{"id":851,"date":"2026-03-24T20:47:50","date_gmt":"2026-03-24T20:47:50","guid":{"rendered":"https:\/\/www.visualize-ai.com\/vi\/state-diagram-patterns-software-engineering-case-studies\/"},"modified":"2026-03-24T20:47:50","modified_gmt":"2026-03-24T20:47:50","slug":"state-diagram-patterns-software-engineering-case-studies","status":"publish","type":"post","link":"https:\/\/www.visualize-ai.com\/vi\/state-diagram-patterns-software-engineering-case-studies\/","title":{"rendered":"C\u00e1c M\u1eabu S\u01a1 \u0111\u1ed3 Tr\u1ea1ng th\u00e1i: C\u00e1c Tr\u01b0\u1eddng H\u1ee3p Th\u1ef1c T\u1ebf trong D\u1ef1 \u00c1n K\u1ef9 Thu\u1eadt Ph\u1ea7n M\u1ec1m"},"content":{"rendered":"<p>Trong b\u1ed1i c\u1ea3nh ph\u1ee9c t\u1ea1p c\u1ee7a ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m, vi\u1ec7c qu\u1ea3n l\u00fd v\u00f2ng \u0111\u1eddi c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng ho\u1eb7c m\u1ed9t quy tr\u00ecnh h\u1ec7 th\u1ed1ng \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c. S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i, cung c\u1ea5p m\u1ed9t c\u00e1ch c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ec3 tr\u1ef1c quan h\u00f3a h\u00e0nh vi \u0111\u1ed9ng c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng. Ch\u00fang m\u00f4 t\u1ea3 c\u00e1ch h\u1ec7 th\u1ed1ng ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c s\u1ef1 ki\u1ec7n kh\u00e1c nhau, chuy\u1ec3n ti\u1ebfp gi\u1eefa c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau v\u00e0 c\u00e1c h\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t trong qu\u00e1 tr\u00ecnh di chuy\u1ec3n n\u00e0y. \u0110\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 ph\u1ea7n m\u1ec1m, vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c m\u1eabu n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 v\u1ebd c\u00e1c h\u00ecnh h\u1ed9p; \u0111\u00f3 l\u00e0 vi\u1ec7c t\u1ea1o ra c\u00e1c h\u1ec7 th\u1ed1ng v\u1eefng ch\u1eafc, d\u1ec5 b\u1ea3o tr\u00ec v\u00e0 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c. \ud83d\udee0\ufe0f<\/p>\n<p>H\u01b0\u1edbng d\u1eabn n\u00e0y kh\u00e1m ph\u00e1 c\u00e1c m\u1eabu s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i th\u00f4ng qua ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt chi ti\u1ebft v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p th\u1ef1c t\u1ebf. Ch\u00fang ta s\u1ebd xem x\u00e9t c\u00e1ch m\u00f4 h\u00ecnh h\u00f3a c\u00e1c h\u00e0nh vi ph\u1ee9c t\u1ea1p m\u00e0 kh\u00f4ng l\u00e0m gia t\u0103ng \u0111\u1ed9 ph\u1ee9c t\u1ea1p kh\u00f4ng c\u1ea7n thi\u1ebft. Nh\u1ea5n m\u1ea1nh v\u00e0o \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n, b\u00e0i vi\u1ebft n\u00e0y nh\u1eb1m cung c\u1ea5p m\u1ed9t khung r\u00f5 r\u00e0ng \u0111\u1ec3 tri\u1ec3n khai m\u00e1y tr\u1ea1ng th\u00e1i trong c\u00e1c d\u1ef1 \u00e1n k\u1ef9 thu\u1eadt c\u1ee7a b\u1ea1n.<\/p>\n<h2>Hi\u1ec3u Bi\u1ebft V\u1ec1 M\u00e1y Tr\u1ea1ng Th\u00e1i Trong Thi\u1ebft K\u1ebf H\u1ec7 Th\u1ed1ng \ud83e\udde0<\/h2>\n<p>M\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thi\u1ebft k\u1ebf c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh m\u00e1y t\u00ednh v\u00e0 m\u1ea1ch logic s\u1ed1. N\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh h\u00e0nh vi g\u1ed3m m\u1ed9t s\u1ed1 h\u1eefu h\u1ea1n c\u00e1c tr\u1ea1ng th\u00e1i, c\u00e1c chuy\u1ec3n ti\u1ebfp gi\u1eefa c\u00e1c tr\u1ea1ng th\u00e1i \u0111\u00f3 v\u00e0 c\u00e1c h\u00e0nh \u0111\u1ed9ng. Khi m\u1ed9t s\u1ef1 ki\u1ec7n x\u1ea3y ra, h\u1ec7 th\u1ed1ng s\u1ebd chuy\u1ec3n t\u1eeb tr\u1ea1ng th\u00e1i n\u00e0y sang tr\u1ea1ng th\u00e1i kh\u00e1c d\u1ef1a tr\u00ean c\u00e1c quy t\u1eafc c\u1ee5 th\u1ec3.<\/p>\n<h3>C\u00e1c Th\u00e0nh Ph\u1ea7n Ch\u00ednh c\u1ee7a S\u01a1 \u0110\u1ed3 Tr\u1ea1ng Th\u00e1i<\/h3>\n<ul>\n<li><strong>Tr\u1ea1ng th\u00e1i:<\/strong> M\u1ed9t \u0111i\u1ec1u ki\u1ec7n trong \u0111\u00f3 h\u1ec7 th\u1ed1ng \u0111\u00e1p \u1ee9ng m\u1ed9t ti\u00eau ch\u00ed c\u1ee5 th\u1ec3 ho\u1eb7c \u0111ang th\u1ef1c hi\u1ec7n m\u1ed9t ho\u1ea1t \u0111\u1ed9ng c\u1ee5 th\u1ec3. C\u00e1c v\u00ed d\u1ee5 bao g\u1ed3m <em>Ng\u01b0ng ho\u1ea1t \u0111\u1ed9ng<\/em>, <em>\u0110ang x\u1eed l\u00fd<\/em>, ho\u1eb7c <em>\u0110\u00e3 ho\u00e0n th\u00e0nh<\/em>.<\/li>\n<li><strong>Chuy\u1ec3n ti\u1ebfp:<\/strong> S\u1ef1 di chuy\u1ec3n t\u1eeb m\u1ed9t tr\u1ea1ng th\u00e1i sang tr\u1ea1ng th\u00e1i kh\u00e1c. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi m\u1ed9t s\u1ef1 ki\u1ec7n.