0y l\u00e0 thi\u1ebft y\u1ebfu cho vi\u1ec7c b\u1ea3o tr\u00ec trong t\u01b0\u01a1ng lai.<\/p>\n<h3>B\u01b0\u1edbc 1.3: T\u00e0i li\u1ec7u h\u00f3a c\u00e1c c\u1ed5ng<\/h3>\n<p>C\u00e1c c\u1ed5ng l\u00e0 c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac. V\u1edbi m\u1ed7i b\u1ed9 ph\u1eadn, h\u00e3y x\u00e1c \u0111\u1ecbnh c\u00e1ch n\u00f3 giao ti\u1ebfp. N\u00f3 c\u00f3 c\u00f4ng khai m\u1ed9t API kh\u00f4ng? C\u00f3 \u0111\u1ecdc t\u1eeb m\u1ed9t t\u1ec7p kh\u00f4ng? C\u00f3 g\u1eedi email kh\u00f4ng? Li\u1ec7t k\u00ea c\u00e1c t\u01b0\u01a1ng t\u00e1c n\u00e0y m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng. Trong c\u00e1c h\u1ec7 th\u1ed1ng c\u0169, c\u00e1c c\u1ed5ng th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c t\u00e0i li\u1ec7u h\u00f3a. D\u00e0nh th\u1eddi gian \u0111\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf c\u00e1c giao di\u1ec7n n\u00e0y b\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng ho\u1eb7c nh\u1eadt k\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/p>\n<h2>Giai \u0111o\u1ea1n 2: Ph\u00e2n t\u00edch v\u00e0 ph\u00e2n r\u00e3 \ud83d\udd0d<\/h2>\n<p>Sau khi c\u1ea5u tr\u00fac \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1ea3n \u0111\u1ed3 h\u00f3a, qu\u00e1 tr\u00ecnh ph\u00e2n t\u00edch b\u1eaft \u0111\u1ea7u. \u0110\u00e2y l\u00e0 n\u01a1i b\u1ea1n x\u00e1c \u0111\u1ecbnh n\u1ee3 k\u1ef9 thu\u1eadt v\u00e0 c\u00e1c m\u1eabu c\u1ea5u tr\u00fac ng\u01b0\u1ee3c. M\u1ee5c ti\u00eau l\u00e0 t\u00ecm ra c\u00e1c \u0111i\u1ec3m g\u00e2y c\u1ea3n tr\u1edf khi\u1ebfn vi\u1ec7c hi\u1ec7n \u0111\u1ea1i h\u00f3a b\u1ecb c\u1ea3n tr\u1edf.<\/p>\n<h3>B\u01b0\u1edbc 2.1: Ph\u00e2n t\u00edch k\u1ebft n\u1ed1i<\/h3>\n<p>Xem x\u00e9t c\u00e1c k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn. H\u00e3y t\u00ecm ki\u1ebfm:<\/p>\n<ul>\n<li><strong>Ph\u1ee5 thu\u1ed9c v\u00f2ng:<\/strong>B\u1ed9 ph\u1eadn A g\u1ecdi b\u1ed9 ph\u1eadn B, m\u00e0 b\u1ed9 ph\u1eadn B l\u1ea1i g\u1ecdi l\u1ea1i b\u1ed9 ph\u1eadn A. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra nguy c\u01a1 ch\u1ebft m\u00e1y.<\/li>\n<li><strong>T\u1ef7 l\u1ec7 ph\u00e2n nh\u00e1nh cao:<\/strong>M\u1ed9t b\u1ed9 ph\u1eadn k\u1ebft n\u1ed1i v\u1edbi qu\u00e1 nhi\u1ec1u b\u1ed9 ph\u1eadn kh\u00e1c. \u0110i\u1ec1u n\u00e0y khi\u1ebfn vi\u1ec7c thay \u0111\u1ed5i tr\u1edf n\u00ean r\u1ee7i ro.<\/li>\n<li><strong>K\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c ghi c\u1ee9ng:<\/strong>Nh\u1eefng tham chi\u1ebfu tr\u1ef1c ti\u1ebfp \u0111\u1ebfn c\u00e1c l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u1ee5 th\u1ec3 ho\u1eb7c \u0111\u1ecba ch\u1ec9 IP.