{"id":3213,"date":"2025-04-01T03:19:15","date_gmt":"2025-04-01T03:19:15","guid":{"rendered":"https:\/\/commmesh.com\/?p=3213"},"modified":"2025-04-09T09:59:56","modified_gmt":"2025-04-09T09:59:56","slug":"fiber-vs-cable-internet","status":"publish","type":"post","link":"https:\/\/commmesh.com\/vi\/fiber-vs-cable-internet\/","title":{"rendered":"Internet c\u00e1p quang hay c\u00e1p quang: Lo\u1ea1i n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi b\u1ea1n?"},"content":{"rendered":"<p>\u0110ang c\u1ed1 g\u1eafng quy\u1ebft \u0111\u1ecbnh gi\u1eefa <em>internet c\u00e1p quang so v\u1edbi c\u00e1p quang<\/em> cho gia \u0111\u00ecnh ho\u1eb7c v\u0103n ph\u00f2ng c\u1ee7a b\u1ea1n? \u0110\u00f3 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn l\u1edbn\u2014t\u1ed1c \u0111\u1ed9 internet, \u0111\u1ed9 tin c\u1eady v\u00e0 th\u1eadm ch\u00ed chi ph\u00ed c\u1ee7a b\u1ea1n ph\u1ee5 thu\u1ed9c v\u00e0o n\u00f3. Trong cu\u1ed9c tranh lu\u1eadn v\u1ec1 <em>c\u00e1p internet vs c\u00e1p quang<\/em>, c\u1ea3 hai \u0111\u1ec1u c\u00f3 \u0111i\u1ec3m m\u1ea1nh ri\u00eang, nh\u01b0ng ch\u00fang ho\u1ea1t \u0111\u1ed9ng theo nh\u1eefng c\u00e1ch r\u1ea5t kh\u00e1c nhau. <em>Internet c\u00e1p quang so v\u1edbi c\u00e1p truy\u1ec1n h\u00ecnh<\/em> th\u01b0\u1eddng ph\u1ee5 thu\u1ed9c v\u00e0o nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n\u2014t\u1ed1c \u0111\u1ed9 c\u1ef1c nhanh ho\u1eb7c t\u00f9y ch\u1ecdn th\u00e2n thi\u1ec7n v\u1edbi ng\u00e2n s\u00e1ch. H\u01b0\u1edbng d\u1eabn n\u00e0y ph\u00e2n t\u00edch <em>s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa internet c\u00e1p quang v\u00e0 c\u00e1p quang<\/em> t\u1eeb m\u1ecdi g\u00f3c \u0111\u1ed9\u2014c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng, t\u1ed1c \u0111\u1ed9, chi ph\u00ed v\u00e0 nhi\u1ec1u h\u01a1n n\u1eefa\u2014\u0111\u1ec3 gi\u00fap b\u1ea1n ch\u1ecdn \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p nh\u1ea5t. V\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p t\u1eeb CommMesh, ch\u00fang ta h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u <em>internet c\u00e1p so v\u1edbi c\u00e1p quang<\/em> v\u00e0 t\u00ecm ra lo\u1ea1i n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi b\u1ea1n!<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">Internet c\u00e1p quang v\u00e0 Internet c\u00e1p quang ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/Fiber-vs-Cable-Internet.jpg\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"445\" src=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/Fiber-vs-Cable-Internet.jpg\" alt=\"Internet c\u00e1p quang so v\u1edbi c\u00e1p quang\" class=\"wp-image-3216\" srcset=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/Fiber-vs-Cable-Internet.jpg 800w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/Fiber-vs-Cable-Internet-300x167.jpg 300w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/Fiber-vs-Cable-Internet-768x427.jpg 768w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/Fiber-vs-Cable-Internet-600x334.