{"id":477122,"date":"2023-08-09T09:07:44","date_gmt":"2023-08-09T09:07:44","guid":{"rendered":""},"modified":"2023-09-05T11:14:04","modified_gmt":"2023-09-05T11:14:04","slug":"ethernet","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/ethernet\/","title":{"rendered":"Ethernet"},"content":{"rendered":"<p>Ethernet l\u00e0 m\u1ed9t h\u1ecd c\u00f4ng ngh\u1ec7 m\u1ea1ng m\u00e1y t\u00ednh th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ea1ng c\u1ee5c b\u1ed9 (LAN), m\u1ea1ng khu v\u1ef1c \u0111\u00f4 th\u1ecb (MAN) v\u00e0 m\u1ea1ng di\u1ec7n r\u1ed9ng (WAN). Ethernet \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb trong m\u1ea1ng c\u1ee5c b\u1ed9, nh\u01b0 m\u00e1y t\u00ednh, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 b\u1ed9 chuy\u1ec3n m\u1ea1ch. N\u00f3 cho ph\u00e9p trao \u0111\u1ed5i d\u1eef li\u1ec7u th\u00f4ng qua vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 giao th\u1ee9c Ethernet c\u1ee5 th\u1ec3.<\/p>\n<h2>L\u1ecbch s\u1eed v\u00e0 s\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean c\u1ee7a Ethernet<\/h2>\n<p>Ethernet l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 1970 b\u1edfi Robert Metcalfe, m\u1ed9t nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i Trung t\u00e2m Nghi\u00ean c\u1ee9u Palo Alto c\u1ee7a Xerox (PARC). Anh v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p \u0111ang nghi\u00ean c\u1ee9u m\u1ed9t h\u1ec7 th\u1ed1ng k\u1ebft n\u1ed1i c\u00e1c m\u00e1y t\u00ednh \u201cAlto\u201d c\u1ee7a c\u00f4ng ty v\u1edbi m\u1ed9t m\u00e1y in d\u00f9ng chung. Kh\u00e1i ni\u1ec7m ban \u0111\u1ea7u v\u1ec1 Ethernet \u0111\u01b0\u1ee3c ph\u00e1c th\u1ea3o trong m\u1ed9t b\u1ea3n ghi nh\u1edb do Metcalfe vi\u1ebft v\u00e0o n\u0103m 1973, trong \u0111\u00f3 \u00f4ng \u0111\u00e3 v\u1ebd m\u1ed9t s\u01a1 \u0111\u1ed3 c\u01a1 b\u1ea3n v\u1ec1 c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i gi\u1ed1ng v\u1edbi h\u00ecnh d\u1ea1ng c\u1ee7a Ether.<\/p>\n<p>\u00dd t\u01b0\u1edfng n\u00e0y sau \u0111\u00f3 \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh m\u1ed9t ki\u1ebfn tr\u00fac m\u1ea1ng ph\u1ee9c t\u1ea1p h\u01a1n. Xerox \u0111\u00e3 n\u1ed9p \u0111\u01a1n xin c\u1ea5p b\u1eb1ng s\u00e1ng ch\u1ebf v\u00e0o n\u0103m 1975 v\u00e0 qu\u00e1 tr\u00ecnh ti\u00eau chu\u1ea9n h\u00f3a Ethernet b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c t\u1ea1o ra th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt Ethernet Phi\u00ean b\u1ea3n 1 v\u00e0o n\u0103m 1980. Ti\u00eau chu\u1ea9n Ethernet ch\u00ednh th\u1ee9c, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 IEEE 802.3, sau \u0111\u00f3 \u0111\u01b0\u1ee3c Vi\u1ec7n K\u1ef9 s\u01b0 \u0110i\u1ec7n v\u00e0 \u0110i\u1ec7n t\u1eed (IEEE) xu\u1ea5t b\u1ea3n v\u00e0o n\u0103m 1983 K\u1ec3 t\u1eeb \u0111\u00f3, Ethernet \u0111\u00e3 ph\u00e1t tri\u1ec3n v\u00e0 ph\u00e1t tri\u1ec3n, nh\u01b0ng kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i v\u1eabn \u0111\u01b0\u1ee3c gi\u1eef nguy\u00ean \u2013 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n, m\u1ea1nh m\u1ebd \u0111\u1ec3 k\u1ebft n\u1ed1i m\u00e1y t\u00ednh v\u00e0 truy\u1ec1n d\u1eef li\u1ec7u.<\/p>\n<h2>M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1: Th\u00f4ng tin chi ti\u1ebft v\u1ec1 Ethernet<\/h2>\n<p>Ethernet d\u1ef1a tr\u00ean \u00fd t\u01b0\u1edfng c\u00e1c n\u00fat g\u1eedi tin nh\u1eafn theo g\u00f3i qua m\u1ea1ng. Trong m\u1ea1ng Ethernet, t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi c\u00e1p trung t\u00e2m ho\u1eb7c \u201cbus\u201d v\u00e0 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n d\u01b0\u1edbi d\u1ea1ng c\u00e1c g\u00f3i nh\u1ecf g\u1ecdi l\u00e0 khung. M\u1ed7i khung bao g\u1ed3m \u0111\u1ecba ch\u1ec9 ngu\u1ed3n v\u00e0 \u0111\u00edch, m\u00e3 ki\u1ec3m tra l\u1ed7i v\u00e0 d\u1eef li\u1ec7u t\u1ea3i tr\u1ecdng.