{"id":477940,"date":"2023-08-09T09:22:45","date_gmt":"2023-08-09T09:22:45","guid":{"rendered":""},"modified":"2023-09-05T11:15:43","modified_gmt":"2023-09-05T11:15:43","slug":"man","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/man\/","title":{"rendered":"NG\u01af\u1edcI \u0110\u00c0N \u00d4NG"},"content":{"rendered":"

M\u1ea1ng khu v\u1ef1c \u0111\u00f4 th\u1ecb (MAN) l\u00e0 m\u1ea1ng quy m\u00f4 l\u1edbn k\u1ebft n\u1ed1i nhi\u1ec1u m\u1ea1ng c\u1ee5c b\u1ed9 (LAN) trong m\u1ed9t khu v\u1ef1c \u0111\u1ecba l\u00fd c\u1ee5 th\u1ec3, th\u01b0\u1eddng bao ph\u1ee7 m\u1ed9t th\u00e0nh ph\u1ed1 ho\u1eb7c khu v\u1ef1c \u0111\u00f4 th\u1ecb. MAN \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa m\u1ea1ng LAN v\u00e0 m\u1ea1ng di\u1ec7n r\u1ed9ng (WAN), cung c\u1ea5p kh\u1ea3 n\u0103ng truy\u1ec1n v\u00e0 li\u00ean l\u1ea1c d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3 gi\u1eefa c\u00e1c \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c nhau trong m\u1ed9t kh\u00f4ng gian \u0111\u00f4 th\u1ecb x\u00e1c \u0111\u1ecbnh.<\/p>\n

L\u1ecbch s\u1eed v\u1ec1 ngu\u1ed3n g\u1ed1c c\u1ee7a CON NG\u01af\u1edcI v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u00f3<\/h2>\n

Kh\u00e1i ni\u1ec7m M\u1ea1ng khu v\u1ef1c \u0111\u00f4 th\u1ecb xu\u1ea5t hi\u1ec7n v\u00e0o nh\u1eefng n\u0103m 1970 khi nhu c\u1ea7u li\u00ean l\u1ea1c d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao gi\u1eefa c\u00e1c \u0111\u1ecba \u0111i\u1ec3m ph\u00e2n t\u00e1n v\u1ec1 m\u1eb7t \u0111\u1ecba l\u00fd trong m\u1ed9t th\u00e0nh ph\u1ed1 tr\u1edf n\u00ean r\u00f5 r\u00e0ng. S\u1ef1 \u0111\u1ec1 c\u1eadp s\u1edbm nh\u1ea5t v\u1ec1 MAN c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c m\u1ea1ng m\u00e1y t\u00ednh th\u1eddi k\u1ef3 \u0111\u1ea7u, n\u01a1i nh\u1eefng n\u1ed7 l\u1ef1c \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 k\u1ebft n\u1ed1i nhi\u1ec1u m\u1ea1ng LAN tr\u00ean m\u1ed9t khu v\u1ef1c r\u1ed9ng h\u01a1n.<\/p>\n

Th\u00f4ng tin chi ti\u1ebft v\u1ec1 MAN. M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1 MAN.<\/h2>\n

M\u1ea1ng khu v\u1ef1c \u0111\u00f4 th\u1ecb \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 bao ph\u1ee7 c\u00e1c khu v\u1ef1c l\u1edbn h\u01a1n m\u1ea1ng LAN nh\u01b0ng c\u00f3 quy m\u00f4 nh\u1ecf h\u01a1n so v\u1edbi m\u1ea1ng di\u1ec7n r\u1ed9ng (WAN). Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c m\u1ea1ng LAN kh\u00e1c nhau v\u00e0 cung c\u1ea5p c\u00e1c t\u00e0i nguy\u00ean, d\u1ecbch v\u1ee5 v\u00e0 kh\u1ea3 n\u0103ng trao \u0111\u1ed5i d\u1eef li\u1ec7u d\u00f9ng chung cho ng\u01b0\u1eddi d\u00f9ng tr\u00ean to\u00e0n khu v\u1ef1c \u0111\u00f4 th\u1ecb. MAN th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c li\u00ean k\u1ebft \u0111\u01b0\u1eddng tr\u1ee5c dung l\u01b0\u1ee3ng cao \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o truy\u1ec1n d\u1eef li\u1ec7u nhanh v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n