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption class=\"wp-element-caption\">Internet c\u00e1p quang so v\u1edbi c\u00e1p quang<\/figcaption><\/figure>\n\n\n\n<p>Ch\u00fang ta h\u00e3y b\u1eaft \u0111\u1ea7u v\u1edbi nh\u1eefng \u0111i\u1ec1u c\u01a1 b\u1ea3n c\u1ee7a <em>internet c\u00e1p quang so v\u1edbi c\u00e1p quang<\/em>\u2014l\u00e0m th\u1ebf n\u00e0o h\u1ecd th\u1ef1c s\u1ef1 l\u1ea5y \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u v\u00e0o thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n? Trong <em>internet c\u00e1p quang so v\u1edbi c\u00e1p<\/em>, s\u1ee3i quang s\u1eed d\u1ee5ng \u00e1nh s\u00e1ng \u0111\u1ec3 g\u1eedi d\u1eef li\u1ec7u qua c\u00e1c s\u1ee3i th\u1ee7y tinh\u2014g\u1ecdi l\u00e0 <em>s\u1ee3i quang<\/em> c\u00e1p. Tia laser bi\u1ebfn d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n\u2014gi\u1ed1ng nh\u01b0 lu\u1ed3ng video\u2014th\u00e0nh xung \u00e1nh s\u00e1ng\u2014v\u00ed d\u1ee5, \u1edf 1310 nm\u2014truy\u1ec1n qua c\u00e1p quang\u2014v\u00ed d\u1ee5, 20 km v\u1edbi ch\u1ec9 0,2 dB\/km m\u1ea5t m\u00e1t. \u1ede ph\u00eda b\u1ea1n, m\u1ed9t h\u1ed9p (ONT, ~$100) bi\u1ebfn \u00e1nh s\u00e1ng tr\u1edf l\u1ea1i th\u00e0nh d\u1eef li\u1ec7u\u2014v\u00ed d\u1ee5, 1 Gbps cho Wi-Fi c\u1ee7a b\u1ea1n\u2014l\u00e0m <em>c\u00e1p internet vs c\u00e1p quang<\/em> s\u1ef1 t\u01b0\u01a1ng ph\u1ea3n r\u00f5 r\u00e0ng v\u1ec1 c\u00f4ng ngh\u1ec7.<\/p>\n\n\n\n<p>M\u1eb7t kh\u00e1c, <em>internet c\u00e1p so v\u1edbi c\u00e1p quang<\/em> hi\u1ec3n th\u1ecb c\u00e1p s\u1eed d\u1ee5ng c\u00e1p \u0111\u1ed3ng tr\u1ee5c b\u1eb1ng \u0111\u1ed3ng\u2014lo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho truy\u1ec1n h\u00ecnh c\u00e1p. N\u00f3 g\u1eedi d\u1eef li\u1ec7u d\u01b0\u1edbi d\u1ea1ng t\u00edn hi\u1ec7u \u0111i\u1ec7n\u2014v\u00ed d\u1ee5, t\u1ea7n s\u1ed1 1 GHz\u2014qua c\u00e1p \u0111\u1ed3ng, nh\u01b0ng m\u1ea5t t\u00edn hi\u1ec7u theo kho\u1ea3ng c\u00e1ch\u2014v\u00ed d\u1ee5, 10 dB\/km\u2014gi\u1edbi h\u1ea1n ph\u1ea1m vi kho\u1ea3ng 5 km cho 1 Gbps. <em>s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa internet c\u00e1p quang v\u00e0 c\u00e1p quang<\/em> \u1edf \u0111\u00e2y c\u00f3 m\u1ed9t s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn\u2014h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean \u00e1nh s\u00e1ng c\u1ee7a c\u00e1p quang nhanh h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n, trong khi t\u00edn hi\u1ec7u \u0111i\u1ec7n c\u1ee7a c\u00e1p d\u1ec5 b\u1ecb nhi\u1ec5u h\u01a1n\u2014v\u00ed d\u1ee5, t\u00edn hi\u1ec7u 20% b\u1ecb gi\u1ea3m trong b\u00e3o\u2014t\u1ea1o ti\u1ec1n \u0111\u1ec1 cho s\u1ef1 c\u1ea1nh tranh c\u1ee7a ch\u00fang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 t\u1ed1c \u0111\u1ed9 gi\u1eefa Internet c\u00e1p quang v\u00e0 Internet c\u00e1p quang l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>T\u1ed1c \u0111\u1ed9 l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng <em>c\u00e1p internet vs c\u00e1p quang<\/em>\u2014v\u1eady th\u00ec c\u00e1i g\u00ec <em>s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa internet c\u00e1p quang v\u00e0 c\u00e1p quang<\/em> khi n\u00f3i \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 c\u1ee7a ch\u00fang? <em>Internet c\u00e1p quang so v\u1edbi c\u00e1p truy\u1ec1n h\u00ecnh<\/em> th\u1eadm ch\u00ed c\u00f2n kh\u00f4ng g\u1ea7n\u2014s\u1ee3i