{"id":477979,"date":"2023-08-09T09:23:20","date_gmt":"2023-08-09T09:23:20","guid":{"rendered":""},"modified":"2023-09-05T11:15:50","modified_gmt":"2023-09-05T11:15:50","slug":"media-access-unit","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/media-access-unit\/","title":{"rendered":"\u0110\u01a1n v\u1ecb truy c\u1eadp ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng"},"content":{"rendered":"<p>Thi\u1ebft b\u1ecb truy c\u1eadp ph\u01b0\u01a1ng ti\u1ec7n (MAU) l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n m\u1ea1ng quan tr\u1ecdng cho ph\u00e9p k\u1ebft n\u1ed1i gi\u1eefa m\u00e1y t\u00ednh ho\u1eb7c thi\u1ebft b\u1ecb kh\u00e1c v\u00e0 m\u1ea1ng lo\u1ea1i Ethernet. N\u00f3 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t giao di\u1ec7n h\u1ed7 tr\u1ee3 vi\u1ec7c truy\u1ec1n v\u00e0 nh\u1eadn d\u1eef li\u1ec7u, \u0111\u1ea3m b\u1ea3o t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch theo y\u00eau c\u1ea7u c\u1ee7a m\u1ea1ng.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a thi\u1ebft b\u1ecb truy c\u1eadp ph\u01b0\u01a1ng ti\u1ec7n v\u00e0 s\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 n\u00f3<\/h2>\n<p>S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a MAU c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb nh\u1eefng ng\u00e0y \u0111\u1ea7u c\u1ee7a m\u1ea1ng Ethernet v\u00e0o nh\u1eefng n\u0103m 1980. Vi\u1ec7c Ethernet tr\u1edf th\u00e0nh c\u00f4ng ngh\u1ec7 m\u1ea1ng th\u1ed1ng tr\u1ecb d\u1eabn \u0111\u1ebfn nhu c\u1ea7u v\u1ec1 c\u00e1c thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3 vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u trong c\u00e1c m\u1ea1ng n\u00e0y. Vi\u1ec7c t\u1ea1o ra MAU l\u00e0 m\u1ed9t s\u1ef1 \u0111\u00e1p \u1ee9ng cho nhu c\u1ea7u n\u00e0y. L\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn Thi\u1ebft b\u1ecb truy c\u1eadp ph\u01b0\u01a1ng ti\u1ec7n xu\u1ea5t hi\u1ec7n trong nhi\u1ec1u t\u00e0i li\u1ec7u v\u00e0 ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt kh\u00e1c nhau c\u1ee7a th\u1eddi \u0111\u1ea1i, \u0111\u1eb7c bi\u1ec7t li\u00ean quan \u0111\u1ebfn ti\u00eau chu\u1ea9n Ethernet 10BASE5.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 \u0110\u01a1n v\u1ecb truy c\u1eadp ph\u01b0\u01a1ng ti\u1ec7n: M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1<\/h2>\n<p>Thi\u1ebft b\u1ecb truy c\u1eadp ph\u01b0\u01a1ng ti\u1ec7n l\u00e0 m\u1ed9t lo\u1ea1i b\u1ed9 thu ph\u00e1t chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u gi\u1eefa c\u00e1p \u0111\u1ed3ng tr\u1ee5c c\u1ee7a Ethernet v\u00e0 t\u00edn hi\u1ec7u b\u00ean trong c\u1ee7a m\u00e1y t\u00ednh. N\u00f3 h\u1ed7 tr\u1ee3 l\u1edbp v\u1eadt l\u00fd c\u1ee7a m\u00f4 h\u00ecnh OSI, \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c g\u00f3i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n v\u00e0 nh\u1eadn m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/p>\n<h3>Ch\u1ee9c n\u0103ng ch\u00ednh<\/h3>\n<ol>\n<li><strong>Chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u<\/strong>: Chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u s\u1ed1 th\u00e0nh t\u00edn hi\u1ec7u c\u00f3 th\u1ec3 truy\u1ec1n qua m\u00f4i tr\u01b0\u1eddng m\u1ea1ng.<\/li>\n<li><strong>Ph\u00e1t hi\u1ec7n va ch\u1ea1m<\/strong>: Ph\u00e1t hi\u1ec7n khi nhi\u1ec1u thi\u1ebft b\u1ecb \u0111ang c\u1ed1 g\u1eafng truy\u1ec1n \u0111\u1ed3ng th\u1eddi, t\u00ecnh tr\u1ea1ng n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 xung \u0111\u1ed9t.