MAN th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1edf h\u1eefu v\u00e0 v\u1eadn h\u00e0nh b\u1edfi c\u00e1c c\u00f4ng ty vi\u1ec5n th\u00f4ng ho\u1eb7c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 internet (ISP). H\u1ecd s\u1eed d\u1ee5ng nhi\u1ec1u c\u00f4ng ngh\u1ec7 kh\u00e1c nhau nh\u01b0 Ethernet, SONET\/SDH (M\u1ea1ng quang \u0111\u1ed3ng b\u1ed9\/Ph\u00e2n c\u1ea5p k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ed3ng b\u1ed9), MPLS (Chuy\u1ec3n m\u1ea1ch nh\u00e3n \u0111a giao th\u1ee9c) v\u00e0 c\u00e1p quang \u0111\u1ec3 mang l\u1ea1i k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p.<\/p>\n

C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a MAN. C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a MAN.<\/h2>\n

C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a M\u1ea1ng Khu v\u1ef1c \u0110\u00f4 th\u1ecb bao g\u1ed3m m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n ch\u00ednh:<\/p>\n

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    X\u01b0\u01a1ng s\u1ed1ng:<\/strong> \u0110\u01b0\u1eddng tr\u1ee5c t\u1ea1o th\u00e0nh l\u00f5i c\u1ee7a MAN v\u00e0 bao g\u1ed3m c\u00e1c li\u00ean k\u1ebft t\u1ed1c \u0111\u1ed9 cao k\u1ebft n\u1ed1i c\u00e1c m\u1ea1ng LAN v\u00e0 n\u00fat m\u1ea1ng kh\u00e1c nhau. C\u00e1c li\u00ean k\u1ebft n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd l\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u \u0111\u00e1ng k\u1ec3 v\u00e0 cung c\u1ea5p b\u0103ng th\u00f4ng c\u1ea7n thi\u1ebft \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3.<\/p>\n<\/li>\n

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    N\u00fat ph\u00e2n ph\u1ed1i:<\/strong> C\u00e1c n\u00fat ph\u00e2n ph\u1ed1i \u0111\u00f3ng vai tr\u00f2 trung gian k\u1ebft n\u1ed1i m\u1ea1ng LAN v\u1edbi \u0111\u01b0\u1eddng tr\u1ee5c MAN. H\u1ecd qu\u1ea3n l\u00fd lu\u1ed3ng d\u1eef li\u1ec7u gi\u1eefa c\u00e1c m\u1ea1ng LAN v\u00e0 \u0111\u1ea3m b\u1ea3o li\u00ean l\u1ea1c th\u00f4ng su\u1ed1t trong khu v\u1ef1c \u0111\u00f4 th\u1ecb.<\/p>\n<\/li>\n

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    C\u00e1c n\u00fat truy c\u1eadp:<\/strong> C\u00e1c n\u00fat truy c\u1eadp cung c\u1ea5p \u0111i\u1ec3m v\u00e0o \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i v\u00e0 thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i v\u1edbi MAN. Ch\u00fang c\u00f3 th\u1ec3 bao g\u1ed3m b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn, b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u00e0 thi\u1ebft b\u1ecb m\u1ea1ng kh\u00e1c ch\u1ecbu tr\u00e1ch nhi\u1ec7m \u0111i\u1ec1u h\u01b0\u1edbng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ebfn \u0111\u00edch th\u00edch h\u1ee3p.<\/p>\n<\/li>\n

