{"id":265,"date":"2022-01-25T10:30:49","date_gmt":"2022-01-25T10:30:49","guid":{"rendered":"https:\/\/www.cybermedian.com\/vn\/?p=265"},"modified":"2025-02-19T10:06:48","modified_gmt":"2025-02-19T02:06:48","slug":"what-is-the-problems-of-waterfall-model","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/vn\/what-is-the-problems-of-waterfall-model\/","title":{"rendered":"V\u1ea5n \u0111\u1ec1 c\u1ee7a m\u00f4 h\u00ecnh th\u00e1c n\u01b0\u1edbc l\u00e0 g\u00ec?"},"content":{"rendered":"<p class=\"graf graf--p graf-after--h3\" id=\"8e52\">M\u00f4 h\u00ecnh th\u00e1c n\u01b0\u1edbc l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p thi\u1ebft k\u1ebf tu\u1ea7n t\u1ef1 t\u01b0\u01a1ng \u0111\u1ed1i tuy\u1ebfn t\u00ednh cho m\u1ed9t s\u1ed1 l\u0129nh v\u1ef1c thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"88d3\">Trong ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m, n\u00f3 th\u01b0\u1eddng l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p \u00edt l\u1eb7p l\u1ea1i v\u00e0 linh ho\u1ea1t h\u01a1n, v\u00ec ti\u1ebfn tr\u00ecnh ch\u1ee7 y\u1ebfu ch\u1ea3y theo m\u1ed9t h\u01b0\u1edbng xu\u1ed1ng d\u01b0\u1edbi, gi\u1ed1ng nh\u01b0 m\u1ed9t th\u00e1c n\u01b0\u1edbc, qua c\u00e1c giai \u0111o\u1ea1n h\u00ecnh th\u00e0nh, kh\u1edfi \u0111\u1ea7u, ph\u00e2n t\u00edch, thi\u1ebft k\u1ebf, x\u00e2y d\u1ef1ng, ki\u1ec3m tra, tri\u1ec3n khai v\u00e0 b\u1ea3o tr\u00ec. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c d\u1ef1 \u00e1n ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m, c\u00e1c giai \u0111o\u1ea1n th\u01b0\u1eddng tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0y:<\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"d699\"><img class=\"graf-image\" data-height=\"495\" data-image-id=\"0*BL2OV4hEYw-jwg3u.png\" data-is-featured=\"true\" data-width=\"616\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0BL2OV4hEYw-jwg3u.png\"\/><figcaption class=\"imageCaption\">M\u00f4 h\u00ecnh th\u00e1c n\u01b0\u1edbc<\/figcaption><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"8e0a\"><strong class=\"markup--strong markup--p-strong\">1. Y\u00eau c\u1ea7u<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"e936\">N\u1ebfu b\u1ea1n \u0111ang tham gia v\u00e0o ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m ho\u1eb7c b\u1ea5t k\u1ef3 lo\u1ea1i nh\u00f3m t\u1ea1o d\u1ef1 \u00e1n n\u00e0o, b\u1ea1n s\u1ebd mu\u1ed1n bi\u1ebft b\u1ed1i c\u1ea3nh kinh doanh c\u1ee7a nh\u1eefng g\u00ec b\u1ea1n \u0111ang c\u1ed1 g\u1eafng t\u1ea1o ra &#8211; b\u1ea1n mu\u1ed1n x\u00e1c \u0111\u1ecbnh lo\u1ea1i v\u1ea5n \u0111\u1ec1 m\u00e0 b\u1ea1n \u0111ang c\u1ed1 g\u1eafng gi\u1ea3i quy\u1ebft v\u00e0 c\u00e1ch m\u1ecdi ng\u01b0\u1eddi s\u1ebd ph\u1ea3n \u1ee9ng v\u1edbi s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n c\u1ee7a b\u1ea1n. Sau khi b\u1ea1n x\u00e1c \u0111\u1ecbnh t\u1ea5t c\u1ea3 nh\u1eefng \u201cy\u00eau c\u1ea7u\u201d n\u00e0y, b\u1ea1n c\u00f3 \u0111\u1ea7u v\u00e0o c\u1ea7n thi\u1ebft \u0111\u1ec3 ti\u1ebfn t\u1edbi b\u01b0\u1edbc ti\u1ebfp theo.