<\/li>\n<\/ul>\n<p>Nh\u1ea5n m\u1ea1nh nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y tr\u00ean s\u01a1 \u0111\u1ed3. S\u1eed d\u1ee5ng c\u00e1c d\u1ea5u hi\u1ec7u th\u1ecb gi\u00e1c \u0111\u1ec3 \u0111\u00e1nh d\u1ea5u c\u00e1c k\u1ebft n\u1ed1i c\u00f3 r\u1ee7i ro cao. D\u1eef li\u1ec7u th\u1ecb gi\u00e1c n\u00e0y th\u00fac \u0111\u1ea9y vi\u1ec7c \u01b0u ti\u00ean c\u00e1c n\u1ed7 l\u1ef1c t\u00e1i c\u1ea5u tr\u00fac c\u1ee7a b\u1ea1n.<\/p>\n<h3>B\u01b0\u1edbc 2.2: X\u00e1c \u0111\u1ecbnh giao di\u1ec7n v\u00e0 h\u1ee3p \u0111\u1ed3ng<\/h3>\n<p>C\u00e1c h\u1ec7 th\u1ed1ng c\u0169 th\u01b0\u1eddng ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c h\u1ee3p \u0111\u1ed3ng ng\u1ea7m. CSD gi\u00fap l\u00e0m r\u00f5 nh\u1eefng h\u1ee3p \u0111\u1ed3ng n\u00e0y. X\u00e1c \u0111\u1ecbnh d\u1eef li\u1ec7u n\u00e0o \u0111i v\u00e0o v\u00e0 \u0111i ra t\u1eeb m\u1ed7i c\u1ed5ng. X\u00e1c \u0111\u1ecbnh ki\u1ec3u d\u1eef li\u1ec7u v\u00e0 \u0111\u1ecbnh d\u1ea1ng mong \u0111\u1ee3i. Vi\u1ec7c \u0111\u1ecbnh ngh\u0129a n\u00e0y l\u00e0 thi\u1ebft y\u1ebfu khi l\u00ean k\u1ebf ho\u1ea1ch thay th\u1ebf m\u1ed9t th\u00e0nh ph\u1ea7n c\u0169 b\u1eb1ng m\u1ed9t gi\u1ea3i ph\u00e1p hi\u1ec7n \u0111\u1ea1i.<\/p>\n<p>C\u00e2n nh\u1eafc t\u1ea1o m\u1ed9t b\u1ea3ng \u0111\u1ec3 t\u00f3m t\u1eaft ph\u00e2n t\u00edch giao di\u1ec7n nh\u1eb1m t\u0103ng t\u00ednh r\u00f5 r\u00e0ng:<\/p>\n<table>\n<thead>\n<tr>\n<th>Th\u00e0nh ph\u1ea7n<\/th>\n<th>T\u00ean c\u1ed5ng<\/th>\n<th>D\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o<\/th>\n<th>D\u1eef li\u1ec7u \u0111\u1ea7u ra<\/th>\n<th>M\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>D\u1ecbch v\u1ee5 \u0111\u1eb7t h\u00e0ng<\/td>\n<td>G\u1eedi \u0111\u01a1n h\u00e0ng<\/td>\n<td>D\u1eef li\u1ec7u JSON<\/td>\n<td>M\u00e3 \u0111\u01a1n h\u00e0ng<\/td>\n<td>Cao<\/td>\n<\/tr>\n<tr>\n<td>C\u01a1 s\u1edf d\u1eef li\u1ec7u t\u1ed3n kho<\/td>\n<td>Truy v\u1ea5n t\u1ed3n kho<\/td>\n<td>Danh s\u00e1ch SKU<\/td>\n<td>S\u1ed1 l\u01b0\u1ee3ng t\u1ed3n kho<\/td>\n<td>Trung b\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>Th\u00f4ng b\u00e1o<\/td>\n<td>G\u1eedi c\u1ea3nh b\u00e1o<\/td>\n<td>\u0110\u1ed1i t\u01b0\u1ee3ng s\u1ef1 ki\u1ec7n<\/td>\n<td>Tr\u1ea1ng th\u00e1i th\u00e0nh c\u00f4ng<\/td>\n<td>Th\u1ea5p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>B\u01b0\u1edbc 2.3: X\u00e1c \u0111\u1ecbnh c\u00e1c \u1ee9ng c\u1eed vi\u00ean thay th\u1ebf<\/h3>\n<p>Kh\u00f4ng ph\u1ea3i m\u1ecdi th\u00e0nh ph\u1ea7n n\u00e0o