{"id":478319,"date":"2023-08-09T09:30:51","date_gmt":"2023-08-09T09:30:51","guid":{"rendered":""},"modified":"2024-08-14T15:41:10","modified_gmt":"2024-08-14T15:41:10","slug":"packet-loss","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/packet-loss\/","title":{"rendered":"M\u1ea5t g\u00f3i"},"content":{"rendered":"<p>M\u1ea5t g\u00f3i l\u00e0 m\u1ed1i quan t\u00e2m \u0111\u00e1ng k\u1ec3 trong m\u1ea1ng m\u00e1y t\u00ednh, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u qua internet. N\u00f3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c m\u1ea5t c\u00e1c g\u00f3i d\u1eef li\u1ec7u trong su\u1ed1t h\u00e0nh tr\u00ecnh t\u1eeb ngu\u1ed3n \u0111\u1ebfn \u0111\u00edch trong m\u1ea1ng. C\u00e1c g\u00f3i n\u00e0y ch\u1ee9a nh\u1eefng th\u00f4ng tin quan tr\u1ecdng c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e2n ph\u1ed1i d\u1eef li\u1ec7u th\u00e0nh c\u00f4ng tr\u00ean m\u1ea1ng. Vi\u1ec7c m\u1ea5t g\u00f3i c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn suy gi\u1ea3m hi\u1ec7u su\u1ea5t m\u1ea1ng, g\u00e2y ra c\u00e1c s\u1ef1 c\u1ed1 nh\u01b0 truy\u1ec1n l\u1ea1i d\u1eef li\u1ec7u, gi\u1ea3m th\u00f4ng l\u01b0\u1ee3ng v\u00e0 cu\u1ed1i c\u00f9ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a vi\u1ec7c m\u1ea5t g\u00f3i v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u00f3<\/h2>\n<p>Kh\u00e1i ni\u1ec7m m\u1ea5t g\u00f3i xu\u1ea5t hi\u1ec7n c\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a m\u1ea1ng m\u00e1y t\u00ednh v\u00e0 giao th\u1ee9c truy\u1ec1n d\u1eef li\u1ec7u. Trong nh\u1eefng ng\u00e0y \u0111\u1ea7u c\u1ee7a m\u1ea1ng, d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ea1ng chuy\u1ec3n m\u1ea1ch trong \u0111\u00f3 k\u1ebft n\u1ed1i chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp gi\u1eefa ngu\u1ed3n v\u00e0 \u0111\u00edch. Tuy nhi\u00ean, v\u1edbi s\u1ef1 ra \u0111\u1eddi c\u1ee7a m\u1ea1ng chuy\u1ec3n m\u1ea1ch g\u00f3i, d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c g\u00f3i nh\u1ecf h\u01a1n, \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn ri\u00eang l\u1ebb qua m\u1ea1ng.<\/p>\n<p>Vi\u1ec7c \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ea5t g\u00f3i \u0111\u1ea7u ti\u00ean c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb nh\u1eefng n\u0103m 1970 khi Giao th\u1ee9c th\u00f4ng b\u00e1o \u0111i\u1ec1u khi\u1ec3n Internet (ICMP) \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u. ICMP \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 cung c\u1ea5p b\u00e1o c\u00e1o v\u00e0 ch\u1ea9n \u0111o\u00e1n l\u1ed7i cho m\u1ea1ng IP. N\u00f3 bao g\u1ed3m c\u00e1c t\u00ednh n\u0103ng nh\u01b0 \u201cping\u201d, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng ki\u1ec3m tra kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i c\u1ee7a m\u00e1y ch\u1ee7 v\u00e0 \u0111o th\u1eddi gian kh\u1ee9 h\u1ed3i. M\u1ea5t g\u00f3i \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t th\u01b0\u1edbc \u0111o quan tr\u1ecdng trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u1ea1ng.