{"id":476166,"date":"2023-08-09T07:26:52","date_gmt":"2023-08-09T07:26:52","guid":{"rendered":""},"modified":"2023-09-05T11:12:10","modified_gmt":"2023-09-05T11:12:10","slug":"campus-area-network","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/campus-area-network\/","title":{"rendered":"M\u1ea1ng khu v\u1ef1c tr\u01b0\u1eddng"},"content":{"rendered":"<h2>Gi\u1edbi thi\u1ec7u<\/h2>\n<p>M\u1ea1ng khu v\u1ef1c khu\u00f4n vi\u00ean (CAN) l\u00e0 m\u1ed9t lo\u1ea1i m\u1ea1ng m\u00e1y t\u00ednh k\u1ebft n\u1ed1i nhi\u1ec1u t\u00f2a nh\u00e0 trong m\u1ed9t khu v\u1ef1c \u0111\u1ecba l\u00fd h\u1ea1n ch\u1ebf, ch\u1eb3ng h\u1ea1n nh\u01b0 khu\u00f4n vi\u00ean tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc, khu v\u0103n ph\u00f2ng c\u00f4ng ty, c\u0103n c\u1ee9 qu\u00e2n s\u1ef1 ho\u1eb7c khu ph\u1ee9c h\u1ee3p b\u1ec7nh vi\u1ec7n. C\u1ea5u tr\u00fac li\u00ean k\u1ebft m\u1ea1ng n\u00e0y cho ph\u00e9p chia s\u1ebb d\u1eef li\u1ec7u, li\u00ean l\u1ea1c v\u00e0 s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean hi\u1ec7u qu\u1ea3 gi\u1eefa c\u00e1c th\u1ef1c th\u1ec3 kh\u00e1c nhau trong khu\u00f4n vi\u00ean tr\u01b0\u1eddng, \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i li\u1ec1n m\u1ea1ch tr\u00ean to\u00e0n b\u1ed9 khu v\u1ef1c.<\/p>\n<h2>L\u1ecbch s\u1eed v\u00e0 ngu\u1ed3n g\u1ed1c<\/h2>\n<p>Kh\u00e1i ni\u1ec7m M\u1ea1ng khu v\u1ef1c tr\u01b0\u1eddng h\u1ecdc c\u00f3 t\u1eeb nh\u1eefng n\u0103m 1970 khi c\u00e1c t\u1ed5 ch\u1ee9c l\u1edbn t\u00ecm c\u00e1ch t\u00edch h\u1ee3p t\u00e0i nguy\u00ean m\u00e1y t\u00ednh c\u1ee7a h\u1ecd m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. \u0110\u1ea1i h\u1ecdc Hawaii \u0111\u00e3 tri\u1ec3n khai m\u1ed9t trong nh\u1eefng M\u1ea1ng l\u01b0\u1edbi Khu tr\u01b0\u1eddng s\u1edf \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn s\u1edbm nh\u1ea5t v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 1980, k\u1ebft n\u1ed1i khu\u00f4n vi\u00ean ch\u00ednh c\u1ee7a tr\u01b0\u1eddng v\u1edbi c\u00e1c c\u01a1 s\u1edf v\u1ec7 tinh tr\u00ean c\u00e1c h\u00f2n \u0111\u1ea3o kh\u00e1c nhau. Ban \u0111\u1ea7u, c\u00e1c m\u1ea1ng n\u00e0y s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng \u0111\u01a1n gi\u1ea3n nh\u01b0 Ethernet v\u00e0 c\u00e1c phi\u00ean b\u1ea3n \u0111\u1ea7u ti\u00ean c\u1ee7a TCP\/IP.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft<\/h2>\n<p>M\u1ea1ng khu v\u1ef1c tr\u01b0\u1eddng c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m l\u00e0 ph\u1ea1m vi \u0111\u1ecba l\u00fd h\u1ea1n ch\u1ebf, th\u01b0\u1eddng bao ph\u1ee7 m\u1ed9t khu v\u1ef1c v\u00e0i km. N\u00f3 kh\u00e1c v\u1edbi M\u1ea1ng c\u1ee5c b\u1ed9 (LAN) \u0111\u01b0\u1ee3c gi\u1edbi h\u1ea1n trong m\u1ed9t t\u00f2a nh\u00e0 duy nh\u1ea5t v\u00e0 M\u1ea1ng di\u1ec7n r\u1ed9ng (WAN) tr\u1ea3i r\u1ed9ng kh\u1eafp c\u00e1c th\u00e0nh ph\u1ed1 ho\u1eb7c qu\u1ed1c gia. CAN cung c\u1ea5p t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u cao h\u01a1n v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n so v\u1edbi WAN, khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u li\u00ean l\u1ea1c nhanh v\u00e0 \u0111\u00e1ng tin c\u1eady trong m\u00f4i tr\u01b0\u1eddng khu\u00f4n vi\u00ean tr\u01b0\u1eddng.