{"id":476866,"date":"2023-08-09T09:04:34","date_gmt":"2023-08-09T09:04:34","guid":{"rendered":""},"modified":"2023-09-05T11:13:36","modified_gmt":"2023-09-05T11:13:36","slug":"distributed-system","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/distributed-system\/","title":{"rendered":"H\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i"},"content":{"rendered":"<p>H\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t nh\u00f3m c\u00e1c m\u00e1y t\u00ednh \u0111\u1ed9c l\u1eadp \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i qua m\u1ea1ng v\u00e0 ph\u1ea7n m\u1ec1m ph\u00e2n t\u00e1n, ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau nh\u01b0 m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ch l\u1ea1c duy nh\u1ea5t. Ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng nh\u01b0 m\u1ed9t th\u1ef1c th\u1ec3 th\u1ed1ng nh\u1ea5t, th\u01b0\u1eddng kh\u00f4ng nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c s\u1ef1 ph\u1ee9c t\u1ea1p ti\u1ec1m \u1ea9n c\u1ee7a nhi\u1ec1u m\u00e1y \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi nhau. B\u00e0i vi\u1ebft n\u00e0y nh\u1eb1m m\u1ee5c \u0111\u00edch \u0111i s\u00e2u v\u00e0o kh\u00e1i ni\u1ec7m h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n, l\u1ecbch s\u1eed, lo\u1ea1i, c\u00e1ch s\u1eed d\u1ee5ng, so s\u00e1nh v\u1edbi c\u00e1c kh\u00e1i ni\u1ec7m t\u01b0\u01a1ng t\u1ef1, tri\u1ec3n v\u1ecdng trong t\u01b0\u01a1ng lai v\u00e0 m\u1ed1i quan h\u1ec7 c\u1ee7a ch\u00fang v\u1edbi m\u00e1y ch\u1ee7 proxy.<\/p>\n<h2>Ngu\u1ed3n g\u1ed1c c\u1ee7a h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n<\/h2>\n<p>Kh\u00e1i ni\u1ec7m h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n xu\u1ea5t hi\u1ec7n t\u1eeb nh\u1eefng ti\u1ebfn b\u1ed9 trong c\u00f4ng ngh\u1ec7 m\u1ea1ng trong nh\u1eefng n\u0103m 1960 v\u00e0 1970. S\u1ef1 ph\u1ed5 bi\u1ebfn c\u1ee7a Internet, c\u00f9ng v\u1edbi kh\u1ea3 n\u0103ng t\u0103ng l\u00ean v\u00e0 gi\u00e1 th\u00e0nh c\u1ee7a m\u00e1y t\u00ednh c\u00e1 nh\u00e2n gi\u1ea3m, \u0111\u00e3 d\u1eabn \u0111\u1ebfn s\u1ef1 chuy\u1ec3n \u0111\u1ed5i m\u00f4 h\u00ecnh t\u1eeb h\u1ec7 th\u1ed1ng t\u1eadp trung sang h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n. Tuy nhi\u00ean, thu\u1eadt ng\u1eef \u201cH\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n\u201d l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c Paul Baran ghi l\u1ea1i ch\u00ednh th\u1ee9c trong m\u1ed9t b\u00e0i b\u00e1o v\u00e0o n\u0103m 1962, n\u01a1i \u00f4ng th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1c m\u1ea1ng truy\u1ec1n th\u00f4ng ph\u00e2n t\u00e1n.<\/p>\n<p>Vi\u1ec7c tri\u1ec3n khai h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n trong th\u1ebf gi\u1edbi th\u1ef1c \u0111\u1ea7u ti\u00ean l\u00e0 ARPANET (M\u1ea1ng l\u01b0\u1edbi c\u01a1 quan d\u1ef1 \u00e1n nghi\u00ean c\u1ee9u n\u00e2ng cao), ti\u1ec1n th\u00e2n c\u1ee7a internet hi\u1ec7n \u0111\u1ea1i. Ban \u0111\u1ea7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chia s\u1ebb t\u00e0i nguy\u00ean gi\u1eefa c\u00e1c tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc v\u00e0 t\u1ed5 ch\u1ee9c nghi\u00ean c\u1ee9u, n\u00f3 t\u1ea1o ti\u1ec1n \u0111\u1ec1 cho c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n trong t\u01b0\u01a1ng lai.