<\/li>\n<li><strong>S\u1ef1 ki\u1ec7n:<\/strong> M\u1ed9t t\u00edn hi\u1ec7u ho\u1eb7c s\u1ef1 ki\u1ec7n k\u00edch ho\u1ea1t m\u1ed9t chuy\u1ec3n ti\u1ebfp. N\u00f3 c\u00f3 th\u1ec3 l\u00e0 h\u00e0nh \u0111\u1ed9ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, h\u1ebft h\u1ea1n b\u1ed9 \u0111\u1ebfm th\u1eddi gian ho\u1eb7c m\u1ed9t t\u00edn hi\u1ec7u h\u1ec7 th\u1ed1ng.<\/li>\n<li><strong>H\u00e0nh \u0111\u1ed9ng:<\/strong> H\u00e0nh vi \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n khi nh\u1eadp v\u00e0o, r\u1eddi kh\u1ecfi ho\u1eb7c x\u1eed l\u00fd m\u1ed9t s\u1ef1 ki\u1ec7n b\u00ean trong m\u1ed9t tr\u1ea1ng th\u00e1i.<\/li>\n<li><strong>\u0110i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7:<\/strong> M\u1ed9t bi\u1ec3u th\u1ee9c logic ph\u1ea3i \u0111\u00fang \u0111\u1ec3 chuy\u1ec3n ti\u1ebfp x\u1ea3y ra.<\/li>\n<\/ul>\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y gi\u00fap c\u00e1c k\u1ef9 s\u01b0 t\u00e1ch bi\u1ec7t logic kh\u1ecfi chi ti\u1ebft tri\u1ec3n khai. Thay v\u00ec c\u00e1c c\u00e2u l\u1ec7nh \u0111i\u1ec1u ki\u1ec7n r\u1ea3i r\u00e1c trong to\u00e0n b\u1ed9 m\u00e3 ngu\u1ed3n, logic \u0111\u01b0\u1ee3c t\u1eadp trung trong m\u00f4 h\u00ecnh tr\u1ea1ng th\u00e1i. \u0110i\u1ec1u n\u00e0y gi\u1ea3m t\u1ea3i nh\u1eadn th\u1ee9c v\u00e0 l\u00e0m cho vi\u1ec7c g\u1ee1 l\u1ed7i tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n \u0111\u00e1ng k\u1ec3.<\/p>\n<h2>C\u00e1c M\u1eabu M\u00e1y Tr\u1ea1ng Th\u00e1i Ch\u00ednh \ud83d\udee0\ufe0f<\/h2>\n<p>C\u00f3 m\u1ed9t s\u1ed1 m\u1eabu c\u01a1 b\u1ea3n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00f4 h\u00ecnh h\u00f3a tr\u1ea1ng th\u00e1i. Vi\u1ec7c ch\u1ecdn m\u1eabu ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a logic kinh doanh v\u00e0 c\u00e1c y\u00eau c\u1ea7u c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<h3>1. M\u1eabu Tr\u1ea1ng th\u00e1i \u0110\u01a1n gi\u1ea3n<\/h3>\n<p>\u0110\u00e2y l\u00e0 d\u1ea1ng c\u01a1 b\u1ea3n nh\u1ea5t, trong \u0111\u00f3 m\u1ed9t tr\u1ea1ng th\u00e1i duy nh\u1ea5t \u0111\u1ea1i di\u1ec7n cho m\u1ed9t \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3. C\u00e1c chuy\u1ec3n ti\u1ebfp x\u1ea3y ra tr\u1ef1c ti\u1ebfp gi\u1eefa c\u00e1c tr\u1ea1ng th\u00e1i n\u00e0y.<\/p>\n<ul>\n<li><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong> C\u00e1c c\u00f4ng t\u1eafc b\u1eadt\/t\u1eaft c\u01a1 b\u1ea3n, c\u01a1 ch\u1ebf b\u1eadt\/t\u1eaft.<\/li>\n<li><strong>L\u1ee3i \u00edch:<\/strong> \u0110\u1ed9 ph\u1ee9c t\u1ea1p t\u1ed1i thi\u1ec3u, d\u1ec5 hi\u1ec3u v\u00e0 ki\u1ec3m th\u1eed.<\/li>\n<li><strong>H\u1ea1n ch\u1ebf:<\/strong>Kh\u00f4ng th\u1ec3 bi\u1ec3u di\u1ec5n c\u00e1c ho\u1ea1t \u0111\u1ed9ng con ho\u1eb7c c\u00e1c c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p ph\u1ee9c t\u1ea1p.<\/li>\n<\/ul>\n<h3>2. M\u1eabu tr\u1ea1ng th\u00e1i ph\u00e2n c\u1ea5p<\/h3>\n<p>C\u0169ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 tr\u1ea1ng th\u00e1i l\u1ed3ng gh\u00e9p, m\u1eabu n\u00e0y cho ph\u00e9p m\u1ed9t tr\u1ea1ng th\u00e1i ch\u1ee9a c\u00e1c tr\u1ea1ng th\u00e1i kh\u00e1c. \u0110i\u1ec1u n\u00e0y h\u1eefu \u00edch khi m\u1ed9t tr\u1ea1ng th\u00e1i c\u1ea5p cao c\u00f3 c\u00e1c h\u00e0nh vi con c\u1ee5 th\u1ec3 c\u1ea7n \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd.<\/p>\n<ul>\n<li><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong> M\u1ed9t <em>H\u1ec7 th\u1ed1ng<\/em> tr\u1ea1ng th\u00e1i ch\u1ee9a c\u00e1c tr\u1ea1ng th\u00e1i con nh\u01b0 <em>Tr\u1ef1c tuy\u1ebfn<\/em> v\u00e0 <em>Ng\u1eaft k\u1ebft n\u1ed1i<\/em>.<\/li>\n<li><strong>L\u1ee3i \u00edch:<\/strong>Gi\u1ea3m s\u1ef1 l\u1ed9n x\u1ed9n b\u1eb1ng c\u00e1ch nh\u00f3m c\u00e1c tr\u1ea1ng th\u00e1i li\u00ean quan.<\/li>\n<li><strong>H\u1ea1n ch\u1ebf:<\/strong>Y\u00eau c\u1ea7u qu\u1ea3n l\u00fd c\u1ea9n th\u1eadn c\u00e1c \u0111i\u1ec3m v\u00e0o v\u00e0 ra \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n<h3>3. M\u1eabu tr\u1ea1ng th\u00e1i \u0111\u1ed3ng th\u1eddi<\/h3>\n<p>M\u1eabu n\u00e0y cho ph\u00e9p m\u1ed9t h\u1ec7 th\u1ed1ng t\u1ed3n t\u1ea1i \u1edf nhi\u1ec1u tr\u1ea1ng th\u00e1i c\u00f9ng l\u00fac. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng c\u00e1c v\u00f9ng vu\u00f4ng g\u00f3c b\u00ean trong m\u1ed9t tr\u1ea1ng th\u00e1i t\u1ed5ng h\u1ee3p duy nh\u1ea5t.<\/p>\n<ul>\n<li><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong> M\u1ed9t thi\u1ebft b\u1ecb \u0111ang <em>\u0110ang s\u1ea1c<\/em> trong khi \u0111\u1ed3ng th\u1eddi \u0111ang <em>K\u1ebft n\u1ed1i<\/em> v\u1edbi m\u1ed9t m\u1ea1ng l\u01b0\u1edbi.