<\/p>\n<p>Ethernet h\u1ed7 tr\u1ee3 nhi\u1ec1u ki\u1ebfn tr\u00fac m\u1ea1ng kh\u00e1c nhau, bao g\u1ed3m h\u00ecnh sao, c\u00e2y v\u00e0 bus. Tuy nhi\u00ean, ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay l\u00e0 c\u1ea5u tr\u00fac li\u00ean k\u1ebft h\u00ecnh sao, v\u1edbi b\u1ed9 chuy\u1ec3n m\u1ea1ch Ethernet \u1edf trung t\u00e2m c\u1ee7a h\u00ecnh sao. Thi\u1ebft l\u1eadp n\u00e0y l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng xung \u0111\u1ed9t g\u00f3i, n\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u.<\/p>\n<p>Ethernet \u0111\u00e3 ph\u00e1t tri\u1ec3n \u0111\u00e1ng k\u1ec3 k\u1ec3 t\u1eeb khi th\u00e0nh l\u1eadp. N\u00f3 \u0111\u00e3 t\u0103ng t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u t\u1eeb 10 megabit m\u1ed7i gi\u00e2y (Mbps) ban \u0111\u1ea7u l\u00ean Fast Ethernet (100 Mbps), Ethernet gigabit (1 Gbps), Ethernet 10 gigabit, Ethernet 40 gigabit v\u00e0 th\u1eadm ch\u00ed c\u1ea3 Ethernet 100 gigabit. Ph\u1ea1m vi r\u1ed9ng n\u00e0y cho ph\u00e9p n\u00f3 ph\u1ee5c v\u1ee5 nhu c\u1ea7u c\u1ee7a nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng kh\u00e1c nhau, t\u1eeb m\u1ea1ng gia \u0111\u00ecnh \u0111\u1ebfn trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 \u0111\u01b0\u1eddng tr\u1ee5c Internet.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a Ethernet: C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng<\/h2>\n<p>Ethernet ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean giao th\u1ee9c \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0110a truy c\u1eadp nh\u1eadn bi\u1ebft s\u00f3ng mang v\u1edbi ph\u00e1t hi\u1ec7n va ch\u1ea1m (CSMA\/CD). \u1ede d\u1ea1ng Ethernet ban \u0111\u1ea7u, t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi m\u1ed9t c\u00e1p duy nh\u1ea5t v\u00e0 m\u1ed7i thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 g\u1eedi d\u1eef li\u1ec7u khi \u0111\u01b0\u1eddng d\u00e2y tr\u1ed1ng. N\u1ebfu hai thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c truy\u1ec1n c\u00f9ng l\u00fac th\u00ec xung \u0111\u1ed9t s\u1ebd x\u1ea3y ra v\u00e0 c\u00e1c thi\u1ebft b\u1ecb s\u1ebd ng\u1eebng truy\u1ec1n v\u00e0 \u0111\u1ee3i m\u1ed9t kho\u1ea3ng th\u1eddi gian ng\u1eabu nhi\u00ean tr\u01b0\u1edbc khi th\u1eed l\u1ea1i.<\/p>\n<p>M\u1ea1ng Ethernet hi\u1ec7n \u0111\u1ea1i ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac li\u00ean k\u1ebft h\u00ecnh sao v\u00e0 d\u1ef1a tr\u00ean c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch Ethernet, khi\u1ebfn cho vi\u1ec7c xung \u0111\u1ed9t g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3 x\u1ea3y ra. D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c chuy\u1ec3n h\u01b0\u1edbng t\u1eeb c\u1ed5ng n\u00e0y sang c\u1ed5ng kh\u00e1c, kh\u00f4ng \u0111\u01b0\u1ee3c chia s\u1ebb tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c c\u1ed5ng nh\u01b0 trong Ethernet d\u1ef1a tr\u00ean bus c\u0169 h\u01a1n.