{"id":477313,"date":"2023-08-09T09:11:08","date_gmt":"2023-08-09T09:11:08","guid":{"rendered":""},"modified":"2023-09-05T11:14:30","modified_gmt":"2023-09-05T11:14:30","slug":"function-as-a-service-faas","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/function-as-a-service-faas\/","title":{"rendered":"Ch\u1ee9c n\u0103ng nh\u01b0 m\u1ed9t d\u1ecbch v\u1ee5 (FaaS)"},"content":{"rendered":"<p>Ch\u1ee9c n\u0103ng nh\u01b0 m\u1ed9t d\u1ecbch v\u1ee5 (FaaS) \u0111\u1ea1i di\u1ec7n cho m\u1ed9t danh m\u1ee5c d\u1ecbch v\u1ee5 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y cung c\u1ea5p n\u1ec1n t\u1ea3ng cho ph\u00e9p kh\u00e1ch h\u00e0ng ph\u00e1t tri\u1ec3n, ch\u1ea1y v\u00e0 qu\u1ea3n l\u00fd c\u00e1c ch\u1ee9c n\u0103ng \u1ee9ng d\u1ee5ng m\u00e0 kh\u00f4ng g\u1eb7p ph\u1ea3i s\u1ef1 ph\u1ee9c t\u1ea1p trong vi\u1ec7c x\u00e2y d\u1ef1ng v\u00e0 duy tr\u00ec c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn vi\u1ec7c ph\u00e1t tri\u1ec3n v\u00e0 kh\u1edfi ch\u1ea1y \u1ee9ng d\u1ee5ng. M\u1eabu ki\u1ebfn tr\u00fac n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi \u0111i\u1ec7n to\u00e1n kh\u00f4ng c\u00f3 m\u00e1y ch\u1ee7, n\u01a1i c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 t\u1eadp trung v\u00e0o vi\u1ec7c vi\u1ebft m\u00e3 \u1ee9ng d\u1ee5ng c\u1ee7a h\u1ecd v\u00e0 nh\u00e0 cung c\u1ea5p \u0111\u00e1m m\u00e2y qu\u1ea3n l\u00fd m\u00f4i tr\u01b0\u1eddng th\u1ef1c thi.<\/p>\n<h2>Truy t\u00ecm l\u1ecbch s\u1eed v\u00e0 ngu\u1ed3n g\u1ed1c c\u1ee7a ch\u1ee9c n\u0103ng nh\u01b0 m\u1ed9t d\u1ecbch v\u1ee5 (FaaS)<\/h2>\n<p>S\u1ef1 ra \u0111\u1eddi c\u1ee7a Ch\u1ee9c n\u0103ng nh\u01b0 m\u1ed9t D\u1ecbch v\u1ee5 (FaaS) c\u00f3 m\u1ed1i li\u00ean h\u1ec7 ch\u1eb7t ch\u1ebd v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y. S\u1ef1 ra \u0111\u1eddi c\u1ee7a \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 2000 \u0111\u00e3 \u0111\u01b0a C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng d\u01b0\u1edbi d\u1ea1ng d\u1ecbch v\u1ee5 (IaaS) v\u00e0 N\u1ec1n t\u1ea3ng d\u01b0\u1edbi d\u1ea1ng d\u1ecbch v\u1ee5 (PaaS) tr\u1edf th\u00e0nh t\u00e2m \u0111i\u1ec3m ch\u00fa \u00fd. Tuy nhi\u00ean, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u1eabn c\u1ea7n qu\u1ea3n l\u00fd m\u00e1y ch\u1ee7 \u1edf c\u1ea3 hai m\u00f4 h\u00ecnh, m\u1eb7c d\u00f9 \u00edt h\u01a1n v\u1edbi PaaS.<\/p>\n<p>B\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 \u0111\u1ebfn v\u00e0o n\u0103m 2014 khi Amazon Web Services (AWS) gi\u1edbi thi\u1ec7u AWS Lambda l\u00e0 n\u1ec1n t\u1ea3ng FaaS \u0111\u1ea7u ti\u00ean. N\u00f3 lo\u1ea1i b\u1ecf nhu c\u1ea7u c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n ph\u1ea3i lo l\u1eafng ho\u00e0n to\u00e0n v\u1ec1 m\u00e1y ch\u1ee7. Lambda cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n ch\u1ea1y m\u00e3 c\u1ee7a h\u1ecd \u0111\u1ec3 ph\u1ea3n h\u1ed3i c\u00e1c s\u1ef1 ki\u1ec7n nh\u01b0 thay \u0111\u1ed5i d\u1eef li\u1ec7u trong b\u1ed9 ch\u1ee9a Amazon S3 ho\u1eb7c c\u1eadp nh\u1eadt trong b\u1ea3ng Amazon DynamoDB. \u0110i\u1ec1u n\u00e0y \u0111\u00e1nh d\u1ea5u m\u1ed9t s\u1ef1 thay \u0111\u1ed5i mang t\u00ednh c\u00e1ch m\u1ea1ng trong c\u00e1ch x\u00e2y d\u1ef1ng v\u00e0 ph\u00e2n ph\u1ed1i c\u00e1c \u1ee9ng d\u1ee5ng.