{"id":5607,"date":"2025-03-18T11:12:00","date_gmt":"2025-03-18T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/100g-coherent-dwdm-solution-overview\/"},"modified":"2026-06-22T09:43:54","modified_gmt":"2026-06-22T09:43:54","slug":"100g-coherent-dwdm-solution-overview","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/100g-coherent-dwdm-solution-overview","title":{"rendered":"G\u00ec l\u00e0 c\u00f4ng ngh\u1ec7 DWDM 100G coherent?"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/00ae64656ba24e8588896c6808b75a99.webp\" alt=\"What Is 100G Coherent DWDM Technology\" class=\"wp-image-5604\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/00ae64656ba24e8588896c6808b75a99.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/00ae64656ba24e8588896c6808b75a99-300x169.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/00ae64656ba24e8588896c6808b75a99-1024x576.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/00ae64656ba24e8588896c6808b75a99-768x432.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/00ae64656ba24e8588896c6808b75a99-18x10.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f4ng ngh\u1ec7 DWDM \u0111\u1ed3ng pha 100G \u0111\u1ea1i di\u1ec7n cho m\u1ed9t b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 trong vi\u1ec5n th\u00f4ng quang h\u1ecdc. C\u00f4ng ngh\u1ec7 n\u00e0y k\u1ebft h\u1ee3p c\u00e1c k\u1ef9 thu\u1eadt ti\u00ean ti\u1ebfn nh\u01b0 ph\u00e1t hi\u1ec7n \u0111\u1ed3ng pha v\u00e0 x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 nh\u1eb1m c\u1ea3i thi\u1ec7n vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u qua s\u1ee3i quang. N\u00f3 n\u00e2ng cao hi\u1ec7u su\u1ea5t ph\u1ed5, cho ph\u00e9p nhi\u1ec1u d\u1eef li\u1ec7u h\u01a1n \u0111i qua m\u1ed9t s\u1ee3i quang duy nh\u1ea5t. \u0110\u1ed3ng th\u1eddi, c\u00f4ng ngh\u1ec7 n\u00e0y m\u1edf r\u1ed9ng ph\u1ea1m vi truy\u1ec1n quang, gi\u1ea3m thi\u1ec3u nhu c\u1ea7u chuy\u1ec3n \u0111\u1ed5i trung gian. T\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a n\u00f3 v\u1edbi c\u00f4ng ngh\u1ec7 l\u01b0\u1edbi linh ho\u1ea1t (flex-grid) h\u1ed7 tr\u1ee3 c\u00e1c y\u00eau c\u1ea7u b\u0103ng th\u00f4ng \u0111a d\u1ea1ng. B\u1eb1ng c\u00e1ch \u0111\u00e1p \u1ee9ng nhu c\u1ea7u b\u0103ng th\u00f4ng ng\u00e0y c\u00e0ng t\u0103ng trong vi\u1ec5n th\u00f4ng v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u, c\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng m\u1ea1ng \u0111\u00e1ng tin c\u1eady v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng. T\u1ed5ng quan Gi\u1ea3i ph\u00e1p DWDM \u0111\u1ed3ng pha 100G nh\u1ea5n m\u1ea1nh vai tr\u00f2 c\u1ee7a n\u00f3 trong vi\u1ec7c \u0111\u00e1p \u1ee9ng nhu c\u1ea7u k\u1ebft n\u1ed1i hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >Nh\u1eefng \u0111i\u1ec3m ch\u00ednh c\u1ea7n ghi nh\u1edb<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00f4ng ngh\u1ec7 DWDM \u0111\u1ed3ng pha 100G c\u1ea3i thi\u1ec7n vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 ti\u00ean ti\u1ebfn. N\u00f3 cho ph\u00e9p t\u1ed1c \u0111\u1ed9 nhanh h\u01a1n v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u t\u1ed1t h\u01a1n.<\/p><\/li><li><p>C\u00f4ng ngh\u1ec7 n\u00e0y ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i nh\u1edd gi\u1ea3m thi\u1ec3u c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 t\u00edn hi\u1ec7u. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho ng\u00e0nh vi\u1ec5n th\u00f4ng v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u.<\/p><\/li><li><p>M\u1ed9t l\u1ee3i th\u1ebf l\u1edbn l\u00e0 kh\u1ea3 n\u0103ng g\u1eedi nhi\u1ec1u d\u1eef li\u1ec7u h\u01a1n tr\u00ean c\u00f9ng c\u00e1c s\u1ee3i quang. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng v\u1ec1 t\u1ed1c \u0111\u1ed9 internet.<\/p><\/li><li><p>Thi\u1ebft k\u1ebf linh ho\u1ea1t c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng 100G cho ph\u00e9p m\u1ea1ng \u0111i\u1ec1u ch\u1ec9nh d\u1ec5 d\u00e0ng. Ch\u00fang c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i l\u1edbn thi\u1ebft b\u1ecb hi\u1ec7n c\u00f3.<\/p><\/li><li><p>C\u00f4ng ngh\u1ec7 n\u00e0y t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi nh\u01b0 tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI) v\u00e0 h\u1ecdc m\u00e1y. \u0110i\u1ec1u n\u00e0y s\u1ebd l\u00e0m cho m\u1ea1ng tr\u1edf n\u00ean hi\u1ec7u qu\u1ea3 h\u01a1n v\u00e0 s\u1eb5n s\u00e0ng \u0111\u00e1p \u1ee9ng nhu c\u1ea7u t\u1ed1c \u0111\u1ed9 cao trong t\u01b0\u01a1ng lai.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >T\u1ed5ng quan Gi\u1ea3i ph\u00e1p DWDM \u0111\u1ed3ng pha 100G<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/822933d614e141edb1d926f8c80ef851.webp\" alt=\"100G Coherent DWDM Solution Overview\" class=\"wp-image-5605\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/822933d614e141edb1d926f8c80ef851.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/822933d614e141edb1d926f8c80ef851-300x169.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/822933d614e141edb1d926f8c80ef851-1024x576.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/822933d614e141edb1d926f8c80ef851-768x432.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/822933d614e141edb1d926f8c80ef851-18x10.