c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c vi\u1ebft l\u1ea1i. M\u1ed9t s\u1ed1 c\u00f3 th\u1ec3 \u1ed5n \u0111\u1ecbnh v\u00e0 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t. S\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nh\u1eefng th\u00e0nh ph\u1ea7n n\u00e0o l\u00e0 \u1ee9ng c\u1eed vi\u00ean cho vi\u1ec7c thay th\u1ebf. H\u00e3y t\u00ecm nh\u1eefng th\u00e0nh ph\u1ea7n c\u00f3:<\/p>\n<ul>\n<li>L\u1ed7i th\u1eddi v\u1ec1 c\u00f4ng ngh\u1ec7.<\/li>\n<li>Kh\u00f3 b\u1ea3o tr\u00ec do thi\u1ebfu t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn.<\/li>\n<li>G\u00e2y ra ph\u1ea7n l\u1edbn c\u00e1c \u0111i\u1ec3m ngh\u1ebdn hi\u1ec7u su\u1ea5t.<\/li>\n<\/ul>\n<p>Ng\u01b0\u1ee3c l\u1ea1i, h\u00e3y x\u00e1c \u0111\u1ecbnh nh\u1eefng th\u00e0nh ph\u1ea7n c\u1ea7n \u0111\u01b0\u1ee3c gi\u1eef l\u1ea1i. N\u1ebfu m\u1ed9t b\u1ed9 x\u1eed l\u00fd t\u00ednh to\u00e1n c\u1ed1t l\u00f5i m\u1ea1nh m\u1ebd nh\u01b0ng kh\u00f4ng c\u00f3 t\u00e0i li\u1ec7u, c\u00f3 th\u1ec3 t\u1ed1t h\u01a1n l\u00e0 bao b\u1ecdc n\u00f3 thay v\u00ec vi\u1ebft l\u1ea1i.<\/p>\n<h2>Giai \u0111o\u1ea1n 3: Thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac m\u1ee5c ti\u00eau \ud83c\udfd7\ufe0f<\/h2>\n<p>Khi \u0111\u00e3 hi\u1ec3u r\u00f5 tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i, b\u1ea1n c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf tr\u1ea1ng th\u00e1i t\u01b0\u01a1ng lai. S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p kh\u00f4ng ch\u1ec9 d\u00f9ng cho ph\u00e2n t\u00edch; n\u00f3 l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft k\u1ebf cho ki\u1ebfn tr\u00fac m\u1edbi.<\/p>\n<h3>B\u01b0\u1edbc 3.1: \u00c1p d\u1ee5ng nguy\u00ean t\u1eafc t\u00e1ch bi\u1ec7t tr\u00e1ch nhi\u1ec7m<\/h3>\n<p>Thi\u1ebft k\u1ebf l\u1ea1i c\u00e1c th\u00e0nh ph\u1ea7n b\u00ean trong \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 t\u00e1ch bi\u1ec7t r\u00f5 r\u00e0ng. Trong s\u01a1 \u0111\u1ed3 c\u0169, b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y logic b\u1ecb tr\u1ed9n l\u1eabn v\u1edbi truy c\u1eadp d\u1eef li\u1ec7u. Trong s\u01a1 \u0111\u1ed3 m\u1ee5c ti\u00eau, h\u00e3y t\u00e1ch ch\u00fang th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n ri\u00eang bi\u1ec7t. V\u00ed d\u1ee5, chia m\u1ed9t th\u00e0nh ph\u1ea7n \u201cD\u1ecbch v\u1ee5\u201d th\u00e0nh th\u00e0nh ph\u1ea7n \u201cLogic\u201d v\u00e0 th\u00e0nh ph\u1ea7n \u201cB\u1ec1n v\u1eefng\u201d.