{"id":776,"date":"2010-11-24T11:04:20","date_gmt":"2010-11-24T04:04:20","guid":{"rendered":"http:\/\/snt.com.vn\/blog\/?p=776"},"modified":"2010-11-24T11:04:20","modified_gmt":"2010-11-24T04:04:20","slug":"deep-fiber-network","status":"publish","type":"post","link":"https:\/\/snt.com.vn\/blog\/deep-fiber-network\/","title":{"rendered":"Deep-Fiber Network"},"content":{"rendered":"<p><span style=\"font-size: large;\"><strong>T\u1ed5ng quan<\/strong><\/span><\/p>\n<p><span style=\"font-size: small;\">Y\u00eau c\u1ea7u ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n c\u1ee7a b\u0103ng th\u00f4ng \u0111\u00f2i h\u1ecfi s\u1ef1 tri\u1ec3n khai c\u00e1p quang \u0111\u1ebfn g\u1ea7n h\u01a1n c\u00e1c kh\u00e1ch h\u00e0ng. K\u1ebf th\u1eeba gi\u1ea3i ph\u00e1p \u0111\u00fang \u0111\u1eafn \u1edf m\u1ea1ng truy nh\u1eadp Last-Mile(m\u1ea1ng truy nh\u1eadp thu\u00ea bao), d\u1ef1a v\u00e0o m\u00f4i tr\u01b0\u1eddng m\u1ea1ng, kh\u1ea3 n\u0103ng b\u0103ng th\u00f4ng, c\u00f3 th\u1ec3 y\u00ean t\u00e2m v\u1edbi v\u1ed1n \u0111\u1ea7u t\u01b0 t\u1ed1i thi\u1ec3u. C\u00f3 nhi\u1ec1u c\u00e1ch \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 h\u01a1n l\u00e0 tri\u1ec3n khai c\u00e1p quang m\u1edbi t\u1ea1i m\u1ea1ng truy nh\u1eadp Last-mile. M\u1ea1ng Deep-Fiber l\u00e0 m\u1ed9t s\u1ef1 l\u1ef1a ch\u1ecdn thi\u1ebft th\u1ef1c cho nh\u00e0 m\u1ea1ng trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y. Corecess cung c\u1ea5p gi\u1ea3i ph\u00e1p Deep-Fiber t\u1ed1i \u01b0u v\u1edbi vi\u1ec7c t\u00edch h\u1ee3p trong \u0111\u00f3 c\u00e1c c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1eddng quang ti\u00ean ti\u1ebfn v\u00e0 c\u00e1c c\u00f4ng ngh\u1ec7 truy nh\u1eadp Last-mile \u0111\u00e3 qua th\u1eed nghi\u1ec7p c\u1ee7a m\u00ecnh.<br \/>\n C\u00e1c s\u1ea3n ph\u1ea9m Last-mile c\u1ee7a Corecess, d\u00f2ng R1, g\u1ed3m c\u00f3 c\u00e1c switch Fast Ethernet Tx v\u00e0 Rx, VDSL2 v\u00e0 ADSL2+ IP cho DSLAM. R1 c\u00f3 th\u1ec3 n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi nhi\u1ec1u tuy\u1ebfn quang kh\u00e1c nhau t\u1eeb OLT v\u00e0 t\u1ea7ng tr\u00ean \u1edf gi\u1eefa ch\u00fang. V\u1edbi nh\u1eefng ch\u1ee9c n\u0103ng th\u00f4ng d\u1ee5ng, c\u00e1c module g\u1eafn n\u00f3ng, v\u00e0 nh\u1eefng ch\u1ee9c n\u0103ng cao c\u1ea5p kh\u00e1c nh\u01b0 multicast, QoS control, R1 l\u00e0m t\u0103ng t\u00ednh \u0111\u01a1n gi\u1ea3n trong vi\u1ec7c v\u1eadn h\u00e0nh, n\u00e2ng c\u1ea5p v\u00e0 qu\u1ea3n l\u00ed m\u1ea1ng. Hi\u1ec7u su\u1ea5t c\u1ee7a R1 c\u00f2n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean khi n\u00f3 k\u1ebft n\u1ed1i v\u1edbi S5.<br \/>\n Th\u1eeba h\u01b0\u1edfng nh\u1eefng c\u00f4ng ngh\u1ec7 Last-mile m\u1edbi nh\u1ea5t nh\u01b0 l\u00e0 VDSL2 v\u00e0 ADSL2+, nh\u00e0 m\u1ea1ng c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ee7 b\u0103ng th\u00f4ng cho nh\u1eefng d\u1ecbch v\u1ee5 ch\u00ednh c\u1ee7a h\u1ecd nh\u01b0 d\u1ecbch v\u1ee5 \u0111a k\u00eanh IPTV qua \u0111\u01b0\u1eddng d\u00e2y POTS \u0111\u00e3 c\u00f3. VDSL2 cung c\u1ea5p t\u00f4c \u0111\u1ed9 100Mbps \u0111\u1ed1i x\u1ee9ng qua \u0111\u01b0\u1eddng d\u00e2y POTS \u0111\u1ec3 ph\u00e2n ph\u00e1t d\u1ecbch v\u1ee5 HDTV \u0111a k\u00eanh cho h\u1ed9 gia \u0111\u00ecnh v\u00e0 n\u00f3 c\u0169ng l\u00e0 gi\u1ea3i ph\u00e1p l\u00ed t\u01b0\u1edfng cho c\u00e1c d\u1ecbch v\u1ee5 mang t\u00ednh th\u01b0\u01a1ng m\u1ea1i nh\u1edd b\u0103ng th\u00f4ng \u0111\u1ed1i x\u1ee9ng dung l\u01b0\u1ee3ng cao.