<\/p>\n<h2>\u0110i s\u00e2u h\u01a1n v\u00e0o ch\u1ee9c n\u0103ng nh\u01b0 m\u1ed9t d\u1ecbch v\u1ee5 (FaaS)<\/h2>\n<p>FaaS l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p kh\u00f4ng c\u00f3 m\u00e1y ch\u1ee7 \u0111\u1ec3 th\u1ef1c thi c\u00e1c \u0111o\u1ea1n m\u00e3 m\u00f4-\u0111un \u1edf bi\u00ean. Thay v\u00ec tri\u1ec3n khai to\u00e0n b\u1ed9 \u1ee9ng d\u1ee5ng ho\u1eb7c d\u1ecbch v\u1ee5, nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 th\u1ef1c thi c\u00e1c ph\u1ea7n ch\u1ee9c n\u0103ng nh\u1ecf \u0111\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t nhi\u1ec7m v\u1ee5 x\u00e1c \u0111\u1ecbnh. C\u00e1c ch\u1ee9c n\u0103ng n\u00e0y l\u00e0 &#039;kh\u00f4ng tr\u1ea1ng th\u00e1i&#039; v\u00ec ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ed3n t\u1ea1i trong th\u1eddi gian ng\u1eafn v\u00e0 th\u1ef1c thi trong m\u00f4i tr\u01b0\u1eddng kh\u00f4ng tr\u1ea1ng th\u00e1i. Nh\u00e0 cung c\u1ea5p \u0111\u00e1m m\u00e2y t\u1ef1 \u0111\u1ed9ng qu\u1ea3n l\u00fd c\u00e1c t\u00e0i nguy\u00ean h\u1ecd c\u1ea7n \u0111\u1ec3 ch\u1ea1y v\u00e0 m\u1edf r\u1ed9ng quy m\u00f4.<\/p>\n<p>C\u00e1c ch\u1ee9c n\u0103ng \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi c\u00e1c s\u1ef1 ki\u1ec7n nh\u01b0 y\u00eau c\u1ea7u HTTP, ho\u1ea1t \u0111\u1ed9ng c\u01a1 s\u1edf d\u1eef li\u1ec7u, h\u00e0ng \u0111\u1ee3i, l\u01b0u tr\u1eef, v.v. Nh\u00e0 cung c\u1ea5p th\u1ef1c thi ch\u1ee9c n\u0103ng v\u00e0 tr\u1ea3 v\u1ec1 k\u1ebft qu\u1ea3 sau khi ho\u00e0n th\u00e0nh th\u00e0nh c\u00f4ng. \u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a FaaS l\u00e0 b\u1ea1n ch\u1ec9 tr\u1ea3 ti\u1ec1n cho th\u1eddi gian x\u1eed l\u00fd th\u1ef1c t\u1ebf c\u1ee7a ch\u1ee9c n\u0103ng ch\u1ee9 kh\u00f4ng ph\u1ea3i c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u01a1 b\u1ea3n.<\/p>\n<h2>L\u00e0m s\u00e1ng t\u1ecf c\u1ea5u tr\u00fac b\u00ean trong v\u00e0 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a FaaS<\/h2>\n<p>Trong m\u00f4 h\u00ecnh FaaS, logic \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c ch\u1ee9c n\u0103ng ri\u00eang bi\u1ec7t. Ch\u00fang \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd b\u1edfi m\u1ed9t n\u1ec1n t\u1ea3ng c\u01a1 b\u1ea3n v\u00e0 th\u01b0\u1eddng kh\u00f4ng c\u00f3 tr\u1ea1ng th\u00e1i. Khi nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t s\u1ef1 ki\u1ec7n, n\u1ec1n t\u1ea3ng s\u1ebd nhanh ch\u00f3ng s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean \u0111\u1ec3 ch\u1ea1y ch\u1ee9c n\u0103ng, x\u1eed l\u00fd s\u1ef1 ki\u1ec7n v\u00e0 sau \u0111\u00f3 t\u1eaft t\u00e0i nguy\u00ean khi qu\u00e1 tr\u00ecnh x\u1eed l\u00fd ho\u00e0n t\u1ea5t.<\/p>\n<ol>\n<li><strong>Tr\u00ecnh k\u00edch ho\u1ea1t s\u1ef1 ki\u1ec7n<\/strong>: M\u1ed9t s\u1ef1 ki\u1ec7n nh\u01b0 y\u00eau c\u1ea7u HTTP, t\u1ea3i t\u1ec7p l\u00ean ho\u1eb7c thao t\u00e1c c\u01a1 s\u1edf d\u1eef li\u1ec7u s\u1ebd k\u00edch ho\u1ea1t ch\u1ee9c n\u0103ng n\u00e0y.