quang c\u00f3 th\u1ec3 \u0111\u1ea1t 1 Gbps \u0111\u1ebfn 10 Gbps\u2014v\u00ed d\u1ee5, t\u1ea3i xu\u1ed1ng phim 4K trong 30 gi\u00e2y\u2014tr\u00ean 20 km v\u1edbi m\u1ee9c suy hao t\u1ed1i thi\u1ec3u\u2014v\u00ed d\u1ee5, 0,2 dB\/km. N\u00f3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng cho nhu c\u1ea7u cao\u2014v\u00ed d\u1ee5, ph\u00e1t tr\u1ef1c tuy\u1ebfn, ch\u01a1i game v\u00e0 l\u00e0m vi\u1ec7c tr\u00ean nhi\u1ec1u thi\u1ebft b\u1ecb\u2014m\u00e0 kh\u00f4ng b\u1ecb ch\u1eadm l\u1ea1i.<\/p>\n\n\n\n<p>TRONG <em>internet c\u00e1p so v\u1edbi c\u00e1p quang<\/em>, c\u00e1p \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a l\u00e0 1 Gbps\u2014v\u00ed d\u1ee5, 500 Mbps trong gi\u1edd cao \u0111i\u1ec3m\u2014v\u00ec n\u00f3 chia s\u1ebb b\u0103ng th\u00f4ng v\u1edbi h\u00e0ng x\u00f3m c\u1ee7a b\u1ea1n\u2014v\u00ed d\u1ee5, \u0111\u01b0\u1eddng truy\u1ec1n 1 Gbps \u0111\u01b0\u1ee3c chia cho 50 ng\u00f4i nh\u00e0. N\u00f3 c\u0169ng m\u1ea5t d\u1ea7n nhanh h\u01a1n\u2014v\u00ed d\u1ee5, 100 Mbps \u1edf 5 km\u2014do gi\u1edbi h\u1ea1n c\u1ee7a \u0111\u1ed3ng. <em>s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa internet c\u00e1p quang v\u00e0 c\u00e1p quang<\/em> t\u1ecfa s\u00e1ng \u1edf \u0111\u00e2y\u2014t\u1ed1c \u0111\u1ed9 chuy\u00ean d\u1ee5ng c\u1ee7a c\u00e1p quang\u2014v\u00ed d\u1ee5, 1 Gbps \u1ed5n \u0111\u1ecbnh\u2014\u0111\u00e1nh b\u1ea1i hi\u1ec7u su\u1ea5t kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, \u0111\u01b0\u1ee3c chia s\u1ebb c\u1ee7a c\u00e1p\u2014v\u00ed d\u1ee5, 200 Mbps v\u00e0o nh\u1eefng th\u1eddi \u0111i\u1ec3m b\u1eadn r\u1ed9n\u2014khi\u1ebfn c\u00e1p quang tr\u1edf th\u00e0nh nh\u00e0 v\u00f4 \u0111\u1ecbch v\u1ec1 t\u1ed1c \u0111\u1ed9 <em>internet c\u00e1p quang so v\u1edbi c\u00e1p quang<\/em>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/fiber-VS-cable.jpg\"><img decoding=\"async\" width=\"1000\" height=\"378\" src=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/fiber-VS-cable.jpg\" alt=\"s\u1ee3i quang so v\u1edbi c\u00e1p\" class=\"wp-image-3223\" srcset=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/fiber-VS-cable.jpg 1000w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/fiber-VS-cable-300x113.jpg 300w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/fiber-VS-cable-768x290.jpg 768w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/fiber-VS-cable-600x227.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/a><figcaption class=\"wp-element-caption\">s\u1ee3i quang so v\u1edbi c\u00e1p<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Internet c\u00e1p so v\u1edbi Internet c\u00e1p quang c\u00f3 \u0111\u00e1ng tin c\u1eady kh\u00f4ng?<\/h2>\n\n\n\n<p>\u0110\u1ed9 tin c\u1eady l\u00e0 v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng <em>internet c\u00e1p quang so v\u1edbi c\u00e1p quang<\/em>\u2014c\u00e1i n\u00e0o gi\u1eef cho b\u1ea1n k\u1ebft n\u1ed1i? Trong <em>internet c\u00e1p so v\u1edbi c\u00e1p quang<\/em>, ch\u1ea5t x\u01a1 th\u1eafng th\u1ebf ho\u00e0n to\u00e0n. <em>S\u1ee3i quang<\/em> C\u00e1p s\u1eed d\u1ee5ng th\u1ee7y tinh, kh\u00f4ng quan t\u00e2m \u0111\u1ebfn th\u1eddi ti\u1ebft\u2014v\u00ed d\u1ee5, kh\u00f4ng