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"5119\"><strong class=\"markup--strong markup--p-strong\">2. Thi\u1ebft k\u1ebf<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"9752\">B\u01b0\u1edbc n\u00e0y bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c b\u01b0\u1edbc m\u00e0 b\u1ea1n c\u1ea7n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng t\u1ea5t c\u1ea3 c\u00e1c y\u00eau c\u1ea7u m\u00e0 b\u1ea1n \u0111\u00e3 x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc \u0111\u00f3. Trong ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m, \u0111\u00e2y l\u00e0 ph\u1ea7n m\u00e0 b\u1ea1n x\u00e1c \u0111\u1ecbnh t\u1ea5t c\u1ea3 ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m v\u00e0 ph\u1ea7n c\u1ee9ng, ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh, l\u01b0u tr\u1eef d\u1eef li\u1ec7u, v.v. \u0110\u00e2y c\u0169ng l\u00e0 ph\u1ea7n m\u00e0 b\u1ea1n x\u00e1c \u0111\u1ecbnh d\u1ef1 \u00e1n s\u1ebd h\u1eefu \u00edch nh\u01b0 th\u1ebf n\u00e0o cho ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"61c7\"><strong class=\"markup--strong markup--p-strong\">3. Tri\u1ec3n khai<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"d8fc\">Trong b\u01b0\u1edbc n\u00e0y, b\u1ea1n b\u1eaft \u0111\u1ea7u x\u00e2y d\u1ef1ng nh\u1eefng g\u00ec b\u1ea1n \u0111\u00e3 thi\u1ebft k\u1ebf trong k\u1ebf ho\u1ea1ch c\u1ee7a m\u00ecnh. Ph\u1ea7n n\u00e0y c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p Th\u00e1c n\u01b0\u1edbc \u0111\u01b0\u1ee3c d\u00e0nh ri\u00eang \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n m\u00e0 b\u1ea1n \u0111\u00e3 \u0111\u1eb7t ra trong c\u00e1c b\u01b0\u1edbc tr\u01b0\u1edbc \u0111\u00f3. \u0110\u00e2y l\u00e0 ph\u1ea7n m\u00e0 nh\u1eefng ng\u01b0\u1eddi t\u1eeb nh\u00f3m ph\u00e1t tri\u1ec3n tham gia v\u00e0 th\u1ef1c hi\u1ec7n t\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u \u0111\u00e3 th\u1ea3o lu\u1eadn trong c\u00e1c b\u01b0\u1edbc tr\u01b0\u1edbc.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"97b5\"><strong class=\"markup--strong markup--p-strong\">4. X\u00e1c minh<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"4230\">\u0110\u00e2y l\u00e0 ph\u1ea7n c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p m\u00e0 nh\u1eefng ng\u01b0\u1eddi \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng tham gia \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng nh\u00f3m ph\u00e1t tri\u1ec3n kh\u00f4ng m\u1eafc ph\u1ea3i sai s\u00f3t n\u00e0o. \u0110\u00e2y c\u0169ng c\u00f3 th\u1ec3 l\u00e0 ph\u1ea7n m\u00e0 m\u1ecdi ng\u01b0\u1eddi nh\u1eadn ra \u0111i\u1ec1u g\u00ec \u0111ang ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng trong k\u1ebf ho\u1ea1ch c\u1ee7a h\u1ecd.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"1f08\"><strong class=\"markup--strong markup--p-strong\">L\u01b0u \u00fd r\u1eb1ng<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"304d\">Khi t\u1ea5t c\u1ea3 m\u1ecdi th\u1ee9 \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n d\u1ef1 \u00e1n th\u1ecfa m\u00e3n, kh\u00e1ch h\u00e0ng ho\u1eb7c ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i s\u1ebd v\u00e0o v\u00e0 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh cu\u1ed1i c\u00f9ng xem d\u1ef1 \u00e1n c\u00f3 s\u1eb5n s\u00e0ng \u0111\u1ec3 \u0111\u01b0\u1ee3c tri\u1ec3n khai hay kh\u00f4ng.