<br \/>\n Corecess cung c\u1ea5p nhi\u1ec1u k\u1ebft n\u1ed1i quang kh\u00e1c nhau nh\u01b0 Gigabit Ethernet, GEPON v\u00e0 \u0111a k\u00eanh Gigabit Ethernet s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 WDM cho m\u1ea1ng Deep-Fiber. \u0110\u01b0\u1eddng GEPON t\u1edbi R1 l\u00e0m t\u0103ng t\u00ednh m\u1ec1m d\u1ebbo v\u00e0 kinh t\u1ebf c\u1ee7a m\u1ea1ng truy nh\u1eadp b\u1eb1ng 4 ho\u1eb7c 8 k\u1ebft n\u1ed1i R1 v\u1edbi 1 \u0111\u01b0\u1eddng GEPON qua b\u1ed9 chia th\u1ee5 \u0111\u1ed9ng. \u0110\u01b0\u1eddng quang Gigabit WDM PON c\u00f3 th\u1ec3 cung c\u1ea5p b\u0103ng th\u00f4ng 16Gbps qua s\u1ee3i feeder t\u1edbi c\u00e1c \u0111i\u1ec3m R1, v\u00e0 k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp t\u1edbi R1 b\u1eb1ng t\u1ed1c \u0111\u1ed9 1Gbps.<\/span><\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2010\/11\/deepfiber1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-777\" title=\"deepfiber1\" src=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2010\/11\/deepfiber1.jpg\" alt=\"\" width=\"600\" height=\"300\" \/><\/a><\/p>\n<p><span style=\"font-size: small;\">C\u00e1c s\u1ea3n ph\u1ea9m d\u00f2ng R1 cung c\u1ea5p c\u00e1c c\u00f4ng ngh\u1ec7 truy nh\u1eadp b\u0103ng r\u1ed9ng m\u1edbi nh\u1ea5t nh\u01b0 VDSL2, ADSL2+ v\u00e0 Fast Ethernet giao ti\u1ebfp tr\u1ef1c ti\u1ebfp v\u1edbi GEPON t\u1eeb OLT S5. Nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau c\u1ee7a d\u00f2ng R1 gi\u00fap kh\u00e1ch h\u00e0ng t\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c c\u00e1c d\u1ecbch v\u1ee5 internet t\u1ed1c \u0111\u1ed9 cao ng\u00e0y nay t\u1ed3n t\u1ea1i s\u1eb5n \u1edf c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng d\u00f9ng d\u00e2y trong c\u00e1c t\u00f2a nh\u00e0 ho\u1eb7c c\u1ee5m d\u00e2n c\u01b0.<\/span><br \/>\n <strong><span style=\"color: #00ff00;\"> <\/span><\/strong><\/p>\n<p style=\"text-align: left;\"><a href=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2010\/11\/sol_deepfiber_wdm.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-778\" title=\"sol_deepfiber_wdm\" src=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2010\/11\/sol_deepfiber_wdm.gif\" alt=\"\" width=\"600\" height=\"300\" \/><\/a><br \/>\n <span style=\"font-size: small;\">\u0110\u01b0\u1eddng quang Gigabit WDM PON c\u00f3 th\u1ec3 cung c\u1ea5p b\u0103ng th\u00f4ng 16Gbps th\u00f4ng qua m\u1ed9t s\u1ee3i feeder n\u1ed1i t\u1edbi c\u00e1c \u0111i\u1ec3m n\u01a1i R1 t\u1ed3n t\u00e0i v\u00e0 n\u1ed1i tr\u1ef1c ti\u1ebfp t\u1edbi R1 v\u1edbi t\u1ed1c \u0111\u1ed9 1Gbps. D\u00f9ng 2 ho\u1eb7c 4 R1 \u0111\u1ec3 thi\u1ebft k\u1ebf s\u1ebd mang \u0111\u1ebfn s\u1ef1 m\u1ec1m d\u1ebbo v\u00e0 v\u1eefng ch\u1eafc cho m\u1ea1ng, \u0111\u1ed3ng th\u1eddi t\u1ed1i thi\u1ec3u \u0111\u01b0\u1ee3c v\u1ed1n \u0111\u1ea7u t\u01b0 ( CapEx-Capital Expenditures ).