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 m\u1ea5t g\u00f3i: M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1<\/h2>\n<p>M\u1ea5t g\u00f3i x\u1ea3y ra khi m\u1ed9t ho\u1eb7c nhi\u1ec1u g\u00f3i d\u1eef li\u1ec7u kh\u00f4ng \u0111\u1ebfn \u0111\u01b0\u1ee3c \u0111\u00edch d\u1ef1 \u0111\u1ecbnh trong m\u1ea1ng. M\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 g\u00f3p ph\u1ea7n g\u00e2y m\u1ea5t g\u00f3i, bao g\u1ed3m t\u1eafc ngh\u1ebdn m\u1ea1ng, l\u1ed7i ph\u1ea7n c\u1ee9ng, l\u1ed7i ph\u1ea7n m\u1ec1m v\u00e0 c\u1ea5u h\u00ecnh m\u1ea1ng k\u00e9m. Khi m\u1ed9t g\u00f3i b\u1ecb m\u1ea5t, n\u00f3 th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c truy\u1ec1n l\u1ea1i v\u00ec \u0111i\u1ec1u \u0111\u00f3 s\u1ebd g\u00e2y ra \u0111\u1ed9 tr\u1ec5 v\u00e0 chi ph\u00ed. Thay v\u00e0o \u0111\u00f3, c\u00e1c giao th\u1ee9c ho\u1eb7c \u1ee9ng d\u1ee5ng l\u1edbp cao h\u01a1n ch\u1ecbu tr\u00e1ch nhi\u1ec7m x\u1eed l\u00fd vi\u1ec7c truy\u1ec1n l\u1ea1i n\u1ebfu c\u1ea7n thi\u1ebft.<\/p>\n<p>\u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 vi\u1ec7c m\u1ea5t g\u00f3i \u1edf m\u1ed9t m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh l\u00e0 kh\u00f4ng th\u1ec3 tr\u00e1nh kh\u1ecfi trong b\u1ea5t k\u1ef3 m\u1ea1ng n\u00e0o do t\u00ednh ch\u1ea5t n\u0103ng \u0111\u1ed9ng v\u00e0 kh\u00f4ng th\u1ec3 \u0111o\u00e1n tr\u01b0\u1edbc c\u1ee7a Internet. Tuy nhi\u00ean, vi\u1ec7c m\u1ea5t g\u00f3i qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng th\u1eddi gian th\u1ef1c nh\u01b0 ch\u01a1i game tr\u1ef1c tuy\u1ebfn, h\u1ed9i ngh\u1ecb video v\u00e0 cu\u1ed9c g\u1ecdi VoIP.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a vi\u1ec7c m\u1ea5t g\u00f3i: N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n<p>M\u1ea5t g\u00f3i c\u00f3 th\u1ec3 x\u1ea3y ra \u1edf nhi\u1ec1u \u0111i\u1ec3m kh\u00e1c nhau trong m\u1ea1ng. Khi m\u1ed9t g\u00f3i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eedi t\u1eeb ngu\u1ed3n \u0111\u1ebfn \u0111\u00edch, n\u00f3 s\u1ebd \u0111i qua nhi\u1ec1u thi\u1ebft b\u1ecb m\u1ea1ng v\u00e0 li\u00ean k\u1ebft. \u1ede m\u1ed7i b\u01b0\u1edbc c\u1ee7a h\u00e0nh tr\u00ecnh, g\u00f3i tin c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i s\u1ef1 c\u1ed1 d\u1eabn \u0111\u1ebfn m\u1ea5t g\u00f3i. Nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i r\u1ed9ng r\u00e3i nh\u01b0 sau:<\/p>\n<ol>\n<li><strong>T\u1eafc ngh\u1ebdn m\u1ea1ng:<\/strong> Trong th\u1eddi gian l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp cao, c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng c\u00f3 th\u1ec3 b\u1ecb qu\u00e1 t\u1ea3i, d\u1eabn \u0111\u1ebfn c\u00e1c g\u00f3i b\u1ecb r\u1edbt.