<\/li>\n<li><strong>L\u1ee3i \u00edch:<\/strong>M\u00f4 h\u00ecnh h\u00f3a c\u00e1c qu\u00e1 tr\u00ecnh \u0111\u1ed9c l\u1eadp ch\u1ea1y song song.<\/li>\n<li><strong>H\u1ea1n ch\u1ebf:<\/strong>T\u0103ng \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a logic chuy\u1ec3n tr\u1ea1ng th\u00e1i do c\u00e1c t\u1ed5 h\u1ee3p tr\u1ea1ng th\u00e1i ti\u1ec1m n\u0103ng.<\/li>\n<\/ul>\n<h3>4. M\u1eabu tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed<\/h3>\n<p>M\u1ed9t tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed ghi nh\u1edb tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng cu\u1ed1i c\u00f9ng b\u00ean trong m\u1ed9t tr\u1ea1ng th\u00e1i t\u1ed5ng h\u1ee3p. Khi h\u1ec7 th\u1ed1ng quay tr\u1edf l\u1ea1i tr\u1ea1ng th\u00e1i t\u1ed5ng h\u1ee3p, n\u00f3 c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c t\u1eeb \u0111i\u1ec3m m\u00e0 n\u00f3 \u0111\u00e3 d\u1eebng l\u1ea1i.<\/p>\n<ul>\n<li><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong>C\u00e1c h\u01b0\u1edbng d\u1eabn ho\u1eb7c bi\u1ec3u m\u1eabu nhi\u1ec1u b\u01b0\u1edbc n\u01a1i ng\u01b0\u1eddi d\u00f9ng di chuy\u1ec3n qua l\u1ea1i.<\/li>\n<li><strong>L\u1ee3i \u00edch:<\/strong>Gi\u1eef nguy\u00ean ng\u1eef c\u1ea3nh v\u00e0 c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<li><strong>H\u1ea1n ch\u1ebf:<\/strong>Y\u00eau c\u1ea7u c\u01a1 ch\u1ebf l\u01b0u tr\u1eef \u0111\u1ec3 duy tr\u00ec l\u1ecbch s\u1eed tr\u1ea1ng th\u00e1i.<\/li>\n<\/ul>\n<h2>Ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt v\u1ec1 c\u00e1c chuy\u1ec3n ti\u1ebfp \ud83d\udd17<\/h2>\n<p>C\u00e1c chuy\u1ec3n ti\u1ebfp l\u00e0 tr\u00e1i tim c\u1ee7a logic m\u00e1y tr\u1ea1ng th\u00e1i. Ch\u00fang \u0111\u1ecbnh ngh\u0129a c\u00e1c quy t\u1eafc di chuy\u1ec3n. Vi\u1ec7c \u0111\u1ecbnh ngh\u0129a chuy\u1ec3n ti\u1ebfp m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c ng\u0103n h\u1ec7 th\u1ed1ng r\u01a1i v\u00e0o c\u00e1c tr\u1ea1ng th\u00e1i kh\u00f4ng h\u1ee3p l\u1ec7.<\/p>\n<h3>\u0110i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7<\/h3>\n<p>M\u1ed9t \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 l\u00e0 m\u1ed9t r\u00e0ng bu\u1ed9c ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng tr\u01b0\u1edbc khi m\u1ed9t chuy\u1ec3n ti\u1ebfp tr\u1edf n\u00ean h\u1ee3p l\u1ec7. N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t b\u1ed9 l\u1ecdc cho c\u00e1c s\u1ef1 ki\u1ec7n.<\/p>\n<ul>\n<li><strong>V\u00ed d\u1ee5:<\/strong> M\u1ed9t chuy\u1ec3n ti\u1ebfp t\u1eeb <em>\u0110ang x\u1eed l\u00fd<\/em> sang <em>Ho\u00e0n th\u00e0nh<\/em> ch\u1ec9 x\u1ea3y ra n\u1ebfu <code>tr\u1ea1ng th\u00e1iThanhTo\u00e1n == '\u0111\u00e3 x\u00e1c minh'<\/code>.<\/li>\n<li><strong>T\u1ea1i sao \u0111i\u1ec1u n\u00e0y quan tr\u1ecdng:<\/strong> N\u00f3 ng\u0103n ch\u1eb7n c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ea1nh tranh v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh ti\u1ebfp.<\/li>\n<\/ul>\n<h3>H\u00e0nh \u0111\u1ed9ng v\u00e0o, ra v\u00e0 th\u1ef1c hi\u1ec7n<\/h3>\n<p>C\u00e1c h\u00e0nh \u0111\u1ed9ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t t\u1ea1i c\u00e1c \u0111i\u1ec3m c\u1ee5 th\u1ec3 trong v\u00f2ng \u0111\u1eddi tr\u1ea1ng th\u00e1i.<\/p>\n<ul>\n<li><strong>H\u00e0nh \u0111\u1ed9ng v\u00e0o:<\/strong> \u0110\u01b0\u1ee3c th\u1ef1c thi ngay l\u1eadp t\u1ee9c khi v\u00e0o m\u1ed9t tr\u1ea1ng th\u00e1i. \u0110\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 kh\u1edfi t\u1ea1o.<\/li>\n<li><strong>H\u00e0nh \u0111\u1ed9ng ra:<\/strong> \u0110\u01b0\u1ee3c th\u1ef1c thi ngay l\u1eadp t\u1ee9c khi r\u1eddi kh\u1ecfi m\u1ed9t tr\u1ea1ng th\u00e1i. \u0110\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 d\u1ecdn d\u1eb9p ho\u1eb7c l\u01b0u d\u1eef li\u1ec7u.<\/li>\n<li><strong>H\u00e0nh \u0111\u1ed9ng th\u1ef1c hi\u1ec7n:<\/strong> \u0110\u01b0\u1ee3c th\u1ef1c thi trong khi h\u1ec7 th\u1ed1ng v\u1eabn \u1edf trong m\u1ed9t tr\u1ea1ng th\u00e1i. \u0110\u01b0\u1ee3c d\u00f9ng cho c\u00e1c qu\u00e1 tr\u00ecnh k\u00e9o d\u00e0i ho\u1eb7c gi\u00e1m s\u00e1t.<\/li>\n<\/ul>\n<h2>Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p 1: Quy tr\u00ecnh qu\u1ea3n l\u00fd \u0111\u01a1n h\u00e0ng \ud83d\udce6<\/h2>\n<p>M\u1ed9t trong nh\u1eefng \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i l\u00e0 trong c\u00e1c h\u1ec7 th\u1ed1ng th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed v\u00e0 x\u1eed l\u00fd \u0111\u01a1n h\u00e0ng. Chu k\u1ef3 s\u1ed1ng c\u1ee7a m\u1ed9t \u0111\u01a1n h\u00e0ng bao g\u1ed3m nhi\u1ec1u giai \u0111o\u1ea1n, m\u1ed7i giai \u0111o\u1ea1n \u0111\u1ec1u c\u00f3 c\u00e1c r\u00e0ng bu\u1ed9c c\u1ee5 th\u1ec3.