<\/p>\n<p>M\u1ed7i khung Ethernet b\u1eaft \u0111\u1ea7u b\u1eb1ng ph\u1ea7n m\u1edf \u0111\u1ea7u v\u00e0 d\u1ea5u ph\u00e2n c\u00e1ch khung b\u1eaft \u0111\u1ea7u, theo sau l\u00e0 \u0111\u1ecba ch\u1ec9 \u0111\u00edch v\u00e0 ngu\u1ed3n, tr\u01b0\u1eddng lo\u1ea1i, t\u1ea3i tr\u1ecdng v\u00e0 k\u1ebft th\u00fac b\u1eb1ng tr\u00ecnh t\u1ef1 ki\u1ec3m tra khung. Vi\u1ec7c \u0111\u00e1nh \u0111\u1ecba ch\u1ec9 d\u1ef1a tr\u00ean \u0111\u1ecba ch\u1ec9 Ki\u1ec3m so\u00e1t truy c\u1eadp ph\u01b0\u01a1ng ti\u1ec7n (MAC), s\u1ed1 nh\u1eadn d\u1ea1ng duy nh\u1ea5t \u0111\u01b0\u1ee3c g\u00e1n cho t\u1eebng thi\u1ebft b\u1ecb.<\/p>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Ethernet<\/h2>\n<p>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Ethernet l\u00e0:<\/p>\n<ol>\n<li><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/strong>: T\u1ed1c \u0111\u1ed9 c\u1ee7a Ethernet \u0111\u00e3 ph\u00e1t tri\u1ec3n t\u1eeb 10 Mbps l\u00ean t\u1edbi 100 Gbps v\u00e0 h\u01a1n th\u1ebf n\u1eefa.<\/li>\n<li><strong>\u0111\u1ed9 tin c\u1eady<\/strong>: Ethernet s\u1eed d\u1ee5ng m\u00f4 h\u00ecnh truy\u1ec1n d\u1eef li\u1ec7u \u0111\u01a1n gi\u1ea3n nh\u01b0ng m\u1ea1nh m\u1ebd \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a d\u1eef li\u1ec7u.<\/li>\n<li><strong>Ph\u00e1t hi\u1ec7n va ch\u1ea1m<\/strong>: Ethernet th\u1eddi k\u1ef3 \u0111\u1ea7u s\u1eed d\u1ee5ng CSMA\/CD \u0111\u1ec3 x\u1eed l\u00fd xung \u0111\u1ed9t d\u1eef li\u1ec7u. M\u1ea1ng Ethernet hi\u1ec7n \u0111\u1ea1i h\u1ea7u nh\u01b0 kh\u00f4ng bao gi\u1edd g\u1eb7p ph\u1ea3i xung \u0111\u1ed9t do s\u1eed d\u1ee5ng b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u00e0 ho\u1ea1t \u0111\u1ed9ng song c\u00f4ng ho\u00e0n to\u00e0n.<\/li>\n<li><strong>T\u00ednh linh ho\u1ea1t c\u1ee7a c\u1ea5u tr\u00fac li\u00ean k\u1ebft<\/strong>: Ethernet c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 nhi\u1ec1u c\u1ea5u tr\u00fac li\u00ean k\u1ebft m\u1ea1ng kh\u00e1c nhau, bao g\u1ed3m bus, star v\u00e0 tree, gi\u00fap n\u00f3 c\u00f3 th\u1ec3 th\u00edch \u1ee9ng v\u1edbi c\u00e1c y\u00eau c\u1ea7u m\u1ea1ng kh\u00e1c nhau.<\/li>\n<li><strong>Ti\u00eau chu\u1ea9n h\u00f3a<\/strong>: Ethernet \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd theo ti\u00eau chu\u1ea9n IEEE 802.3, \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb c\u1ee7a c\u00e1c nh\u00e0 cung c\u1ea5p kh\u00e1c nhau.<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i Ethernet: B\u1ea3ng chi ti\u1ebft<\/h2>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>T\u1ed1c \u0111\u1ed9<\/th>\n<th>Trung b\u00ecnh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ethernet (10BASE-T)<\/td>\n<td>10 Mb\/gi\u00e2y<\/td>\n<td>C\u1eb7p xo\u1eafn<\/td>\n<\/tr>\n<tr>\n<td>Ethernet nhanh (100BASE-TX)<\/td>\n<td>100 Mb\/gi\u00e2y<\/td>\n<td>C\u1eb7p xo\u1eafn<\/td>\n<\/tr>\n<tr>\n<td>Gigabit Ethernet (1000BASE-T)<\/td>\n<td>1 Gbps<\/td>\n<td>C\u1eb7p xo\u1eafn<\/td>\n<\/tr>\n<tr>\n<td>Ethernet 10 Gigabit (10GBASE-T)<\/td>\n<td>10Gbps<\/td>\n<td>C\u1eb7p xo\u1eafn, s\u1ee3i<\/td>\n<\/tr>\n<tr>\n<td>Ethernet 25 Gigabit<\/td>\n<td>25 Gbps<\/td>\n<td>Ch\u1ea5t x\u01a1<\/td>\n<\/tr>\n<tr>\n<td>Ethernet 40 Gigabit<\/td>\n<td>40Gbps<\/td>\n<td>Ch\u1ea5t x\u01a1<\/td>\n<\/tr>\n<tr>\n<td>Ethernet 100 Gigabit<\/td>\n<td>100Gbps<\/td>\n<td>Ch\u1ea5t x\u01a1<\/td>\n<\/tr>\n<tr>\n<td>Ethernet 200 Gigabit<\/td>\n<td>200Gbps<\/td>\n<td>Ch\u1ea5t x\u01a1<\/td>\n<\/tr>\n<tr>\n<td>Ethernet 400 Gigabit<\/td>\n<td>400Gbps<\/td>\n<td>Ch\u1ea5t x\u01a1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng Ethernet, v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<p>Ethernet ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 n\u1ed1i m\u1ea1ng c\u00e1c m\u00e1y t\u00ednh trong khu v\u1ef1c \u0111\u1ecba ph\u01b0\u01a1ng, ch\u1eb3ng h\u1ea1n nh\u01b0 trong nh\u00e0, v\u0103n ph\u00f2ng v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u. N\u00f3 cho ph\u00e9p chia s\u1ebb c\u00e1c t\u00e0i nguy\u00ean nh\u01b0 t\u1eadp tin, m\u00e1y in v\u00e0 k\u1ebft n\u1ed1i internet.