<\/p>\n<h2>\u0110i s\u00e2u v\u00e0o h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n<\/h2>\n<p>H\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n cho ph\u00e9p chia s\u1ebb t\u00e0i nguy\u00ean, t\u0103ng t\u1ed1c \u0111\u1ed9 t\u00ednh to\u00e1n, \u0111\u1ed9 tin c\u1eady v\u00e0 li\u00ean l\u1ea1c. Nguy\u00ean t\u1eafc then ch\u1ed1t \u0111\u1eb1ng sau m\u1ed9t h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n l\u00e0 n\u00f3 xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng m\u1ed9t h\u1ec7 th\u1ed1ng th\u1ed1ng nh\u1ea5t, duy nh\u1ea5t \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i, m\u1eb7c d\u00f9 n\u00f3 bao g\u1ed3m nhi\u1ec1u m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c n\u1ed1i m\u1ea1ng.<\/p>\n<p>M\u1ed9t h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n c\u00f3 th\u1ec3 tr\u1ea3i r\u1ed9ng kh\u1eafp m\u1ed9t c\u0103n ph\u00f2ng, m\u1ed9t t\u00f2a nh\u00e0 ho\u1eb7c th\u1eadm ch\u00ed to\u00e0n c\u1ea7u. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c nh\u01b0 ng\u00e2n h\u00e0ng, vi\u1ec5n th\u00f4ng, v\u1eadn t\u1ea3i v\u00e0 d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y.<\/p>\n<h2>Ho\u1ea1t \u0111\u1ed9ng b\u00ean trong c\u1ee7a h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n<\/h2>\n<p>Trong m\u1ed9t h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n, nhi\u1ec1u n\u00fat (m\u00e1y t\u00ednh) \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i qua m\u1ea1ng. M\u1ed7i n\u00fat n\u00e0y ch\u1ea1y ph\u1ea7n m\u1ec1m c\u1ee5c b\u1ed9 c\u1ee7a ri\u00eang m\u00ecnh v\u00e0 ch\u00fang l\u00e0m vi\u1ec7c c\u00f9ng nhau \u0111\u1ec3 ho\u00e0n th\u00e0nh m\u1ed9t m\u1ee5c ti\u00eau chung. C\u00e1c n\u00fat giao ti\u1ebfp v\u1edbi nhau th\u00f4ng qua vi\u1ec7c truy\u1ec1n tin nh\u1eafn.<\/p>\n<p>Ki\u1ebfn tr\u00fac c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng b\u1edfi c\u00e1c m\u00f4 h\u00ecnh client-server ho\u1eb7c ngang h\u00e0ng. Trong m\u00f4 h\u00ecnh m\u00e1y kh\u00e1ch-m\u00e1y ch\u1ee7, m\u1ed9t ho\u1eb7c nhi\u1ec1u m\u00e1y \u0111\u00f3ng vai tr\u00f2 l\u00e0 m\u00e1y ch\u1ee7 cung c\u1ea5p d\u1ecbch v\u1ee5 v\u00e0 c\u00e1c m\u00e1y kh\u00e1c \u0111\u00f3ng vai tr\u00f2 l\u00e0 m\u00e1y kh\u00e1ch s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 \u0111\u00f3. Trong m\u00f4 h\u00ecnh ngang h\u00e0ng, t\u1ea5t c\u1ea3 c\u00e1c n\u00fat \u0111\u1ec1u b\u00ecnh \u0111\u1eb3ng v\u00e0 m\u1ed7i n\u00fat c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7.<\/p>\n<h2>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n<\/h2>\n<ol>\n<li><strong>\u0110\u1ed3ng th\u1eddi:<\/strong> Nhi\u1ec1u m\u00e1y th\u1ef1c hi\u1ec7n \u0111\u1ed3ng th\u1eddi c\u00e1c nhi\u1ec7m v\u1ee5, mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng:<\/strong> H\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng b\u1eb1ng c\u00e1ch b\u1ed5 sung th\u00eam m\u00e1y m\u00f3c khi kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c t\u0103ng l\u00ean.