<\/span><br \/>\n <span style=\"font-size: large;\"><strong> <\/strong><\/span><\/p>\n<p><span style=\"font-size: large;\"><strong>L\u1ee3i th\u1ebf c\u1ee7a Corecess<\/strong><\/span><br \/>\n <span style=\"font-size: medium;\"><strong> <\/strong><\/span><\/p>\n<p><br class=\"spacer_\" \/><\/p>\n<p><span style=\"font-size: medium;\"><em><strong>Gi\u1ea3i ph\u00e1p t\u00edch h\u1ee3p th\u00f4ng su\u1ed1t v\u1edbi nh\u1eefng gi\u1ea3i ph\u00e1p Last-mile kh\u00e1c nhau<\/strong><\/em><br \/>\n <\/span><\/p>\n<p><span style=\"font-size: medium;\"><span style=\"font-size: small;\">V\u1edbi t\u01b0 c\u00e1ch l\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n ti\u00ean phong v\u00e0 cung c\u1ea5p nhi\u1ec1u thi\u00eat b\u1ecb DSLAM n\u1ec1n t\u1ea3ng IP tr\u00ean th\u1ebf gi\u1edbi, Corecess mang \u0111\u1ebfn c\u00e1c gi\u1ea3i ph\u00e1p v\u00f9ng truy nh\u1eadp Last-mile kh\u00e1c nhau, v\u00ed d\u1ee5 l\u00e0 VDSL2, m\u1ed9t trong nh\u1eefng c\u00f4ng ngh\u1ec7 DSL m\u1edbi nh\u1ea5t. D\u00f2ng R1 \u0111ang \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0 v\u1eabn \u0111ang ho\u00e0n thi\u1ec7n \u0111\u1ec3 ph\u1ee5c v\u1ee5 \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng \u1edf OSP(outside plant).<\/span><br \/>\n <strong> <\/strong><\/span><\/p>\n<p><span style=\"font-size: medium;\"><em><strong>Cung c\u1ea5p dung l\u01b0\u1ee3ng b\u0103ng th\u00f4ng l\u1edbn t\u1edbi \u0111i\u1ec3m ho\u1eb7c v\u1ec9a h\u00e8<\/strong><\/em><br \/>\n <\/span><\/p>\n<p><span style=\"font-size: small;\">Corcess gi\u1edbi thi\u1ec7u c\u00f4ng ngh\u1ec7 WDM ti\u00ean ti\u1ebfn c\u00f3 kh\u1ea3 n\u0103ng truy\u1ec1n 16 k\u00eanh Gigabit Ethernet qua m\u1ed9t s\u1ee3i Feeder. \u0110\u01b0\u1eddng quang WDM n\u00e0y c\u00f3 th\u1ec3 n\u1ed1i tr\u1ef1c ti\u1ebfp t\u1edbi c\u00e1c thi\u1ebft b\u1ecb Last-mile \u0111\u1ec3 n\u00e2ng dung l\u01b0\u1ee3ng b\u0103ng th\u00f4ng m\u1ed9t c\u00e1ch t\u1ee9c th\u00ec trong khi v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c t\u00ednh \u0111\u01a1n gi\u1ea3n c\u1ee7a m\u1ea1ng. Dung l\u01b0\u1ee3ng b\u0103ng th\u00f4ng n\u00e0y \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c cho nhu c\u1ea7u cho m\u1ed7i \u0111i\u1ec3m d\u1ecbch v\u1ee5 hi\u1ec7n nay v\u00e0 c\u1ea3 t\u01b0\u01a1ng lai g\u1ea7n n\u1eefa.<\/span><\/p>\n<p><span style=\"font-size: medium;\"><strong><\/strong><\/span><\/p>\n<p><span style=\"font-size: medium;\"><span style=\"color: #ff0000;\"><em><strong>***SNT hi\u1ec7n \u0111ang cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m OLT, ONT, ONU, Splitter c\u1ee7a Corecess\u2026H\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 t\u1ed1t nh\u1ea5t c\u00f3 th\u1ec3.<\/strong><\/em><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ed5ng quan Y\u00eau c\u1ea7u ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n c\u1ee7a b\u0103ng th\u00f4ng \u0111\u00f2i h\u1ecfi s\u1ef1 tri\u1ec3n khai c\u00e1p quang \u0111\u1ebfn g\u1ea7n<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[74,1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.2.1 - 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