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"7212\">Ph\u01b0\u01a1ng ph\u00e1p Th\u00e1c n\u01b0\u1edbc nh\u1ea5n m\u1ea1nh r\u1eb1ng khi c\u00f3 \u0111i\u1ec1u g\u00ec \u0111\u00f3 sai \u1edf m\u1ed9t giai \u0111o\u1ea1n c\u1ee5 th\u1ec3, m\u1ecdi ng\u01b0\u1eddi c\u00f3 th\u1ec3 quay l\u1ea1i giai \u0111o\u1ea1n tr\u01b0\u1edbc \u0111\u1ec3 xem \u0111i\u1ec1u g\u00ec \u0111\u00e3 sai. V\u00ed d\u1ee5, n\u1ebfu c\u00f3 v\u1ea5n \u0111\u1ec1 trong vi\u1ec7c Tri\u1ec3n khai K\u1ebf ho\u1ea1ch v\u00e0 m\u1ecdi ng\u01b0\u1eddi bi\u1ebft r\u1eb1ng h\u1ecd ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 l\u00e0m theo b\u1ea3n thi\u1ebft k\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c giao cho h\u1ecd, th\u00ec c\u00e1c nh\u00e0 qu\u1ea3n l\u00fd s\u1ebd xem x\u00e9t k\u1ebf ho\u1ea1ch c\u1ee7a h\u1ecd v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c s\u1eeda \u0111\u1ed5i t\u1eeb \u0111\u00f3.<\/p>\n<h3 class=\"graf graf--h3 graf-after--p\" id=\"8efc\">V\u1ea5n \u0111\u1ec1 c\u1ee7a m\u00f4 h\u00ecnh Th\u00e1c n\u01b0\u1edbc l\u00e0 g\u00ec?<\/h3>\n<figure class=\"graf graf--figure graf-after--h3\" id=\"c91e\"><img class=\"graf-image\" data-height=\"460\" data-image-id=\"0*5pAJlKyeehGiGDPP.png\" data-width=\"640\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/05pAJlKyeehGiGDPP.png\"\/><figcaption class=\"imageCaption\">V\u1ea5n \u0111\u1ec1 v\u1ec1 y\u00eau c\u1ea7u ban \u0111\u1ea7u &#8211; K\u1ebf ho\u1ea1ch so v\u1edbi Th\u1ef1c t\u1ebf<\/figcaption><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"81b3\">Kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 kh\u00f4ng bi\u1ebft ch\u00ednh x\u00e1c y\u00eau c\u1ea7u c\u1ee7a h\u1ecd l\u00e0 g\u00ec tr\u01b0\u1edbc khi h\u1ecd th\u1ea5y ph\u1ea7n m\u1ec1m ho\u1ea1t \u0111\u1ed9ng v\u00e0 do \u0111\u00f3 thay \u0111\u1ed5i y\u00eau c\u1ea7u c\u1ee7a h\u1ecd, d\u1eabn \u0111\u1ebfn vi\u1ec7c thi\u1ebft k\u1ebf l\u1ea1i, ph\u00e1t tri\u1ec3n l\u1ea1i v\u00e0 ki\u1ec3m tra l\u1ea1i, c\u00f9ng v\u1edbi chi ph\u00ed t\u0103ng l\u00ean.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"3743\">C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 kh\u00f4ng nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c nh\u1eefng kh\u00f3 kh\u0103n trong t\u01b0\u01a1ng lai khi thi\u1ebft k\u1ebf m\u1ed9t s\u1ea3n ph\u1ea9m ho\u1eb7c t\u00ednh n\u0103ng ph\u1ea7n m\u1ec1m m\u1edbi, trong tr\u01b0\u1eddng h\u1ee3p \u0111\u00f3, t\u1ed1t h\u01a1n l\u00e0 s\u1eeda \u0111\u1ed5i thi\u1ebft k\u1ebf h\u01a1n l\u00e0 ki\u00ean tr\u00ec v\u1edbi m\u1ed9t thi\u1ebft k\u1ebf kh\u00f4ng t\u00ednh \u0111\u1ebfn b\u1ea5t k\u1ef3 r\u00e0ng bu\u1ed9c, y\u00eau c\u1ea7u ho\u1eb7c v\u1ea5n \u0111\u1ec1 m\u1edbi n\u00e0o \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"ead5\">Do \u0111\u00f3, kh\u00f4ng c\u00f3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c y\u00eau c\u1ea7u m\u00e0 t\u1ed5 ch\u1ee9c \u0111\u00e3 ngh\u0129 ra s\u1ebd th\u1ef1c s\u1ef1 ho\u1ea1t \u0111\u1ed9ng. T\u1eeb \u0111\u00e2y, b\u1ea1n s\u1ebd nh\u1eadn ra r\u1eb1ng m\u00f4 h\u00ecnh Th\u00e1c n\u01b0\u1edbc c\u00f3 nh\u1eefng v\u1ea5n \u0111\u1ec1 sau:<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"ac6a\">1.