<\/li>\n<li><strong>Dung sai l\u1ed7i:<\/strong> Ngay c\u1ea3 khi m\u1ed9t m\u00e1y b\u1ecb h\u1ecfng, h\u1ec7 th\u1ed1ng v\u1eabn ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<li><strong>Minh b\u1ea1ch:<\/strong> \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i, h\u1ec7 th\u1ed1ng xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng m\u1ed9t th\u1ef1c th\u1ec3 th\u1ed1ng nh\u1ea5t, duy nh\u1ea5t.<\/li>\n<li><strong>Chia s\u1ebb t\u00e0i nguy\u00ean:<\/strong> C\u00e1c t\u00e0i nguy\u00ean nh\u01b0 l\u01b0u tr\u1eef, chu k\u1ef3 CPU v\u00e0 d\u1ecbch v\u1ee5 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia s\u1ebb tr\u00ean to\u00e0n h\u1ec7 th\u1ed1ng.<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n<\/h2>\n<p>C\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh b\u1ed1n lo\u1ea1i:<\/p>\n<ol>\n<li><strong>H\u1ec7 th\u1ed1ng c\u1ee5m:<\/strong> Bao g\u1ed3m t\u1eadp h\u1ee3p c\u00e1c m\u00e1y \u0111\u01b0\u1ee3c \u0111\u1eb7t g\u1ea7n nhau \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i b\u1eb1ng m\u1ea1ng c\u1ee5c b\u1ed9 (LAN).<\/li>\n<li><strong>H\u1ec7 th\u1ed1ng l\u01b0\u1edbi:<\/strong> Bao g\u1ed3m c\u00e1c m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c gh\u00e9p n\u1ed1i l\u1ecfng l\u1ebbo c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 v\u00e0 k\u1ebft n\u1ed1i theo \u0111\u1ecba l\u00fd b\u1eb1ng m\u1ea1ng di\u1ec7n r\u1ed9ng (WAN).<\/li>\n<li><strong>H\u1ec7 th\u1ed1ng \u0111\u00e1m m\u00e2y:<\/strong> Cung c\u1ea5p c\u00e1c t\u00e0i nguy\u00ean c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng v\u00e0 \u1ea3o h\u00f3a nh\u01b0 m\u1ed9t d\u1ecbch v\u1ee5 qua internet.<\/li>\n<li><strong>H\u1ec7 th\u1ed1ng \u0111a l\u00f5i:<\/strong> H\u1ec7 th\u1ed1ng \u0111a b\u1ed9 x\u1eed l\u00fd c\u00f3 kh\u1ea3 n\u0103ng t\u00ednh to\u00e1n \u0111\u1ed3ng th\u1eddi.<\/li>\n<\/ol>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>Ph\u00e2n b\u1ed1 \u0111\u1ecba l\u00fd<\/th>\n<th>M\u1ea1ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>H\u1ec7 th\u1ed1ng c\u1ee5m<\/td>\n<td>N\u1eb1m g\u1ea7n<\/td>\n<td>m\u1ea1ng LAN<\/td>\n<\/tr>\n<tr>\n<td>H\u1ec7 th\u1ed1ng l\u01b0\u1edbi<\/td>\n<td>Ph\u00e2n b\u1ed1 theo \u0111\u1ecba l\u00fd<\/td>\n<td>WAN<\/td>\n<\/tr>\n<tr>\n<td>H\u1ec7 th\u1ed1ng \u0111\u00e1m m\u00e2y<\/td>\n<td>To\u00e0n c\u1ea7u<\/td>\n<td>Internet<\/td>\n<\/tr>\n<tr>\n<td>H\u1ec7 th\u1ed1ng \u0111a l\u00f5i<\/td>\n<td>M\u00e1y \u0111\u01a1n c\u00f3 nhi\u1ec1u l\u00f5i<\/td>\n<td>\u0110\u1ecba ph\u01b0\u01a1ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng, v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p trong h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n<\/h2>\n<p>H\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n c\u00f3 c\u00e1c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i bao g\u1ed3m d\u1ecbch v\u1ee5 web, tr\u00f2 ch\u01a1i tr\u1ef1c tuy\u1ebfn, c\u01a1 s\u1edf d\u1eef li\u1ec7u ph\u00e2n t\u00e1n v\u00e0 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y, c\u00f9ng nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c.