m\u1ea5t t\u00edn hi\u1ec7u khi tr\u1eddi m\u01b0a\u2014truy\u1ec1n t\u1ea3i \u1ed5n \u0111\u1ecbnh 1 Gbps tr\u00ean 20 km\u2014v\u00ed d\u1ee5, t\u1ed5ng m\u1ee9c m\u1ea5t m\u00e1t l\u00e0 0,4 dB. Ch\u00fang c\u0169ng kh\u00f4ng b\u1ecb nhi\u1ec5u \u0111i\u1ec7n\u2014v\u00ed d\u1ee5, kh\u00f4ng c\u00f3 ti\u1ebfng \u1ed3n g\u1ea7n \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n\u2014kh\u00f4ng gi\u1ed1ng nh\u01b0 \u0111\u1ed3ng, c\u00f3 th\u1ec3 b\u1eaft t\u0129nh \u0111i\u1ec7n\u2014v\u00ed d\u1ee5, t\u00edn hi\u1ec7u 10% gi\u1ea3m g\u1ea7n \u0111\u01b0\u1eddng d\u00e2y 50 kV.<\/p>\n\n\n\n<p>Trong khi \u0111\u00f3, <em>c\u00e1p internet vs c\u00e1p quang<\/em> cho th\u1ea5y \u0111i\u1ec3m y\u1ebfu c\u1ee7a c\u00e1p\u2014c\u00e1p \u0111\u1ed3ng tr\u1ee5c b\u1eb1ng \u0111\u1ed3ng d\u1ec5 b\u1ecb m\u1ea5t \u0111i\u1ec7n\u2014v\u00ed d\u1ee5, m\u1ea5t t\u00edn hi\u1ec7u 20% trong b\u00e3o\u2014v\u00ec ch\u00fang d\u1eabn \u0111i\u1ec7n\u2014v\u00ed d\u1ee5, s\u00e9t c\u00f3 th\u1ec3 l\u00e0m ch\u00e1y modem c\u1ee7a b\u1ea1n, t\u1ed1n $500 \u0111\u1ec3 thay th\u1ebf. <em>s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa internet c\u00e1p quang v\u00e0 c\u00e1p quang<\/em> r\u00f5 r\u00e0ng\u2014\u0111\u1ed9 b\u1ec1n c\u1ee7a s\u1ee3i quang\u2014v\u00ed d\u1ee5, th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng 99,99%\u2014l\u00e0m cho n\u00f3 \u0111\u00e1ng tin c\u1eady h\u01a1n 99,9% c\u1ee7a c\u00e1p\u2014m\u1ed9t \u0111i\u1ec3m quan tr\u1ecdng trong <em>internet c\u00e1p quang so v\u1edbi c\u00e1p<\/em> d\u00e0nh cho b\u1ea5t k\u1ef3 ai c\u1ea7n k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Chi ph\u00ed c\u1ee7a c\u00e1p Internet so v\u1edbi c\u00e1p quang l\u00e0 bao nhi\u00eau?<\/h2>\n\n\n\n<p>Ch\u00fang ta h\u00e3y n\u00f3i v\u1ec1 ti\u1ec1n b\u1ea1c <em>internet c\u00e1p quang so v\u1edbi c\u00e1p quang<\/em>\u2014chi ph\u00ed x\u1ebfp ch\u1ed3ng l\u00ean nhau nh\u01b0 th\u1ebf n\u00e0o? Trong <em>c\u00e1p internet vs c\u00e1p quang<\/em>, chi ph\u00ed ban \u0111\u1ea7u c\u1ee7a c\u00e1p quang cao h\u01a1n\u2014v\u00ed d\u1ee5, $260 cho m\u1ed7i h\u1ed9 gia \u0111\u00ecnh \u0111\u1ed1i v\u1edbi ISP. \u0110\u01b0\u1eddng c\u00e1p quang d\u00e0i 50 km\u2014$0,50\/m\u2014c\u00f3 gi\u00e1 $25.000\u2014c\u1ed9ng v\u1edbi $5000\/km nh\u00e2n c\u00f4ng\u2014v\u00ed d\u1ee5, t\u1ed5ng c\u1ed9ng $275.000\u2014cho 5000 h\u1ed9 gia \u0111\u00ecnh\u2014$55\/h\u1ed9 gia \u0111\u00ecnh. Th\u00eam c\u00e1p th\u1ea3\u2014m\u1ed7i c\u00e1p $100\u2014v\u00ed d\u1ee5, $500.000\u2014v\u00e0 thi\u1ebft b\u1ecb\u2014v\u00ed d\u1ee5, $505.000 cho ONT\u2014t\u1ed5ng c\u1ed9ng $1,3 tri\u1ec7u\u2014$260\/h\u1ed9 gia \u0111\u00ecnh. \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng, <em>internet c\u00e1p quang so v\u1edbi c\u00e1p<\/em> c\u00f3 ngh\u0129a l\u00e0 $50\/th\u00e1ng cho 1 Gbps\u2014v\u00ed d\u1ee5: $600\/n\u0103m.