<\/li>\n<li><strong>S\u1ef1 c\u00e1ch ly<\/strong>: C\u00e1ch ly \u0111i\u1ec7n c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i kh\u1ecfi m\u1ea1ng \u0111\u1ec3 ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng c\u00f3 th\u1ec3 x\u1ea3y ra.<\/li>\n<li><strong>Li\u00ean k\u1ebft d\u1eef li\u1ec7u<\/strong>: \u0110\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u00e0 c\u0103n ch\u1ec9nh ch\u00ednh x\u00e1c \u0111\u1ec3 truy\u1ec1n v\u00e0 nh\u1eadn th\u00edch h\u1ee3p.<\/li>\n<\/ol>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a \u0110\u01a1n v\u1ecb truy c\u1eadp ph\u01b0\u01a1ng ti\u1ec7n: MAU ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n<p>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a MAU th\u01b0\u1eddng bao g\u1ed3m nhi\u1ec1u th\u00e0nh ph\u1ea7n kh\u00e1c nhau x\u1eed l\u00fd c\u00e1c nhi\u1ec7m v\u1ee5 kh\u00e1c nhau:<\/p>\n<ol>\n<li><strong>H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n<\/strong>: X\u1eed l\u00fd vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u s\u1ed1 th\u00e0nh t\u00edn hi\u1ec7u t\u01b0\u01a1ng t\u1ef1.<\/li>\n<li><strong>Ng\u01b0\u1eddi nh\u1eadn<\/strong>: Ch\u1ecbu tr\u00e1ch nhi\u1ec7m chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u t\u01b0\u01a1ng t\u1ef1 tr\u1edf l\u1ea1i d\u1eef li\u1ec7u s\u1ed1.<\/li>\n<li><strong>M\u00e1y d\u00f2 va ch\u1ea1m<\/strong>: Gi\u00e1m s\u00e1t m\u1ea1ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c n\u1ed7 l\u1ef1c truy\u1ec1n \u0111\u1ed3ng th\u1eddi.<\/li>\n<li><strong>Bi\u1ebfn \u00e1p c\u00e1ch ly<\/strong>: Cung c\u1ea5p c\u00e1ch ly \u0111i\u1ec7n gi\u1eefa thi\u1ebft b\u1ecb v\u00e0 m\u1ea1ng.<\/li>\n<li><strong>Ki\u1ec3m so\u00e1t logic<\/strong>: Qu\u1ea3n l\u00fd ho\u1ea1t \u0111\u1ed9ng chung v\u00e0 ph\u1ed1i h\u1ee3p c\u1ee7a \u0111\u01a1n v\u1ecb.<\/li>\n<\/ol>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a \u0110\u01a1n v\u1ecb truy c\u1eadp ph\u01b0\u01a1ng ti\u1ec7n<\/h2>\n<ul>\n<li><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch<\/strong>: H\u1ed7 tr\u1ee3 c\u00e1c ti\u00eau chu\u1ea9n Ethernet kh\u00e1c nhau.<\/li>\n<li><strong>Uy\u1ec3n chuy\u1ec3n<\/strong>: C\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi c\u00e1c lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n m\u1ea1ng kh\u00e1c nhau.<\/li>\n<li><strong>\u0111\u1ed9 tin c\u1eady<\/strong>: Thi\u1ebft k\u1ebf ch\u1eafc ch\u1eafn \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng chi tr\u1ea3<\/strong>: Th\u01b0\u1eddng ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n so v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n m\u1ea1ng kh\u00e1c.<\/li>\n<\/ul>\n<h2>C\u00e1c lo\u1ea1i \u0111\u01a1n v\u1ecb truy c\u1eadp ph\u01b0\u01a1ng ti\u1ec7n<\/h2>\n<p>C\u00e1c lo\u1ea1i MAU kh\u00e1c nhau \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c ti\u00eau chu\u1ea9n Ethernet kh\u00e1c nhau.<\/p>\n<table>\n<thead>\n<tr>\n<th>Ti\u00eau chu\u1ea9n<\/th>\n<th>Lo\u1ea1i MAU<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>10BASE5<\/td>\n<td>Giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng 15 ch\u00e2n<\/td>\n<\/tr>\n<tr>\n<td>10BASE2<\/td>\n<td>BNC<\/td>\n<\/tr>\n<tr>\n<td>10BASE-T<\/td>\n<td>RJ-45<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb truy c\u1eadp ph\u01b0\u01a1ng ti\u1ec7n, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p c\u1ee7a ch\u00fang<\/h2>\n<h3>C\u00e1ch s\u1eed d\u1ee5ng<\/h3>\n<ul>\n<li>K\u1ebft n\u1ed1i m\u00e1y t\u00ednh v\u1edbi m\u1ea1ng Ethernet.<\/li>\n<li>Li\u00ean k\u1ebft c\u00e1c ph\u00e2n \u0111o\u1ea1n m\u1ea1ng kh\u00e1c nhau.