<\/li>\n<li><strong>Kh\u1edfi t\u1ea1o h\u00e0m<\/strong>: Nh\u00e0 cung c\u1ea5p \u0111\u00e1m m\u00e2y chu\u1ea9n b\u1ecb ch\u1ee9c n\u0103ng \u0111\u1ec3 th\u1ef1c thi. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c kh\u1edfi \u0111\u1ed9ng m\u1ed9t v\u00f9ng ch\u1ee9a v\u00e0 t\u1ea3i m\u00e3 ch\u1ee9c n\u0103ng v\u00e0o \u0111\u00f3.<\/li>\n<li><strong>Ch\u1ea5p h\u00e0nh<\/strong>: H\u00e0m \u0111\u01b0\u1ee3c ch\u1ea1y v\u1edbi d\u1eef li\u1ec7u s\u1ef1 ki\u1ec7n \u0111\u01b0\u1ee3c cung c\u1ea5p.<\/li>\n<li><strong>Ph\u1ea3n \u1ee9ng<\/strong>: H\u00e0m x\u1eed l\u00fd d\u1eef li\u1ec7u s\u1ef1 ki\u1ec7n v\u00e0 tr\u1ea3 v\u1ec1 k\u1ebft qu\u1ea3. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 ho\u1eb7c c\u01a1 s\u1edf d\u1eef li\u1ec7u kh\u00e1c nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a qu\u00e1 tr\u00ecnh x\u1eed l\u00fd n\u00e0y.<\/li>\n<li><strong>T\u1eaft<\/strong>: Sau khi ch\u1ee9c n\u0103ng ch\u1ea1y xong, nh\u00e0 cung c\u1ea5p \u0111\u00e1m m\u00e2y s\u1ebd t\u1eaft c\u00e1c t\u00e0i nguy\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ea1y ch\u1ee9c n\u0103ng.<\/li>\n<\/ol>\n<h2>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Ch\u1ee9c n\u0103ng nh\u01b0 m\u1ed9t D\u1ecbch v\u1ee5 (FaaS)<\/h2>\n<ul>\n<li><strong>Theo h\u01b0\u1edbng s\u1ef1 ki\u1ec7n<\/strong>: C\u00e1c h\u00e0m \u0111\u01b0\u1ee3c th\u1ef1c thi \u0111\u1ec3 ph\u1ea3n h\u1ed3i l\u1ea1i c\u00e1c s\u1ef1 ki\u1ec7n ho\u1eb7c tr\u00ecnh k\u00edch ho\u1ea1t.<\/li>\n<li><strong>Kh\u00f4ng qu\u1ed1c t\u1ecbch<\/strong>: C\u00e1c h\u00e0m kh\u00f4ng gi\u1eef l\u1ea1i th\u00f4ng tin gi\u1eefa c\u00e1c l\u1ea7n th\u1ef1c thi.<\/li>\n<li><strong>C\u00f3 th\u1ec3 m\u1edf r\u1ed9ng<\/strong>: Nh\u00e0 cung c\u1ea5p \u0111\u00e1m m\u00e2y t\u1ef1 \u0111\u1ed9ng qu\u1ea3n l\u00fd vi\u1ec7c m\u1edf r\u1ed9ng quy m\u00f4 c\u1ee7a ch\u1ee9c n\u0103ng.<\/li>\n<li><strong>t\u1ed3n t\u1ea1i trong th\u1eddi gian ng\u1eafn<\/strong>: C\u00e1c ch\u1ee9c n\u0103ng d\u1ef1 ki\u1ebfn s\u1ebd kh\u1edfi \u0111\u1ed9ng nhanh, ch\u1ea1y trong th\u1eddi gian ng\u1eafn r\u1ed3i d\u1eebng.<\/li>\n<li><strong>Tr\u1ea3 m\u1ed7i l\u1ea7n s\u1eed d\u1ee5ng<\/strong>: \u0110\u1ecbnh gi\u00e1 d\u1ef1a tr\u00ean th\u1eddi gian t\u00ednh to\u00e1n th\u1ef1c t\u1ebf m\u00e0 h\u00e0m n\u00e0y s\u1eed d\u1ee5ng.<\/li>\n<\/ul>\n<h2>C\u00e1c lo\u1ea1i ch\u1ee9c n\u0103ng kh\u00e1c nhau nh\u01b0 m\u1ed9t d\u1ecbch v\u1ee5 (FaaS)<\/h2>\n<p>M\u1eb7c d\u00f9 kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u1ec1 FaaS v\u1eabn gi\u1eef nguy\u00ean nh\u01b0ng c\u00e1c nh\u00e0 cung c\u1ea5p \u0111\u00e1m m\u00e2y kh\u00e1c nhau cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m FaaS h\u01a1i kh\u00e1c nhau. M\u1ed9t s\u1ed1 trong nh\u1eefng c\u00e1i ph\u1ed5 bi\u1ebfn nh\u1ea5t bao g\u1ed3m:<\/p>\n<table>\n<thead>\n<tr>\n<th>C\u00e1c nh\u00e0 cung c\u1ea5p<\/th>\n<th>S\u1ea3n ph\u1ea9m FaaS<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>AWS<\/td>\n<td>Lambda<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u00e1m