<\/p>\n<h2>C\u1ea5u tr\u00fac v\u00e0 ch\u1ee9c n\u0103ng b\u00ean trong<\/h2>\n<p>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a M\u1ea1ng khu v\u1ef1c tr\u01b0\u1eddng th\u01b0\u1eddng bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh sau:<\/p>\n<ol>\n<li>\n<p><strong>B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 chuy\u1ec3n m\u1ea1ch<\/strong>: C\u00e1c thi\u1ebft b\u1ecb n\u00e0y c\u00f3 nhi\u1ec7m v\u1ee5 chuy\u1ec3n ti\u1ebfp c\u00e1c g\u00f3i d\u1eef li\u1ec7u gi\u1eefa c\u00e1c ph\u00e2n \u0111o\u1ea1n kh\u00e1c nhau c\u1ee7a m\u1ea1ng.<\/p>\n<\/li>\n<li>\n<p><strong>C\u00e1p v\u00e0 s\u1ee3i quang<\/strong>: CAN th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1p Ethernet v\u00e0 c\u00e1p quang \u0111\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao v\u00e0 \u0111\u00e1ng tin c\u1eady gi\u1eefa c\u00e1c t\u00f2a nh\u00e0.<\/p>\n<\/li>\n<li>\n<p><strong>M\u00e1y ch\u1ee7 m\u1ea1ng<\/strong>: M\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c tri\u1ec3n khai \u0111\u1ec3 qu\u1ea3n l\u00fd v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u, \u1ee9ng d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5 t\u1eadp trung cho ng\u01b0\u1eddi d\u00f9ng trong khu\u00f4n vi\u00ean tr\u01b0\u1eddng.<\/p>\n<\/li>\n<li>\n<p><strong>C\u00e1c \u0111i\u1ec3m truy c\u1eadp<\/strong>: C\u00e1c \u0111i\u1ec3m truy c\u1eadp kh\u00f4ng d\u00e2y \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u0111\u1ec3 cung c\u1ea5p k\u1ebft n\u1ed1i Wi-Fi trong khu v\u1ef1c khu\u00f4n vi\u00ean tr\u01b0\u1eddng.<\/p>\n<\/li>\n<li>\n<p><strong>T\u01b0\u1eddng l\u1eeda v\u00e0 thi\u1ebft b\u1ecb b\u1ea3o m\u1eadt<\/strong>: \u0110\u1ec3 b\u1ea3o v\u1ec7 m\u1ea1ng kh\u1ecfi c\u00e1c m\u1ed1i \u0111e d\u1ecda ti\u1ec1m \u1ea9n v\u00e0 truy c\u1eadp tr\u00e1i ph\u00e9p.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a M\u1ea1ng khu v\u1ef1c tr\u01b0\u1eddng h\u1ecdc<\/h2>\n<ul>\n<li>\n<p><strong>B\u0103ng t\u1ea7n cao<\/strong>: CAN cung c\u1ea5p dung l\u01b0\u1ee3ng b\u0103ng th\u00f4ng \u0111\u00e1ng k\u1ec3, cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u l\u1edbn v\u00e0 chia s\u1ebb n\u1ed9i dung \u0111a ph\u01b0\u01a1ng ti\u1ec7n.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110\u1ed9 tr\u1ec5 th\u1ea5p<\/strong>: V\u1edbi vi\u1ec7c gi\u1ea3m kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c n\u00fat, CAN gi\u1ea3m thi\u1ec3u \u0111\u1ed9 tr\u1ec5 truy\u1ec1n d\u1eef li\u1ec7u, khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng th\u1eddi gian th\u1ef1c.