<strong class=\"markup--strong markup--p-strong\">\u00a0M\u1ecdi ng\u01b0\u1eddi m\u00f9 qu\u00e1ng l\u00e0m theo k\u1ebf ho\u1ea1ch.<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"8722\">Trong ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng, m\u1ecdi ng\u01b0\u1eddi ch\u00fa \u00fd nhi\u1ec1u h\u01a1n \u0111\u1ebfn c\u00e1ch m\u1ecdi th\u1ee9 s\u1ebd di\u1ec5n ra v\u00e0o th\u1eddi \u0111i\u1ec3m th\u00edch h\u1ee3p m\u00e0 kh\u00f4ng ch\u00fa \u00fd xem m\u1ecdi th\u1ee9 c\u00f3 th\u1ef1c s\u1ef1 di\u1ec5n ra \u0111\u00fang nh\u01b0 k\u1ebf ho\u1ea1ch hay kh\u00f4ng. Trong khi l\u1eadp k\u1ebf ho\u1ea1ch l\u00e0 quan tr\u1ecdng, th\u00ec c\u0169ng quan tr\u1ecdng r\u1eb1ng c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 ng\u01b0\u1eddi ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng hi\u1ec3u c\u00e1ch m\u1ecdi th\u1ee9 n\u00ean di\u1ec5n ra, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi kh\u00e1ch h\u00e0ng ho\u1eb7c ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i. C\u0169ng quan tr\u1ecdng l\u00e0 t\u1ea5t c\u1ea3 nh\u1eefng ng\u01b0\u1eddi tham gia v\u00e0o d\u1ef1 \u00e1n c\u00f3 th\u1ec3 ngay l\u1eadp t\u1ee9c n\u00f3i ra c\u00e1ch m\u00e0 m\u1ed9t b\u01b0\u1edbc c\u1ee5 th\u1ec3 trong vi\u1ec7c th\u1ef1c hi\u1ec7n d\u1ef1 \u00e1n c\u00f3 th\u1ec3 b\u1ecb s\u1ee5p \u0111\u1ed5 m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i ch\u1edd \u0111\u1ebfn giai \u0111o\u1ea1n ki\u1ec3m tra.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"1b05\">2.\u00a0<strong class=\"markup--strong markup--p-strong\">Quy tr\u00ecnh tu\u1ea7n t\u1ef1 v\u00e0 thay \u0111\u1ed5i tr\u1edf n\u00ean t\u1ed1n k\u00e9m<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"a9a5\">Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y kh\u00f4ng cho ph\u00e9p thay \u0111\u1ed5i c\u00e1c y\u00eau c\u1ea7u \u0111\u00e3 x\u00e1c \u0111\u1ecbnh khi d\u1ef1 \u00e1n ti\u1ebfn tri\u1ec3n. Do \u0111\u00f3, c\u00f3 kh\u1ea3 n\u0103ng l\u1edbn r\u1eb1ng ph\u1ea7n m\u1ec1m s\u1ebd kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 y\u00eau c\u1ea7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, n\u00f3 s\u1ebd kh\u00f4ng hi\u1ec7u qu\u1ea3 v\u00e0 c\u00f3 ch\u1ee9c n\u0103ng k\u00e9m.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"9d10\">N\u00f3 kh\u00f4ng \u0111\u1ee7 v\u00ec c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n kh\u00f4ng th\u1ec3 ch\u1ec9 quay l\u1ea1i v\u00e0 thay \u0111\u1ed5i \u0111i\u1ec1u g\u00ec \u0111\u00f3 \u1edf giai \u0111o\u1ea1n tr\u01b0\u1edbc khi y\u00eau c\u1ea7u c\u1ee7a ng\u01b0\u1eddi ti\u00eau d\u00f9ng thay \u0111\u1ed5i, nh\u01b0ng nh\u00e0 ph\u00e1t tri\u1ec3n ph\u1ea3i quay l\u1ea1i n\u01a1i y\u00eau c\u1ea7u c\u1ea7n thay \u0111\u1ed5i v\u00e0 b\u1eaft \u0111\u1ea7u l\u1ea1i giai \u0111o\u1ea1n \u0111\u00f3. Ch\u1ec9 khi giai \u0111o\u1ea1n \u0111\u00f3 ho\u00e0n th\u00e0nh, h\u1ecd m\u1edbi c\u00f3 th\u1ec3 ti\u1ebfn t\u1edbi giai \u0111o\u1ea1n ti\u1ebfp theo.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"df11\">3.\u00a0<strong class=\"markup--strong markup--p-strong\">Ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i kh\u00f4ng bi\u1ebft h\u1ecd mu\u1ed1n g\u00ec.