{"id":738,"date":"2010-11-23T10:50:14","date_gmt":"2010-11-23T03:50:14","guid":{"rendered":"http:\/\/snt.com.vn\/blog\/?p=738"},"modified":"2010-11-23T10:50:14","modified_gmt":"2010-11-23T03:50:14","slug":"fttx-b%e1%ba%aft-d%e1%ba%a7u-xam-chi%e1%ba%bfm-th%e1%bb%8b-tr%c6%b0%e1%bb%9dng-adsl","status":"publish","type":"post","link":"https:\/\/snt.com.vn\/blog\/fttx-b%e1%ba%aft-d%e1%ba%a7u-xam-chi%e1%ba%bfm-th%e1%bb%8b-tr%c6%b0%e1%bb%9dng-adsl\/","title":{"rendered":"FTTx b\u1eaft \u0111\u1ea7u x\u00e2m chi\u1ebfm th\u1ecb tr\u01b0\u1eddng ADSL"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #0000ff;\"><span style=\"font-size: large;\">FTTx b\u1eaft \u0111\u1ea7u x\u00e2m\u00a0chi\u1ebfm th\u1ecb tr\u01b0\u1eddng ADSL<\/span><\/span><\/p>\n<p><span style=\"color: #993366;\"><em>C\u00f4ng ngh\u1ec7 truy\u1ec1n d\u1eabn c\u00e1p quang FTTx v\u1edbi t\u1ed1c \u0111\u1ed9 t\u1ea3i l\u00ean (upload) v\u00e0 t\u1ea3i  xu\u1ed1ng download cao, \u1ed5n \u0111\u1ecbnh \u0111ang c\u00f3 c\u01a1 h\u1ed9i thay th\u1ebf ADSL v\u00e0 chi\u1ebfm l\u0129nh  th\u1ecb tr\u01b0\u1eddng Internet b\u0103ng r\u1ed9ng.<\/em><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #993366;\"><em><span style=\"color: #993366;\"><em><a href=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2010\/11\/fttxx.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-740   aligncenter\" title=\"fttxx\" src=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2010\/11\/fttxx.jpg\" alt=\"\" width=\"507\" height=\"236\" \/><\/a><\/em><\/span> <\/em><\/span><\/p>\n<p>N\u0103m 1997 \u0111\u00e1nh d\u1ea5u b\u01b0\u1edbc ti\u1ebfn v\u01b0\u1ee3t b\u1eadc c\u1ee7a n\u01b0\u1edbc ta khi \u0111\u01b0\u1eddng truy\u1ec1n Internet dial up (quay s\u1ed1) ch\u00ednh th\u1ee9c \u0111\u1ebfn v\u1edbi ng\u01b0\u1eddi d\u00e2n.      V\u1edbi t\u1ed1c \u0111\u1ed9 ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 nh\u01b0 v\u0169 b\u00e3o, ch\u1ec9  sau\u00a06 n\u0103m, ng\u01b0\u1eddi d\u00f9ng Vi\u1ec7t Nam \u0111\u00e3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i Internet t\u1ed1c \u0111\u1ed9  cao ADSL v\u00e0 ch\u1ec9 th\u00eam 3 n\u0103m n\u1eefa \u0111\u1ec3 tr\u1ea3i nghi\u1ec7m d\u1ecbch v\u1ee5 b\u0103ng th\u00f4ng r\u1ed9ng  c\u00e1p quang (FTTx) \u201csi\u00eau t\u1ed1c \u0111\u1ed9\u201d. V\u1edbi nh\u1eefng ti\u00ean b\u1ed9 c\u00f4ng ngh\u1ec7 v\u00e0 gi\u00e1 th\u00e0nh  \u0111\u1ea7u t\u01b0, c\u00e1c chuy\u00ean gia vi\u1ec5n th\u00f4ng nh\u1eadn b\u00e2y gi\u1edd l\u00e0 th\u1eddi \u0111i\u1ec3m FTTx d\u1ea7n  thay th\u1ebf ADSL v\u00e0\u00a0chi\u1ebfm l\u0129nh th\u1ecb tr\u01b0\u1eddng.<\/p>\n<p><span style=\"color: #993366;\"><strong>T\u00ecm hi\u1ec3u FTTx<\/strong><\/span><\/p>\n<p><span style=\"font-size: small;\"><span style=\"font-family: Arial;\">FTTx  l\u00e0 ki\u1ebfn tr\u00fac m\u1ea1ng s\u1eed d\u1ee5ng c\u00e1p quang \u0111\u1ec3 k\u1ebft n\u1ed1i Vi\u1ec5n th\u00f4ng. C\u00f4ng ngh\u1ec7  n\u00e0y cho ph\u00e9p th\u1ef1c hi\u1ec7n t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u Internet  download\/upload ngang b\u1eb1ng nhau, \u0111i\u1ec1u m\u00e0 c\u00f4ng ngh\u1ec7 ADSL ch\u01b0a th\u1ef1c hi\u1ec7n  \u0111\u01b0\u1ee3c.