<\/p>\n<\/li>\n<li>\n<p><strong>Hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed<\/strong>: X\u00e2y d\u1ef1ng CAN th\u01b0\u1eddng ti\u1ebft ki\u1ec7m h\u01a1n so v\u1edbi vi\u1ec7c m\u1edf r\u1ed9ng m\u1ea1ng WAN tr\u00ean m\u1ed9t khu v\u1ef1c t\u01b0\u01a1ng t\u1ef1.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng d\u1ec5 d\u00e0ng<\/strong>: CAN c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng d\u1ec5 d\u00e0ng b\u1eb1ng c\u00e1ch b\u1ed5 sung th\u00eam b\u1ed9 chuy\u1ec3n m\u1ea1ch, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 \u0111i\u1ec3m truy c\u1eadp \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u m\u1ea1ng ng\u00e0y c\u00e0ng t\u0103ng.<\/p>\n<\/li>\n<li>\n<p><strong>H\u1ee3p t\u00e1c n\u00e2ng cao<\/strong>: M\u1ea1ng th\u00fac \u0111\u1ea9y s\u1ef1 li\u00ean l\u1ea1c v\u00e0 c\u1ed9ng t\u00e1c li\u1ec1n m\u1ea1ch gi\u1eefa c\u00e1c ph\u00f2ng ban v\u00e0 c\u00e1 nh\u00e2n trong khu\u00f4n vi\u00ean tr\u01b0\u1eddng.<\/p>\n<\/li>\n<\/ul>\n<h2>C\u00e1c lo\u1ea1i m\u1ea1ng khu v\u1ef1c tr\u01b0\u1eddng h\u1ecdc<\/h2>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>C\u00d3 TH\u1ec2 ph\u1eb3ng<\/strong><\/td>\n<td>T\u1ea5t c\u1ea3 c\u00e1c t\u00f2a nh\u00e0 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi m\u1ed9t trung t\u00e2m m\u1ea1ng trung t\u00e2m duy nh\u1ea5t.<\/td>\n<\/tr>\n<tr>\n<td><strong>C\u00d3 TH\u1ec2 ph\u00e2n c\u1ea5p<\/strong><\/td>\n<td>C\u00e1c c\u01a1 s\u1edf l\u1edbn h\u01a1n s\u1eed d\u1ee5ng nhi\u1ec1u trung t\u00e2m m\u1ea1ng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi nhau.<\/td>\n<\/tr>\n<tr>\n<td><strong>C\u00d3 TH\u1ec2 ph\u00e2n ph\u1ed1i<\/strong><\/td>\n<td>Ki\u1ebfn tr\u00fac phi t\u1eadp trung, m\u1ed7i t\u00f2a nh\u00e0 v\u1eadn h\u00e0nh CAN c\u1ee7a m\u00ecnh.<\/td>\n<\/tr>\n<tr>\n<td><strong>CAN \u1ea3o (VCAN)<\/strong><\/td>\n<td>C\u00e1c ph\u00e2n \u0111o\u1ea1n m\u1ea1ng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi nhau h\u1ea7u nh\u01b0 th\u00f4ng qua VPN.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>S\u1eed d\u1ee5ng, th\u00e1ch th\u1ee9c v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<h3>C\u00f4ng d\u1ee5ng c\u1ee7a M\u1ea1ng Khu v\u1ef1c Tr\u01b0\u1eddng h\u1ecdc<\/h3>\n<ol>\n<li>\n<p><strong>M\u1ee5c \u0111\u00edch h\u1ecdc t\u1eadp v\u00e0 nghi\u00ean c\u1ee9u<\/strong>: T\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho s\u1ef1 h\u1ee3p t\u00e1c gi\u1eefa sinh vi\u00ean, gi\u1ea3ng vi\u00ean v\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u, cho ph\u00e9p h\u1ecd chia s\u1ebb t\u00e0i nguy\u00ean v\u00e0 truy c\u1eadp c\u01a1 s\u1edf d\u1eef li\u1ec7u tr\u1ef1c tuy\u1ebfn.<\/p>\n<\/li>\n<li>\n<p><strong>Hi\u1ec7u qu\u1ea3 h\u00e0nh ch\u00ednh<\/strong>: H\u1ee3p l\u00fd h\u00f3a c\u00e1c nhi\u1ec7m v\u1ee5 h\u00e0nh ch\u00ednh nh\u01b0 tuy\u1ec3n sinh, \u0111i\u1ec3m danh v\u00e0 li\u00ean l\u1ea1c trong to\u00e0n tr\u01b0\u1eddng.