<\/li>\n<li><strong>Tr\u00e0n b\u1ed9 \u0111\u1ec7m:<\/strong> C\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng s\u1eed d\u1ee5ng b\u1ed9 \u0111\u1ec7m \u0111\u1ec3 l\u01b0u tr\u1eef t\u1ea1m th\u1eddi c\u00e1c g\u00f3i tin. N\u1ebfu b\u1ed9 \u0111\u1ec7m tr\u00e0n, c\u00e1c g\u00f3i c\u00f3 th\u1ec3 b\u1ecb lo\u1ea1i b\u1ecf \u0111\u1ec3 nh\u01b0\u1eddng ch\u1ed7 cho c\u00e1c g\u00f3i m\u1edbi \u0111\u1ebfn.<\/li>\n<li><strong>Ph\u1ea7n c\u1ee9ng ho\u1eb7c c\u00e1p b\u1ecb l\u1ed7i:<\/strong> B\u1ed9 chuy\u1ec3n m\u1ea1ch, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn ho\u1eb7c c\u00e1p b\u1ecb h\u1ecfng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ea5t g\u00f3i.<\/li>\n<li><strong>L\u1ed7i bit:<\/strong> Nhi\u1ec5u v\u00e0 nhi\u1ec5u trong m\u00f4i tr\u01b0\u1eddng truy\u1ec1n c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng c\u00e1c bit trong g\u00f3i, g\u00e2y m\u1ea5t m\u00e1t.<\/li>\n<li><strong>Ch\u00ednh s\u00e1ch ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 (QoS):<\/strong> Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, c\u00e0i \u0111\u1eb7t QoS \u01b0u ti\u00ean m\u1ed9t s\u1ed1 lo\u1ea1i l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp nh\u1ea5t \u0111\u1ecbnh so v\u1edbi c\u00e1c lo\u1ea1i l\u01b0u l\u01b0\u1ee3ng kh\u00e1c, d\u1eabn \u0111\u1ebfn m\u1ea5t g\u00f3i \u0111\u1ed1i v\u1edbi c\u00e1c g\u00f3i c\u00f3 m\u1ee9c \u0111\u1ed9 \u01b0u ti\u00ean th\u1ea5p h\u01a1n.<\/li>\n<\/ol>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a m\u1ea5t g\u00f3i<\/h2>\n<p>M\u1ea5t g\u00f3i th\u1ec3 hi\u1ec7n m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh m\u00e0 qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng v\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u1ea7n l\u01b0u \u00fd:<\/p>\n<ol>\n<li><strong>T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn hi\u1ec7u su\u1ea5t:<\/strong> T\u1ef7 l\u1ec7 m\u1ea5t g\u00f3i cao c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn suy gi\u1ea3m hi\u1ec7u su\u1ea5t \u0111\u00e1ng ch\u00fa \u00fd, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1eddi gian th\u1ef1c.<\/li>\n<li><strong>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn th\u00f4ng l\u01b0\u1ee3ng:<\/strong> Khi c\u00e1c g\u00f3i b\u1ecb m\u1ea5t, t\u1ed5ng th\u00f4ng l\u01b0\u1ee3ng c\u1ee7a m\u1ea1ng s\u1ebd gi\u1ea3m, l\u00e0m gi\u1ea3m l\u01b0\u1ee3ng d\u1eef li\u1ec7u c\u00f3 th\u1ec3 truy\u1ec1n trong m\u1ed9t th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh.<\/li>\n<li><strong>\u0110\u1ed9 tr\u1ec5 v\u00e0 Jitter:<\/strong> Vi\u1ec7c m\u1ea5t g\u00f3i c\u00f3 th\u1ec3 g\u00f3p ph\u1ea7n l\u00e0m t\u0103ng \u0111\u1ed9 tr\u1ec5 v\u00e0 \u0111\u1ed9 gi\u1eadt, d\u1eabn \u0111\u1ebfn th\u1eddi gian ph\u00e2n ph\u1ed1i d\u1eef li\u1ec7u kh\u00f4ng nh\u1ea5t qu\u00e1n.<\/li>\n<li><strong>C\u01a1 ch\u1ebf ph\u1ee5c h\u1ed3i:<\/strong> M\u1ed9t s\u1ed1 giao th\u1ee9c v\u00e0 \u1ee9ng d\u1ee5ng s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt s\u1eeda l\u1ed7i v\u00e0 c\u01a1 ch\u1ebf truy\u1ec1n l\u1ea1i \u0111\u1ec3 b\u00f9 \u0111\u1eafp cho vi\u1ec7c m\u1ea5t g\u00f3i.