<\/li>\n<\/ul>\n<h3>V\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h3>\n<ul>\n<li><strong>S\u1ef1 can thi\u1ec7p<\/strong>: S\u1eed d\u1ee5ng t\u1ea5m ch\u1eafn th\u00edch h\u1ee3p c\u00f3 th\u1ec3 gi\u1ea3m nhi\u1ec5u.<\/li>\n<li><strong>Nh\u1eefng v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch<\/strong>: Vi\u1ec7c \u0111\u1ea3m b\u1ea3o s\u1eed d\u1ee5ng \u0111\u00fang lo\u1ea1i MAU c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 t\u01b0\u01a1ng th\u00edch.<\/li>\n<\/ul>\n<h2>\u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 nh\u1eefng so s\u00e1nh kh\u00e1c<\/h2>\n<table>\n<thead>\n<tr>\n<th>T\u00ednh n\u0103ng<\/th>\n<th>\u0110\u01a1n v\u1ecb truy c\u1eadp ph\u01b0\u01a1ng ti\u1ec7n<\/th>\n<th>Thi\u1ebft b\u1ecb t\u01b0\u01a1ng t\u1ef1<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ch\u1ee9c n\u0103ng<\/td>\n<td>Chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u<\/td>\n<td>T\u01b0\u01a1ng t\u1ef1<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch<\/td>\n<td>Ti\u00eau chu\u1ea9n kh\u00e1c nhau<\/td>\n<td>Gi\u1edbi h\u1ea1n<\/td>\n<\/tr>\n<tr>\n<td>Tr\u1ecb gi\u00e1<\/td>\n<td>C\u00f3 th\u1ec3 chi tr\u1ea3<\/td>\n<td>C\u00f3 th\u1ec3 thay \u0111\u1ed5i<\/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 \u0111\u01a1n v\u1ecb truy c\u1eadp ph\u01b0\u01a1ng ti\u1ec7n<\/h2>\n<p>Khi c\u00f4ng ngh\u1ec7 m\u1ea1ng ph\u00e1t tri\u1ec3n, MAU ti\u1ebfp t\u1ee5c th\u00edch \u1ee9ng. C\u00e1c MAU trong t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p:<\/p>\n<ol>\n<li><strong>H\u1ed7 tr\u1ee3 b\u0103ng th\u00f4ng cao h\u01a1n<\/strong>: \u0110\u1ec3 \u0111\u00e1p \u1ee9ng t\u1ed1c \u0111\u1ed9 m\u1ea1ng nhanh h\u01a1n.<\/li>\n<li><strong>T\u00ednh n\u0103ng b\u1ea3o m\u1eadt n\u00e2ng cao<\/strong>: \u0110\u1ec3 t\u0103ng c\u01b0\u1eddng an ninh m\u1ea1ng.<\/li>\n<li><strong>T\u00edch h\u1ee3p v\u1edbi c\u00e1c giao th\u1ee9c n\u00e2ng cao<\/strong>: \u0110\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c nhu c\u1ea7u k\u1ebft n\u1ed1i m\u1ea1ng hi\u1ec7n \u0111\u1ea1i.<\/li>\n<\/ol>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi thi\u1ebft b\u1ecb truy c\u1eadp ph\u01b0\u01a1ng ti\u1ec7n<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy v\u00e0 MAU c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng. Trong khi MAU qu\u1ea3n l\u00fd k\u1ebft n\u1ed1i v\u1eadt l\u00fd, m\u00e1y ch\u1ee7 proxy ki\u1ec3m so\u00e1t lu\u1ed3ng d\u1eef li\u1ec7u, cung c\u1ea5p th\u00eam c\u00e1c l\u1edbp b\u1ea3o m\u1eadt v\u00e0 hi\u1ec7u qu\u1ea3. Vi\u1ec7c t\u00edch h\u1ee3p MAU v\u1edbi m\u00e1y ch\u1ee7 proxy nh\u01b0 OneProxy cho ph\u00e9p qu\u1ea3n l\u00fd m\u1ea1ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t v\u00e0 t\u1ed1i \u01b0u h\u00f3a h\u01a1n.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/standards.ieee.org\" target=\"_new\" rel=\"noopener nofollow\">Ti\u00eau chu\u1ea9n IEEE cho Ethernet<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/vn\/guide\/\" target=\"_new\" rel=\"noopener\">H\u01b0\u1edbng d\u1eabn k\u1ebft n\u1ed1i m\u1ea1ng c\u1ee7a OneProxy<\/a><\/li>\n<li><a href=\"https:\/\/www.networkworld.com\" target=\"_new\" rel=\"noopener nofollow\">T\u1ed5ng quan v\u1ec1 c\u00e1c th\u00e0nh ph\u1ea7n m\u1ea1ng<\/a><\/li>\n<li><a href=\"https:\/\/www.computerweekly.com\" target=\"_new\" rel=\"noopener nofollow\">Hi\u1ec3u \u0111\u01a1n v\u1ecb truy c\u1eadp ph\u01b0\u01a1ng ti\u1ec7n<\/a><\/li>\n<\/ul>\n<p>L\u01b0u \u00fd: C\u00e1c li\u00ean k\u1ebft tr\u00ean h\u01b0\u1edbng t\u1edbi c\u00e1c t\u00e0i nguy\u00ean chung v\u00e0 c\u00f3 th\u1ec3 kh\u00f4ng t\u1eadp trung c\u1ee5 th\u1ec3 v\u00e0o MAU. \u0110\u1ea3m b\u1ea3o ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u s\u00e2u h\u01a1n khi c\u1ea7n thi\u1ebft.