<\/p>\n<\/li>\n<li>\n<p><strong>D\u1ecbch v\u1ee5 th\u01b0 vi\u1ec7n<\/strong>: Cung c\u1ea5p quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c t\u00e0i nguy\u00ean v\u00e0 danh m\u1ee5c k\u1ef9 thu\u1eadt s\u1ed1 t\u1eeb b\u1ea5t k\u1ef3 v\u1ecb tr\u00ed n\u00e0o trong khu\u00f4n vi\u00ean tr\u01b0\u1eddng.<\/p>\n<\/li>\n<li>\n<p><strong>H\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh v\u00e0 truy\u1ec1n ph\u00e1t video<\/strong>: Cho ph\u00e9p c\u00e1c cu\u1ed9c h\u1ecdp \u1ea3o v\u00e0 ch\u01b0\u01a1ng tr\u00ecnh ph\u00e1t s\u00f3ng tr\u1ef1c ti\u1ebfp li\u1ec1n m\u1ea1ch.<\/p>\n<\/li>\n<li>\n<p><strong>An ninh tr\u01b0\u1eddng h\u1ecdc<\/strong>: T\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t v\u00e0 ki\u1ec3m so\u00e1t truy c\u1eadp \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng an to\u00e0n.<\/p>\n<\/li>\n<\/ol>\n<h3>Nh\u1eefng th\u00e1ch th\u1ee9c v\u00e0 gi\u1ea3i ph\u00e1p<\/h3>\n<ol>\n<li>\n<p><strong>Nhi\u1ec5u v\u00e0 t\u00edn hi\u1ec7u y\u1ebfu<\/strong>: M\u1ea1ng kh\u00f4ng d\u00e2y c\u00f3 th\u1ec3 b\u1ecb nhi\u1ec5u v\u00e0 t\u00edn hi\u1ec7u y\u1ebfu. Vi\u1ec7c b\u1ed5 sung th\u00eam nhi\u1ec1u \u0111i\u1ec3m truy c\u1eadp v\u00e0 s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 \u0103ng-ten ti\u00ean ti\u1ebfn c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<\/li>\n<li>\n<p><strong>T\u1eafc ngh\u1ebdn m\u1ea1ng<\/strong>: L\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn trong gi\u1edd cao \u0111i\u1ec3m c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u1eafc ngh\u1ebdn m\u1ea1ng. Vi\u1ec7c s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf Ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 (QoS) c\u00f3 th\u1ec3 \u01b0u ti\u00ean d\u1eef li\u1ec7u quan tr\u1ecdng.<\/p>\n<\/li>\n<li>\n<p><strong>M\u1ed1i quan t\u00e2m v\u1ec1 b\u1ea3o m\u1eadt<\/strong>: Vi\u1ec7c b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m v\u00e0 ng\u0103n ch\u1eb7n truy c\u1eadp tr\u00e1i ph\u00e9p \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u00f3 t\u01b0\u1eddng l\u1eeda, m\u00e3 h\u00f3a m\u1ea1nh m\u1ebd v\u00e0 ki\u1ec3m tra b\u1ea3o m\u1eadt th\u01b0\u1eddng xuy\u00ean.<\/p>\n<\/li>\n<\/ol>\n<h2>\u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh \u2013 So s\u00e1nh<\/h2>\n<table>\n<thead>\n<tr>\n<th>Di\u1ec7n m\u1ea1o<\/th>\n<th>M\u1ea1ng khu v\u1ef1c tr\u01b0\u1eddng h\u1ecdc (CAN)<\/th>\n<th>M\u1ea1ng c\u1ee5c b\u1ed9 (LAN)<\/th>\n<th>M\u1ea1ng di\u1ec7n r\u1ed9ng (WAN)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ph\u1ea1m vi \u0111\u1ecba l\u00fd<\/td>\n<td>Khu v\u1ef1c khu\u00f4n vi\u00ean h\u1ea1n ch\u1ebf<\/td>\n<td>T\u00f2a nh\u00e0 \u0111\u01a1n<\/td>\n<td>Th\u00e0nh ph\u1ed1, Qu\u1ed1c gia ho\u1eb7c h\u01a1n th\u1ebf n\u1eefa<\/td>\n<\/tr>\n<tr>\n<td>T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u<\/td>\n<td>Cao<\/td>\n<td>Trung