m\u00e2y c\u1ee7a Google<\/td>\n<td>Ch\u1ee9c n\u0103ng \u0111\u00e1m m\u00e2y<\/td>\n<\/tr>\n<tr>\n<td>Microsoft Azure<\/td>\n<td>Ch\u1ee9c n\u0103ng Azure<\/td>\n<\/tr>\n<tr>\n<td>IBM<\/td>\n<td>Ch\u1ee9c n\u0103ng \u0111\u00e1m m\u00e2y<\/td>\n<\/tr>\n<tr>\n<td>L\u1eddi ti\u00ean tri<\/td>\n<td>D\u1ef1 \u00e1n Fn<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng Ch\u1ee9c n\u0103ng nh\u01b0 m\u1ed9t D\u1ecbch v\u1ee5 (FaaS), V\u1ea5n \u0111\u1ec1 v\u00e0 Gi\u1ea3i ph\u00e1p<\/h2>\n<p>FaaS \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n ph\u1ea3n h\u1ed3i th\u00f4ng tin theo th\u1eddi gian th\u1ef1c ho\u1eb7c c\u00e1c y\u00eau c\u1ea7u r\u1eddi r\u1ea1c. V\u00ed d\u1ee5: n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd t\u1ec7p theo th\u1eddi gian th\u1ef1c, chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u ho\u1eb7c x\u1eed l\u00fd lu\u1ed3ng s\u1ef1 ki\u1ec7n. Tuy nhi\u00ean, c\u00f3 nh\u1eefng th\u00e1ch th\u1ee9c ti\u1ec1m \u1ea9n li\u00ean quan \u0111\u1ebfn gi\u1edbi h\u1ea1n th\u1eddi gian th\u1ef1c hi\u1ec7n, qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i, ki\u1ec3m th\u1eed v\u00e0 g\u1ee1 l\u1ed7i. C\u00e1c gi\u1ea3i ph\u00e1p bao g\u1ed3m thi\u1ebft k\u1ebf c\u1ea9n th\u1eadn m\u00e3 ch\u1ee9c n\u0103ng \u0111\u1ec3 tu\u00e2n th\u1ee7 gi\u1edbi h\u1ea1n th\u1eddi gian th\u1ef1c thi v\u00e0 s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y b\u1ed5 sung \u0111\u1ec3 qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i.<\/p>\n<h2>So s\u00e1nh v\u1edbi c\u00e1c kh\u00e1i ni\u1ec7m t\u01b0\u01a1ng t\u1ef1<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u00dd t\u01b0\u1edfng<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>FaaS<\/td>\n<td>Nh\u00e0 ph\u00e1t tri\u1ec3n cung c\u1ea5p m\u00e3 ch\u1ee9c n\u0103ng. N\u1ec1n t\u1ea3ng t\u1ef1 \u0111\u1ed9ng x\u1eed l\u00fd t\u1ea5t c\u1ea3 c\u00e1c c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng.<\/td>\n<\/tr>\n<tr>\n<td>IaaS<\/td>\n<td>Nh\u00e0 ph\u00e1t tri\u1ec3n qu\u1ea3n l\u00fd \u1ee9ng d\u1ee5ng, d\u1eef li\u1ec7u, th\u1eddi gian ch\u1ea1y v\u00e0 ph\u1ea7n m\u1ec1m trung gian. Nh\u00e0 cung c\u1ea5p x\u1eed l\u00fd \u1ea3o h\u00f3a, m\u00e1y ch\u1ee7, l\u01b0u tr\u1eef v\u00e0 k\u1ebft n\u1ed1i m\u1ea1ng.<\/td>\n<\/tr>\n<tr>\n<td>PaaS<\/td>\n<td>C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n qu\u1ea3n l\u00fd c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 d\u1eef li\u1ec7u. Nh\u00e0 cung c\u1ea5p x\u1eed l\u00fd th\u1eddi gian ch\u1ea1y, ph\u1ea7n m\u1ec1m trung gian, h\u1ec7 \u0111i\u1ec1u h\u00e0nh, \u1ea3o h\u00f3a, m\u00e1y ch\u1ee7, l\u01b0u tr\u1eef v\u00e0 k\u1ebft n\u1ed1i m\u1ea1ng.