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    Thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch v\u00e0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn:<\/strong> C\u00e1c thi\u1ebft b\u1ecb n\u00e0y \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ecbnh tuy\u1ebfn c\u00e1c g\u00f3i d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 trong MAN. C\u00e1c thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch x\u1eed l\u00fd d\u1eef li\u1ec7u \u1edf l\u1edbp li\u00ean k\u1ebft d\u1eef li\u1ec7u (L\u1edbp 2), trong khi c\u00e1c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn ho\u1ea1t \u0111\u1ed9ng \u1edf l\u1edbp m\u1ea1ng (L\u1edbp 3) v\u00e0 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh v\u1ec1 \u0111\u01b0\u1eddng d\u1eabn t\u1ed1t nh\u1ea5t \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u.<\/p>\n<\/li>\n<\/ol>\n

    Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a MAN<\/h2>\n

    M\u1ea1ng khu v\u1ef1c \u0111\u00f4 th\u1ecb cung c\u1ea5p m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh khi\u1ebfn ch\u00fang tr\u1edf n\u00ean c\u1ea7n thi\u1ebft \u0111\u1ec3 li\u00ean l\u1ea1c d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3 trong khu v\u1ef1c th\u00e0nh th\u1ecb:<\/p>\n

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      B\u0103ng t\u1ea7n cao:<\/strong> MAN cung c\u1ea5p t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u cao, cho ph\u00e9p trao \u0111\u1ed5i th\u00f4ng tin v\u00e0 n\u1ed9i dung \u0111a ph\u01b0\u01a1ng ti\u1ec7n nhanh ch\u00f3ng.<\/p>\n<\/li>\n

    2. \n

      \u0110\u1ed9 tr\u1ec5 th\u1ea5p:<\/strong> \u0110\u1ed9 tr\u1ec5 th\u1ea5p c\u1ee7a MAN \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tr\u1ec5 t\u1ed1i thi\u1ec3u trong vi\u1ec7c 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 nh\u01b0 h\u1ed9i ngh\u1ecb video v\u00e0 ch\u01a1i game tr\u1ef1c tuy\u1ebfn.<\/p>\n<\/li>\n

    3. \n

      Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng:<\/strong> MAN \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, cho ph\u00e9p m\u1edf r\u1ed9ng d\u1ec5 d\u00e0ng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u m\u1ea1ng ng\u00e0y c\u00e0ng t\u0103ng.<\/p>\n<\/li>\n

    4. \n

      Hi\u1ec7u qu\u1ea3 chi ph\u00ed:<\/strong> So v\u1edbi WAN, MAN cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p ti\u1ebft ki\u1ec7m chi ph\u00ed cho c\u00e1c t\u1ed5 ch\u1ee9c y\u00eau c\u1ea7u v\u00f9ng ph\u1ee7 s\u00f3ng m\u1ea1ng r\u1ed9ng kh\u1eafp trong m\u1ed9t khu v\u1ef1c \u0111\u1ecba l\u00fd h\u1ea1n ch\u1ebf.<\/p>\n<\/li>\n

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      \u0110\u1ed9 tin c\u1eady:<\/strong> V\u1edbi c\u00e1c li\u00ean k\u1ebft v\u00e0 \u0111\u01b0\u1eddng d\u1eabn m\u1ea1ng d\u1ef1 ph\u00f2ng, MAN v\u1ed1n \u0111\u00e3 \u0111\u00e1ng tin c\u1eady, \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i li\u00ean t\u1ee5c ngay c\u1ea3 khi m\u1ed9t s\u1ed1 b\u1ed9 ph\u1eadn c\u1ee7a m\u1ea1ng g\u1eb7p s\u1ef1 c\u1ed1.<\/p>\n<\/li>\n

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      Ki\u1ec3m so\u00e1t \u0111\u1ecba ph\u01b0\u01a1ng:<\/strong> B\u1ecb gi\u1edbi h\u1ea1n trong m\u1ed9t khu v\u1ef1c \u0111\u00f4 th\u1ecb c\u1ee5 th\u1ec3, MAN cho ph\u00e9p qu\u1ea3n l\u00fd v\u00e0 ki\u1ec3m so\u00e1t c\u1ee5c b\u1ed9 h\u01a1n, cho ph\u00e9p kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u00e0 b\u1ea3o tr\u00ec nhanh h\u01a1n.<\/p>\n<\/li>\n<\/ol>\n