<\/li>\n<li><strong>Gi\u00e1m s\u00e1t v\u00e0 \u0111o l\u01b0\u1eddng:<\/strong> Qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng s\u1eed d\u1ee5ng s\u1ed1 li\u1ec7u m\u1ea5t g\u00f3i \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00ecnh tr\u1ea1ng m\u1ea1ng v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c s\u1ef1 c\u1ed1 ti\u1ec1m \u1ea9n.<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i m\u1ea5t g\u00f3i<\/h2>\n<figure id=\"attachment_505658\" aria-describedby=\"caption-attachment-505658\" style=\"width: 1200px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/oneproxy.pro\/wp-content\/uploads\/2023\/08\/causes-packet-loss.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/oneproxy.pro\/wp-content\/uploads\/2023\/08\/causes-packet-loss.jpg\" alt=\"Nguy\u00ean nh\u00e2n g\u00e2y m\u1ea5t g\u00f3i tin\" width=\"1200\" height=\"628\" class=\"size-full wp-image-505658\" title=\"\" srcset=\"https:\/\/oneproxy.pro\/wp-content\/uploads\/2023\/08\/causes-packet-loss.jpg 1200w, https:\/\/oneproxy.pro\/wp-content\/uploads\/2023\/08\/causes-packet-loss-150x79.jpg 150w, https:\/\/oneproxy.pro\/wp-content\/uploads\/2023\/08\/causes-packet-loss-768x402.jpg 768w, https:\/\/oneproxy.pro\/wp-content\/uploads\/2023\/08\/causes-packet-loss-18x9.jpg 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a><figcaption id=\"caption-attachment-505658\" class=\"wp-caption-text\">Nguy\u00ean nh\u00e2n g\u00e2y m\u1ea5t g\u00f3i tin<\/figcaption><\/figure>\n<p>M\u1ea5t g\u00f3i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean nguy\u00ean nh\u00e2n v\u00e0 ph\u1ea1m vi c\u1ee7a n\u00f3. C\u00e1c lo\u1ea1i m\u1ea5t g\u00f3i sau \u0111\u00e2y th\u01b0\u1eddng \u0111\u01b0\u1ee3c quan s\u00e1t th\u1ea5y:<\/p>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i m\u1ea5t g\u00f3i<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M\u1ea5t g\u00f3i ng\u1eabu nhi\u00ean<\/td>\n<td>X\u1ea3y ra l\u1ebb t\u1ebb, kh\u00f3 l\u01b0\u1eddng do m\u1ea1ng l\u01b0\u1edbi bi\u1ebfn \u0111\u1ed9ng, t\u1eafc ngh\u1ebdn.<\/td>\n<\/tr>\n<tr>\n<td>M\u1ea5t g\u00f3i tin b\u00f9ng n\u1ed5<\/td>\n<td>X\u1ea3y ra theo \u0111\u1ee3t, th\u01b0\u1eddng do t\u1eafc ngh\u1ebdn m\u1ea1ng t\u1ea1m th\u1eddi ho\u1eb7c tr\u00e0n b\u1ed9 \u0111\u1ec7m.<\/td>\n<\/tr>\n<tr>\n<td>M\u1ea5t g\u00f3i li\u00ean t\u1ee5c<\/td>\n<td>M\u1ea5t g\u00f3i li\u00ean t\u1ee5c trong th\u1eddi gian d\u00e0i, cho th\u1ea5y c\u00e1c s\u1ef1 c\u1ed1 c\u01a1 b\u1ea3n v\u1ec1 m\u1ea1ng ho\u1eb7c ph\u1ea7n c\u1ee9ng.<\/td>\n<\/tr>\n<tr>\n<td>M\u1ea5t g\u00f3i t\u01b0\u01a1ng quan<\/td>\n<td>C\u00e1c g\u00f3i b\u1ecb m\u1ea5t theo c\u00e1ch t\u01b0\u01a1ng quan, th\u01b0\u1eddng do l\u1ed7i li\u00ean k\u1ebft ho\u1eb7c thi\u1ebft b\u1ecb \u1edf m\u1ed9t khu v\u1ef1c c\u1ee5 th\u1ec3.