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Ph\u00e1t hi\u1ec7n \u0111\u1ed3ng pha<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" >Vai tr\u00f2 c\u1ee7a pha v\u00e0 bi\u00ean \u0111\u1ed9 trong x\u1eed l\u00fd t\u00edn hi\u1ec7u<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e1t hi\u1ec7n \u0111\u1ed3ng pha \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong c\u00e1c h\u1ec7 th\u1ed1ng vi\u1ec5n th\u00f4ng quang h\u1ecdc hi\u1ec7n \u0111\u1ea1i. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y x\u1eed l\u00fd c\u1ea3 pha v\u00e0 bi\u00ean \u0111\u1ed9 c\u1ee7a s\u00f3ng \u00e1nh s\u00e1ng, cho ph\u00e9p khai th\u00e1c nhi\u1ec1u th\u00f4ng tin h\u01a1n t\u1eeb c\u00e1c t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i. K\u1ef9 thu\u1eadt n\u00e0y cho ph\u00e9p t\u00e1i t\u1ea1o d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, ngay c\u1ea3 khi c\u00f3 nhi\u1ec5u ho\u1eb7c m\u00e9o t\u00edn hi\u1ec7u. M\u1ed9t nghi\u00ean c\u1ee9u ch\u1ec9 ra r\u1eb1ng ph\u00e1t hi\u1ec7n \u0111\u1ed3ng pha c\u00e2n b\u1eb1ng c\u1ea3i thi\u1ec7n t\u1ef7 s\u1ed1 t\u00edn hi\u1ec7u tr\u00ean nhi\u1ec5u (SNR) t\u1edbi 5 dB so v\u1edbi c\u00e1c c\u1ea5u h\u00ecnh s\u1eed d\u1ee5ng b\u1ed9 d\u00f2 \u0111\u01a1n truy\u1ec1n th\u1ed1ng. Ngo\u00e0i ra, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1ea1t \u0111\u1ed9 ph\u00e2n gi\u1ea3i t\u1ea7n s\u1ed1 d\u01b0\u1edbi 0,1 MHz, ch\u1ee9ng minh kh\u1ea3 n\u0103ng n\u00e2ng cao \u0111\u1ed9 r\u00f5 n\u00e9t v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a t\u00edn hi\u1ec7u.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >C\u00e1c \u01b0u \u0111i\u1ec3m so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n truy\u1ec1n th\u1ed1ng<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n truy\u1ec1n th\u1ed1ng ch\u1ec9 d\u1ef1a v\u00e0o c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng, do \u0111\u00f3 h\u1ea1n ch\u1ebf kh\u1ea3 n\u0103ng x\u1eed l\u00fd c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u0111i\u1ec1u ch\u1ebf ph\u1ee9c t\u1ea1p. Ng\u01b0\u1ee3c l\u1ea1i, ph\u00e1t hi\u1ec7n \u0111\u1ed3ng pha h\u1ed7 tr\u1ee3 c\u00e1c s\u01a1 \u0111\u1ed3 \u0111i\u1ec1u ch\u1ebf ti\u00ean ti\u1ebfn nh\u01b0 QPSK v\u00e0 16-QAM, gi\u00fap t\u0103ng dung l\u01b0\u1ee3ng d\u1eef li\u1ec7u. \u0110\u1ed3ng th\u1eddi, n\u00f3 c\u0169ng cho ph\u00e9p truy\u1ec1n d\u1eabn kho\u1ea3ng c\u00e1ch xa b\u1eb1ng c\u00e1ch b\u00f9 tr\u1eeb c\u00e1c suy hao t\u00edn hi\u1ec7u. Nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p \u2014 bao g\u1ed3m ng\u00e2n h\u00e0ng v\u00e0 d\u1ecbch v\u1ee5 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y \u2014 \u0111\u00e3 \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u n\u0103ng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u1ea1ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >X\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 (DSP)<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" >C\u00e1ch DSP th\u1ef1c hi\u1ec7n s\u1eeda l\u1ed7i v\u00e0 x\u1eed l\u00fd t\u00e1n s\u1eafc<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">X\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 (DSP) l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 qu\u1ea3n l\u00fd c\u00e1c suy hao truy\u1ec1n d\u1eabn trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed3ng pha 100G. DSP s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n \u0111\u1ec3 kh\u1eafc ph\u1ee5c t\u00e1n s\u1eafc chromatic v\u00e0 t\u00e1n s\u1eafc ch\u1ebf \u0111\u1ed9 ph\u00e2n c\u1ef1c, \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u. DSP c\u0169ng t\u00e1i t\u1ea1o t\u00edn hi\u1ec7u nh\u1eadn \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch s\u1eeda l\u1ed7i, t\u1eeb \u0111\u00f3 n\u00e2ng cao \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u1ea1ng quang. Nh\u1eefng kh\u1ea3 n\u0103ng n\u00e0y cho ph\u00e9p m\u1edf r\u1ed9ng kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng d\u1eef li\u1ec7u.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >T\u00e1c \u0111\u1ed9ng c\u1ee7a DSP \u0111\u1ed1i v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u v\u00e0 kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">DSP c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u b\u1eb1ng c\u00e1ch b\u00f9 tr\u1eeb c\u00e1c m\u00e9o x\u1ea3y ra trong qu\u00e1 tr\u00ecnh truy\u1ec1n d\u1eabn. N\u00f3 s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt c\u00e2n b\u1eb1ng th\u00edch nghi \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 trung th\u1ef1c c\u1ee7a d\u1eef li\u1ec7u. C\u00f4ng ngh\u1ec7 n\u00e0y m\u1edf r\u1ed9ng ph\u1ea1m vi truy\u1ec1n t\u00edn hi\u1ec7u \u0111\u1ed3ng pha, khi\u1ebfn n\u00f3 tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u00e1c m\u1ea1ng \u0111\u01b0\u1eddng d\u00e0i (long-haul) v\u00e0 m\u1ea1ng \u0111\u00f4 th\u1ecb (metro). Nh\u1edd gi\u1ea3i quy\u1ebft nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y, DSP \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c h\u1ec7 th\u1ed1ng DWDM \u0111\u1ed3ng pha 100G lu\u00f4n duy tr\u00ec hi\u1ec7u n\u0103ng \u1ed5n \u0111\u1ecbnh tr\u00ean nh\u1eefng kho\u1ea3ng c\u00e1ch r\u1ea5t l\u1edbn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110a b\u01b0\u1edbc s\u00f3ng m\u1eadt \u0111\u1ed9 cao (DWDM)<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" >T\u1ed5ng quan v\u1ec1 c\u00f4ng ngh\u1ec7 DWDM<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"http:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/basic-knowledge-lan-wdm-2025\/\">C\u00f4ng ngh\u1ec7 DWDM<\/a> Cho ph\u00e9p truy\u1ec1n nhi\u1ec1u lu\u1ed3ng d\u1eef li\u1ec7u tr\u00ean m\u1ed9t s\u1ee3i quang duy nh\u1ea5t b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c b\u01b0\u1edbc s\u00f3ng \u00e1nh s\u00e1ng kh\u00e1c nhau. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y t\u1ed1i \u0111a h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng s\u1eb5n c\u00f3, do \u0111\u00f3 r\u1ea5t hi\u1ec7u qu\u1ea3 cho c\u00e1c m\u1ea1ng c\u00f3 dung l\u01b0\u1ee3ng cao. <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-27045-100g-qsfp28-sfp-dd.htm\">M\u00f4-\u0111un QSFP28<\/a>, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng DWDM, h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u cao \u0111\u1ed3ng th\u1eddi ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 n\u0103ng l\u01b0\u1ee3ng.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >Vi\u1ec7c t\u00edch h\u1ee3p c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed3ng pha 100G v\u00e0o m\u1ea1ng DWDM<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c t\u00edch h\u1ee3p c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed3ng pha 100G v\u00e0o m\u1ea1ng DWDM n\u00e2ng cao kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a m\u1ea1ng. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y ho\u1ea1t \u0111\u1ed9ng li\u1ec1n m\u1ea1ch v\u1edbi ki\u1ebfn tr\u00fac m\u1ea1ng hi\u1ec7n c\u00f3, gi\u1ea3m nhu c\u1ea7u n\u00e2ng c\u1ea5p quy m\u00f4 l\u1edbn. C\u00e1c t\u00ednh n\u0103ng nh\u01b0 thay th\u1ebf n\u00f3ng (hot-swapping) gi\u00fap gi\u1ea3m thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng trong b\u1ea3o tr\u00ec. Ngo\u00e0i ra, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00f4ng ngh\u1ec7 l\u01b0\u1edbi linh ho\u1ea1t \u0111\u1ea3m b\u1ea3o m\u1ea1ng c\u00f3 th\u1ec3 th\u00edch \u1ee9ng v\u1edbi nhu c\u1ea7u b\u0103ng th\u00f4ng trong t\u01b0\u01a1ng lai.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >C\u00e1c t\u00ednh n\u0103ng v\u00e0 l\u1ee3i \u00edch ch\u00ednh<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u cao<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" >\u0110\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 100 Gbps v\u00e0 cao h\u01a1n<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f4ng ngh\u1ec7 DWDM \u0111\u1ed3ng pha 100G \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u 100 Gbps v\u00e0 cao h\u01a1n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u0111i\u1ec1u ch\u1ebf ti\u00ean ti\u1ebfn nh\u01b0 DP-QPSK. \u0110\u1ecbnh d\u1ea1ng n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t cho c\u00e1c m\u1ea1ng DWDM ho\u1ea1t \u0111\u1ed9ng tr\u00ean l\u01b0\u1edbi 50 GHz. Hi\u1ec7u qu\u1ea3 c\u1ee7a n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c Di\u1ec5n \u0111\u00e0n Li\u00ean m\u1ea1ng Quang h\u1ecdc (OIF) c\u00f4ng nh\u1eadn, v\u00e0 OIF khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng DP-QPSK cho c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng truy\u1ec1n 100 Gbps. Kh\u1ea3 n\u0103ng n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ea1ng c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng v\u1ec1 truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u n\u0103ng.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >T\u1ea7m quan tr\u1ecdng c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u b\u0103ng th\u00f4ng cao<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u cao l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u b\u0103ng th\u00f4ng \u0111\u00e1ng k\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 ph\u00e1t tr\u1ef1c tuy\u1ebfn video, \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y v\u00e0 tr\u00f2 ch\u01a1i tr\u1ef1c tuy\u1ebfn. C\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u nhanh ch\u00f3ng v\u00e0 \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 mang l\u1ea1i tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng li\u1ec1n m\u1ea1ch. T\u1ed5ng quan v\u1ec1 gi\u1ea3i ph\u00e1p DWDM \u0111\u1ed3ng b\u1ed9 100G nh\u1ea5n m\u1ea1nh kh\u1ea3 n\u0103ng \u0111\u00e1p \u1ee9ng nh\u1eefng y\u00eau c\u1ea7u n\u00e0y, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh th\u00e0nh ph\u1ea7n then ch\u1ed1t trong c\u00e1c m\u1ea1ng vi\u1ec5n th\u00f4ng hi\u1ec7n \u0111\u1ea1i v\u00e0 m\u1ea1ng trung t\u00e2m d\u1eef li\u1ec7u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Hi\u1ec7u su\u1ea5t ph\u1ed5<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" >T\u1ed1i \u0111a h\u00f3a vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb b\u0103ng th\u00f4ng<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec7u su\u1ea5t ph\u1ed5 l\u00e0 m\u1ed9t l\u1ee3i th\u1ebf ch\u00ednh c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng DWDM \u0111\u1ed3ng b\u1ed9 100G. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u0111i\u1ec1u ch\u1ebf M-QAM, c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y c\u00f3 th\u1ec3 m\u00e3 h\u00f3a nhi\u1ec1u bit tr\u00ean m\u1ed7i k\u00fd hi\u1ec7u, t\u1eeb \u0111\u00f3 t\u0103ng \u0111\u00e1ng k\u1ec3 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y cho ph\u00e9p c\u00e1c m\u1ea1ng t\u1ed1i \u0111a h\u00f3a vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u trong b\u0103ng th\u00f4ng s\u1eb5n c\u00f3, \u0111\u1ea3m b\u1ea3o s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean m\u1ed9t c\u00e1ch t\u1ed1i \u01b0u.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >L\u1ee3i \u00edch \u0111\u1ed1i v\u1edbi kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng m\u1ea1ng<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ee7a c\u00f4ng ngh\u1ec7 DWDM \u0111\u1ed3ng b\u1ed9 th\u1ec3 hi\u1ec7n r\u00f5 qua kh\u1ea3 n\u0103ng n\u00e2ng c\u1ea5p m\u1ea1ng t\u1eeb 10G ho\u1eb7c 40G l\u00ean 100G m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng quy m\u00f4 l\u1edbn. V\u00ed d\u1ee5:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Gi\u1ea3i ph\u00e1p DWDM \u0111\u1ed3ng b\u1ed9 100G c\u1ee7a FS h\u1ed7 tr\u1ee3 n\u00e2ng c\u1ea5p li\u1ec1n m\u1ea1ch, gi\u00fap gi\u1ea3m chi ph\u00ed v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p.<\/p><\/li><li><p>\u0110i\u1ec1u ch\u1ebf M-QAM n\u00e2ng cao dung l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u n\u0103ng, cho ph\u00e9p c\u00e1c m\u1ea1ng m\u1edf r\u1ed9ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<br\/>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c m\u1ea1ng lu\u00f4n s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u d\u1eef li\u1ec7u ng\u00e0y c\u00e0ng t\u0103ng v\u1edbi m\u1ee9c gi\u00e1n \u0111o\u1ea1n t\u1ed1i thi\u1ec3u.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >X\u1eed l\u00fd t\u00e1n s\u1eafc<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" >Kh\u1eafc ph\u1ee5c hi\u1ec7n t\u01b0\u1ee3ng t\u00e1n s\u1eafc s\u1eafc t\u1ed1 trong s\u1ee3i quang<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec7n t\u01b0\u1ee3ng t\u00e1n s\u1eafc s\u1eafc t\u1ed1 \u2014 m\u1ed9t v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn trong s\u1ee3i quang \u2014 c\u00f3 th\u1ec3 l\u00e0m m\u00e9o t\u00edn hi\u1ec7u tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i. C\u00e1c s\u1ee3i b\u00f9 t\u00e1n s\u1eafc gi\u1ea3i quy\u1ebft th\u00e1ch th\u1ee9c n\u00e0y b\u1eb1ng c\u00e1ch c\u00e2n b\u1eb1ng \u0111\u1ed9 t\u00e1n s\u1eafc c\u1ee7a s\u1ee3i ngo\u00e0i nh\u00e0 m\u00e1y. C\u00e1c b\u1ed9 ph\u00e1t \u0111i\u1ec1u ch\u1ebf b\u00ean ngo\u00e0i c\u0169ng l\u00e0m gi\u1ea3m s\u1ef1 lan r\u1ed9ng xung, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 r\u00f5 n\u00e9t c\u1ee7a t\u00edn hi\u1ec7u trong qu\u00e1 tr\u00ecnh truy\u1ec1n d\u1eabn.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >M\u1edf r\u1ed9ng kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c k\u1ef9 thu\u1eadt x\u1eed l\u00fd t\u00e1n s\u1eafc \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c m\u1edf r\u1ed9ng kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn. C\u00e1c s\u1ee3i quang c\u00f3 \u0111\u1ed9 t\u00e1n s\u1eafc d\u1ecbch chuy\u1ec3n kh\u00f4ng b\u1eb1ng kh\u00f4ng d\u1ecbch chuy\u1ec3n \u0111i\u1ec3m t\u00e1n s\u1eafc b\u1eb1ng kh\u00f4ng ra ngo\u00e0i c\u1eeda s\u1ed5 1550 nm, t\u1eeb \u0111\u00f3 c\u00e2n b\u1eb1ng hi\u1ec7u n\u0103ng v\u00e0 k\u00ecm h\u00e3m nhi\u1ec5u. Nh\u1eefng ti\u1ebfn b\u1ed9 n\u00e0y cho ph\u00e9p c\u00e1c h\u1ec7 th\u1ed1ng DWDM \u0111\u1ed3ng b\u1ed9 100G duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng \u1edf dung l\u01b0\u1ee3ng cao tr\u00ean c\u00e1c m\u1ea1ng \u0111\u01b0\u1eddng d\u00e0i, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho m\u1ea1ng v\u1eadn chuy\u1ec3n c\u1ee7a nh\u00e0 cung c\u1ea5p v\u00e0 m\u1ea1ng \u0111\u00f4 th\u1ecb.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u1ea5u tr\u00fac l\u01b0\u1edbi linh ho\u1ea1t<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" >N\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u00e0 t\u00ednh linh ho\u1ea1t c\u1ee7a m\u1ea1ng<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t c\u1ea5u tr\u00fac l\u01b0\u1edbi linh ho\u1ea1t \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong c\u00e1c m\u1ea1ng quang hi\u1ec7n \u0111\u1ea1i. Kh\u00f4ng gi\u1ed1ng c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0\u1edbi c\u1ed1 \u0111\u1ecbnh, n\u00f3 s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 l\u01b0\u1edbi linh ho\u1ea1t \u0111\u1ec3 ph\u00e2n b\u1ed5 b\u0103ng th\u00f4ng m\u1ed9t c\u00e1ch \u0111\u1ed9ng. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y cho ph\u00e9p m\u1ea1ng t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean v\u00e0 th\u00edch nghi v\u1edbi c\u00e1c k\u00edch th\u01b0\u1edbc k\u00eanh kh\u00e1c nhau. Ch\u1eb3ng h\u1ea1n, c\u00e1c l\u01b0\u1edbi linh ho\u1ea1t c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 c\u1ea3 k\u00eanh b\u0103ng th\u00f4ng h\u1eb9p v\u00e0 k\u00eanh b\u0103ng th\u00f4ng r\u1ed9ng, \u0111\u1ea3m b\u1ea3o s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 ph\u1ed5 s\u1eb5n c\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd ti\u00ean ti\u1ebfn, nh\u01b0 ph\u00e1t hi\u1ec7n \u0111\u1ed3ng b\u1ed9 v\u00e0 x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1, ti\u1ebfp t\u1ee5c n\u00e2ng cao hi\u1ec7u qu\u1ea3 m\u1ea1ng. C\u00e1c c\u00f4ng ngh\u1ec7 n\u00e0y c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u v\u00e0 m\u1edf r\u1ed9ng kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn, gi\u00fap m\u1ea1ng tr\u1edf n\u00ean \u0111\u00e1ng tin c\u1eady h\u01a1n. Ngo\u00e0i ra, c\u00e1c k\u1ef9 thu\u1eadt m\u1ea1ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng ph\u1ea7n m\u1ec1m (SDN) cho ph\u00e9p qu\u1ea3n l\u00fd m\u1ea1ng t\u1ef1 t\u1ed1i \u01b0u h\u00f3a. SDN \u0111i\u1ec1u ch\u1ec9nh c\u1ea5u h\u00ecnh m\u1ea1ng theo th\u1eddi gian th\u1ef1c \u0111\u1ec3 x\u1eed l\u00fd hi\u1ec7u qu\u1ea3 c\u00e1c thay \u0111\u1ed5i l\u01b0u l\u01b0\u1ee3ng. T\u00ednh th\u00edch \u1ee9ng n\u00e0y gi\u00fap gi\u1ea3m \u0111\u1ed9 tr\u1ec5 v\u00e0 \u0111\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng \u1ed5n \u0111\u1ecbnh trong c\u00e1c giai \u0111o\u1ea1n s\u1eed d\u1ee5ng cao \u0111i\u1ec3m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y n\u00eau b\u1eadt c\u00e1c kh\u00eda c\u1ea1nh ch\u00ednh v\u1ec1 c\u00e1ch c\u1ea5u tr\u00fac l\u01b0\u1edbi linh ho\u1ea1t n\u00e2ng cao hi\u1ec7u qu\u1ea3 m\u1ea1ng:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Y\u1ebfu t\u1ed1<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>M\u00f4 t\u1ea3<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Hi\u1ec7u su\u1ea5t ph\u1ed5<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00f4ng ngh\u1ec7 l\u01b0\u1edbi linh ho\u1ea1t cho ph\u00e9p nhi\u1ec1u k\u00eanh h\u01a1n trong m\u1ed9t b\u0103ng th\u00f4ng nh\u1ea5t \u0111\u1ecbnh, t\u1eeb \u0111\u00f3 n\u00e2ng cao dung l\u01b0\u1ee3ng.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>X\u1eed l\u00fd ti\u00ean ti\u1ebfn<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00e1c c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd \u0111\u1ed3ng b\u1ed9 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u v\u00e0 kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Qu\u1ea3n l\u00fd m\u1ea1ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00e1c k\u1ef9 thu\u1eadt SDN cho ph\u00e9p qu\u1ea3n l\u00fd m\u1ea1ng t\u1ef1 t\u1ed1i \u01b0u h\u00f3a, \u0111i\u1ec1u ch\u1ec9nh hi\u1ec7u qu\u1ea3 theo c\u00e1c thay \u0111\u1ed5i l\u01b0u l\u01b0\u1ee3ng.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Hi\u1ec7u qu\u1ea3 chi ph\u00ed<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh th\u00f4ng qua vi\u1ec7c s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean t\u1ed1i \u01b0u v\u00e0 gi\u1ea3m ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" >H\u1ed7 tr\u1ee3 nhu c\u1ea7u b\u0103ng th\u00f4ng trong t\u01b0\u01a1ng lai<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c c\u1ea5u tr\u00fac l\u01b0\u1edbi linh ho\u1ea1t c\u0169ng chu\u1ea9n b\u1ecb cho m\u1ea1ng s\u1eb5n s\u00e0ng \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u b\u0103ng th\u00f4ng trong t\u01b0\u01a1ng lai. Khi m\u1ee9c ti\u00eau th\u1ee5 d\u1eef li\u1ec7u t\u0103ng l\u00ean, c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0\u1edbi c\u1ed1 \u0111\u1ecbnh truy\u1ec1n th\u1ed1ng g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c \u0111\u00e1p \u1ee9ng nhu c\u1ea7u. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c l\u01b0\u1edbi linh ho\u1ea1t c\u00f3 th\u1ec3 ph\u00e2n b\u1ed5 b\u0103ng th\u00f4ng d\u1ef1a tr\u00ean nhu c\u1ea7u c\u1ee5 th\u1ec3. Kh\u1ea3 n\u0103ng n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ea1ng v\u1eabn c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng v\u00e0 lu\u00f4n s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f4ng ngh\u1ec7 l\u01b0\u1edbi linh ho\u1ea1t (flex-grid) h\u1ed7 tr\u1ee3 c\u00e1c d\u1ea3i b\u0103ng th\u00f4ng kh\u00e1c nhau, do \u0111\u00f3 t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng t\u1ed1c \u0111\u1ed9 cao m\u1edbi n\u1ed5i nh\u01b0 400G v\u00e0 800G. Nh\u1edd kh\u1ea3 n\u0103ng t\u00edch h\u1ee3p nh\u1eefng ti\u1ebfn b\u1ed9 n\u00e0y, c\u00e1c l\u01b0\u1edbi linh ho\u1ea1t gi\u00fap m\u1ea1ng ph\u00e1t tri\u1ec3n m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00e1ng k\u1ec3. Thi\u1ebft k\u1ebf mang t\u1ea7m nh\u00ecn xa n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c m\u1ea1ng quang c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c \u0111\u1ed5i m\u1edbi nh\u01b0 5G, IoT v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng d\u1ef1a tr\u00ean AI.