<\/p>\n<h3>B\u01b0\u1edbc 3.2: Chu\u1ea9n h\u00f3a giao ti\u1ebfp<\/h3>\n<p>C\u1eadp nh\u1eadt c\u00e1c b\u1ed9 k\u1ebft n\u1ed1i \u0111\u1ec3 s\u1eed d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7n \u0111\u1ea1i. Thay th\u1ebf k\u1ebft n\u1ed1i socket tr\u1ef1c ti\u1ebfp b\u1eb1ng h\u00e0ng \u0111\u1ee3i tin nh\u1eafn. Thay th\u1ebf I\/O t\u1eadp tin b\u1eb1ng c\u00e1c l\u1eddi g\u1ecdi API. \u0110\u1ea3m b\u1ea3o c\u00e1c b\u1ed9 k\u1ebft n\u1ed1i m\u1edbi \u0111\u01b0\u1ee3c gh\u00e9p n\u1ed1i l\u1ecfng l\u1ebbo. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00f4ng c\u1ea7n bi\u1ebft v\u1ecb tr\u00ed v\u1eadt l\u00fd c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n ch\u00fang k\u1ebft n\u1ed1i.<\/p>\n<h3>B\u01b0\u1edbc 3.3: X\u00e1c \u0111\u1ecbnh c\u00e1c vai tr\u00f2 m\u1edbi<\/h3>\n<p>G\u00e1n c\u00e1c vai tr\u00f2 m\u1edbi cho c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a b\u1ea1n. M\u1ed9t th\u00e0nh ph\u1ea7n t\u1eebng x\u1eed l\u00fd c\u1ea3 \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh \u2018B\u1ed9 x\u1eed l\u00fd \u0111\u1ea7u v\u00e0o\u2019 v\u00e0 \u2018B\u1ed9 x\u1eed l\u00fd \u0111\u1ea7u ra\u2019. S\u1ef1 chuy\u00ean bi\u1ec7t h\u00f3a n\u00e0y gi\u00fap h\u1ec7 th\u1ed1ng tr\u1edf n\u00ean b\u1ec1n b\u1ec9 h\u01a1n. N\u1ebfu m\u1ed9t vai tr\u00f2 th\u1ea5t b\u1ea1i, vai tr\u00f2 c\u00f2n l\u1ea1i v\u1eabn c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<p>Khi l\u1eadp k\u1ebf ho\u1ea1ch cho c\u1ea5u tr\u00fac m\u1ee5c ti\u00eau, h\u00e3y c\u00e2n nh\u1eafc danh s\u00e1ch ki\u1ec3m tra sau:<\/p>\n<ul>\n<li>T\u1ea5t c\u1ea3 c\u00e1c c\u1ed5ng b\u00ean ngo\u00e0i \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng ch\u01b0a?<\/li>\n<li>C\u00e1c th\u00e0nh ph\u1ea7n n\u1ed9i b\u1ed9 c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c tr\u00ean c\u00e1c b\u1ed9 ph\u00e2n lo\u1ea1i kh\u00e1c nhau kh\u00f4ng?<\/li>\n<li>C\u00f3 \u0111\u01b0\u1eddng \u0111i r\u00f5 r\u00e0ng cho lu\u1ed3ng d\u1eef li\u1ec7u kh\u00f4ng?<\/li>\n<li>C\u00f3 \u0111i\u1ec3m l\u1ed7i duy nh\u1ea5t kh\u00f4ng?<\/li>\n<\/ul>\n<h2>Giai \u0111o\u1ea1n 4: Di chuy\u1ec3n v\u00e0 x\u00e1c th\u1ef1c \ud83d\ude80<\/h2>\n<p>S\u1ef1 chuy\u1ec3n \u0111\u1ed5i t\u1eeb s\u01a1 \u0111\u1ed3 c\u0169 sang ki\u1ebfn tr\u00fac m\u1edbi l\u00e0 giai \u0111o\u1ea1n th\u1ef1c thi. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi s\u1ef1 ph\u1ed1i h\u1ee3p c\u1ea9n tr\u1ecdng v\u00e0 x\u00e1c th\u1ef1c \u0111\u1ed1i chi\u1ebfu v\u1edbi c\u00e1c s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c t\u1ea1o ra \u1edf c\u00e1c giai \u0111o\u1ea1n tr\u01b0\u1edbc.