b\u00ecnh \u0111\u1ebfn cao<\/td>\n<td>Trung b\u00ecnh \u0111\u1ebfn th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 tr\u1ec5<\/td>\n<td>Th\u1ea5p<\/td>\n<td>Th\u1ea5p<\/td>\n<td>Trung b\u00ecnh \u0111\u1ebfn cao<\/td>\n<\/tr>\n<tr>\n<td>Tr\u1ecb gi\u00e1<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>Th\u1ea5p<\/td>\n<td>Cao<\/td>\n<\/tr>\n<tr>\n<td>S\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/td>\n<td>\u1ee8ng d\u1ee5ng to\u00e0n tr\u01b0\u1eddng<\/td>\n<td>V\u0103n ph\u00f2ng, Nh\u00e0 ho\u1eb7c Tr\u01b0\u1eddng h\u1ecdc<\/td>\n<td>K\u1ebft n\u1ed1i c\u00e1c th\u00e0nh ph\u1ed1<\/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>Khi c\u00f4ng ngh\u1ec7 ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, M\u1ea1ng Khu v\u1ef1c Khu\u00f4n vi\u00ean d\u1ef1 ki\u1ebfn s\u1ebd ch\u1ee9ng ki\u1ebfn nh\u1eefng c\u1ea3i ti\u1ebfn \u0111\u00e1ng k\u1ec3 v\u1ec1 kh\u1ea3 n\u0103ng c\u1ee7a m\u00ecnh. M\u1ed9t s\u1ed1 s\u1ef1 ph\u00e1t tri\u1ec3n ti\u1ec1m n\u0103ng trong t\u01b0\u01a1ng lai bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>T\u1ed1c \u0111\u1ed9 cao h\u01a1n<\/strong>: Vi\u1ec7c tri\u1ec3n khai c\u00e1c giao th\u1ee9c truy\u1ec1n th\u00f4ng t\u1ed1c \u0111\u1ed9 cao m\u1edbi n\u1ed5i nh\u01b0 5G tr\u1edf l\u00ean s\u1ebd n\u00e2ng cao h\u01a1n n\u1eefa t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u trong CAN.<\/p>\n<\/li>\n<li>\n<p><strong>T\u00edch h\u1ee3p IoT<\/strong>: CAN s\u1ebd ng\u00e0y c\u00e0ng k\u1ebft h\u1ee3p c\u00e1c thi\u1ebft b\u1ecb Internet of Things (IoT) \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u1ef1 \u0111\u1ed9ng h\u00f3a trong khu\u00f4n vi\u00ean tr\u01b0\u1eddng, hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u.<\/p>\n<\/li>\n<li>\n<p><strong>M\u1ea1ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng ph\u1ea7n m\u1ec1m (SDN)<\/strong>: SDN s\u1ebd cho ph\u00e9p qu\u1ea3n l\u00fd m\u1ea1ng n\u0103ng \u0111\u1ed9ng v\u00e0 linh ho\u1ea1t h\u01a1n, gi\u00fap x\u1eed l\u00fd c\u00e1c nhu c\u1ea7u \u0111a d\u1ea1ng c\u1ee7a m\u1ea1ng tr\u01b0\u1eddng h\u1ecdc d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n<\/li>\n<\/ol>\n<h2>M\u00e1y ch\u1ee7 proxy v\u00e0 m\u1ea1ng khu v\u1ef1c tr\u01b0\u1eddng h\u1ecdc<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt v\u00e0 hi\u1ec7u su\u1ea5t trong M\u1ea1ng Khu v\u1ef1c Tr\u01b0\u1eddng h\u1ecdc. B\u1eb1ng c\u00e1ch \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 internet, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3:<\/p>\n<ul>\n<li>\n<p><strong>B\u1ed9 nh\u1edb \u0111\u1ec7m n\u1ed9i dung web<\/strong>: L\u01b0u tr\u1eef n\u1ed9i dung web \u0111\u01b0\u1ee3c truy c\u1eadp th\u01b0\u1eddng xuy\u00ean, gi\u1ea3m m\u1ee9c s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng b\u00ean ngo\u00e0i v\u00e0 c\u1ea3i thi\u1ec7n th\u1eddi gian t\u1ea3i trang web.