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >So s\u00e1nh v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng kh\u00f4ng \u0111\u1ed3ng b\u1ed9 v\u00e0 DWDM truy\u1ec1n th\u1ed1ng<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1c h\u1ec7 th\u1ed1ng kh\u00f4ng \u0111\u1ed3ng b\u1ed9<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" >S\u1ef1 kh\u00e1c bi\u1ec7t trong c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c h\u1ec7 th\u1ed1ng kh\u00f4ng \u0111\u1ed3ng b\u1ed9 d\u1ef1a v\u00e0o c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n \u0111\u01a1n gi\u1ea3n h\u01a1n, ch\u1ec9 \u0111o c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y kh\u00f4ng s\u1eed d\u1ee5ng th\u00f4ng tin v\u1ec1 pha ho\u1eb7c t\u1ea7n s\u1ed1, \u0111i\u1ec1u n\u00e0y h\u1ea1n ch\u1ebf kh\u1ea3 n\u0103ng x\u1eed l\u00fd c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u0111i\u1ec1u ch\u1ebf ti\u00ean ti\u1ebfn. Trong khi \u0111\u00f3, c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed3ng b\u1ed9 x\u1eed l\u00fd c\u1ea3 pha v\u00e0 bi\u00ean \u0111\u1ed9, cho ph\u00e9p ch\u00fang tr\u00edch xu\u1ea5t nhi\u1ec1u d\u1eef li\u1ec7u h\u01a1n t\u1eeb c\u00e1c t\u00edn hi\u1ec7u truy\u1ec1n \u0111i. S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y gi\u00fap c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed3ng b\u1ed9 \u0111\u1ea1t \u0111\u1ed9 nh\u1ea1y cao h\u01a1n v\u00e0 hi\u1ec7u n\u0103ng t\u1ed1t h\u01a1n trong m\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec5u.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >H\u1ea1n ch\u1ebf v\u1ec1 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u v\u00e0 kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c h\u1ec7 th\u1ed1ng kh\u00f4ng \u0111\u1ed3ng pha g\u1eb7p ph\u1ea3i nh\u1eefng h\u1ea1n ch\u1ebf \u0111\u00e1ng k\u1ec3 c\u1ea3 v\u1ec1 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u v\u00e0 kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn. Nh\u1eefng h\u1ec7 th\u1ed1ng n\u00e0y g\u1eb7p kh\u00f3 kh\u0103n khi x\u1eed l\u00fd c\u00e1c s\u01a1 \u0111\u1ed3 \u0111i\u1ec1u ch\u1ebf ph\u1ee9c t\u1ea1p, t\u1eeb \u0111\u00f3 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t ph\u1ed5 c\u1ee7a ch\u00fang. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed3ng pha v\u01b0\u1ee3t tr\u1ed9i trong l\u0129nh v\u1ef1c n\u00e0y nh\u1edd kh\u1ea3 n\u0103ng b\u00f9 tr\u1eeb c\u00e1c suy hao k\u00eanh v\u00e0 t\u00edn hi\u1ec7u suy gi\u1ea3m. C\u00e1c h\u1ea1n ch\u1ebf ch\u00ednh c\u1ee7a h\u1ec7 th\u1ed1ng kh\u00f4ng \u0111\u1ed3ng pha bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i \u0111i\u1ec1u ch\u1ebf \u0111\u01a1n gi\u1ea3n l\u00e0m m\u1ea5t th\u00f4ng tin.<\/p><\/li><li><p>Hi\u1ec7u su\u1ea5t k\u00e9m h\u01a1n trong c\u00e1c k\u00eanh suy gi\u1ea3m.<\/p><\/li><li><p>Hi\u1ec7u su\u1ea5t ph\u1ed5 th\u1ea5p h\u01a1n, d\u1eabn \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u gi\u1ea3m.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed3ng pha kh\u1eafc ph\u1ee5c nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y b\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn nh\u01b0 x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 v\u00e0 ph\u00e1t hi\u1ec7n \u0111\u1ed3ng pha. \u0110i\u1ec1u n\u00e0y khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c m\u1ea1ng dung l\u01b0\u1ee3ng cao y\u00eau c\u1ea7u truy\u1ec1n d\u1eabn \u1edf kho\u1ea3ng c\u00e1ch xa.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >DWDM truy\u1ec1n th\u1ed1ng<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" >S\u1ef1 ti\u1ebfn h\u00f3a t\u1eeb DWDM truy\u1ec1n th\u1ed1ng sang c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed3ng pha<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c h\u1ec7 th\u1ed1ng DWDM truy\u1ec1n th\u1ed1ng ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt \u0111i\u1ec1u ch\u1ebf On-Off Keying (OOK), \u0111i\u1ec1u n\u00e0y h\u1ea1n ch\u1ebf dung l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a ch\u00fang. Vi\u1ec7c ra \u0111\u1eddi c\u00e1c h\u1ec7 th\u1ed1ng DWDM \u0111\u1ed3ng pha \u0111\u00e1nh d\u1ea5u m\u1ed9t b\u01b0\u1edbc ti\u1ebfn quan tr\u1ecdng trong vi\u1ec5n th\u00f4ng quang h\u1ecdc. Nh\u1eefng h\u1ec7 th\u1ed1ng n\u00e0y \u00e1p d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt \u0111i\u1ec1u ch\u1ebf ti\u00ean ti\u1ebfn nh\u01b0 QPSK v\u00e0 16-QAM nh\u1eb1m n\u00e2ng cao t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u v\u00e0 hi\u1ec7u su\u1ea5t ph\u1ed5. C\u00f4ng ngh\u1ec7 l\u01b0\u1edbi linh ho\u1ea1t c\u00f2n t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ee7a ch\u00fang, gi\u00fap m\u1ea1ng th\u00edch \u1ee9ng v\u1edbi nhu c\u1ea7u b\u0103ng th\u00f4ng ng\u00e0y c\u00e0ng gia t\u0103ng.