<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"ac7d\">H\u1ea7u h\u1ebft th\u1eddi gian, t\u00e2m tr\u00ed c\u1ee7a ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i li\u00ean t\u1ee5c thay \u0111\u1ed5i v\u00e0 h\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi c\u00f3 m\u1ed9t \u00fd t\u01b0\u1edfng m\u01a1 h\u1ed3 v\u1ec1 y\u00eau c\u1ea7u ph\u1ea7n m\u1ec1m c\u1ee7a h\u1ecd v\u00e0 ch\u00ednh khi ph\u1ea7n m\u1ec1m ph\u00e1t tri\u1ec3n th\u00ec h\u1ecd m\u1edbi x\u00e1c \u0111\u1ecbnh y\u00eau c\u1ea7u c\u1ee7a m\u00ecnh.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"151f\">Khi \u0111\u1ebfn l\u00fac b\u00e0n giao s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n cho kh\u00e1ch h\u00e0ng, c\u00f3 kh\u1ea3 n\u0103ng h\u1ecd s\u1ebd kh\u00f4ng th\u00edch c\u00e1ch m\u00e0 n\u00f3 \u0111\u00e3 di\u1ec5n ra, m\u1eb7c d\u00f9 \u0111\u00e3 n\u00f3i ng\u01b0\u1ee3c l\u1ea1i m\u1ed9t c\u00e1ch c\u00f3 ch\u1ee7 \u00fd trong c\u00e1c giai \u0111o\u1ea1n ban \u0111\u1ea7u. Kh\u00e1ch h\u00e0ng v\u00e0 ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i d\u1ec5 d\u00e0ng thay \u0111\u1ed5i nh\u1eefng g\u00ec h\u1ecd mu\u1ed1n theo th\u1eddi gian. H\u1ec7 th\u1ed1ng Th\u00e1c n\u01b0\u1edbc ch\u01b0a c\u00f3 c\u00e1ch n\u00e0o \u0111\u1ec3 gi\u1ea3i quy\u1ebft \u0111i\u1ec1u \u0111\u00f3, m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i s\u1eeda \u0111\u1ed5i k\u1ebf ho\u1ea1ch v\u00e0 l\u00e0m l\u1ea1i to\u00e0n b\u1ed9 d\u1ef1 \u00e1n.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"f795\">4.\u00a0<strong class=\"markup--strong markup--p-strong\">Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"2405\">Th\u1eadt kh\u00f4ng th\u1ec3 d\u1ef1 \u0111o\u00e1n ch\u00ednh x\u00e1c k\u1ebft qu\u1ea3 c\u1ee7a m\u1ed9t d\u1ef1 \u00e1n, v\u00e0 khi to\u00e0n b\u1ed9 \u0111\u1ed9i ng\u0169 b\u1ecb \u00e1p l\u1ef1c v\u1ec1 th\u1eddi gian, c\u00f3 th\u1ec3 s\u1ebd r\u00fat ng\u1eafn giai \u0111o\u1ea1n ki\u1ec3m tra \u0111\u1ec3 \u0111\u00e1p \u1ee9ng th\u1eddi h\u1ea1n.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"9929\">5.\u00a0<strong class=\"markup--strong markup--p-strong\">B\u1ea1n s\u1ebd kh\u00f4ng bao gi\u1edd bi\u1ebft b\u1ea1n th\u1ef1c s\u1ef1 \u0111ang \u1edf giai \u0111o\u1ea1n n\u00e0o.<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"c398\">V\u00ec s\u1ea3n ph\u1ea9m m\u00e0 b\u1ea1n \u0111ang c\u1ed1 g\u1eafng t\u1ea1o ra s\u1ebd kh\u00f4ng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t cho \u0111\u1ebfn cu\u1ed1i c\u00f9ng, b\u1ea1n kh\u00f4ng th\u1ef1c s\u1ef1 ch\u1eafc ch\u1eafn li\u1ec7u b\u1ea1n v\u1eabn \u0111ang \u1edf giai \u0111o\u1ea1n l\u1eadp k\u1ebf ho\u1ea1ch hay b\u1ea1n \u0111\u00e3 \u1edf giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng s\u1ebd d\u00e0nh nhi\u1ec1u th\u1eddi gian h\u01a1n cho m\u1ed9t giai \u0111o\u1ea1n so v\u1edbi nh\u1eefng g\u00ec b\u1ea1n \u0111\u00e3 mong \u0111\u1ee3i v\u00ec s\u1ef1 thi\u1ebfu minh b\u1ea1ch n\u00e0y.