<\/p>\n<h3>T\u1ed5ng quan t\u00ecnh hu\u1ed1ng<\/h3>\n<p>M\u1ed9t \u0111\u01a1n h\u00e0ng di chuy\u1ec3n qua m\u1ed9t lu\u1ed3ng t\u1eeb l\u00fac t\u1ea1o \u0111\u1ebfn khi giao h\u00e0ng. \u1ede b\u1ea5t k\u1ef3 th\u1eddi \u0111i\u1ec3m n\u00e0o, h\u1ec7 th\u1ed1ng ph\u1ea3i x\u1eed l\u00fd c\u00e1c ngo\u1ea1i l\u1ec7, h\u1ee7y \u0111\u01a1n v\u00e0 c\u1eadp nh\u1eadt tr\u1ea1ng th\u00e1i.<\/p>\n<h3>C\u1ea5u tr\u00fac m\u00f4 h\u00ecnh tr\u1ea1ng th\u00e1i<\/h3>\n<ul>\n<li><strong>Tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u:<\/strong> \u0110\u01a1n h\u00e0ng \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea1o<\/li>\n<li><strong>C\u00e1c tr\u1ea1ng th\u00e1i ch\u00ednh:<\/strong>\n<ul>\n<li><em>Ch\u1edd thanh to\u00e1n:<\/em> \u0110ang ch\u1edd x\u00e1c nh\u1eadn t\u1eeb ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<li><em>\u0110ang x\u1eed l\u00fd:<\/em> \u0110ang ph\u00e2n b\u1ed5 kho h\u00e0ng.<\/li>\n<li><em>\u0110\u00e3 g\u1eedi:<\/em>H\u00e0ng \u0111ang trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n.<\/li>\n<li><em>\u0110\u00e3 giao:<\/em>H\u00e0ng \u0111\u00e3 \u0111\u01b0\u1ee3c kh\u00e1ch h\u00e0ng nh\u1eadn.<\/li>\n<li><em>\u0110\u00e3 h\u1ee7y:<\/em>\u0110\u01a1n h\u00e0ng b\u1ecb h\u1ee7y b\u1edfi ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tr\u1ea1ng th\u00e1i cu\u1ed1i c\u00f9ng:<\/strong>\u0110\u00e3 \u0111\u00f3ng<\/li>\n<\/ul>\n<h3>Logic chuy\u1ec3n tr\u1ea1ng th\u00e1i<\/h3>\n<p>C\u00e1c chuy\u1ec3n tr\u1ea1ng th\u00e1i \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a nghi\u00eam ng\u1eb7t \u0111\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c lu\u1ed3ng l\u00e0m vi\u1ec7c kh\u00f4ng h\u1ee3p l\u1ec7.<\/p>\n<ul>\n<li><em>Ch\u1edd thanh to\u00e1n<\/em> c\u00f3 th\u1ec3 chuy\u1ec3n sang <em>\u0110ang x\u1eed l\u00fd<\/em> sau khi thanh to\u00e1n th\u00e0nh c\u00f4ng.<\/li>\n<li><em>Ch\u1edd thanh to\u00e1n<\/em> c\u00f3 th\u1ec3 chuy\u1ec3n sang <em>\u0110\u00e3 h\u1ee7y<\/em> n\u1ebfu ng\u01b0\u1eddi d\u00f9ng y\u00eau c\u1ea7u trong th\u1eddi gian gi\u1edbi h\u1ea1n.<\/li>\n<li><em>\u0110ang x\u1eed l\u00fd<\/em> c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i sang <em>\u0110\u00e3 h\u1ee7y<\/em> ch\u1ec9 khi h\u00e0ng t\u1ed3n kho ch\u01b0a \u0111\u01b0\u1ee3c giao \u0111i.<\/li>\n<li><em>\u0110\u00e3 giao<\/em> kh\u00f4ng th\u1ec3 chuy\u1ec3n \u0111\u1ed5i tr\u1edf l\u1ea1i th\u00e0nh <em>\u0110ang x\u1eed l\u00fd<\/em> m\u00e0 kh\u00f4ng c\u00f3 m\u1ed9t s\u1ef1 ki\u1ec7n ho\u00e0n tr\u1ea3 c\u1ee5 th\u1ec3.<\/li>\n<\/ul>\n<h3>L\u1ee3i \u00edch c\u1ee7a M\u00f4 h\u00ecnh Tr\u1ea1ng th\u00e1i \u1edf \u0111\u00e2y<\/h3>\n<ul>\n<li><strong>T\u00ednh minh b\u1ea1ch:<\/strong>C\u00e1c b\u00ean li\u00ean quan c\u00f3 th\u1ec3 xem ch\u00ednh x\u00e1c tr\u1ea1ng th\u00e1i \u0111\u01a1n h\u00e0ng b\u1ea5t k\u1ef3 l\u00fac n\u00e0o.<\/li>\n<li><strong>X\u00e1c th\u1ef1c:<\/strong> H\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng t\u1eeb ch\u1ed1i c\u00e1c h\u00e0nh \u0111\u1ed9ng kh\u00f4ng h\u1ee3p l\u1ec7, ch\u1eb3ng h\u1ea1n nh\u01b0 ho\u00e0n ti\u1ec1n cho m\u1ed9t m\u1eb7t h\u00e0ng \u0111\u00e3 giao m\u00e0 kh\u00f4ng c\u00f3 quy tr\u00ecnh ho\u00e0n tr\u1ea3.<\/li>\n<li><strong>D\u1ea5u v\u1ebft ki\u1ec3m to\u00e1n:<\/strong> M\u1ecdi thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i \u0111\u1ec1u \u0111\u01b0\u1ee3c ghi l\u1ea1i, t\u1ea1o th\u00e0nh l\u1ecbch s\u1eed r\u00f5 r\u00e0ng v\u1ec1 v\u00f2ng \u0111\u1eddi \u0111\u01a1n h\u00e0ng.<\/li>\n<\/ul>\n<h2>Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p 2: X\u1eed l\u00fd d\u1eef li\u1ec7u c\u1ea3m bi\u1ebfn IoT \ud83c\udf21\ufe0f<\/h2>\n<p>C\u00e1c thi\u1ebft b\u1ecb Internet v\u1ea1n v\u1eadt (IoT) ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng kh\u00f4ng th\u1ec3 d\u1ef1 \u0111o\u00e1n. Ch\u00fang ph\u1ea3i x\u1eed l\u00fd hi\u1ec7u qu\u1ea3 c\u00e1c v\u1ea5n \u0111\u1ec1 k\u1ebft n\u1ed1i, qu\u1ea3n l\u00fd n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed3ng b\u1ed9 h\u00f3a d\u1eef li\u1ec7u.<\/p>\n<h3>T\u1ed5ng quan t\u00ecnh hu\u1ed1ng<\/h3>\n<p>M\u1ed9t c\u1ea3m bi\u1ebfn th\u00f4ng minh thu th\u1eadp d\u1eef li\u1ec7u m\u00f4i tr\u01b0\u1eddng v\u00e0 truy\u1ec1n n\u00f3 \u0111\u1ebfn m\u00e1y ch\u1ee7 trung t\u00e2m. Kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i m\u1ea1ng thay \u0111\u1ed5i li\u00ean t\u1ee5c, v\u00e0 tu\u1ed5i th\u1ecd pin l\u00e0 m\u1ed9t gi\u1edbi h\u1ea1n quan tr\u1ecdng.