<\/p>\n<p>M\u1eb7c d\u00f9 c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m nh\u01b0ng Ethernet kh\u00f4ng ph\u1ea3i l\u00e0 kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1. Nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y c\u00f3 th\u1ec3 bao g\u1ed3m t\u1eafc ngh\u1ebdn m\u1ea1ng, suy gi\u1ea3m t\u00edn hi\u1ec7u tr\u00ean chi\u1ec1u d\u00e0i c\u00e1p d\u00e0i v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 b\u1ea3o m\u1eadt. Tuy nhi\u00ean, nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u b\u1eb1ng thi\u1ebft k\u1ebf m\u1ea1ng ph\u00f9 h\u1ee3p, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1eed d\u1ee5ng b\u1ed9 chuy\u1ec3n m\u1ea1ch \u0111\u1ec3 chia m\u1ea1ng th\u00e0nh c\u00e1c mi\u1ec1n xung \u0111\u1ed9t nh\u1ecf h\u01a1n, s\u1eed d\u1ee5ng b\u1ed9 l\u1eb7p ho\u1eb7c c\u00e1p quang \u0111\u1ec3 li\u00ean l\u1ea1c \u0111\u01b0\u1eddng d\u00e0i v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt m\u1ea1ng nh\u01b0 t\u01b0\u1eddng l\u1eeda v\u00e0 m\u1ea1ng ri\u00eang \u1ea3o (VPN). ).<\/p>\n<h2>So s\u00e1nh v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng t\u1ef1<\/h2>\n<p>Ethernet c\u1ea1nh tranh ch\u1ee7 y\u1ebfu v\u1edbi Wi-Fi trong m\u00f4i tr\u01b0\u1eddng gia \u0111\u00ecnh v\u00e0 v\u0103n ph\u00f2ng c\u0169ng nh\u01b0 v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0 Chuy\u1ec3n m\u1ea1ch nh\u00e3n \u0111a giao th\u1ee9c (MPLS) v\u00e0 M\u1ea1ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng ph\u1ea7n m\u1ec1m (SDN) trong c\u00e1c m\u1ea1ng l\u1edbn h\u01a1n. Trong khi Wi-Fi mang \u0111\u1ebfn s\u1ef1 ti\u1ec7n l\u1ee3i khi truy c\u1eadp kh\u00f4ng d\u00e2y th\u00ec Ethernet th\u01b0\u1eddng cung c\u1ea5p t\u1ed1c \u0111\u1ed9 cao h\u01a1n, \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n v\u00e0 k\u1ebft n\u1ed1i \u0111\u00e1ng tin c\u1eady h\u01a1n. MPLS v\u00e0 SDN cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao cho c\u00e1c m\u1ea1ng quy m\u00f4 l\u1edbn n\u1eb1m ngo\u00e0i ph\u1ea1m vi c\u1ee7a Ethernet, nh\u01b0ng ch\u00fang c\u0169ng y\u00eau c\u1ea7u c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 qu\u1ea3n l\u00fd ph\u1ee9c t\u1ea1p h\u01a1n.<\/p>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn Ethernet<\/h2>\n<p>Ethernet ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, v\u1edbi nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n t\u1eadp trung v\u00e0o vi\u1ec7c t\u0103ng t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u, gi\u1ea3m \u0111\u1ed9 tr\u1ec5, n\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c v\u1edbi thi\u1ebft b\u1ecb hi\u1ec7n c\u00f3. M\u1ed9t s\u1ed1 c\u1ea3i ti\u1ebfn Ethernet s\u1eafp t\u1edbi bao g\u1ed3m Terabit Ethernet (TbE), nh\u1eb1m \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u 1 terabit m\u1ed7i gi\u00e2y v\u00e0 c\u00e1c c\u1ea3i ti\u1ebfn Power Over Ethernet (PoE), cho ph\u00e9p cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng l\u1edbn h\u01a1n qua c\u00e1p Ethernet.