<\/p>\n<\/li>\n<li>\n<p><strong>L\u1ecdc l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp web<\/strong>: Tri\u1ec3n khai c\u00e1c ch\u00ednh s\u00e1ch l\u1ecdc n\u1ed9i dung v\u00e0 ki\u1ec3m so\u00e1t truy c\u1eadp \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o vi\u1ec7c s\u1eed d\u1ee5ng Internet an to\u00e0n v\u00e0 tu\u00e2n th\u1ee7.<\/p>\n<\/li>\n<li>\n<p><strong>\u1ea8n danh ng\u01b0\u1eddi d\u00f9ng<\/strong>: Cung c\u1ea5p t\u00ednh \u1ea9n danh cho ng\u01b0\u1eddi d\u00f9ng trong khu\u00f4n vi\u00ean tr\u01b0\u1eddng khi truy c\u1eadp c\u00e1c t\u00e0i nguy\u00ean b\u00ean ngo\u00e0i, t\u0103ng c\u01b0\u1eddng quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 b\u1ea3o m\u1eadt.<\/p>\n<\/li>\n<\/ul>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 M\u1ea1ng khu v\u1ef1c tr\u01b0\u1eddng, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ol>\n<li><a href=\"https:\/\/ieeexplore.ieee.org\/document\/933307\" target=\"_new\" rel=\"noopener nofollow\">T\u1ea1p ch\u00ed Truy\u1ec1n th\u00f4ng IEEE \u2013 M\u1ea1ng khu v\u1ef1c tr\u01b0\u1eddng h\u1ecdc<\/a><\/li>\n<li><a href=\"https:\/\/www.netacad.com\/courses\/ndg-ccna-routing-and-switching-essentials-v6-0\" target=\"_new\" rel=\"noopener nofollow\">H\u1ecdc vi\u1ec7n m\u1ea1ng Cisco \u2013 M\u1ea1ng khu v\u1ef1c tr\u01b0\u1eddng h\u1ecdc<\/a><\/li>\n<li><a href=\"https:\/\/www.networkworld.com\/article\/3163849\/understanding-campus-area-networking.html\" target=\"_new\" rel=\"noopener nofollow\">Th\u1ebf Gi\u1edbi M\u1ea1ng \u2013 T\u00ecm Hi\u1ec3u M\u1ea1ng Khu V\u1ef1c Khu\u00f4n Vi\u00ean<\/a><\/li>\n<\/ol>\n<p>T\u00f3m l\u1ea1i, M\u1ea1ng Khu v\u1ef1c Tr\u01b0\u1eddng h\u1ecdc cung c\u1ea5p x\u01b0\u01a1ng s\u1ed1ng cho vi\u1ec7c li\u00ean l\u1ea1c v\u00e0 chia s\u1ebb d\u1eef li\u1ec7u li\u1ec1n m\u1ea1ch trong c\u00e1c tr\u01b0\u1eddng ho\u1eb7c t\u1ed5 ch\u1ee9c l\u1edbn. V\u1edbi ti\u1ec1m n\u0103ng ph\u00e1t tri\u1ec3n v\u00e0 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 trong t\u01b0\u01a1ng lai, CAN ti\u1ebfp t\u1ee5c l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng hi\u1ec7n \u0111\u1ea1i.<\/p>","protected":false},"featured_media":476167,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476166","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Campus Area Network (CAN) - A Comprehensive Guide<\/mark>","faq_items":[{"question":"What is a Campus Area Network (CAN)?","answer":"<p>A Campus Area Network (CAN) is a type of computer network that connects multiple buildings within a limited geographical area, such as a university campus or corporate office park. It enables efficient data sharing and communication among various entities within the campus, ensuring seamless connectivity across the entire area.