      C\u00e1c lo\u1ea1i NG\u01af\u1edcI<\/h2>\n

      C\u00f3 nhi\u1ec1u lo\u1ea1i M\u1ea1ng khu v\u1ef1c \u0111\u00f4 th\u1ecb kh\u00e1c nhau, m\u1ed7i lo\u1ea1i c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3. C\u00e1c lo\u1ea1i MAN ch\u00ednh bao g\u1ed3m:<\/p>\n\n\n\n\n\n\n\n
      Ki\u1ec3u<\/th>\nS\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n
      NG\u01af\u1edcI KH\u00d4NG D\u00c2Y (WMAN)<\/td>\nS\u1eed d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 kh\u00f4ng d\u00e2y nh\u01b0 WiMAX \u0111\u1ec3 k\u1ebft n\u1ed1i<\/td>\n<\/tr>\n
      S\u1ee3i MAN (FMAN)<\/td>\nS\u1eed d\u1ee5ng c\u00e1p quang \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao<\/td>\n<\/tr>\n
      NG\u01af\u1edcI lai (HMAN)<\/td>\nK\u1ebft h\u1ee3p c\u1ea3 c\u00f4ng ngh\u1ec7 kh\u00f4ng d\u00e2y v\u00e0 c\u00f3 d\u00e2y<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng MAN, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng<\/h2>\n

      Vi\u1ec7c tri\u1ec3n khai M\u1ea1ng Khu v\u1ef1c \u0110\u00f4 th\u1ecb mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch cho c\u00e1c doanh nghi\u1ec7p, c\u01a1 s\u1edf gi\u00e1o d\u1ee5c v\u00e0 t\u1ed5 ch\u1ee9c ch\u00ednh ph\u1ee7:<\/p>\n

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        K\u1ebft n\u1ed1i c\u00e1c V\u0103n ph\u00f2ng Chi nh\u00e1nh:<\/strong> MAN t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c li\u00ean l\u1ea1c v\u00e0 chia s\u1ebb d\u1eef li\u1ec7u li\u1ec1n m\u1ea1ch gi\u1eefa c\u00e1c v\u0103n ph\u00f2ng chi nh\u00e1nh v\u00e0 tr\u1ee5 s\u1edf ch\u00ednh kh\u00e1c nhau c\u1ee7a m\u1ed9t t\u1ed5 ch\u1ee9c, th\u00fac \u0111\u1ea9y quy tr\u00ecnh l\u00e0m vi\u1ec7c hi\u1ec7u qu\u1ea3.<\/p>\n<\/li>\n

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        H\u1ee3p t\u00e1c h\u1ecdc thu\u1eadt v\u00e0 nghi\u00ean c\u1ee9u:<\/strong> C\u00e1c t\u1ed5 ch\u1ee9c gi\u00e1o d\u1ee5c c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng MAN \u0111\u1ec3 c\u1ed9ng t\u00e1c trong c\u00e1c d\u1ef1 \u00e1n nghi\u00ean c\u1ee9u, chia s\u1ebb t\u00e0i nguy\u00ean v\u00e0 truy c\u1eadp c\u01a1 s\u1edf d\u1eef li\u1ec7u t\u1eadp trung.<\/p>\n<\/li>\n

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        S\u00e1ng ki\u1ebfn th\u00e0nh ph\u1ed1 th\u00f4ng minh:<\/strong> MAN t\u1ea1o th\u00e0nh x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a c\u00e1c s\u00e1ng ki\u1ebfn th\u00e0nh ph\u1ed1 th\u00f4ng minh b\u1eb1ng c\u00e1ch cho ph\u00e9p k\u1ebft n\u1ed1i nhi\u1ec1u thi\u1ebft b\u1ecb th\u00f4ng minh v\u00e0 \u1ee9ng d\u1ee5ng IoT (Internet of Things).<\/p>\n<\/li>\n<\/ol>\n