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"b7cb\">Cu\u1ed1i c\u00f9ng, ph\u01b0\u01a1ng ph\u00e1p Th\u00e1c n\u01b0\u1edbc c\u00f3 th\u1ec3 qu\u00e1 r\u1ee7i ro v\u00ec n\u00f3 qu\u00e1 c\u1ee9ng nh\u1eafc. \u0110\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t m\u1ed9t s\u1ea3n ph\u1ea9m ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u0111\u1ee7 linh ho\u1ea1t \u0111\u1ec3 gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u g\u00ec \u0111ang ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c kh\u00f4ng.<\/p>\n<h3 class=\"graf graf--h3 graf-after--p\" id=\"132a\">T\u00e0i nguy\u00ean li\u00ean quan<\/h3>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--h3 graf--trailing\" id=\"4e5e\">Agile &amp; Scrum &#8211; C\u00e1c b\u00e0i vi\u1ebft v\u1ec1 ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m (<a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/scrum\" href=\"https:\/\/www.visual-paradigm.com\/scrum\" rel=\"noopener\" target=\"_blank\">Ti\u1ebfng Anh<\/a>) (<a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.archimetric.com\/agile\/\" href=\"https:\/\/www.archimetric.com\/agile\/\" rel=\"noopener\" target=\"_blank\">Ti\u1ebfng Trung<\/a><a class=\"markup--anchor markup--li-anchor\" data-href=\"http:\/\/agile.blog.jp\/agile_scrum\/cat_306937.html\" href=\"http:\/\/agile.blog.jp\/agile_scrum\/cat_306937.html\" rel=\"noopener\" target=\"_blank\">Ti\u1ebfng Nh\u1eadt<\/a>)<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>In reality, customers may not know what their needs are until they see the software at work, so changing their requirements leads to redesign, redevelopment and retesting, and increased costs. Developers may design a new software product or feature without realizing the difficulties ahead, in which case it is better to modify the design rather than insist on a design that does not take into account any newly discovered constraints, requirements, or problems. As a result, there is no guarantee that the requirements the organization has in mind will actually work.<\/p>\n","protected":false},"author":1,"featured_media":3031,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","footnotes":""},"categories":[5],"tags":[52,63,62,53],"class_list":["post-265","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software-engineering","tag-cn-done","tag-es-done","tag-ja-done","tag-tw-done"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>V\u1ea5n \u0111\u1ec1 c\u1ee7a m\u00f4 h\u00ecnh th\u00e1c n\u01b0\u1edbc l\u00e0 g\u00ec? - Cybermedian<\/title>\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.cybermedian.com\/vn\/what-is-the-problems-of-waterfall-model\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"V\u1ea5n \u0111\u1ec1 c\u1ee7a m\u00f4 h\u00ecnh th\u00e1c n\u01b0\u1edbc l\u00e0 g\u00ec? - Cybermedian\" \/>\n<meta property=\"og:description\" content=\"In reality, customers may not know what their needs are until they see the software at work, so changing their requirements leads to redesign, redevelopment and retesting, and increased costs. Developers may design a new software product or feature without realizing the difficulties ahead, in which case it is better to modify the design rather than insist on a design that does not take into account any newly discovered constraints, requirements, or problems. 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