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/fiber-optic-cable.jpg\"><img decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/fiber-optic-cable-1024x682.jpg\" alt=\"c\u00e1p quang\" class=\"wp-image-3226\" srcset=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/fiber-optic-cable-1024x682.jpg 1024w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/fiber-optic-cable-300x200.jpg 300w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/fiber-optic-cable-768x511.jpg 768w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/fiber-optic-cable-600x400.jpg 600w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/fiber-optic-cable.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">c\u00e1p quang<\/figcaption><\/figure>\n\n\n\n<p><em>Internet c\u00e1p so v\u1edbi c\u00e1p quang<\/em> r\u1ebb h\u01a1n khi l\u1eafp \u0111\u1eb7t\u2014v\u00ed d\u1ee5, $50\/nh\u00e0\u2014s\u1eed d\u1ee5ng c\u00e1p \u0111\u1ed3ng tr\u1ee5c hi\u1ec7n c\u00f3\u2014v\u00ed d\u1ee5, $1000\/km so v\u1edbi c\u00e1p quang l\u00e0 $5000\/km\u2014t\u1ed5ng c\u1ed9ng l\u00e0 $250.000 cho 5000 h\u1ed9 gia \u0111\u00ecnh. Nh\u01b0ng chi ph\u00ed c\u1ee7a ng\u01b0\u1eddi d\u00f9ng th\u00ec t\u01b0\u01a1ng t\u1ef1\u2014v\u00ed d\u1ee5, $40\/th\u00e1ng cho 500 Mbps\u2014$480\/n\u0103m\u2014m\u1eb7c d\u00f9 chi ph\u00ed b\u1ea3o tr\u00ec \u0111\u1eaft h\u01a1n\u2014v\u00ed d\u1ee5, $10.000\/km so v\u1edbi c\u00e1p quang l\u00e0 $1000\/km. <em>s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa internet c\u00e1p quang v\u00e0 c\u00e1p quang<\/em> cho th\u1ea5y ti\u1ebft ki\u1ec7m d\u00e0i h\u1ea1n c\u1ee7a s\u1ee3i quang\u2014v\u00ed d\u1ee5, $1,3 tri\u1ec7u \u0111\u01b0\u1ee3c thu h\u1ed3i trong 5 n\u0103m\u2014l\u00e0m <em>internet c\u00e1p quang so v\u1edbi c\u00e1p quang<\/em> m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 t\u1ed1t h\u01a1n m\u1eb7c d\u00f9 chi ph\u00ed thi\u1ebft l\u1eadp cao h\u01a1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Internet c\u00e1p quang so v\u1edbi Internet c\u00e1p quang l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>Ch\u00fang ta h\u00e3y c\u00e2n nh\u1eafc <em>internet c\u00e1p quang so v\u1edbi c\u00e1p<\/em> tranh lu\u1eadn v\u1edbi m\u1ed9t s\u1ed1 \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u01afu \u0111i\u1ec3m c\u1ee7a s\u1ee3i:<\/strong> T\u1ed1c \u0111\u1ed9 10 Gbps\u2014v\u00ed d\u1ee5: 1 Gbps \u1ed5n \u0111\u1ecbnh\u2014tr\u00ean 20 km\u2014v\u00ed d\u1ee5: m\u1ea5t m\u00e1t 0,4 dB\u2014\u0111\u00e1ng tin c\u1eady\u2014v\u00ed d\u1ee5: kh\u00f4ng b\u1ecb m\u1ea5t \u0111i\u1ec7n do b\u00e3o\u2014kh\u00f4ng l\u1ed7i th\u1eddi\u2014v\u00ed d\u1ee5: n\u00e2ng c\u1ea5p PON 10G.<\/li>\n\n\n\n<li><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a ch\u1ea5t x\u01a1:<\/strong> Chi ph\u00ed l\u1eafp \u0111\u1eb7t cao\u2014v\u00ed d\u1ee5: $260\/nh\u00e0\u2014kh\u00f4ng ph\u1ea3i \u1edf m\u1ecdi n\u01a1i\u2014v\u00ed d\u1ee5: 10% v\u00f9ng n\u00f4ng th\u00f4n Hoa K\u1ef3 (FCC 2023).<\/li>\n\n\n\n<li><strong>\u01afu \u0111i\u1ec3m c\u1ee7a c\u00e1p:<\/strong> Thi\u1ebft l\u1eadp r\u1ebb h\u01a1n\u2014v\u00ed d\u1ee5: $50\/gia \u0111\u00ecnh\u2014ph\u1ed5 bi\u1ebfn r\u1ed9ng r\u00e3i\u2014v\u00ed d\u1ee5: v\u00f9ng ph\u1ee7 s\u00f3ng 90% t\u1ea1i Hoa K\u1ef3\u2014t\u1ed1c \u0111\u1ed9 t\u1ed1t\u2014v\u00ed d\u1ee5: 500 Mbps.