<\/p>\n<h3>C\u1ea5u tr\u00fac m\u00f4 h\u00ecnh tr\u1ea1ng th\u00e1i<\/h3>\n<ul>\n<li><strong>Tr\u1ea1ng th\u00e1i ngu\u1ed3n \u0111i\u1ec7n:<\/strong>\n<ul>\n<li><em>Ho\u1ea1t \u0111\u1ed9ng:<\/em> C\u1ea3m bi\u1ebfn \u0111ang ch\u1ea1y v\u00e0 thu th\u1eadp d\u1eef li\u1ec7u.<\/li>\n<li><em>Ch\u1edd \u0111\u1ee3i:<\/em> C\u1ea3m bi\u1ebfn \u1edf ch\u1ebf \u0111\u1ed9 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, th\u1ee9c d\u1eady \u0111\u1ecbnh k\u1ef3.<\/li>\n<li><em>Ng\u1ee7:<\/em>Ch\u1ebf \u0111\u1ed9 ng\u1ee7 s\u00e2u \u0111\u1ec3 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tr\u1ea1ng th\u00e1i k\u1ebft n\u1ed1i:<\/strong>\n<ul>\n<li><em>K\u1ebft n\u1ed1i:<\/em>K\u1ebft n\u1ed1i m\u1ea1ng \u1ed5n \u0111\u1ecbnh.<\/li>\n<li><em>Ng\u1eaft k\u1ebft n\u1ed1i:<\/em>M\u1ea5t k\u1ebft n\u1ed1i m\u1ea1ng.<\/li>\n<li><em>\u0110ang th\u1eed l\u1ea1i:<\/em>\u0110ang c\u1ed1 g\u1eafng k\u1ebft n\u1ed1i l\u1ea1i.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tr\u1ea1ng th\u00e1i d\u1eef li\u1ec7u:<\/strong>\n<ul>\n<li><em>\u0110ang thu th\u1eadp:<\/em>\u0110ang thu th\u1eadp d\u1eef li\u1ec7u th\u00f4.<\/li>\n<li><em>\u0110ang \u0111\u1ec7m:<\/em>\u0110ang l\u01b0u tr\u1eef d\u1eef li\u1ec7u c\u1ee5c b\u1ed9 do m\u1ea5t k\u1ebft n\u1ed1i.<\/li>\n<li><em>\u0110ang truy\u1ec1n t\u1ea3i:<\/em>\u0110ang g\u1eedi d\u1eef li\u1ec7u l\u00ean \u0111\u00e1m m\u00e2y.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>Logic chuy\u1ec3n tr\u1ea1ng th\u00e1i<\/h3>\n<p>Logic ph\u1ea3i \u01b0u ti\u00ean th\u1eddi l\u01b0\u1ee3ng pin \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u.<\/p>\n<ul>\n<li>N\u1ebfu <em>Ng\u1eaft k\u1ebft n\u1ed1i<\/em> v\u00e0 <em>\u0110ang \u0111\u1ec7m<\/em>, h\u1ec7 th\u1ed1ng chuy\u1ec3n sang <em>Thu th\u1eadp<\/em> nh\u01b0ng kh\u00f4ng c\u1ed1 g\u1eafng truy\u1ec1n t\u1ea3i.<\/li>\n<li>N\u1ebfu <em>\u0110ang \u0111\u1ec7m<\/em> v\u00e0 <em>K\u1ebft n\u1ed1i<\/em>, chuy\u1ec3n sang <em>Truy\u1ec1n t\u1ea3i<\/em>.<\/li>\n<li>N\u1ebfu pin y\u1ebfu, chuy\u1ec3n t\u1eeb <em>Ho\u1ea1t \u0111\u1ed9ng<\/em> sang <em>Ch\u1edd \u0111\u1ee3i<\/em> ngay l\u1eadp t\u1ee9c.<\/li>\n<li>N\u1ebfu <em>\u0110ang th\u1eed l\u1ea1i<\/em>th\u1ea5t b\u1ea1i ba l\u1ea7n, chuy\u1ec3n sang <em>Ng\u1ee7<\/em> \u0111\u1ec3 ch\u1edd reset th\u1ee7 c\u00f4ng ho\u1eb7c b\u1ed9 \u0111\u1ebfm th\u1eddi gian.<\/li>\n<\/ul>\n<h3>L\u1ee3i \u00edch c\u1ee7a M\u00f4 h\u00ecnh Tr\u1ea1ng th\u00e1i \u1edf \u0111\u00e2y<\/h3>\n<ul>\n<li><strong>Kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i:<\/strong> Thi\u1ebft b\u1ecb x\u1eed l\u00fd c\u00e1c s\u1ef1 c\u1ed1 m\u1ea5t k\u1ebft n\u1ed1i m\u1ea1ng m\u1ed9t c\u00e1ch tr\u01a1n tru m\u00e0 kh\u00f4ng b\u1ecb s\u1eadp.<\/li>\n<li><strong>Qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean:<\/strong> C\u00e1c tr\u1ea1ng th\u00e1i ngu\u1ed3n \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd r\u00f5 r\u00e0ng \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd ph\u1ea7n c\u1ee9ng.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng:<\/strong> Vi\u1ec7c th\u00eam lo\u1ea1i c\u1ea3m bi\u1ebfn m\u1edbi ch\u1ec9 y\u00eau c\u1ea7u th\u00eam c\u00e1c tr\u1ea1ng th\u00e1i con c\u1ee5 th\u1ec3 m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i giao th\u1ee9c c\u1ed1t l\u00f5i.<\/li>\n<\/ul>\n<h2>Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p 3: X\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng v\u00e0 B\u1ea3o m\u1eadt \ud83d\udd10<\/h2>\n<p>C\u00e1c h\u1ec7 th\u1ed1ng b\u1ea3o m\u1eadt y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t tr\u1ea1ng th\u00e1i nghi\u00eam ng\u1eb7t \u0111\u1ec3 ng\u0103n ch\u1eb7n truy c\u1eadp tr\u00e1i ph\u00e9p. M\u1ed9t quy tr\u00ecnh x\u00e1c th\u1ef1c m\u1ea1nh m\u1ebd s\u1eed d\u1ee5ng m\u00e1y tr\u1ea1ng th\u00e1i \u0111\u1ec3 qu\u1ea3n l\u00fd c\u00e1c phi\u00ean \u0111\u0103ng nh\u1eadp v\u00e0 kh\u00f3a t\u00e0i kho\u1ea3n.<\/p>\n<h3>T\u1ed5ng quan t\u00ecnh hu\u1ed1ng<\/h3>\n<p>M\u1ed9t ng\u01b0\u1eddi d\u00f9ng c\u1ed1 g\u1eafng \u0111\u0103ng nh\u1eadp v\u00e0o m\u1ed9t \u1ee9ng d\u1ee5ng b\u1ea3o m\u1eadt. H\u1ec7 th\u1ed1ng ph\u1ea3i x\u1eed l\u00fd c\u00e1c \u0111\u0103ng nh\u1eadp h\u1ee3p l\u1ec7, c\u00e1c l\u1ea7n \u0111\u0103ng nh\u1eadp kh\u00f4ng h\u1ee3p l\u1ec7, \u0111\u1eb7t l\u1ea1i m\u1eadt kh\u1ea9u v\u00e0 th\u1eddi gian h\u1ebft h\u1ea1n phi\u00ean \u0111\u0103ng nh\u1eadp.