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn FaaS<\/h2>\n<p>FaaS c\u00f3 th\u1ec3 s\u1ebd ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n v\u1edbi h\u1ec7 sinh th\u00e1i kh\u00f4ng c\u00f3 m\u00e1y ch\u1ee7 r\u1ed9ng l\u1edbn h\u01a1n. Nh\u1eefng ti\u1ebfn b\u1ed9 trong \u0111i\u1ec7n to\u00e1n bi\u00ean c\u00f3 th\u1ec3 th\u1ea5y FaaS tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn h\u01a1n \u1edf bi\u00ean m\u1ea1ng, g\u1ea7n h\u01a1n v\u1edbi c\u00e1c ngu\u1ed3n d\u1eef li\u1ec7u. H\u01a1n n\u1eefa, ch\u00fang ta c\u00f3 th\u1ec3 th\u1ea5y nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng kh\u00f4ng c\u00f3 m\u00e1y ch\u1ee7 k\u1ebft h\u1ee3p h\u01a1n trong \u0111\u00f3 FaaS \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p v\u1edbi c\u00e1c m\u00f4 h\u00ecnh \u0111i\u1ec7n to\u00e1n kh\u00e1c cho c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a \u1ee9ng d\u1ee5ng.<\/p>\n<h2>Vai tr\u00f2 c\u1ee7a M\u00e1y ch\u1ee7 proxy trong Ch\u1ee9c n\u0103ng nh\u01b0 m\u1ed9t D\u1ecbch v\u1ee5 (FaaS)<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 trong FaaS b\u1eb1ng c\u00e1ch \u0111\u00f3ng vai tr\u00f2 trung gian cho c\u00e1c y\u00eau c\u1ea7u t\u1eeb kh\u00e1ch h\u00e0ng \u0111ang t\u00ecm ki\u1ebfm t\u00e0i nguy\u00ean t\u1eeb c\u00e1c m\u00e1y ch\u1ee7 kh\u00e1c. H\u1ecd c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t, cung c\u1ea5p b\u1ea3o m\u1eadt v\u00e0 duy tr\u00ec t\u00ednh \u1ea9n danh. Trong ng\u1eef c\u1ea3nh FaaS, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u k\u00edch ho\u1ea1t c\u00e1c ch\u1ee9c n\u0103ng, cung c\u1ea5p kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t, ghi nh\u1eadt k\u00fd v\u00e0 s\u1eeda \u0111\u1ed5i b\u1ed5 sung.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ol>\n<li><a href=\"https:\/\/aws.amazon.com\/lambda\/\" target=\"_new\" rel=\"noopener nofollow\">AWS Lambda<\/a><\/li>\n<li><a href=\"https:\/\/cloud.google.com\/functions\" target=\"_new\" rel=\"noopener nofollow\">Ch\u1ee9c n\u0103ng \u0111\u00e1m m\u00e2y c\u1ee7a Google<\/a><\/li>\n<li><a href=\"https:\/\/azure.microsoft.com\/en-us\/services\/functions\/\" target=\"_new\" rel=\"noopener nofollow\">Ch\u1ee9c n\u0103ng Microsoft Azure<\/a><\/li>\n<li><a href=\"https:\/\/www.ibm.com\/cloud\/functions\" target=\"_new\" rel=\"noopener nofollow\">C\u00e1c ch\u1ee9c n\u0103ng \u0111\u00e1m m\u00e2y c\u1ee7a IBM<\/a><\/li>\n<li><a href=\"https:\/\/www.fnproject.io\/\" target=\"_new\" rel=\"noopener nofollow\">D\u1ef1 \u00e1n Oracle Fn<\/a><\/li>\n<\/ol>","protected":false},"featured_media":468453,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477313","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>A Comprehensive Guide to Function as a Service (FaaS)<\/mark>","faq_items":[{"question":"What is Function as a Service (FaaS)?","answer":"<p>Function as a Service (FaaS) is a category of cloud computing services that provides a platform for developers to build, run, and manage applications without having to deal with the complexity of building and maintaining the underlying infrastructure. It's an integral part of serverless computing where the cloud provider manages the execution environment.<\/p>"},{"question":"When and where did Function as a Service (FaaS) originate?","answer":"<p>Function as a Service (FaaS) originated with the evolution of cloud computing, specifically with the introduction of AWS Lambda by Amazon Web Services in 2014. This was the first FaaS platform that allowed developers to run their code in response to events without the need to manage servers.