<\/p>\n<h2>M\u00e1y ch\u1ee7 proxy v\u00e0 m\u1ed1i li\u00ean h\u1ec7 c\u1ee7a ch\u00fang v\u1edbi Ethernet<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng vai tr\u00f2 trung gian trong vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u, cho ph\u00e9p n\u00e2ng cao kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t, b\u1ea3o m\u1eadt v\u00e0 ch\u1ee9c n\u0103ng. Trong m\u1ea1ng Ethernet, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t trong nh\u1eefng thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i, qu\u1ea3n l\u00fd l\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u cho c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c tr\u00ean m\u1ea1ng. M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 gi\u00fap th\u1ef1c thi c\u00e1c ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt, cung c\u1ea5p b\u1ed9 nh\u1edb \u0111\u1ec7m d\u1eef li\u1ec7u \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 cho ph\u00e9p truy c\u1eadp c\u00f3 ki\u1ec3m so\u00e1t v\u00e0o Internet trong m\u1ea1ng Ethernet.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 \u0111\u1ecdc th\u00eam v\u00e0 c\u00f3 th\u00eam th\u00f4ng tin chuy\u00ean s\u00e2u v\u1ec1 Ethernet, h\u00e3y xem x\u00e9t c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ul>\n<li>Nh\u00f3m l\u00e0m vi\u1ec7c Ethernet IEEE 802.3: <a href=\"http:\/\/www.ieee802.org\/3\/\" target=\"_new\" rel=\"noopener nofollow\">IEEE 802.3<\/a><\/li>\n<li>Gi\u1edbi thi\u1ec7u v\u1ec1 Ethernet c\u1ee7a Cisco: <a href=\"https:\/\/www.cisco.com\/c\/en\/us\/tech\/lan-switching\/ethernet.html\" target=\"_new\" rel=\"noopener nofollow\">C\u00f4ng ngh\u1ec7 Ethernet \u2013 Cisco<\/a><\/li>\n<li>H\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 Ethernet: <a href=\"https:\/\/www.computernetworkingnotes.com\/ccna-study-guide\/ethernet-tutorial-lan.html\" target=\"_new\" rel=\"noopener nofollow\">H\u01b0\u1edbng d\u1eabn v\u1ec1 Ethernet \u2013 M\u1ea1ng LAN, C\u00e1p, \u0110\u1ea7u n\u1ed1i, B\u1ed9 chuy\u1ec3n m\u1ea1ch<\/a><\/li>\n<\/ul>\n<p>Khi c\u00f4ng ngh\u1ec7 Ethernet ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, ch\u1eafc ch\u1eafn n\u00f3 s\u1ebd ti\u1ebfp t\u1ee5c l\u00e0 c\u00f4ng ngh\u1ec7 x\u01b0\u01a1ng s\u1ed1ng cho c\u00e1c m\u1ea1ng d\u1eef li\u1ec7u tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. T\u00ednh \u0111\u01a1n gi\u1ea3n, t\u00ednh linh ho\u1ea1t v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a n\u00f3 l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh s\u1ef1 l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho c\u00e1c m\u1ea1ng thu\u1ed9c m\u1ecdi quy m\u00f4, t\u1eeb thi\u1ebft l\u1eadp t\u1ea1i nh\u00e0 nh\u1ecf \u0111\u1ebfn c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng r\u1ed9ng l\u1edbn c\u1ee7a Internet. V\u1edbi OneProxy, b\u1ea1n c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng t\u00ednh m\u1ea1nh m\u1ebd c\u1ee7a c\u00f4ng ngh\u1ec7 Ethernet \u0111\u1ed3ng th\u1eddi h\u01b0\u1edfng l\u1ee3i t\u1eeb kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t v\u00e0 b\u1ea3o m\u1eadt do m\u00e1y ch\u1ee7 proxy cung c\u1ea5p.<\/p>","protected":false},"featured_media":468330,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477122","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Ethernet: A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is Ethernet?","answer":"<p>Ethernet is a family of computer networking technologies commonly used in local area networks (LAN), metropolitan area networks (MAN), and wide area networks (WAN). It connects devices within a network, like computers, routers, and switches, allowing for data exchange through the implementation of specific Ethernet standards and protocols.