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng t\u00ednh n\u0103ng m\u1ea5t g\u00f3i, s\u1ef1 c\u1ed1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<p>Vi\u1ec7c m\u1ea5t g\u00f3i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nhi\u1ec1u kh\u00eda c\u1ea1nh kh\u00e1c nhau c\u1ee7a hi\u1ec7u su\u1ea5t m\u1ea1ng v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1, bao g\u1ed3m:<\/p>\n<ol>\n<li><strong>Ch\u1ea5t l\u01b0\u1ee3ng tho\u1ea1i v\u00e0 video:<\/strong> M\u1ea5t g\u00f3i cao \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c g\u1ecdi VoIP v\u00e0 h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh.<\/li>\n<li><strong>Ch\u01a1i game tr\u1ef1c tuy\u1ebfn:<\/strong> Khi ch\u01a1i tr\u00f2 ch\u01a1i tr\u1ef1c tuy\u1ebfn, vi\u1ec7c m\u1ea5t g\u00f3i c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn \u0111\u1ed9 tr\u1ec5 v\u00e0 gi\u1eadt, \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ch\u01a1i tr\u00f2 ch\u01a1i.<\/li>\n<li><strong>Truy\u1ec1n d\u1eef li\u1ec7u:<\/strong> Vi\u1ec7c truy\u1ec1n t\u1ec7p l\u1edbn c\u00f3 th\u1ec3 b\u1ecb t\u1ea3i xu\u1ed1ng kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 v\u00e0 b\u1ecb h\u1ecfng do m\u1ea5t g\u00f3i.<\/li>\n<li><strong>Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 m\u1ea1ng:<\/strong> Vi\u1ec7c x\u00e1c \u0111\u1ecbnh ngu\u1ed3n m\u1ea5t g\u00f3i c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng m\u1ea1ng ph\u1ee9c t\u1ea1p.<\/li>\n<\/ol>\n<h3>Gi\u1ea3i ph\u00e1p cho v\u1ea5n \u0111\u1ec1 m\u1ea5t g\u00f3i:<\/h3>\n<ol>\n<li><strong>Tri\u1ec3n khai ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 (QoS):<\/strong> \u01afu ti\u00ean l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp quan tr\u1ecdng v\u00e0 qu\u1ea3n l\u00fd b\u0103ng th\u00f4ng c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u t\u00ecnh tr\u1ea1ng m\u1ea5t g\u00f3i.<\/li>\n<li><strong>D\u1ef1 ph\u00f2ng m\u1ea1ng:<\/strong> Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c \u0111\u01b0\u1eddng d\u1eabn v\u00e0 thi\u1ebft b\u1ecb m\u1ea1ng d\u1ef1 ph\u00f2ng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ed7i.<\/li>\n<li><strong>S\u1eeda l\u1ed7i:<\/strong> S\u1eed d\u1ee5ng m\u00e3 s\u1eeda l\u1ed7i v\u00e0 s\u1eeda l\u1ed7i chuy\u1ec3n ti\u1ebfp c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u.<\/li>\n<li><strong>Gi\u00e1m s\u00e1t m\u1ea1ng:<\/strong> Th\u01b0\u1eddng xuy\u00ean theo d\u00f5i hi\u1ec7u su\u1ea5t m\u1ea1ng gi\u00fap ph\u00e1t hi\u1ec7n v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 m\u1ea5t g\u00f3i m\u1ed9t c\u00e1ch ch\u1ee7 \u0111\u1ed9ng.<\/li>\n<\/ol>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<h3>M\u1ea5t g\u00f3i so v\u1edbi \u0111\u1ed9 tr\u1ec5:<\/h3>\n<ul>\n<li>M\u1ea5t g\u00f3i \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c c\u00e1c g\u00f3i kh\u00f4ng \u0111\u1ebfn \u0111\u01b0\u1ee3c \u0111\u00edch.<\/li>\n<li>M\u1eb7t kh\u00e1c, \u0111\u1ed9 tr\u1ec5 l\u00e0 \u0111\u1ed9 tr\u1ec5 ho\u1eb7c th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 m\u1ed9t g\u00f3i di chuy\u1ec3n t\u1eeb ngu\u1ed3n \u0111\u1ebfn \u0111\u00edch.