<\/p>\n<h3>B\u01b0\u1edbc 4.1: Thay th\u1ebf t\u1eebng b\u01b0\u1edbc<\/h3>\n<p>Kh\u00f4ng n\u00ean th\u1ef1c hi\u1ec7n vi\u1ec7c di chuy\u1ec3n ki\u1ec3u \u2018Big Bang\u2019. S\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p (CSD) \u0111\u1ec3 h\u01b0\u1edbng d\u1eabn c\u00e1c thay \u0111\u1ed5i t\u1eebng b\u01b0\u1edbc. Thay th\u1ebf t\u1eebng th\u00e0nh ph\u1ea7n m\u1ed9t. \u0110\u1ea3m b\u1ea3o th\u00e0nh ph\u1ea7n m\u1edbi tu\u00e2n th\u1ee7 \u0111\u00fang giao di\u1ec7n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong s\u01a1 \u0111\u1ed3 c\u0169. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a h\u1ec7 th\u1ed1ng ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i.<\/p>\n<h3>B\u01b0\u1edbc 4.2: Ki\u1ec3m th\u1eed h\u1ed3i quy<\/h3>\n<p>M\u1ed7i khi thay th\u1ebf m\u1ed9t th\u00e0nh ph\u1ea7n, h\u00e3y ch\u1ea1y to\u00e0n b\u1ed9 b\u1ed9 ki\u1ec3m th\u1eed. S\u01a1 \u0111\u1ed3 gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 ph\u1ea1m vi t\u00e1c \u0111\u1ed9ng. N\u1ebfu b\u1ea1n thay \u0111\u1ed5i m\u1ed9t th\u00e0nh ph\u1ea7n \u1edf trung t\u00e2m s\u01a1 \u0111\u1ed3, h\u00e3y ki\u1ec3m tra t\u1ea5t c\u1ea3 c\u00e1c k\u1ebft n\u1ed1i ph\u00e1t ra t\u1eeb n\u00f3. X\u00e1c minh r\u1eb1ng d\u1eef li\u1ec7u \u0111i qua c\u00e1c k\u1ebft n\u1ed1i v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c t\u00ednh nh\u1ea5t qu\u00e1n.<\/p>\n<h3>B\u01b0\u1edbc 4.3: C\u1eadp nh\u1eadt t\u00e0i li\u1ec7u<\/h3>\n<p>Khi h\u1ec7 th\u1ed1ng thay \u0111\u1ed5i, h\u00e3y c\u1eadp nh\u1eadt c\u00e1c s\u01a1 \u0111\u1ed3. M\u1ed9t s\u01a1 \u0111\u1ed3 t\u0129nh tr\u1edf th\u00e0nh m\u1ed1i nguy. S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p (CSD) n\u00ean \u0111\u01b0\u1ee3c coi l\u00e0 t\u00e0i li\u1ec7u s\u1ed1ng. \u0110\u1ea3m b\u1ea3o phi\u00ean b\u1ea3n s\u01a1 \u0111\u1ed3 kh\u1edbp v\u1edbi m\u00e3 \u0111\u00e3 tri\u1ec3n khai. \u0110i\u1ec1u n\u00e0y ng\u0103n ng\u1eeba c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n t\u01b0\u01a1ng lai d\u1ef1a v\u00e0o th\u00f4ng tin c\u1ea5u tr\u00fac l\u1ed7i th\u1eddi.<\/p>\n<h2>Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn trong m\u00f4 h\u00ecnh h\u00f3a h\u1ec7 th\u1ed1ng c\u0169 \u26a0\ufe0f<\/h2>\n<p>Ngay c\u1ea3 khi c\u00f3 k\u1ebf ho\u1ea1ch v\u1eefng ch\u1eafc, v\u1eabn s\u1ebd n\u1ea3y sinh th\u00e1ch th\u1ee9c. Nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m r\u1ea5t nhi\u1ec1u th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c.