<\/p>"},{"question":"Who invented Ethernet and when?","answer":"<p>Ethernet was first conceived in the early 1970s by Robert Metcalfe, a researcher at Xerox's Palo Alto Research Center (PARC). The official Ethernet standard, known as IEEE 802.3, was then published by the Institute of Electrical and Electronics Engineers (IEEE) in 1983.<\/p>"},{"question":"How does Ethernet work?","answer":"<p>Ethernet operates based on a protocol known as Carrier Sense Multiple Access with Collision Detection (CSMA\/CD). Modern Ethernet networks primarily use a star topology with an Ethernet switch at the center of the star. Every Ethernet frame starts with a preamble and a start frame delimiter, followed by destination and source addresses, type field, payload, and ends with a frame check sequence.<\/p>"},{"question":"What are the key features of Ethernet?","answer":"<p>Key features of Ethernet include scalability, reliability, collision detection, topological versatility, and standardization. Ethernet's speed has evolved from 10 Mbps to up to 100 Gbps and beyond, showing its adaptability to different network requirements.<\/p>"},{"question":"What types of Ethernet exist?","answer":"<p>Ethernet types range from the original 10BASE-T Ethernet (10 Mbps) to Fast Ethernet (100 Mbps), Gigabit Ethernet (1 Gbps), 10-Gigabit Ethernet, 25-Gigabit Ethernet, 40-Gigabit Ethernet, 100-Gigabit Ethernet, 200-Gigabit Ethernet, and 400-Gigabit Ethernet. The medium used for transmission varies from twisted pair cabling to fiber.<\/p>"},{"question":"What are the common problems associated with Ethernet and their solutions?","answer":"<p>Common problems with Ethernet include network congestion, signal degradation over long cable lengths, and security concerns. These can often be mitigated with appropriate network design, such as using switches to divide the network into smaller collision domains, using repeaters or fiber optics for long-distance communication, and implementing network security measures.<\/p>"},{"question":"How does Ethernet compare with similar technologies?","answer":"<p>While Wi-Fi offers the convenience of wireless access, Ethernet usually provides higher speeds, lower latency, and more reliable connections. Ethernet competes with technologies like Multi-Protocol Label Switching (MPLS) and Software Defined Networking (SDN) in larger networks, but these require more sophisticated infrastructure and management.<\/p>"},{"question":"What are the future prospects for Ethernet?","answer":"<p>Ethernet continues to evolve with research and development focusing on increasing data transfer rates, reducing latency, improving efficiency, and ensuring backward compatibility. Upcoming Ethernet advancements include Terabit Ethernet (TbE) and Power Over Ethernet (PoE) advancements.<\/p>"},{"question":"How are proxy servers used with Ethernet?","answer":"<p>In an Ethernet network, a proxy server could be one of the connected devices, managing data traffic for other devices on the network. Proxy servers can help enforce security policies, provide data caching to enhance performance, and allow for controlled access to the internet in an Ethernet network.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477122","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\/477122\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/468330"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=477122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}