<\/p>\n<h3>C\u1ea5u tr\u00fac m\u00f4 h\u00ecnh tr\u1ea1ng th\u00e1i<\/h3>\n<ul>\n<li><strong>Tr\u1ea1ng th\u00e1i phi\u00ean:<\/strong>\n<ul>\n<li><em>\u0110\u00e3 \u0111\u0103ng xu\u1ea5t:<\/em>Tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u.<\/li>\n<li><em>\u0110\u00e3 \u0111\u0103ng nh\u1eadp:<\/em>Phi\u00ean \u0111\u0103ng nh\u1eadp h\u1ee3p l\u1ec7 \u0111ang ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<li><em>H\u1ebft th\u1eddi gian phi\u00ean:<\/em>Phi\u00ean kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u0111ang ch\u1edd x\u00e1c th\u1ef1c l\u1ea1i.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tr\u1ea1ng th\u00e1i b\u1ea3o m\u1eadt:<\/strong>\n<ul>\n<li><em>T\u00e0i kho\u1ea3n b\u1ecb kh\u00f3a:<\/em>Qu\u00e1 nhi\u1ec1u l\u1ea7n th\u1eed th\u1ea5t b\u1ea1i.<\/li>\n<li><em>Ch\u1ebf \u0111\u1ed9 kh\u00f4i ph\u1ee5c:<\/em>\u0110\u00e3 kh\u1edfi t\u1ea1o \u0111\u1eb7t l\u1ea1i m\u1eadt kh\u1ea9u.<\/li>\n<li><em>Ch\u1edd x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1:<\/em> \u0110ang ch\u1edd m\u00e3 x\u00e1c th\u1ef1c th\u1ee9 hai.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>Logic chuy\u1ec3n tr\u1ea1ng th\u00e1i<\/h3>\n<p>Logic b\u1ea3o m\u1eadt ph\u1ea3i x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng v\u00e0 an to\u00e0n.<\/p>\n<ul>\n<li><em>\u0110\u00e3 \u0111\u0103ng xu\u1ea5t<\/em> sang <em>Ch\u1edd x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1<\/em> x\u1ea3y ra khi nh\u1eadp t\u00ean ng\u01b0\u1eddi d\u00f9ng\/m\u1eadt kh\u1ea9u h\u1ee3p l\u1ec7.<\/li>\n<li><em>Ch\u1edd x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1<\/em> sang <em>\u0110\u00e3 \u0111\u0103ng nh\u1eadp<\/em> x\u1ea3y ra khi nh\u1eadp m\u00e3 2FA h\u1ee3p l\u1ec7.<\/li>\n<li><em>\u0110\u00e3 \u0111\u0103ng nh\u1eadp<\/em> sang <em>T\u00e0i kho\u1ea3n b\u1ecb kh\u00f3a<\/em> x\u1ea3y ra n\u1ebfu <code>l\u1ea7n th\u1eed sai &gt; 5<\/code>.<\/li>\n<li><em>T\u00e0i kho\u1ea3n b\u1ecb kh\u00f3a<\/em> sang <em>\u0110\u00e3 \u0111\u0103ng xu\u1ea5t<\/em> x\u1ea3y ra ch\u1ec9 sau khi \u0111\u1eb7t l\u1ea1i m\u1eadt kh\u1ea9u th\u00e0nh c\u00f4ng.<\/li>\n<li><em>\u0110\u00e3 \u0111\u0103ng nh\u1eadp<\/em> sang <em>H\u1ebft th\u1eddi gian phi\u00ean l\u00e0m vi\u1ec7c<\/em> x\u1ea3y ra n\u1ebfu <code>th\u1eddi gian im l\u1eb7ng &gt; 30 ph\u00fat<\/code>.<\/li>\n<\/ul>\n<h3>L\u1ee3i \u00edch c\u1ee7a m\u00f4 h\u00ecnh tr\u1ea1ng th\u00e1i \u1edf \u0111\u00e2y<\/h3>\n<ul>\n<li><strong>Tu\u00e2n th\u1ee7 b\u1ea3o m\u1eadt:<\/strong> \u0110\u1ea3m b\u1ea3o nh\u1eadt k\u00fd ki\u1ec3m to\u00e1n cho t\u1ea5t c\u1ea3 c\u00e1c l\u1ea7n \u0111\u0103ng nh\u1eadp.<\/li>\n<li><strong>Tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng:<\/strong> Ng\u0103n ch\u1eb7n c\u00e1c th\u00f4ng b\u00e1o l\u1ed7i g\u00e2y nh\u1ea7m l\u1eabn b\u1eb1ng c\u00e1ch h\u01b0\u1edbng d\u1eabn ng\u01b0\u1eddi d\u00f9ng \u0111i qua c\u00e1c tr\u1ea1ng th\u00e1i ph\u1ee5c h\u1ed3i c\u1ee5 th\u1ec3.<\/li>\n<li><strong>T\u00ednh nh\u1ea5t qu\u00e1n:<\/strong> \u0110\u1ea3m b\u1ea3o qu\u1ea3n l\u00fd phi\u00ean l\u00e0m vi\u1ec7c nh\u1ea5t qu\u00e1n tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c n\u1ec1n t\u1ea3ng (web, di \u0111\u1ed9ng, API).<\/li>\n<\/ul>\n<h2>So s\u00e1nh c\u00e1c m\u1eabu tr\u1ea1ng th\u00e1i \ud83d\udcca<\/h2>\n<p>B\u1ea3ng sau t\u00f3m t\u1eaft c\u00e1c m\u1eabu \u0111\u00e3 th\u1ea3o lu\u1eadn, gi\u00fap c\u00e1c k\u1ef9 s\u01b0 l\u1ef1a ch\u1ecdn m\u00f4 h\u00ecnh ph\u00f9 h\u1ee3p cho nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a d\u1ef1 \u00e1n c\u1ee7a h\u1ecd.<\/p>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i m\u1eabu<\/th>\n<th>\u0110\u1ed9 ph\u1ee9c t\u1ea1p<\/th>\n<th>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t<\/th>\n<th>N\u1ed7 l\u1ef1c tri\u1ec3n khai<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Tr\u1ea1ng th\u00e1i \u0111\u01a1n gi\u1ea3n<\/td>\n<td>Th\u1ea5p<\/td>\n<td>C\u00e1c c\u00f4ng t\u1eafc, c\u1edd c\u01a1 b\u1ea3n<\/td>\n<td>T\u1ed1i thi\u1ec3u<\/td>\n<\/tr>\n<tr>\n<td>Tr\u1ea1ng th\u00e1i ph\u00e2n c\u1ea5p<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>Quy tr\u00ecnh ph\u1ee9c t\u1ea1p, tr\u00ecnh h\u01b0\u1edbng d\u1eabn<\/td>\n<td>Trung b\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>Tr\u1ea1ng th\u00e1i \u0111\u1ed3ng th\u1eddi<\/td>\n<td>Cao<\/td>\n<td>C\u00e1c quy tr\u00ecnh song song, IoT<\/td>\n<td>Cao<\/td>\n<\/tr>\n<tr>\n<td>Tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>B\u1ea3o t\u1ed3n ng\u1eef c\u1ea3nh<\/td>\n<td>Trung b\u00ecnh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Chi\u1ebfn l\u01b0\u1ee3c tri\u1ec3n khai cho c\u00e1c \u0111\u1ed9i k\u1ef9 thu\u1eadt \ud83d\udee0\ufe0f<\/h2>\n<p>Tri\u1ec3n khai m\u00e1y tr\u1ea1ng th\u00e1i \u0111\u00f2i h\u1ecfi s\u1ef1 k\u1ef7 lu\u1eadt. M\u1ee5c ti\u00eau l\u00e0 gi\u1eef cho logic t\u00e1ch bi\u1ec7t kh\u1ecfi m\u00e3 \u1ee9ng d\u1ee5ng.