<\/p>\n<h3>1. M\u00f4 h\u00ecnh h\u00f3a qu\u00e1 m\u1ee9c<\/h3>\n<p>C\u1ed1 g\u1eafng m\u00f4 h\u00ecnh h\u00f3a t\u1eebng d\u00f2ng m\u00e3 l\u00e0 m\u1ed9t c\u00e1i b\u1eaby. S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 hi\u1ec3u c\u1ea5u tr\u00fac \u1edf c\u1ea5p \u0111\u1ed9 cao. T\u1eadp trung v\u00e0o c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh v\u00e0 t\u01b0\u01a1ng t\u00e1c gi\u1eefa ch\u00fang. N\u1ebfu m\u1ed9t th\u00e0nh ph\u1ea7n qu\u00e1 nh\u1ecf \u0111\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ki\u1ebfn tr\u00fac, th\u00ec n\u00f3 kh\u00f4ng c\u1ea7n ph\u1ea3i l\u00e0 m\u1ed9t n\u00fat ri\u00eang bi\u1ec7t trong s\u01a1 \u0111\u1ed3.<\/p>\n<h3>2. B\u1ecf qua c\u00e1c y\u00eau c\u1ea7u phi ch\u1ee9c n\u0103ng<\/h3>\n<p>C\u00e1c s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac th\u01b0\u1eddng t\u1eadp trung v\u00e0o ch\u1ee9c n\u0103ng. Tuy nhi\u00ean, vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i h\u1ec7 th\u1ed1ng c\u0169 c\u0169ng c\u1ea7n xem x\u00e9t hi\u1ec7u su\u1ea5t v\u00e0 b\u1ea3o m\u1eadt. Khi v\u1ebd c\u00e1c k\u1ebft n\u1ed1i, h\u00e3y ghi ch\u00fa xem ch\u00fang c\u00f3 g\u00e2y ra \u0111\u1ed9 tr\u1ec5 hay kh\u00f4ng. Khi \u0111\u1ecbnh ngh\u0129a c\u00e1c c\u1ed5ng, h\u00e3y ghi ch\u00fa xem ch\u00fang c\u00f3 y\u00eau c\u1ea7u m\u00e3 h\u00f3a hay kh\u00f4ng. Nh\u1eefng thu\u1ed9c t\u00ednh n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c ghi ch\u00fa r\u00f5 tr\u00ean s\u01a1 \u0111\u1ed3.<\/p>\n<h3>3. Thi\u1ebfu s\u1ef1 \u0111\u1ed3ng thu\u1eadn t\u1eeb c\u00e1c b\u00ean li\u00ean quan<\/h3>\n<p>C\u00e1c \u0111\u1ed9i k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng s\u01a1 \u0111\u1ed3, nh\u01b0ng c\u00e1c nh\u00e0 l\u00e3nh \u0111\u1ea1o kinh doanh c\u1ea7n hi\u1ec3u \u0111\u01b0\u1ee3c n\u00f3. N\u1ebfu s\u01a1 \u0111\u1ed3 kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi quy tr\u00ecnh kinh doanh, vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i s\u1ebd thi\u1ebfu s\u1ef1 h\u1ed7 tr\u1ee3. \u0110\u1ea3m b\u1ea3o t\u1eeb ng\u1eef \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u01a1 \u0111\u1ed3 ph\u00f9 h\u1ee3p v\u1edbi t\u1eeb v\u1ef1ng kinh doanh.<\/p>\n<h2>C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t cho ki\u1ebfn tr\u00fac b\u1ec1n v\u1eefng \ud83c\udf31<\/h2>\n<p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i k\u00e9o d\u00e0i, h\u00e3y \u00e1p d\u1ee5ng c\u00e1c th\u1ef1c h\u00e0nh h\u1ed7 tr\u1ee3 s\u1ee9c kh\u1ecfe l\u00e2u d\u00e0i.<\/p>\n<ul>\n<li><strong>Ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n s\u01a1 \u0111\u1ed3:<\/strong>Xem s\u01a1 \u0111\u1ed3 nh\u01b0 m\u00e3 ngu\u1ed3n. L\u01b0u tr\u1eef ch\u00fang trong c\u00f9ng m\u1ed9t kho l\u01b0u tr\u1eef v\u1edbi \u1ee9ng d\u1ee5ng. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o ch\u00fang \u0111\u01b0\u1ee3c xem x\u00e9t v\u00e0 c\u1eadp nh\u1eadt trong su\u1ed1t v\u00f2ng \u0111\u1eddi ph\u00e1t tri\u1ec3n.<\/li>\n<li><strong>T\u1ef1 \u0111\u1ed9ng h\u00f3a sinh ra:<\/strong> \u1ede nh\u1eefng n\u01a1i c\u00f3 th\u1ec3, h\u00e3y t\u1ea1o s\u01a1 \u0111\u1ed3 t\u1eeb m\u00e3 ngu\u1ed3n. \u0110i\u1ec1u n\u00e0y gi\u00fap bi\u1ec3u di\u1ec5n tr\u1ef1c quan lu\u00f4n \u0111\u1ed3ng b\u1ed9 v\u1edbi tri\u1ec3n khai th\u1ef1c t\u1ebf.<\/li>\n<li><strong>Ki\u1ec3m to\u00e1n \u0111\u1ecbnh k\u1ef3:<\/strong> L\u00ean l\u1ecbch ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 v\u1ec1 c\u1ea5u tr\u00fac. Khi h\u1ec7 th\u1ed1ng ph\u00e1t tri\u1ec3n, c\u1ea5u tr\u00fac c\u00f3 th\u1ec3 b\u1ecb l\u1ec7ch. Ki\u1ec3m to\u00e1n \u0111\u1ecbnh k\u1ef3 s\u1ebd ph\u00e1t hi\u1ec7n s\u1ef1 l\u1ec7ch n\u00e0y s\u1edbm.<\/li>\n<li><strong>M\u00f4 h\u00ecnh h\u00f3a h\u1ee3p t\u00e1c:<\/strong> \u0110\u1eebng \u0111\u1ec3 m\u1ed9t ki\u1ebfn tr\u00fac s\u01b0 v\u1ebd to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng. H\u00e3y tham gia c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n hi\u1ec3u r\u00f5 c\u00e1c ph\u1ea7n c\u1ee5 th\u1ec3. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 quy\u1ec1n s\u1edf h\u1eefu chung.<\/li>\n<\/ul>\n<h2>K\u1ebft lu\u1eadn v\u1ec1 s\u1ef1 r\u00f5 r\u00e0ng v\u1ec1 c\u1ea5u tr\u00fac \ud83d\udcdd<\/h2>\n<p>Chuy\u1ec3n \u0111\u1ed5i c\u00e1c h\u1ec7 th\u1ed1ng c\u0169 l\u00e0 m\u1ed9t h\u00e0nh tr\u00ecnh ph\u1ee9c t\u1ea1p \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c v\u00e0 t\u1ea7m nh\u00ecn xa. S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p cung c\u1ea5p c\u00e1i nh\u00ecn c\u1ea7n thi\u1ebft \u0111\u1ec3 nh\u00ecn th\u1ea5y b\u00ean trong h\u1ed9p \u0111en. N\u00f3 bi\u1ebfn m\u00e3 ngu\u1ed3n tr\u1eebu t\u01b0\u1ee3ng th\u00e0nh m\u1ed9t b\u1ea3n \u0111\u1ed3 c\u1ee5 th\u1ec3 v\u1ec1 c\u00e1c th\u00e0nh ph\u1ea7n, vai tr\u00f2 v\u00e0 m\u1ed1i li\u00ean k\u1ebft.<\/p>\n<p>B\u1eb1ng c\u00e1ch tu\u00e2n theo l\u1ed9 tr\u00ecnh c\u00f3 c\u1ea5u tr\u00fac, c\u00e1c t\u1ed5 ch\u1ee9c c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro v\u00e0 t\u0103ng s\u1ef1 t\u1ef1 tin trong qu\u00e1 tr\u00ecnh di d\u1eddi. Quy tr\u00ecnh di chuy\u1ec3n t\u1eeb kh\u00e1m ph\u00e1 \u0111\u1ebfn ph\u00e2n t\u00edch, r\u1ed3i \u0111\u1ebfn thi\u1ebft k\u1ebf v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 x\u00e1c th\u1ef1c. Trong su\u1ed1t h\u00e0nh tr\u00ecnh n\u00e0y, s\u01a1 \u0111\u1ed3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 ngu\u1ed3n th\u00f4ng tin duy nh\u1ea5t \u0111\u00e1ng tin c\u1eady.