<\/p>\n<p>Tuy nhi\u00ean, ch\u00fang c\u0169ng \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c ri\u00eang:<\/p>\n<ol>\n<li><strong>S\u1ef1 c\u1ed1 m\u1ea1ng:<\/strong> \u0110\u1ed9 tr\u1ec5 v\u00e0 ph\u00e2n v\u00f9ng m\u1ea1ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n<li><strong>C\u00e1c v\u1ea5n \u0111\u1ec1 \u0111\u1ed3ng th\u1eddi:<\/strong> Vi\u1ec7c th\u1ef1c hi\u1ec7n \u0111\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c ho\u1ea1t \u0111\u1ed9ng xung \u0111\u1ed9t.<\/li>\n<li><strong>V\u00e2n \u0111\u00ea ba\u0309o m\u00e2\u0323t:<\/strong> C\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n d\u1ec5 g\u1eb7p ph\u1ea3i c\u00e1c m\u1ed1i \u0111e d\u1ecda b\u1ea3o m\u1eadt h\u01a1n.<\/li>\n<\/ol>\n<p>Gi\u1ea3i ph\u00e1p cho nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn nhi\u1ec1u chi\u1ebfn l\u01b0\u1ee3c kh\u00e1c nhau nh\u01b0 b\u0103m nh\u1ea5t qu\u00e1n \u0111\u1ec3 ph\u00e2n ph\u1ed1i d\u1eef li\u1ec7u, thu\u1eadt to\u00e1n \u0111\u1ed3ng thu\u1eadn \u0111\u1ec3 duy tr\u00ec t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a d\u1eef li\u1ec7u v\u00e0 s\u1eed d\u1ee5ng c\u00e1c giao th\u1ee9c b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd.<\/p>\n<h2>So s\u00e1nh v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh<\/h2>\n<p>C\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n c\u00f3 li\u00ean quan ch\u1eb7t ch\u1ebd nh\u01b0ng v\u1eabn kh\u00e1c bi\u1ec7t v\u1edbi c\u00e1c kh\u00e1i ni\u1ec7m nh\u01b0 h\u1ec7 th\u1ed1ng song song, h\u1ec7 th\u1ed1ng n\u1ed1i m\u1ea1ng v\u00e0 h\u1ec7 th\u1ed1ng \u0111\u1ed3ng th\u1eddi. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t so s\u00e1nh:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u00dd t\u01b0\u1edfng<\/th>\n<th>S\u1ef1 \u0111\u1ecbnh ngh\u0129a<\/th>\n<th>S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>H\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i<\/td>\n<td>Nhi\u1ec1u n\u00fat l\u00e0m vi\u1ec7c c\u00f9ng nhau nh\u01b0 m\u1ed9t h\u1ec7 th\u1ed1ng duy nh\u1ea5t<\/td>\n<td>Ph\u00e2n t\u00e1n \u0111\u1ecba l\u00fd, c\u00e1c n\u00fat t\u1ef1 tr\u1ecb<\/td>\n<\/tr>\n<tr>\n<td>H\u1ec7 th\u1ed1ng song song<\/td>\n<td>Nhi\u1ec1u b\u1ed9 x\u1eed l\u00fd l\u00e0m vi\u1ec7c c\u00f9ng nhau tr\u00ean m\u1ed9t t\u00e1c v\u1ee5<\/td>\n<td>H\u00ecnh \u1ea3nh h\u1ec7 th\u1ed1ng \u0111\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>H\u1ec7 th\u1ed1ng n\u1ed1i m\u1ea1ng<\/td>\n<td>Nhi\u1ec1u m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i qua m\u1ea1ng<\/td>\n<td>Thi\u1ebfu m\u1ee9c \u0111\u1ed9 h\u1ee3p t\u00e1c \u0111\u01b0\u1ee3c th\u1ea5y trong c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n<\/td>\n<\/tr>\n<tr>\n<td>H\u1ec7 th\u1ed1ng \u0111\u1ed3ng th\u1eddi<\/td>\n<td>Nhi\u1ec1u nhi\u1ec7m v\u1ee5 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong c\u00f9ng m\u1ed9t kho\u1ea3ng th\u1eddi gian<\/td>\n<td>Kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i n\u1ed1i m\u1ea1ng ho\u1eb7c ph\u00e2n ph\u1ed1i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai<\/h2>\n<p>T\u01b0\u01a1ng lai c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n g\u1eafn li\u1ec1n v\u1edbi nh\u1eefng ti\u1ebfn b\u1ed9 trong \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y, IoT, \u0111i\u1ec7n to\u00e1n bi\u00ean v\u00e0 h\u1ecdc m\u00e1y. C\u00f4ng ngh\u1ec7 s\u1ed5 c\u00e1i ph\u00e2n t\u00e1n, nh\u01b0 blockchain, \u0111\u1ea1i di\u1ec7n cho m\u1ed9t l\u0129nh v\u1ef1c th\u00fa v\u1ecb kh\u00e1c v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng ti\u1ec1m n\u0103ng ngo\u00e0i ti\u1ec1n \u0111i\u1ec7n t\u1eed.