<\/li>\n<\/ul>\n<h3>M\u1ea5t g\u00f3i so v\u1edbi Jitter:<\/h3>\n<ul>\n<li>M\u1ea5t g\u00f3i li\u00ean quan \u0111\u1ebfn vi\u1ec7c g\u00f3i kh\u00f4ng \u0111\u1ebfn \u0111\u00edch d\u1ef1 ki\u1ebfn.<\/li>\n<li>Jitter th\u1ec3 hi\u1ec7n s\u1ef1 thay \u0111\u1ed5i v\u1ec1 th\u1eddi gian \u0111\u1ebfn c\u1ee7a c\u00e1c g\u00f3i, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n<h3>M\u1ea5t g\u00f3i v\u00e0 h\u1ecfng d\u1eef li\u1ec7u:<\/h3>\n<ul>\n<li>M\u1ea5t g\u00f3i li\u00ean quan \u0111\u1ebfn vi\u1ec7c m\u1ea5t to\u00e0n b\u1ed9 g\u00f3i trong qu\u00e1 tr\u00ecnh truy\u1ec1n.<\/li>\n<li>L\u1ed7i d\u1eef li\u1ec7u \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c s\u1eeda \u0111\u1ed5i n\u1ed9i dung g\u00f3i, d\u1eabn \u0111\u1ebfn l\u1ed7i trong d\u1eef li\u1ec7u nh\u1eadn \u0111\u01b0\u1ee3c.<\/li>\n<\/ul>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn m\u1ea5t g\u00f3i<\/h2>\n<p>Khi c\u00f4ng ngh\u1ec7 ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, nh\u1eefng n\u1ed7 l\u1ef1c gi\u1ea3m thi\u1ec3u v\u00e0 x\u1eed l\u00fd m\u1ea5t g\u00f3i s\u1ebd v\u1eabn l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u. M\u1ed9t s\u1ed1 quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 ti\u1ec1m n\u0103ng li\u00ean quan \u0111\u1ebfn m\u1ea5t g\u00f3i bao g\u1ed3m:<\/p>\n<ol>\n<li><strong>C\u00f4ng ngh\u1ec7 5G:<\/strong> M\u1ea1ng 5G h\u1ee9a h\u1eb9n \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n v\u00e0 \u0111\u1ed9 tin c\u1eady \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m t\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c m\u1ea5t g\u00f3i.<\/li>\n<li><strong>Qu\u1ea3n l\u00fd m\u1ea1ng d\u1ef1a tr\u00ean AI:<\/strong> Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng, d\u1ef1 \u0111o\u00e1n v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c s\u1ef1 c\u1ed1 m\u1ea5t g\u00f3i.<\/li>\n<li><strong>S\u1eeda l\u1ed7i n\u00e2ng cao:<\/strong> C\u00e1c k\u1ef9 thu\u1eadt s\u1eeda l\u1ed7i m\u1edbi n\u1ed5i c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i d\u1eef li\u1ec7u v\u00e0 gi\u1ea3m t\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c m\u1ea5t g\u00f3i.<\/li>\n<li><strong>M\u1ea1ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng ph\u1ea7n m\u1ec1m (SDN):<\/strong> SDN cho ph\u00e9p c\u1ea5u h\u00ecnh m\u1ea1ng \u0111\u1ed9ng, c\u00f3 th\u1ec3 gi\u00fap qu\u1ea3n l\u00fd v\u00e0 gi\u1ea3m thi\u1ec3u t\u00ecnh tr\u1ea1ng m\u1ea5t g\u00f3i trong th\u1eddi gian th\u1ef1c.