        Tuy nhi\u00ean, gi\u1ed1ng nh\u01b0 b\u1ea5t k\u1ef3 m\u1ea1ng n\u00e0o, MAN c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i nh\u1eefng th\u00e1ch th\u1ee9c nh\u01b0:<\/p>\n

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          M\u1ed1i quan t\u00e2m v\u1ec1 an ninh:<\/strong> MAN c\u1ea7n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd \u0111\u1ec3 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.<\/p>\n<\/li>\n

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          T\u1eafc ngh\u1ebdn m\u1ea1ng:<\/strong> Khi s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i t\u0103ng l\u00ean, t\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn m\u1ea1ng c\u00f3 th\u1ec3 x\u1ea3y ra, d\u1eabn \u0111\u1ebfn hi\u1ec7u su\u1ea5t gi\u1ea3m.<\/p>\n<\/li>\n

        3. \n

          \u0110i\u1ec3m th\u1ea5t b\u1ea1i duy nh\u1ea5t:<\/strong> S\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t li\u00ean k\u1ebft \u0111\u01b0\u1eddng tr\u1ee5c duy nh\u1ea5t c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t \u0111i\u1ec3m l\u1ed7i duy nh\u1ea5t, \u0111\u00f2i h\u1ecfi ph\u1ea3i l\u1eadp k\u1ebf ho\u1ea1ch d\u1ef1 ph\u00f2ng.<\/p>\n<\/li>\n<\/ol>\n

          Nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft th\u00f4ng qua thi\u1ebft k\u1ebf m\u1ea1ng, m\u00e3 h\u00f3a, c\u00e2n b\u1eb1ng t\u1ea3i v\u00e0 tri\u1ec3n khai c\u00e1c c\u01a1 ch\u1ebf chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng ph\u00f9 h\u1ee3p.<\/p>\n

          C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n\n\n\n\n\n\n\n\n\n\n
          Di\u1ec7n m\u1ea1o<\/th>\nNG\u01af\u1edcI \u0110\u00c0N \u00d4NG<\/th>\nWAN (M\u1ea1ng di\u1ec7n r\u1ed9ng)<\/th>\nLAN (M\u1ea1ng c\u1ee5c b\u1ed9)<\/th>\n<\/tr>\n<\/thead>\n
          B\u1ea3o hi\u1ec3m \u0111\u1ecba l\u00fd<\/td>\nKhu v\u1ef1c \u0111\u00f4 th\u1ecb<\/td>\nKhu v\u1ef1c \u0111\u1ecba l\u00fd r\u1ed9ng (v\u00ed d\u1ee5: Qu\u1ed1c gia)<\/td>\nGi\u1edbi h\u1ea1n \u1edf m\u1ed9t T\u00f2a nh\u00e0 ho\u1eb7c Khu\u00f4n vi\u00ean<\/td>\n<\/tr>\n
          K\u00edch th\u01b0\u1edbc c\u1ee7a m\u1ea1ng<\/td>\nTrung b\u00ecnh \u0111\u1ebfn l\u1edbn<\/td>\nL\u1edbn<\/td>\nNh\u1ecf \u0111\u1ebfn Trung b\u00ecnh<\/td>\n<\/tr>\n
          T\u1ed1c \u0111\u1ed9<\/td>\nT\u1ed1c \u0111\u1ed9 cao<\/td>\nKh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng<\/td>\nTrung b\u00ecnh \u0111\u1ebfn cao<\/td>\n<\/tr>\n
          Quy\u1ec1n s\u1edf h\u1eefu v\u00e0 ki\u1ec3m so\u00e1t<\/td>\nTh\u01b0\u1eddng thu\u1ed9c s\u1edf h\u1eefu c\u1ee7a ISP ho\u1eb7c Telcos<\/td>\nS\u1edf h\u1eefu t\u01b0 nh\u00e2n ho\u1eb7c c\u00f4ng c\u1ed9ng<\/td>\nQuy\u1ec1n s\u1edf h\u1eefu ri\u00eang<\/td>\n<\/tr>\n
          \u0110\u1ed9 tr\u1ec5<\/td>\nTh\u1ea5p<\/td>\nC\u00f3 th\u1ec3 cao h\u01a1n do kho\u1ea3ng c\u00e1ch xa h\u01a1n<\/td>\nR\u1ea5t th\u1ea5p<\/td>\n<\/tr>\n
          C\u00e1c \u1ee9ng d\u1ee5ng ti\u00eau bi\u1ec3u<\/td>\nK\u1ebft n\u1ed1i c\u00e1c v\u0103n ph\u00f2ng chi nh\u00e1nh, Th\u00e0nh ph\u1ed1 th\u00f4ng minh<\/td>\nK\u1ebft n\u1ed1i nhi\u1ec1u v\u0103n ph\u00f2ng, Trung t\u00e2m d\u1eef li\u1ec7u<\/td>\nM\u1ea1ng v\u0103n ph\u00f2ng v\u00e0 gia \u0111\u00ecnh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn MAN<\/h2>\n