<\/p>","protected":false},"featured_media":477980,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477979","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Media Access Unit (MAU)<\/mark>","faq_items":[{"question":"What is a Media Access Unit (MAU)?","answer":"<p>A Media Access Unit (MAU) is a device that enables the connection between a computer or other device and an Ethernet-type network. It functions as an interface that facilitates the transmission and reception of data, ensuring that signals are properly converted and handled according to the network's requirements.<\/p>"},{"question":"What are the key functions of a Media Access Unit?","answer":"<p>The key functions of a MAU include signal conversion, collision detection, electrical isolation, and data linking. It ensures that digital data is converted into signals for transmission and vice versa while monitoring the network for collisions and providing electrical isolation to prevent damage.<\/p>"},{"question":"How does the internal structure of a Media Access Unit work?","answer":"<p>The internal structure of a MAU consists of a transmitter for converting digital data into analog signals, a receiver for converting analog signals back into digital data, a collision detector for monitoring the network, an isolation transformer for electrical isolation, and control logic to manage the overall operation.<\/p>"},{"question":"What types of Media Access Units exist?","answer":"<p>Different types of MAUs have been designed to support various Ethernet standards, including 15-pin AUI for 10BASE5, BNC for 10BASE2, and RJ-45 for 10BASE-T.<\/p>"},{"question":"What are some common problems with Media Access Units and their solutions?","answer":"<p>Some common problems with MAUs include interference and compatibility issues. These can be resolved by using proper shielding to reduce interference and ensuring the correct type of MAU is used for compatibility.<\/p>"},{"question":"How are proxy servers associated with Media Access Units?","answer":"<p>Proxy servers and MAUs can work together within a network. While MAUs manage the physical connection, proxy servers control the data flow, offering additional security and efficiency. They can be integrated for more controlled and optimized network management.<\/p>"},{"question":"What are the future perspectives and technologies related to Media Access Units?","answer":"<p>Future perspectives and technologies related to MAUs may include higher bandwidth support, enhanced security features, and integration with advanced protocols. These advancements will enable MAUs to support modern networking demands and faster network speeds.<\/p>"},{"question":"How can I learn more about Media Access Units?","answer":"<p>You can learn more about Media Access Units through various resources, including the IEEE Standards for Ethernet, OneProxy's Guide to Networking, and other online guides and technical documents related to networking and Ethernet technologies.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477979","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\/477979\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/477980"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=477979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}