<\/li>\n<\/ol>\n<h2>M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft v\u1edbi vi\u1ec7c m\u1ea5t g\u00f3i nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7, chuy\u1ec3n ti\u1ebfp c\u00e1c y\u00eau c\u1ea7u v\u00e0 ph\u1ea3n h\u1ed3i gi\u1eefa ch\u00fang. M\u1eb7c d\u00f9 b\u1ea3n th\u00e2n m\u00e1y ch\u1ee7 proxy kh\u00f4ng g\u00e2y m\u1ea5t g\u00f3i nh\u01b0ng ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3i quy\u1ebft m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn m\u1ea5t g\u00f3i:<\/p>\n<ol>\n<li><strong>B\u1ed9 nh\u1edb \u0111\u1ec7m:<\/strong> M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 l\u01b0u v\u00e0o b\u1ed9 nh\u1edb \u0111\u1ec7m n\u1ed9i dung \u0111\u01b0\u1ee3c truy c\u1eadp th\u01b0\u1eddng xuy\u00ean, gi\u1ea3m nhu c\u1ea7u truy\u1ec1n d\u1eef li\u1ec7u l\u1eb7p \u0111i l\u1eb7p l\u1ea1i v\u00e0 gi\u1ea3m nguy c\u01a1 m\u1ea5t g\u00f3i.<\/li>\n<li><strong>C\u00e2n b\u1eb1ng t\u1ea3i:<\/strong> B\u1eb1ng c\u00e1ch ph\u00e2n ph\u1ed1i l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng tr\u00ean nhi\u1ec1u m\u00e1y ch\u1ee7, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 gi\u1ea3m b\u1edbt t\u1eafc ngh\u1ebdn v\u00e0 gi\u1ea3m thi\u1ec3u t\u00ecnh tr\u1ea1ng m\u1ea5t g\u00f3i.<\/li>\n<li><strong>N\u00e9n:<\/strong> M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 n\u00e9n d\u1eef li\u1ec7u tr\u01b0\u1edbc khi truy\u1ec1n, gi\u1ea3m k\u00edch th\u01b0\u1edbc g\u00f3i v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng gi\u1ea3m thi\u1ec3u t\u00ecnh tr\u1ea1ng m\u1ea5t g\u00f3i.<\/li>\n<li><strong>D\u1ecbch v\u1ee5 VPN:<\/strong> M\u1ea1ng ri\u00eang \u1ea3o (VPN) s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 cung c\u1ea5p b\u1ea3o m\u1eadt d\u1eef li\u1ec7u t\u1ed1t h\u01a1n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng gi\u1ea3m thi\u1ec3u m\u1ea5t g\u00f3i trong qu\u00e1 tr\u00ecnh truy\u1ec1n d\u1eef li\u1ec7u.<\/li>\n<\/ol>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 m\u1ea5t g\u00f3i v\u00e0 hi\u1ec7u su\u1ea5t m\u1ea1ng, b\u1ea1n c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.solarwinds.com\/resources\/it-glossary\/packet-loss\" target=\"_new\" rel=\"noopener nofollow\">Hi\u1ec7u su\u1ea5t m\u1ea1ng: T\u00ecm hi\u1ec3u v\u1ec1 m\u1ea5t g\u00f3i<\/a><\/li>\n<li><a href=\"https:\/\/www.kentik.com\/kentipedia\/understanding-latency-packet-loss-and-jitter-in-networking\/\" target=\"_new\" rel=\"noopener nofollow\">Kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u1ec1 Jitter v\u00e0 m\u1ea5t g\u00f3i<\/a><\/li>\n<li><a href=\"https:\/\/krispcall.com\/blog\/voip-packet-loss\/\" target=\"_new\" rel=\"noopener nofollow\">Qu\u1ea3n l\u00fd m\u1ea5t g\u00f3i trong m\u1ea1ng VoIP<\/a><\/li>\n<\/ul>\n<p>T\u00f3m l\u1ea1i, m\u1ea5t g\u00f3i l\u00e0 m\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng c\u1ee7a hi\u1ec7u su\u1ea5t m\u1ea1ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng kh\u00e1c nhau. Hi\u1ec3u nguy\u00ean nh\u00e2n, \u00fd ngh\u0129a v\u00e0 gi\u1ea3i ph\u00e1p ti\u1ec1m n\u0103ng c\u1ee7a n\u00f3 l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng c\u0169ng nh\u01b0 ng\u01b0\u1eddi d\u00f9ng. Th\u00f4ng qua nh\u1eefng ti\u1ebfn b\u1ed9 trong chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3n l\u00fd m\u1ea1ng v\u00e0 c\u00f4ng ngh\u1ec7, vi\u1ec7c gi\u1ea3m thi\u1ec3u m\u1ea5t g\u00f3i v\u00e0 n\u00e2ng cao \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u1ea1ng v\u1eabn l\u00e0 m\u1ed9t n\u1ed7 l\u1ef1c kh\u00f4ng ng\u1eebng trong l\u0129nh v\u1ef1c m\u1ea1ng m\u00e1y t\u00ednh.