<\/span><\/span><\/p>\n<p><span style=\"font-size: small;\"><span style=\"color: #993366;\"><em>FTTH v\u1edbi nhi\u1ec1u ti\u1ec7n \u00edch v\u01b0\u1ee3t tr\u1ed9i:<\/em><\/span><\/span><\/p>\n<ul>\n<li>\n<div><span style=\"font-size: small;\"><span style=\"font-family: Arial;\"><strong>T\u1ed1c \u0111\u1ed9 truy nh\u1eadp Internet cao<\/strong>, t\u01b0\u0300 10 Mbps \u0111\u00ea\u0301n 50 Mbps, nhanh g\u1ea5p 200 l\u1ea7n so v\u1edbi ADSL 2+<\/span><\/span><\/div>\n<\/li>\n<li>\n<div><span style=\"font-size: small;\"><span style=\"font-family: Arial;\"><strong>Ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u \u1ed5n \u0111\u1ecbnh<\/strong>, kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi th\u1eddi ti\u1ebft, chi\u1ec1u d\u00e0i c\u00e1p, \u2026<\/span><\/span><\/div>\n<\/li>\n<li>\n<div><span style=\"font-size: small;\"><span style=\"font-family: Arial;\"><strong>An to\u00e0n<\/strong> cho thi\u1ebft b\u1ecb (kh\u00f4ng s\u1ee3 s\u00e9t \u0111\u00e1nh lan truy\u1ec1n tr\u00ean \u0111\u01b0\u1eddng d\u00e2y)<\/span><\/span><\/div>\n<\/li>\n<li>\n<div><span style=\"font-size: small;\"><span style=\"font-family: Arial;\"><strong>N\u00e2ng c\u1ea5p b\u0103ng th\u00f4ng d\u1ec5 d\u00e0ng<\/strong> m\u00e0 kh\u00f4ng c\u1ea7n k\u00e9o c\u00e1p m\u1edbi<\/span><\/span><\/div>\n<\/li>\n<li>\n<div><span style=\"font-size: small;\"><span style=\"font-family: Arial;\"><strong>\u0110\u00e1p \u1ee9ng hi\u1ec7u qu\u1ea3 cho c\u00e1c \u1ee9ng d\u1ee5ng C\u00f4ng ngh\u1ec7 th\u00f4ng tin hi\u1ec7n \u0111\u1ea1i<\/strong> nh\u01b0: Hosting Server ri\u00eang, VPN (m\u1ea1ng ri\u00eang \u1ea3o), Truy\u1ec1n d\u1eef li\u1ec7u, Game  Online, IPTV (truy\u1ec1n h\u00ecnh t\u01b0\u01a1ng t\u00e1c), VoD (xem phim theo y\u00eau c\u1ea7u), Video  Conferrence (h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh), IP Camera&#8230;<\/span><\/span><\/div>\n<\/li>\n<\/ul>\n<p style=\"text-align: center;\"><a href=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2010\/11\/10G-EPON-Network-lg.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-742\" title=\"10G-EPON-Network-lg\" src=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2010\/11\/10G-EPON-Network-lg.jpg\" alt=\"\" width=\"491\" height=\"323\" \/><\/a><\/p>\n<ul>\n<span style=\"font-size: x-small;\"><span style=\"font-family: Arial;\"> <\/span><\/span>\n<\/ul>\n<p><strong><span style=\"color: #993366;\">Xu h\u01b0\u1edbng t\u1ea5t y\u1ebfu<\/span><\/strong><\/p>\n<p>FTTx c\u00f3 b\u1ed1n d\u1ea1ng:\u00a0c\u00e1p quang t\u1edbi giao \u0111i\u1ec3m &#8211; FTTN  (Fiber To The Node); c\u00e1p quang t\u1edbi t\u1ee7 thi\u1ebft b\u1ecb &#8211;\u00a0 FTTC (Fiber To The  Curb); c\u00e1p quang t\u1edbi t\u00f2a nh\u00e0 &#8211; FTTB (Fiber To The Building); c\u00e1p quang  t\u1edbi t\u1eadn nh\u00e0 &#8211; FTTH (Fiber To The Home).<\/p>\n<p>Tuy th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i v\u00e0 t\u01b0\u01a1ng lai g\u1ea7n, y\u1ebfu t\u1ed1 gi\u00e1 c\u1ea3  s\u1ebd kh\u00f4ng c\u00f2n l\u00e0 v\u1ea5n \u0111\u1ec1 qu\u00e1 l\u1edbn b\u1edfi c\u00e1c nh\u00e0 m\u1ea1ng s\u1ebd nhanh ch\u00f3ng ho\u00e0n  thi\u1ec7n c\u00f4ng ngh\u1ec7, h\u1ea1 gi\u00e1 th\u00e0nh xu\u1ed1ng th\u1ea5p h\u01a1n \u0111\u1ec3 khuy\u1ebfn kh\u00edch ng\u01b0\u1eddi d\u00f9ng  ADSL chuy\u1ec3n qua.