<\/p>\n<p>H\u00e3y nh\u1edb r\u1eb1ng m\u1ee5c ti\u00eau kh\u00f4ng ch\u1ec9 l\u00e0 thay \u0111\u1ed5i c\u00f4ng ngh\u1ec7, m\u00e0 c\u00f2n c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec v\u00e0 t\u00ednh linh ho\u1ea1t. M\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac t\u1ed1t gi\u00fap c\u00e1c \u0111\u1ed9i ng\u0169 ph\u1ea3n \u1ee9ng nhanh h\u01a1n v\u1edbi nh\u1eefng thay \u0111\u1ed5i tr\u00ean th\u1ecb tr\u01b0\u1eddng. N\u1ed7 l\u1ef1c \u0111\u1ea7u t\u01b0 v\u00e0o vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a c\u1ea5u tr\u00fac s\u1ebd mang l\u1ea1i l\u1ee3i \u00edch l\u1edbn v\u1ec1 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 t\u1ed1c \u0111\u1ed9 ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai.<\/p>\n<p>B\u1eaft \u0111\u1ea7u t\u1eeb tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i. B\u1ea3n \u0111\u1ed3 n\u1ed9i b\u1ed9. X\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m ngh\u1ebdn. Thi\u1ebft k\u1ebf t\u01b0\u01a1ng lai. Th\u1ef1c hi\u1ec7n c\u1ea9n tr\u1ecdng. Con \u0111\u01b0\u1eddng n\u00e0y d\u1eabn \u0111\u1ebfn m\u1ed9t ki\u1ebfn tr\u00fac b\u1ec1n v\u1eefng, c\u00f3 kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 th\u1ebf h\u1ec7 ti\u1ebfp theo c\u00e1c nhu c\u1ea7u kinh doanh.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hi\u1ec7n \u0111\u1ea1i h\u00f3a c\u00e1c n\u1ec1n t\u1ea3ng c\u00f4ng ngh\u1ec7 hi\u1ebfm khi l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 \u0111\u01a1n gi\u1ea3n. Khi c\u00e1c t\u1ed5 ch\u1ee9c ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng l\u1ed7i th\u1eddi, \u0111\u1ed9 ph\u1ee9c t\u1ea1p th\u01b0\u1eddng kh\u00f4ng ch\u1ec9 n\u1eb1m \u1edf m\u00e3 ngu\u1ed3n m\u00e0 c\u00f2n \u1edf nh\u1eefng m\u1ed1i quan h\u1ec7 \u1ea9n gi\u1ea5u gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n. C\u00e1c h\u1ec7 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1185,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[47,51],"class_list":["post-1184","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-unified-modeling-modeling","tag-academic","tag-composite-structure-diagram"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Transforming Legacy Systems: Composite Structure Diagram Roadmap \ud83d\uddfa\ufe0f<\/title>\n<meta name=\"description\" content=\"A strategic guide on using Composite Structure Diagrams for legacy system transformation. 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