<\/p>","protected":false},"featured_media":505657,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478319","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Packet Loss: A Comprehensive Guide<\/mark>","faq_items":[{"question":"What is packet loss, and why is it important?","answer":"Packet loss refers to the loss of data packets during their transmission through a computer network. These packets carry crucial information, and their loss can lead to performance issues, affecting applications like online gaming and video conferencing."},{"question":"What are the common causes of packet loss?","answer":"Packet loss can occur due to network congestion, buffer overflows, faulty hardware or cables, bit errors, and Quality of Service (QoS) policies."},{"question":"How does packet loss impact network performance?","answer":"High packet loss can result in reduced throughput, increased latency, and jitter, leading to a degraded user experience in real-time applications."},{"question":"Are there different types of packet loss?","answer":"Yes, packet loss can be categorized into random, burst, persistent, and correlated types based on their cause and scope."},{"question":"Can packet loss be prevented or reduced?","answer":"While it is impossible to completely eliminate packet loss, certain measures can help reduce its impact. Implementing Quality of Service (QoS), employing network redundancy, and using error correction techniques are some ways to mitigate packet loss."},{"question":"How can proxy servers help with packet loss?","answer":"Proxy servers can assist in managing packet loss issues by caching frequently accessed content, load balancing, compressing data, and providing secure VPN services."},{"question":"How does 5G technology impact packet loss?","answer":"5G technology's lower latency and improved reliability have the potential to reduce the impact of packet loss on network performance."},{"question":"What is the future outlook for handling packet loss?","answer":"Advancements in artificial intelligence, advanced error correction techniques, and software-defined networking (SDN) hold promise for improved packet loss management in the future."}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478319","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":3,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478319\/revisions"}],"predecessor-version":[{"id":505661,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478319\/revisions\/505661"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/505657"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=478319"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}