<\/p>\n<h3>T\u00e0i li\u1ec7u v\u00e0 tr\u1ef1c quan h\u00f3a<\/h3>\n<ul>\n<li>Lu\u00f4n duy tr\u00ec m\u1ed9t bi\u1ec3u di\u1ec5n tr\u1ef1c quan c\u1ee7a m\u00e1y tr\u1ea1ng th\u00e1i. C\u00e1c c\u00f4ng c\u1ee5 n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o s\u01a1 \u0111\u1ed3 t\u1eeb m\u00e3 ngu\u1ed3n ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i.<\/li>\n<li>T\u00e0i li\u1ec7u l\u00fd do cho c\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7. T\u1ea1i sao ki\u1ec3m tra boolean c\u1ee5 th\u1ec3 n\u00e0y l\u00e0 c\u1ea7n thi\u1ebft?<\/li>\n<li>Gi\u1eef s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n c\u00f9ng v\u1edbi m\u00e3 ngu\u1ed3n \u1ee9ng d\u1ee5ng.<\/li>\n<\/ul>\n<h3>Ph\u1ea1m vi ki\u1ec3m th\u1eed<\/h3>\n<ul>\n<li><strong>Ph\u1ea1m vi tr\u1ea1ng th\u00e1i:<\/strong> \u0110\u1ea3m b\u1ea3o m\u1ecdi tr\u1ea1ng th\u00e1i \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111\u1ea1t \u00edt nh\u1ea5t m\u1ed9t l\u1ea7n trong qu\u00e1 tr\u00ecnh ki\u1ec3m th\u1eed.<\/li>\n<li><strong>Ph\u1ea1m vi chuy\u1ec3n ti\u1ebfp:<\/strong> \u0110\u1ea3m b\u1ea3o m\u1ecdi chuy\u1ec3n ti\u1ebfp h\u1ee3p l\u1ec7 \u0111\u1ec1u \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t v\u00e0 x\u00e1c minh.<\/li>\n<li><strong>X\u1eed l\u00fd l\u1ed7i:<\/strong> Ki\u1ec3m th\u1eed c\u00e1c chuy\u1ec3n ti\u1ebfp kh\u00f4ng h\u1ee3p l\u1ec7 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng v\u1eabn \u1edf tr\u1ea1ng th\u00e1i an to\u00e0n.<\/li>\n<li><strong>Tr\u01b0\u1eddng h\u1ee3p bi\u00ean:<\/strong> Ki\u1ec3m th\u1eed c\u00e1c s\u1ef1 ki\u1ec7n \u0111\u1ed3ng th\u1eddi \u0111\u1ec3 x\u00e1c minh c\u00e1ch m\u00e1y tr\u1ea1ng th\u00e1i x\u1eed l\u00fd c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ea1nh tranh.<\/li>\n<\/ul>\n<h3>T\u00e1i c\u1ea5u tr\u00fac v\u00e0 b\u1ea3o tr\u00ec<\/h3>\n<ul>\n<li>Khi th\u00eam logic kinh doanh m\u1edbi, h\u00e3y ki\u1ec3m tra xem n\u00f3 c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c tr\u1ea1ng th\u00e1i hi\u1ec7n c\u00f3 hay c\u1ea7n m\u1ed9t tr\u1ea1ng th\u00e1i m\u1edbi.<\/li>\n<li>T\u00e1i c\u1ea5u tr\u00fac c\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 tr\u1edf n\u00ean qu\u00e1 ph\u1ee9c t\u1ea1p. N\u1ebfu m\u1ed9t \u0111i\u1ec1u ki\u1ec7n k\u00e9o d\u00e0i qua nhi\u1ec1u d\u00f2ng, h\u00e3y c\u00e2n nh\u1eafc di chuy\u1ec3n logic sang m\u1ed9t h\u00e0nh \u0111\u1ed9ng ho\u1eb7c ph\u01b0\u01a1ng th\u1ee9c h\u1ed7 tr\u1ee3.<\/li>\n<li>\u0110\u00e1nh gi\u00e1 s\u01a1 \u0111\u1ed3 \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 ph\u00e1t hi\u1ec7n logic \u201cb\u00e1nh m\u00ec x\u00e0o\u201d n\u01a1i c\u00e1c tr\u1ea1ng th\u00e1i c\u00f3 qu\u00e1 nhi\u1ec1u chuy\u1ec3n ti\u1ebfp \u0111\u1ea7u v\u00e0o ho\u1eb7c \u0111\u1ea7u ra.<\/li>\n<\/ul>\n<h2>Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh \u26a0\ufe0f<\/h2>\n<p>Ngay c\u1ea3 c\u00e1c k\u1ef9 s\u01b0 c\u00f3 kinh nghi\u1ec7m c\u0169ng c\u00f3 th\u1ec3 m\u1eafc sai l\u1ea7m khi thi\u1ebft k\u1ebf m\u00f4 h\u00ecnh tr\u1ea1ng th\u00e1i. Nh\u1eadn th\u1ee9c v\u1ec1 nh\u1eefng b\u1eaby ph\u1ed5 bi\u1ebfn gi\u00fap duy tr\u00ec s\u1ee9c kh\u1ecfe h\u1ec7 th\u1ed1ng.<\/p>\n<ul>\n<li><strong>Qu\u00e1 nhi\u1ec1u tr\u1ea1ng th\u00e1i:<\/strong> N\u1ebfu m\u1ed9t s\u01a1 \u0111\u1ed3 c\u00f3 h\u01a1n 20 tr\u1ea1ng th\u00e1i, c\u00f3 kh\u1ea3 n\u0103ng n\u00f3 qu\u00e1 ph\u1ee9c t\u1ea1p. H\u00e3y c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng c\u00e1c m\u1eabu ph\u00e2n c\u1ea5p \u0111\u1ec3 nh\u00f3m ch\u00fang l\u1ea1i.<\/li>\n<li><strong>B\u1ecf qua tr\u1ea1ng th\u00e1i l\u1ed7i:<\/strong> M\u1ecdi quy tr\u00ecnh \u0111\u1ec1u n\u00ean c\u00f3 m\u1ed9t tr\u1ea1ng th\u00e1i l\u1ed7i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh. \u0110\u1eebng t\u1ef1 \u0111\u1ed9ng cho r\u1eb1ng th\u00e0nh c\u00f4ng.<\/li>\n<li><strong>G\u1eafn k\u1ebft tr\u1ea1ng th\u00e1i v\u1edbi d\u1eef li\u1ec7u:<\/strong> C\u00e1c tr\u1ea1ng th\u00e1i n\u00ean \u0111\u1ea1i di\u1ec7n cho h\u00e0nh vi, ch\u1ee9 kh\u00f4ng ph\u1ea3i gi\u00e1 tr\u1ecb d\u1eef li\u1ec7u. Tr\u00e1nh \u0111\u1eb7t t\u00ean tr\u1ea1ng th\u00e1i theo c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng d\u1eef li\u1ec7u c\u1ee5 th\u1ec3.