<\/p>\n<p>Trong xu th\u1ebf ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c d\u1ecbch  v\u1ee5 truy\u1ec1n h\u00ecnh, n\u1ed9i dung s\u1ed1\u2026 b\u00f9ng n\u1ed5 tr\u00ean to\u00e0n th\u1ebf gi\u1edbi, FTTH thay th\u1ebf  \u0111\u01b0\u1eddng truy\u1ec1n ADSL c\u0169ng s\u1ebd l\u00e0 t\u1ea5t y\u1ebfu, nh\u01b0\u00a0 c\u00e1ch ADSL \u0111\u00e3 l\u00e0m v\u1edbi d\u1ecbch v\u1ee5  internet dial up ch\u1eadm ch\u1ea1p tr\u01b0\u1edbc \u0111\u00e2y.<\/p>\n<p>C\u00f9ng v\u1edbi \u0111\u00f3 l\u00e0 s\u1ef1\u00a0 ra \u0111\u1eddi c\u1ee7a <span style=\"font-family: Arial; font-size: x-small;\"><span style=\"font-size: small;\">d\u1ecbch  v\u1ee5 Internet FTTH :<\/span><br \/>\n <\/span><\/p>\n<p><span style=\"font-family: Arial; font-size: x-small;\"><span style=\"color: #993366;\"><em>D<span style=\"font-size: small;\">\u1ecbch  v\u1ee5 Internet FTTH <\/span><\/em><\/span><span style=\"font-size: small;\">(Fiber to the home)  la\u0300 d\u1ecbch v\u1ee5 truy nh\u00e2\u0323p Internet  t\u00f4\u0301c \u0111\u00f4\u0323 cao th\u00f4ng qua m\u1ea1ng truy nh\u1eadp  quang FTTx. Ti\u0301n hi\u00ea\u0323u \u0111\u01b0\u01a1\u0323c  truy\u00ea\u0300n \u0111i d\u01b0\u01a1\u0301i da\u0323ng a\u0301nh sa\u0301ng qua s\u01a1\u0323i  quang (thu\u0309y tinh) k\u00ea\u0301t n\u00f4\u0301i  gi\u01b0\u0303a nha\u0300 cung c\u00e2\u0301p di\u0323ch vu\u0323 v\u01a1\u0301i  kha\u0301ch ha\u0300ng. \u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 k\u1ebft  n\u1ed1i b\u0103ng r\u1ed9ng hi\u1ec7n \u0111\u1ea1i tr\u00ean th\u1ebf gi\u1edbi  v\u1edbi \u0111\u01b0\u1eddng truy\u1ec1n d\u1eabn b\u1eb1ng c\u00e1p quang  si\u00eau t\u1ed1c \u0111\u1ed9 t\u1eeb nh\u00e0 cung c\u1ea5p d\u1ecbch  v\u1ee5 \u0111\u1ebfn t\u1eadn \u0111\u1ecba \u0111i\u1ec3m c\u1ee7a kh\u00e1ch h\u00e0ng.<\/span><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: Arial; font-size: x-small;\"><span style=\"font-size: small;\"><a href=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2010\/11\/line.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-747 aligncenter\" title=\"line\" src=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2010\/11\/line.jpg\" alt=\"\" width=\"389\" height=\"63\" \/><\/a><br \/>\n <\/span><\/span><\/p>\n<p><span style=\"font-family: Arial; font-size: x-small;\"><span style=\"font-size: small;\">V\u00e0 nh\u01b0 v\u1eady s\u1ebd l\u00e0 cu\u1ed9<\/span><span style=\"font-size: small;\">c ch\u1ea1y \u0111ua gay g\u1eaft tr\u00ean th\u1ecb tr\u01b0\u1eddng Internet trong t\u01b0\u01a1ng lai g\u1ea7n gi\u1eefa <\/span><\/span><span style=\"font-size: small;\">FTTx v\u00e0 ADSL.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"font-size: small;\"><span style=\"color: #993366;\"><strong><em>&lt;<\/em><\/strong><em><span style=\"color: #000000;\">Ngu\u1ed3n t\u1ed5ng h\u1ee3p<\/span><\/em><\/span><span style=\"color: #993366;\"> <\/span><span style=\"color: #993366;\"><strong><em>&gt;<br \/>\n <\/em><\/strong><\/span><\/span><\/p>\n<p><span style=\"color: #993366;\"><strong><em><br \/>\n <\/em><\/strong><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>FTTx b\u1eaft \u0111\u1ea7u x\u00e2m\u00a0chi\u1ebfm th\u1ecb tr\u01b0\u1eddng ADSL C\u00f4ng ngh\u1ec7 truy\u1ec1n d\u1eabn c\u00e1p quang FTTx v\u1edbi t\u1ed1c \u0111\u1ed9 t\u1ea3i l\u00ean (upload)<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.2.1 - 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