<\/li>\n\n\n\n<li><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1p:<\/strong> Ch\u1eadm h\u01a1n\u2014v\u00ed d\u1ee5: th\u1eddi gian \u0111\u1ec9nh 200 Mbps\u2014k\u00e9m tin c\u1eady h\u01a1n\u2014v\u00ed d\u1ee5: m\u1ea5t d\u1eef li\u1ec7u do b\u00e3o 20%\u2014b\u0103ng th\u00f4ng \u0111\u01b0\u1ee3c chia s\u1ebb\u2014v\u00ed d\u1ee5: 1 Gbps chia 50 h\u01b0\u1edbng.<\/li>\n<\/ul>\n\n\n\n<p>TRONG <em>c\u00e1p internet vs c\u00e1p quang<\/em>, t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u00e1p quang n\u1ed5i b\u1eadt\u2014v\u00ed d\u1ee5, 1 Gbps cho m\u1ed9t gia \u0111\u00ecnh\u2014trong khi gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng c\u1ee7a c\u00e1p\u2014v\u00ed d\u1ee5, $40\/th\u00e1ng\u2014ph\u00f9 h\u1ee3p v\u1edbi ng\u00e2n s\u00e1ch eo h\u1eb9p h\u01a1n\u2014l\u00e0m n\u1ed5i b\u1eadt <em>s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa internet c\u00e1p quang v\u00e0 c\u00e1p quang<\/em>\u2014CommMesh t\u1ea1i <a href=\"https:\/\/commmesh.com\/vi\/\" target=\"_blank\" rel=\"noreferrer noopener\">M\u1ea1ng l\u01b0\u1edbi giao ti\u1ebfp<\/a> cung c\u1ea5p gi\u1ea3i ph\u00e1p c\u00e1p quang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Internet c\u00e1p c\u00f3 s\u1eb5n nh\u01b0 th\u1ebf n\u00e0o so v\u1edbi Internet c\u00e1p quang?<\/h2>\n\n\n\n<p>H\u00ecnh d\u1ea1ng kh\u1ea3 d\u1ee5ng <em>internet c\u00e1p so v\u1edbi c\u00e1p quang<\/em>\u2014b\u1ea1n c\u00f3 th\u1ec3 l\u1ea5y ch\u00fang \u1edf \u0111\u00e2u? Trong <em>c\u00e1p internet vs c\u00e1p quang<\/em>, c\u00e1p ph\u1ed5 bi\u1ebfn h\u01a1n\u2014v\u00ed d\u1ee5, 90% h\u1ed9 gia \u0111\u00ecnh \u1edf Hoa K\u1ef3 c\u00f3 quy\u1ec1n truy c\u1eadp (FCC 2023)\u2014v\u00ec c\u00e1p \u0111\u1ed3ng tr\u1ee5c \u0111\u00e3 c\u00f3 s\u1eb5n t\u1eeb truy\u1ec1n h\u00ecnh c\u00e1p\u2014v\u00ed d\u1ee5, $1000\/km \u0111\u1ec3 n\u00e2ng c\u1ea5p so v\u1edbi c\u00e1p quang l\u00e0 $5000\/km. Ph\u1ed5 bi\u1ebfn \u1edf c\u00e1c th\u00e0nh ph\u1ed1 v\u00e0 v\u00f9ng ngo\u1ea1i \u00f4\u2014v\u00ed d\u1ee5, g\u00f3i 500 Mbps v\u1edbi gi\u00e1 $40\/th\u00e1ng\u2014l\u00e0m <em>internet c\u00e1p quang so v\u1edbi c\u00e1p quang<\/em> nghi\u00eang v\u1ec1 ph\u00eda c\u00e1p \u0111\u1ec3 d\u1ec5 ti\u1ebfp c\u1eadn.<\/p>\n\n\n\n<p><em>Internet c\u00e1p quang so v\u1edbi c\u00e1p truy\u1ec1n h\u00ecnh<\/em> ch\u1eadm tr\u1ec5 trong ph\u1ea1m vi ti\u1ebfp c\u1eadn\u2014v\u00ed d\u1ee5, 50% h\u1ed9 gia \u0111\u00ecnh t\u1ea1i Hoa K\u1ef3 v\u00e0o n\u0103m 2023\u2014do chi ph\u00ed l\u1eafp \u0111\u1eb7t cao\u2014v\u00ed d\u1ee5, $260\/h\u1ed9 gia \u0111\u00ecnh\u2014\u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf c\u00e1c v\u00f9ng n\u00f4ng th\u00f4n\u2014v\u00ed d\u1ee5, ph\u1ea1m vi ph\u1ee7 s\u00f3ng 10%. Nh\u01b0ng c\u00e1p quang \u0111ang ph\u00e1t tri\u1ec3n\u2014v\u00ed d\u1ee5, 60% v\u00e0o n\u0103m 2030 (Statista)\u2014khi c\u00e1c ISP m\u1edf r\u1ed9ng\u2014v\u00ed d\u1ee5, c\u00e1c g\u00f3i 1 Gbps cho $50\/th\u00e1ng t\u1ea1i c\u00e1c th\u00e0nh ph\u1ed1. <em>s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa internet c\u00e1p quang v\u00e0 c\u00e1p quang<\/em> t\u00ednh kh\u1ea3 d\u1ee5ng \u1edf \u0111\u00e2y\u2014c\u00e1p hi\u1ec7n c\u00f3 \u1edf kh\u1eafp m\u1ecdi n\u01a1i, nh\u01b0ng c\u00e1p quang \u0111ang nhanh ch\u00f3ng b\u1eaft k\u1ecbp.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/copper-cable.