          T\u01b0\u01a1ng lai c\u1ee7a M\u1ea1ng khu v\u1ef1c \u0111\u00f4 th\u1ecb \u0111\u00e3 s\u1eb5n s\u00e0ng cho nh\u1eefng ti\u1ebfn b\u1ed9 \u0111\u00e1ng k\u1ec3, \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i v\u00e0 nhu c\u1ea7u k\u1ebft n\u1ed1i ng\u00e0y c\u00e0ng t\u0103ng. M\u1ed9t s\u1ed1 s\u1ef1 ph\u00e1t tri\u1ec3n ti\u1ec1m n\u0103ng bao g\u1ed3m:<\/p>\n

            \n
          1. \n

            T\u00edch h\u1ee3p 5G:<\/strong> Vi\u1ec7c t\u00edch h\u1ee3p c\u00f4ng ngh\u1ec7 5G v\u00e0o MAN s\u1ebd mang l\u1ea1i k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y nhanh h\u01a1n v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n, h\u1ed7 tr\u1ee3 nhi\u1ec1u \u1ee9ng d\u1ee5ng.<\/p>\n<\/li>\n

          2. \n

            \u0110i\u1ec7n to\u00e1n bi\u00ean:<\/strong> MAN c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng \u0111i\u1ec7n to\u00e1n ranh gi\u1edbi \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t b\u1eb1ng c\u00e1ch x\u1eed l\u00fd d\u1eef li\u1ec7u g\u1ea7n h\u01a1n v\u1edbi ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i.<\/p>\n<\/li>\n

          3. \n

            M\u1edf r\u1ed9ng s\u1ee3i:<\/strong> Vi\u1ec7c t\u0103ng c\u01b0\u1eddng tri\u1ec3n khai c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u00e1p quang s\u1ebd d\u1eabn \u0111\u1ebfn b\u0103ng th\u00f4ng cao h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c n\u00e2ng cao.<\/p>\n<\/li>\n<\/ol>\n

            C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi MAN<\/h2>\n

            M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t v\u00e0 b\u1ea3o m\u1eadt c\u1ee7a M\u1ea1ng khu v\u1ef1c \u0111\u00f4 th\u1ecb. B\u1eb1ng c\u00e1ch \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i v\u00e0 internet, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3:<\/p>\n

              \n
            1. \n

              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 m\u1ee9c s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 truy xu\u1ea5t d\u1eef li\u1ec7u cho ng\u01b0\u1eddi d\u00f9ng trong MAN.<\/p>\n<\/li>\n

            2. \n

              L\u1ecdc n\u1ed9i dung:<\/strong> M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 th\u1ef1c thi c\u00e1c ch\u00ednh s\u00e1ch l\u1ecdc n\u1ed9i dung, ki\u1ec3m so\u00e1t c\u00e1c trang web v\u00e0 n\u1ed9i dung m\u00e0 ng\u01b0\u1eddi d\u00f9ng trong m\u1ea1ng c\u00f3 th\u1ec3 truy c\u1eadp.<\/p>\n<\/li>\n