<\/p>"},{"question":"How does Function as a Service (FaaS) work?","answer":"<p>FaaS operates by executing modular bits of code in response to certain triggers or events such as HTTP requests, database operations, or storage changes. The cloud provider manages the resources required for running and scaling these functions. The developers only need to focus on writing the code for these functions.<\/p>"},{"question":"What are the key features of Function as a Service (FaaS)?","answer":"<p>The key features of FaaS include its event-driven nature, statelessness, scalability, short-lived functions, and pay-per-use pricing model. These features eliminate the need for developers to manage servers or pay for idle compute time.<\/p>"},{"question":"What are the types of Function as a Service (FaaS)?","answer":"<p>Different cloud providers offer slightly different FaaS products. Some of the popular ones include AWS Lambda, Google Cloud Functions, Microsoft Azure Functions, IBM Cloud Functions, and Oracle Fn Project.<\/p>"},{"question":"How is Function as a Service (FaaS) used and what are its potential problems?","answer":"<p>FaaS is typically used for applications that need to respond to real-time information or sporadic requests. It can be used for real-time file processing, data transformation, or event stream processing. Potential challenges can arise related to execution time limits, state management, testing, and debugging.<\/p>"},{"question":"How does Function as a Service (FaaS) compare to other cloud computing models?","answer":"<p>In contrast to Infrastructure as a Service (IaaS) and Platform as a Service (PaaS), where developers have to manage certain aspects of the servers, FaaS provides a platform where developers only need to focus on writing the application's code. The cloud provider takes care of all the infrastructure management.<\/p>"},{"question":"What future developments can be expected in the field of Function as a Service (FaaS)?","answer":"<p>Advancements in FaaS are likely to occur alongside the evolution of the broader serverless ecosystem. This includes potential expansion in edge computing, leading to FaaS becoming more prevalent at the network's edge, and the development of more hybrid serverless environments.<\/p>"},{"question":"How can proxy servers be used with Function as a Service (FaaS)?","answer":"<p>Proxy servers can act as intermediaries for requests from clients seeking resources from other servers in a FaaS context. They can handle requests that trigger functions, offering additional control, logging, and modification capabilities while also improving performance, providing security, and maintaining anonymity.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477313","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477313\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/468453"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=477313"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}