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"851\" src=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/copper-cable.jpg\" alt=\"c\u00e1p \u0111\u1ed3ng\" class=\"wp-image-3228\" srcset=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/copper-cable.jpg 1000w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/copper-cable-300x255.jpg 300w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/copper-cable-768x654.jpg 768w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/04\/copper-cable-600x511.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/a><figcaption class=\"wp-element-caption\">c\u00e1p \u0111\u1ed3ng<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Lo\u1ea1i n\u00e0o t\u1ed1t h\u01a1n cho ch\u01a1i game: Internet c\u00e1p quang hay Internet c\u00e1p quang?<\/h2>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi game th\u1ee7, <em>internet c\u00e1p quang so v\u1edbi c\u00e1p quang<\/em> r\u1ea5t quan tr\u1ecdng\u2014c\u00e1i n\u00e0o t\u1ed1t h\u01a1n? Trong <em>internet c\u00e1p quang so v\u1edbi c\u00e1p<\/em>, c\u00e1p quang th\u1eafng th\u1ebf v\u1edbi \u0111\u1ed9 tr\u1ec5 th\u1ea5p\u2014v\u00ed d\u1ee5, 5 ms so v\u1edbi 20 ms c\u1ee7a c\u00e1p\u2014r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c tr\u00f2 ch\u01a1i nh\u1ecbp \u0111\u1ed9 nhanh\u2014v\u00ed d\u1ee5, kh\u00f4ng c\u00f3 \u0111\u1ed9 tr\u1ec5 trong tr\u00f2 ch\u01a1i ph\u1ea3n \u1ee9ng 1 ms. N\u00f3 c\u0169ng cung c\u1ea5p t\u1ed1c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh 1 Gbps\u2014v\u00ed d\u1ee5, t\u1ea3i xu\u1ed1ng tr\u00f2 ch\u01a1i 50 GB trong 6 ph\u00fat\u2014so v\u1edbi t\u1ed1c \u0111\u1ed9 \u0111\u1ec9nh 200 Mbps c\u1ee7a c\u00e1p\u2014v\u00ed d\u1ee5, 30 ph\u00fat\u2014do b\u0103ng th\u00f4ng \u0111\u01b0\u1ee3c chia s\u1ebb.<\/p>\n\n\n\n<p><em>Internet c\u00e1p so v\u1edbi c\u00e1p quang<\/em> v\u1eadt l\u1ed9n\u2014v\u00ed d\u1ee5, gi\u1ea3m 50 Mbps trong gi\u1edd cao \u0111i\u1ec3m\u2014g\u00e2y ra \u0111\u1ed9 tr\u1ec5\u2014v\u00ed d\u1ee5, t\u0103ng \u0111\u1ed9t bi\u1ebfn 100 ms\u2014g\u00e2y kh\u00f3 ch\u1ecbu cho vi\u1ec7c ch\u01a1i tr\u1ef1c tuy\u1ebfn. <em>s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa internet c\u00e1p quang v\u00e0 c\u00e1p quang<\/em> l\u00e0 r\u00f5 r\u00e0ng\u2014t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a s\u1ee3i quang\u2014v\u00ed d\u1ee5, th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng 99,99%\u2014l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh s\u1ef1 l\u1ef1a ch\u1ecdn c\u1ee7a game th\u1ee7 trong <em>c\u00e1p internet vs c\u00e1p quang<\/em>, \u0111\u1ea3m b\u1ea3o ch\u01a1i m\u01b0\u1ee3t m\u00e0 ngay c\u1ea3 khi nhi\u1ec1u thi\u1ebft b\u1ecb c\u00f9ng ch\u1ea1y.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">K\u1ebft lu\u1eadn: L\u1ef1a ch\u1ecdn gi\u1eefa Internet c\u00e1p quang v\u00e0 Internet c\u00e1p quang<\/h2>\n\n\n\n<p><em>Internet c\u00e1p quang so v\u1edbi c\u00e1p quang<\/em> ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u c\u1ee7a b\u1ea1n\u2014t\u1ed1c \u0111\u1ed9 ho\u1eb7c ti\u1ebft ki\u1ec7m, \u0111\u1ed9 tin c\u1eady ho\u1eb7c ph\u1ea1m vi\u2014nh\u01b0 ch\u1ecdn \u0111\u00fang c\u00f4ng c\u1ee5 cho