            3. \n

              \u1ea8n danh v\u00e0 b\u1ea3o m\u1eadt:<\/strong> M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 cung c\u1ea5p th\u00eam l\u1edbp \u1ea9n danh v\u00e0 b\u1ea3o m\u1eadt cho ng\u01b0\u1eddi d\u00f9ng trong MAN b\u1eb1ng c\u00e1ch \u1ea9n \u0111\u1ecba ch\u1ec9 IP c\u1ee7a h\u1ecd v\u00e0 l\u1ecdc n\u1ed9i dung \u0111\u1ed9c h\u1ea1i.<\/p>\n<\/li>\n<\/ol>\n

              Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n

              \u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 M\u1ea1ng khu v\u1ef1c \u0111\u00f4 th\u1ecb (MAN), b\u1ea1n c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n

                \n
              1. Hi\u1ec7p h\u1ed9i truy\u1ec1n th\u00f4ng IEEE \u2013 M\u1ea1ng khu v\u1ef1c \u0111\u00f4 th\u1ecb<\/a><\/li>\n
              2. Techopedia \u2013 M\u1ea1ng khu v\u1ef1c \u0111\u00f4 th\u1ecb (MAN)<\/a><\/li>\n
              3. Cisco \u2013 M\u1ea1ng khu v\u1ef1c \u0111\u00f4 th\u1ecb (MAN) l\u00e0 g\u00ec?<\/a><\/li>\n<\/ol>","protected":false},"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477940","wiki","type-wiki","status-publish","hentry"],"acf":{"faq_title":"Frequently Asked Questions about Metropolitan Area Network (MAN)<\/mark>","faq_items":[{"question":"What is a Metropolitan Area Network (MAN)?","answer":"

                A Metropolitan Area Network (MAN) is a large-scale network that connects multiple local area networks (LANs) within a specific geographic area, typically covering a city or metropolitan region. MANs act as an intermediary between LANs and wide area networks (WANs) to ensure efficient data transfer and communication between various locations within the urban space.<\/p>"},{"question":"How did the concept of MAN originate?","answer":"

                The concept of MAN emerged in the 1970s as a response to the need for high-speed data communication between geographically dispersed locations within a city. It was first mentioned during the early development of computer networks, where efforts were made to interconnect multiple LANs over a broader area.<\/p>"},{"question":"What does a MAN consist of?","answer":"

                A MAN comprises several key components, including the backbone, distribution nodes, access nodes, and switches\/routers. The backbone forms the core of the MAN, with high-speed links connecting LANs. Distribution nodes manage data flow between LANs, while access nodes serve as entry points for end-users. Switches and routers handle data routing efficiently.<\/p>"},{"question":"What are the key features of a MAN?","answer":"

                MANs offer several essential features, including high bandwidth for fast data transfer, low latency for minimal delays, scalability to accommodate network growth, cost-effectiveness compared to WANs, reliability with redundant links, and localized control for quicker troubleshooting.<\/p>"},{"question":"What are the types of MAN?","answer":"

                There are different types of MANs to suit specific scenarios. These include Wireless MAN (WMAN) utilizing wireless technologies like WiMAX, Fiber MAN (FMAN) using fiber-optic cables for high-speed data transfer, and Hybrid MAN (HMAN) combining both wireless and wired technologies.<\/p>"},{"question":"How can MAN be used, and what challenges may arise?","answer":"

                MANs are used to interconnect branch offices, support academic and research collaboration, and enable smart city initiatives. Challenges include security concerns, network congestion, and the risk of a single point of failure. These can be addressed through robust security measures and proper network planning.<\/p>"},{"question":"How does the future of MAN look like?","answer":"

                The future of MANs holds exciting advancements with 5G integration, edge computing to reduce latency, and increased fiber-optic deployment for higher bandwidth. These technologies will shape a more efficient and connected urban landscape.<\/p>"},{"question":"How can proxy servers enhance MAN performance?","answer":"

                Proxy servers play a crucial role in optimizing MAN performance. They can cache frequently accessed content, enforce content filtering policies, and provide an additional layer of anonymity and security for users within the MAN.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477940","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\/477940\/revisions"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=477940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}