<\/p>\n<h2>M\u00e1y ch\u1ee7 proxy v\u00e0 h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n<\/h2>\n<p>C\u00e1c m\u00e1y ch\u1ee7 proxy, gi\u1ed1ng nh\u01b0 c\u00e1c m\u00e1y ch\u1ee7 do OneProxy cung c\u1ea5p, \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n. Ch\u00fang c\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u1ed5ng k\u1ebft n\u1ed1i gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 Internet, cung c\u1ea5p t\u00ednh b\u1ea3o m\u1eadt, \u1ea9n danh v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t. Ch\u00fang c\u0169ng c\u00f3 th\u1ec3 gi\u00fap c\u00e2n b\u1eb1ng t\u1ea3i tr\u00ean to\u00e0n h\u1ec7 th\u1ed1ng, ph\u00e2n ph\u1ed1i l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean c\u00e1c m\u00e1y ch\u1ee7, do \u0111\u00f3 ng\u0103n kh\u00f4ng cho b\u1ea5t k\u1ef3 m\u00e1y ch\u1ee7 n\u00e0o tr\u1edf th\u00e0nh n\u00fat c\u1ed5 chai.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ol>\n<li><a href=\"https:\/\/www.amazon.com\/Distributed-Systems-Concepts-George-Coulouris\/dp\/0132143011\" target=\"_new\" rel=\"noopener nofollow\">H\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n: Kh\u00e1i ni\u1ec7m v\u00e0 thi\u1ebft k\u1ebf<\/a><\/li>\n<li><a href=\"http:\/\/book.mixu.net\/distsys\/\" target=\"_new\" rel=\"noopener nofollow\">H\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i \u0111\u1ec3 gi\u1ea3i tr\u00ed v\u00e0 ki\u1ebfm l\u1ee3i nhu\u1eadn<\/a><\/li>\n<li><a href=\"https:\/\/www.freecodecamp.org\/news\/a-thorough-introduction-to-distributed-systems-3b91562c9b3c\/\" target=\"_new\" rel=\"noopener nofollow\">Gi\u1edbi thi\u1ec7u k\u1ef9 l\u01b0\u1ee1ng v\u1ec1 h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n<\/a><\/li>\n<\/ol>\n<p>H\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n \u0111\u1ea1i di\u1ec7n cho m\u1ed9t l\u0129nh v\u1ef1c quan tr\u1ecdng c\u1ee7a khoa h\u1ecdc m\u00e1y t\u00ednh v\u1edbi vai tr\u00f2 ng\u00e0y c\u00e0ng t\u0103ng trong x\u00e3 h\u1ed9i k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a ch\u00fang ta. Khi ch\u00fang ta ti\u1ebfp t\u1ee5c s\u1ed1 h\u00f3a th\u1ebf gi\u1edbi c\u1ee7a m\u00ecnh, vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c s\u1eafc th\u00e1i c\u1ee7a h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n s\u1ebd ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng h\u01a1n. OneProxy, th\u00f4ng qua vi\u1ec7c cung c\u1ea5p c\u00e1c m\u00e1y ch\u1ee7 proxy m\u1ea1nh m\u1ebd v\u00e0 \u0111\u00e1ng tin c\u1eady, s\u1eb5n s\u00e0ng h\u1ed7 tr\u1ee3 h\u00e0nh tr\u00ecnh n\u00e0y.