c\u00f4ng vi\u1ec7c. Ch\u00fang t\u00f4i \u0111\u00e3 kh\u00e1m ph\u00e1 <em>s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa internet c\u00e1p quang v\u00e0 c\u00e1p quang<\/em>\u2014t\u1eeb c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng \u0111\u1ebfn chi ph\u00ed v\u00e0 c\u00e1c \u0111\u1eb7c quy\u1ec1n ch\u01a1i game c\u1ee7a ch\u00fang\u2014hi\u1ec3n th\u1ecb <em>c\u00e1p internet vs c\u00e1p quang<\/em> kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p v\u1edbi t\u1ea5t c\u1ea3. <em>Internet c\u00e1p quang so v\u1edbi c\u00e1p truy\u1ec1n h\u00ecnh<\/em> nghi\u00eang v\u1ec1 c\u00e1p quang v\u00ec t\u1ed1c \u0111\u1ed9 v\u00e0 s\u1ef1 \u1ed5n \u0111\u1ecbnh\u2014v\u00ed d\u1ee5, 1 Gbps m\u00e0 kh\u00f4ng c\u00f3 tr\u1ee5c tr\u1eb7c\u2014trong khi <em>internet c\u00e1p so v\u1edbi c\u00e1p quang<\/em> cung c\u1ea5p kh\u1ea3 n\u0103ng chi tr\u1ea3 v\u00e0 t\u00ednh kh\u1ea3 d\u1ee5ng\u2014v\u00ed d\u1ee5, $40\/th\u00e1ng h\u1ea7u nh\u01b0 \u1edf b\u1ea5t k\u1ef3 \u0111\u00e2u. V\u1edbi CommMesh cung c\u1ea5p c\u00e1p quang v\u1edbi gi\u00e1 $0,50\/m, b\u1ea1n c\u00f3 th\u1ec3 quy\u1ebft \u0111\u1ecbnh\u2014\u0111i c\u00e1p quang cho t\u01b0\u01a1ng lai hay c\u00e1p quang cho hi\u1ec7n t\u1ea1i\u2014v\u00e0 k\u1ebft n\u1ed1i theo c\u00e1ch c\u1ee7a b\u1ea1n!<\/p>","protected":false},"excerpt":{"rendered":"<p>B\u1ea1n \u0111ang c\u1ed1 g\u1eafng quy\u1ebft \u0111\u1ecbnh gi\u1eefa internet c\u00e1p quang v\u00e0 internet c\u00e1p cho gia \u0111\u00ecnh ho\u1eb7c v\u0103n ph\u00f2ng c\u1ee7a m\u00ecnh? \u0110\u00e2y l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn l\u1edbn - t\u1ed1c \u0111\u1ed9 internet, \u0111\u1ed9 tin c\u1eady v\u00e0 th\u1eadm ch\u00ed c\u1ea3 chi ph\u00ed c\u1ee7a b\u1ea1n ph\u1ee5 thu\u1ed9c v\u00e0o n\u00f3. Trong cu\u1ed9c tranh lu\u1eadn v\u1ec1 internet c\u00e1p quang v\u00e0 internet c\u00e1p quang, c\u1ea3 hai \u0111\u1ec1u c\u00f3 \u0111i\u1ec3m m\u1ea1nh ri\u00eang, nh\u01b0ng ch\u00fang ho\u1ea1t \u0111\u1ed9ng theo nh\u1eefng c\u00e1ch r\u1ea5t kh\u00e1c nhau. Internet c\u00e1p quang v\u00e0 internet c\u00e1p th\u01b0\u1eddng ph\u1ee5 thu\u1ed9c v\u00e0o nh\u1eefng g\u00ec b\u1ea1n [\u2026]<\/p>","protected":false},"author":1,"featured_media":3206,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"34","_seopress_titles_title":"Fiber vs Cable Internet: Which Is Right for You?","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[34],"tags":[],"class_list":["post-3213","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/posts\/3213","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/comments?post=3213"}],"version-history":[{"count":8,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/posts\/3213\/revisions"}],"predecessor-version":[{"id":3229,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/posts\/3213\/revisions\/3229"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/media\/3206"}],"wp:attachment":[{"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/media?parent=3213"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/categories?post=3213"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/tags?post=3213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}