<\/p>"},{"question":"How did Campus Area Networks originate?","answer":"<p>The concept of Campus Area Networks emerged in the 1970s as institutions sought effective ways to integrate their computing resources. The University of Hawaii is known to have deployed one of the earliest CANs in the early 1980s, connecting its main campus with satellite campuses on different islands.<\/p>"},{"question":"What are the key features of Campus Area Networks?","answer":"<p>CANs offer several key features, including high bandwidth, low latency, cost-effectiveness, easy scalability, and enhanced collaboration. These attributes make them suitable for real-time applications, efficient resource utilization, and seamless communication within the campus setting.<\/p>"},{"question":"What are the different types of Campus Area Networks?","answer":"<p>There are several types of CANs:<\/p><ul><li>Flat CAN: All buildings connected to a single central network hub.<\/li><li>Hierarchical CAN: Larger campuses use multiple interconnected network hubs.<\/li><li>Distributed CAN: Each building operates its CAN in a decentralized architecture.<\/li><li>Virtual CAN (VCAN): Network segments interconnected virtually through VPNs.<\/li><\/ul>"},{"question":"How are proxy servers associated with Campus Area Networks?","answer":"<p>Proxy servers play a significant role in CANs by enhancing security and performance. They act as intermediaries between users and the internet, caching web content, filtering web traffic, and providing anonymity to users when accessing external resources.<\/p>"},{"question":"What are some common uses of Campus Area Networks?","answer":"<p>CANs serve various purposes, including facilitating academic and research collaboration, improving administrative efficiency, providing library services, enabling teleconferencing and video streaming, and enhancing campus security through integrated surveillance systems.<\/p>"},{"question":"What challenges do Campus Area Networks face, and how are they addressed?","answer":"<p>CANs may encounter challenges such as interference, network congestion, and security concerns. To mitigate these issues, network administrators can employ advanced antenna technologies, implement Quality of Service (QoS) mechanisms, and enhance security measures through firewalls and encryption.<\/p>"},{"question":"What does the future hold for Campus Area Networks?","answer":"<p>As technology advances, CANs are expected to witness higher speeds through protocols like 5G, greater integration with the Internet of Things (IoT) devices, and more dynamic network management using Software-Defined Networking (SDN). These developments will further enhance the capabilities and efficiency of CANs.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476166","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\/476166\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/476167"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=476166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}