<\/p>","protected":false},"featured_media":476867,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476866","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Distributed Systems: An Overview<\/mark>","faq_items":[{"question":"What is a distributed system?","answer":"<p>A distributed system is a group of independent computers connected via a network and distributed software, working together as a single coherent system. Users interact with the system as a unified entity, often unaware of the underlying complexity of multiple interconnected machines.<\/p>"},{"question":"When did the concept of distributed systems first emerge?","answer":"<p>The concept of distributed systems emerged from the advancements in networking technologies in the 1960s and 1970s. The term \"Distributed Systems\" was first officially documented in a paper by Paul Baran in 1962.<\/p>"},{"question":"What are some key features of distributed systems?","answer":"<p>Key features of distributed systems include concurrency, where multiple machines execute tasks simultaneously, scalability, allowing for system expansion by adding more machines, fault tolerance, enabling the system to operate even if one machine fails, transparency, making the system appear as a single entity to the end-user, and resource sharing.<\/p>"},{"question":"What are the types of distributed systems?","answer":"<p>Distributed systems can be classified into cluster systems, which are closely located collections of machines connected by a local area network (LAN), grid systems, comprising loosely coupled computers that may be geographically distributed and connected by a wide area network (WAN), cloud systems, which provide scalable and virtualized resources as a service over the internet, and multicore systems, multi-processor systems capable of concurrent computations.<\/p>"},{"question":"What are some challenges faced by distributed systems?","answer":"<p>Distributed systems face challenges like network issues, which can affect the system's performance and reliability, concurrency issues that can lead to conflicting operations, and security issues, as distributed systems are more exposed to security threats.<\/p>"},{"question":"How do proxy servers play a role in distributed systems?","answer":"<p>Proxy servers, like those provided by OneProxy, play a crucial role in distributed systems. They serve as a gateway between users and the internet, providing security, anonymity, and improved performance. They also help in load balancing across the system, distributing network traffic evenly across servers, thus preventing any single server from becoming a bottleneck.<\/p>"},{"question":"What is the future perspective of distributed systems?","answer":"<p>The future of distributed systems is closely tied to advancements in cloud computing, IoT, edge computing, and machine learning. Distributed ledger technology, like blockchain, represents another exciting area with potential applications beyond cryptocurrencies.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476866","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\/476866\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/476867"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=476866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}