<\/li>\n<li><strong>Thi\u1ebfu tr\u1ea1ng th\u00e1i kh\u1edfi \u0111\u1ea7u:<\/strong> M\u1ecdi m\u00e1y tr\u1ea1ng th\u00e1i \u0111\u1ec1u ph\u1ea3i c\u00f3 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh.<\/li>\n<li><strong>B\u1ecf qua c\u00e1c h\u00e0nh \u0111\u1ed9ng tho\u00e1t:<\/strong> Kh\u00f4ng d\u1ecdn d\u1eb9p t\u00e0i nguy\u00ean khi r\u1eddi kh\u1ecfi m\u1ed9t tr\u1ea1ng th\u00e1i c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn r\u00f2 r\u1ec9 b\u1ed9 nh\u1edb ho\u1eb7c c\u00e1c k\u1ebft n\u1ed1i b\u1ecb b\u1ecf r\u01a1i.<\/li>\n<\/ul>\n<h2>Suy ngh\u0129 cu\u1ed1i c\u00f9ng v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a tr\u1ea1ng th\u00e1i \ud83c\udfaf<\/h2>\n<p>C\u00e1c m\u1eabu s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i cung c\u1ea5p m\u1ed9t c\u01a1 ch\u1ebf m\u1ea1nh m\u1ebd \u0111\u1ec3 c\u1ea5u tr\u00fac logic ph\u1ea7n m\u1ec1m. B\u1eb1ng c\u00e1ch tr\u1ef1c quan h\u00f3a v\u00f2ng \u0111\u1eddi c\u1ee7a m\u1ed9t th\u1ef1c th\u1ec3, c\u00e1c \u0111\u1ed9i ng\u0169 c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng d\u1ec5 suy lu\u1eadn, ki\u1ec3m th\u1eed v\u00e0 b\u1ea3o tr\u00ec h\u01a1n. C\u00e1c v\u00ed d\u1ee5 th\u1ef1c t\u1ebf \u0111\u01b0\u1ee3c cung c\u1ea5p minh h\u1ecda c\u00e1ch c\u00e1c m\u1eabu n\u00e0y \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau, t\u1eeb th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed \u0111\u1ebfn IoT v\u00e0 an ninh.<\/p>\n<p>Vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y \u0111\u00f2i h\u1ecfi m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u v\u00e0o thi\u1ebft k\u1ebf v\u00e0 t\u00e0i li\u1ec7u, nh\u01b0ng l\u1ee3i \u00edch l\u00e2u d\u00e0i l\u00e0 r\u1ea5t l\u1edbn. C\u00e1c h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng v\u1edbi c\u00e1c chuy\u1ec3n \u0111\u1ed5i tr\u1ea1ng th\u00e1i r\u00f5 r\u00e0ng s\u1ebd b\u1ec1n b\u1ec9 h\u01a1n tr\u01b0\u1edbc s\u1ef1 thay \u0111\u1ed5i v\u00e0 \u00edt d\u1ec5 m\u1eafc l\u1ed7i logic h\u01a1n. Khi c\u00e1c d\u1ef1 \u00e1n k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p, vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a tr\u1ea1ng th\u00e1i tr\u1edf th\u00e0nh m\u1ed9t k\u1ef9 n\u0103ng thi\u1ebft y\u1ebfu \u0111\u1ec3 t\u1ea1o n\u00ean ki\u1ebfn tr\u00fac v\u1eefng ch\u1eafc.<\/p>\n<p>T\u1eadp trung v\u00e0o s\u1ef1 r\u00f5 r\u00e0ng, thi\u1ebft l\u1eadp ranh gi\u1edbi v\u00e0 \u0111\u1ec3 m\u00e1y tr\u1ea1ng th\u00e1i d\u1eabn d\u1eaft qu\u00e1 tr\u00ecnh tri\u1ec3n khai c\u1ee7a b\u1ea1n. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o ph\u1ea7n m\u1ec1m ho\u1ea1t \u0111\u1ed9ng m\u1ed9t c\u00e1ch c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c, b\u1ea5t k\u1ec3 m\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p \u1ea9n gi\u1ea5u b\u00ean d\u01b0\u1edbi b\u1ec1 m\u1eb7t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong b\u1ed1i c\u1ea3nh ph\u1ee9c t\u1ea1p c\u1ee7a ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m, vi\u1ec7c qu\u1ea3n l\u00fd v\u00f2ng \u0111\u1eddi c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng ho\u1eb7c m\u1ed9t quy tr\u00ecnh h\u1ec7 th\u1ed1ng \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c.&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"C\u00e1c M\u1eabu S\u01a1 \u0111\u1ed3 Tr\u1ea1ng th\u00e1i: C\u00e1c Tr\u01b0\u1eddng H\u1ee3p Th\u1ef1c T\u1ebf trong K\u1ef9 Thu\u1eadt Ph\u1ea7n M\u1ec1m \ud83d\ude80","_yoast_wpseo_metadesc":"Kh\u00e1m ph\u00e1 c\u00e1c m\u1eabu s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p th\u1ef1c t\u1ebf trong k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m. H\u1ecdc v\u1ec1 m\u00e1y tr\u1ea1ng th\u00e1i UML, c\u00e1c chuy\u1ec3n ti\u1ebfp v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t trong thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng.","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[35],"tags":[40,41],"class_list":["post-851","post","type-post","status-publish","format-standard","hentry","category-uml","tag-academic","tag-state-machine-diagram"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>C\u00e1c M\u1eabu S\u01a1 \u0111\u1ed3 Tr\u1ea1ng th\u00e1i: C\u00e1c Tr\u01b0\u1eddng H\u1ee3p Th\u1ef1c T\u1ebf trong K\u1ef9 Thu\u1eadt Ph\u1ea7n M\u1ec1m \ud83d\ude80<\/title>\n<meta name=\"description\" content=\"Kh\u00e1m ph\u00e1 c\u00e1c m\u1eabu s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p th\u1ef1c t\u1ebf trong k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m. 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