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >\u01afu \u0111i\u1ec3m v\u1ec1 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 hi\u1ec7u qu\u1ea3<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c h\u1ec7 th\u1ed1ng DWDM \u0111\u1ed3ng pha mang l\u1ea1i nhi\u1ec1u \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u1ed1ng. Ch\u00fang cung c\u1ea5p kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng dung l\u01b0\u1ee3ng t\u0103ng g\u1ea5p m\u01b0\u1eddi l\u1ea7n, cho ph\u00e9p m\u1ea1ng x\u1eed l\u00fd kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn h\u01a1n. Kho\u1ea3ng c\u00e1ch k\u00eanh linh ho\u1ea1t t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng, trong khi c\u00e1c k\u1ef9 thu\u1eadt \u0111i\u1ec1u ch\u1ebf ti\u00ean ti\u1ebfn c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y n\u00eau b\u1eadt nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa hai lo\u1ea1i h\u1ec7 th\u1ed1ng:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\u0110\u1eb7c t\u00ednh<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>H\u1ec7 th\u1ed1ng truy\u1ec1n th\u1ed1ng<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>H\u1ec7 th\u1ed1ng DWDM \u0111\u1ed3ng pha<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>M\u1ee9c \u0111\u1ed9 m\u1edf r\u1ed9ng dung l\u01b0\u1ee3ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>H\u1ea1n ch\u1ebf<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u0103ng 10 l\u1ea7n<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>K\u1ef9 thu\u1eadt \u0111i\u1ec1u ch\u1ebf<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>OOK<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110i\u1ec1u ch\u1ebf ti\u00ean ti\u1ebfn<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Kho\u1ea3ng c\u00e1ch k\u00eanh<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u1ed1 \u0111\u1ecbnh<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Linh ho\u1ea1t<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u1ed9 ph\u1ee9c t\u1ea1p trong thi\u1ebft k\u1ebf m\u1ea1ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao h\u01a1n<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u01b0\u01a1ng t\u1ef1 nh\u01b0 OOK 10 Gbps<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng ti\u1ebfn b\u1ed9 n\u00e0y khi\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng DWDM \u0111\u1ed3ng pha tr\u1edf th\u00e0nh n\u1ec1n t\u1ea3ng c\u1ed1t l\u00f5i c\u1ee7a c\u00e1c m\u1ea1ng quang hi\u1ec7n \u0111\u1ea1i. Kh\u1ea3 n\u0103ng t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u00e0o c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng hi\u1ec7n c\u00f3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c m\u1ea1ng v\u1eabn lu\u00f4n s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai. T\u1ed5ng quan Gi\u1ea3i ph\u00e1p DWDM \u0111\u1ed3ng pha 100G minh h\u1ecda c\u00e1ch c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng v\u1ec1 giao ti\u1ebfp t\u1ed1c \u0111\u1ed9 cao v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a c\u00f4ng ngh\u1ec7 DWDM \u0111\u1ed3ng pha 100G<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ca82c828f0845e8a2fc1eef02e927b8.webp\" alt=\"Applications of 100G Coherent DWDM Technology\" class=\"wp-image-5606\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ca82c828f0845e8a2fc1eef02e927b8.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ca82c828f0845e8a2fc1eef02e927b8-300x169.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ca82c828f0845e8a2fc1eef02e927b8-1024x576.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ca82c828f0845e8a2fc1eef02e927b8-768x432.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ca82c828f0845e8a2fc1eef02e927b8-18x10.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >M\u1ea1ng v\u1eadn chuy\u1ec3n c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" >Vai tr\u00f2 trong m\u1ea1ng \u0111\u01b0\u1eddng d\u00e0i v\u00e0 m\u1ea1ng \u0111\u00f4 th\u1ecb<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f4ng ngh\u1ec7 DWDM \u0111\u1ed3ng pha 100G \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong m\u1ea1ng v\u1eadn chuy\u1ec3n c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5. N\u00f3 h\u1ed7 tr\u1ee3 c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u01b0\u1eddng d\u00e0i v\u00e0 \u0111\u00f4 th\u1ecb b\u1eb1ng c\u00e1ch cho ph\u00e9p truy\u1ec1n d\u1eabn d\u1eef li\u1ec7u dung l\u01b0\u1ee3ng cao tr\u00ean kho\u1ea3ng c\u00e1ch xa. C\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady ngay c\u1ea3 trong c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0111\u1ea7y th\u00e1ch th\u1ee9c, ch\u1eb3ng h\u1ea1n nh\u01b0 nh\u1eefng n\u01a1i c\u00f3 m\u1ee9c \u0111\u1ed9 t\u00e1n s\u1eafc s\u1eafc m\u00e0u cao. C\u00e1c \u0111\u1ecbnh d\u1ea1ng \u0111i\u1ec1u ch\u1ebf ti\u00ean ti\u1ebfn v\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 c\u1ee7a n\u00f3 gi\u00fap c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u tr\u00ean c\u00e1c khu v\u1ef1c \u0111\u1ecba l\u00fd r\u1ed9ng l\u1edbn. \u0110i\u1ec1u n\u00e0y khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p l\u00fd t\u01b0\u1edfng \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c th\u00e0nh ph\u1ed1, v\u00f9ng mi\u1ec1n v\u00e0 qu\u1ed1c gia.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >L\u1ee3i \u00edch \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p vi\u1ec5n th\u00f4ng<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c nh\u00e0 cung c\u1ea5p vi\u1ec5n th\u00f4ng thu \u0111\u01b0\u1ee3c l\u1ee3i \u00edch \u0111\u00e1ng k\u1ec3 t\u1eeb c\u00e1c h\u1ec7 th\u1ed1ng DWDM \u0111\u1ed3ng pha 100G. Nh\u1eefng h\u1ec7 th\u1ed1ng n\u00e0y n\u00e2ng cao b\u0103ng th\u00f4ng, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t ph\u1ed5 v\u00e0 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng hi\u1ec7n c\u00f3. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y n\u00eau b\u1eadt c\u00e1c t\u00ednh n\u0103ng ch\u00ednh khi\u1ebfn c\u00f4ng ngh\u1ec7 n\u00e0y tr\u1edf n\u00ean kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 khai th\u00e1c vi\u1ec5n th\u00f4ng:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\u0110\u1eb7c t\u00ednh<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>M\u00f4 t\u1ea3<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>N\u00e2ng cao b\u0103ng th\u00f4ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cho ph\u00e9p c\u00e1c nh\u00e0 khai th\u00e1c tri\u1ec3n khai t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n l\u00ean t\u1edbi 400G m\u1ed7i s\u00f3ng mang tr\u00ean kho\u1ea3ng c\u00e1ch xa h\u01a1n.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>C\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t ph\u1ed5<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>H\u1ed7 tr\u1ee3 truy\u1ec1n d\u1eabn quang 100G t\u1ed1c \u0111\u1ed9 cao, kho\u1ea3ng c\u00e1ch xa v\u1edbi hi\u1ec7u su\u1ea5t ph\u1ed5 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>T\u00ednh t\u01b0\u01a1ng th\u00edch v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>H\u1ed7 tr\u1ee3 n\u00e2ng c\u1ea5p li\u1ec1n m\u1ea1ch t\u1eeb m\u1ea1ng 10G\/40G l\u00ean m\u1ea1ng 100G m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng quy m\u00f4 l\u1edbn.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0110a d\u1ea1ng \u1ee9ng d\u1ee5ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f4 th\u1ecb, v\u00f9ng mi\u1ec1n v\u00e0 \u0111\u01b0\u1eddng d\u00e0i, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y \u0111\u00f2i h\u1ecfi b\u0103ng th\u00f4ng cao.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng l\u1ee3i \u00edch n\u00e0y gi\u00fap c\u00e1c nh\u00e0 cung c\u1ea5p vi\u1ec5n th\u00f4ng \u0111\u00e1p \u1ee9ng nhu c\u1ea7u d\u1eef li\u1ec7u ng\u00e0y c\u00e0ng t\u0103ng trong khi t\u1ed1i thi\u1ec3u h\u00f3a chi ph\u00ed v\u1eadn h\u00e0nh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Trung t\u00e2m d\u1eef li\u1ec7u<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" >H\u1ed7 tr\u1ee3 c\u00e1c k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c trung t\u00e2m d\u1eef li\u1ec7u d\u1ef1a v\u00e0o c\u00f4ng ngh\u1ec7 DWDM \u0111\u1ed3ng pha 100G \u0111\u1ec3 thi\u1ebft l\u1eadp <a target=\"_blank\" href=\"http:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/basic-knowledge-lan-wdm-2025\/\">c\u00e1c k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao<\/a> gi\u1eefa c\u00e1c c\u01a1 s\u1edf. C\u00f4ng ngh\u1ec7 n\u00e0y h\u1ed7 tr\u1ee3 vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u nhanh ch\u00f3ng, \u0111\u1ea3m b\u1ea3o giao ti\u1ebfp li\u1ec1n m\u1ea1ch gi\u1eefa c\u00e1c m\u00e1y ch\u1ee7. Kh\u1ea3 n\u0103ng x\u1eed l\u00fd kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn khi\u1ebfn n\u00f3 tr\u1edf n\u00ean thi\u1ebft y\u1ebfu nh\u1eb1m duy tr\u00ec hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u hi\u1ec7n \u0111\u1ea1i. B\u1eb1ng c\u00e1ch gi\u1ea3m \u0111\u1ed9 tr\u1ec5 v\u00e0 t\u0103ng th\u00f4ng l\u01b0\u1ee3ng, n\u00f3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 trong c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >H\u1ed7 tr\u1ee3 nhu c\u1ea7u \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y v\u00e0 l\u01b0u tr\u1eef<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c d\u1ecbch v\u1ee5 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y v\u00e0 l\u01b0u tr\u1eef y\u00eau c\u1ea7u m\u1ea1ng m\u1ea1nh m\u1ebd v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng. C\u00e1c h\u1ec7 th\u1ed1ng DWDM \u0111\u1ed3ng pha 100G \u0111\u00e1p \u1ee9ng nh\u1eefng nhu c\u1ea7u n\u00e0y b\u1eb1ng c\u00e1ch cung c\u1ea5p c\u00e1c li\u00ean k\u1ebft dung l\u01b0\u1ee3ng cao c\u00f3 th\u1ec3 x\u1eed l\u00fd lu\u1ed3ng d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3. T\u00ednh linh ho\u1ea1t c\u1ee7a ch\u00fang cho ph\u00e9p c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u m\u1edf r\u1ed9ng quy m\u00f4 ho\u1ea1t \u0111\u1ed9ng m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00e1ng k\u1ec3. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a doanh nghi\u1ec7p c\u0169ng nh\u01b0 ng\u01b0\u1eddi ti\u00eau d\u00f9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >M\u1ea1ng doanh nghi\u1ec7p<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" >\u1ee8ng d\u1ee5ng trong c\u00e1c m\u1ea1ng doanh nghi\u1ec7p quy m\u00f4 l\u1edbn<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c t\u1eadp \u0111o\u00e0n l\u1edbn s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 DWDM \u0111\u1ed3ng pha 100G \u0111\u1ec3 k\u1ebft n\u1ed1i hi\u1ec7u qu\u1ea3 nhi\u1ec1u \u0111\u1ecba \u0111i\u1ec3m. C\u00f4ng ngh\u1ec7 n\u00e0y h\u1ed7 tr\u1ee3 giao ti\u1ebfp t\u1ed1c \u0111\u1ed9 cao gi\u1eefa c\u00e1c khu\u00f4n vi\u00ean doanh nghi\u1ec7p v\u00e0 v\u0103n ph\u00f2ng khu v\u1ef1c. C\u00e1c t\u00ednh n\u0103ng ti\u00ean ti\u1ebfn c\u1ee7a n\u00f3 \u0111\u1ea3m b\u1ea3o vi\u1ec7c truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady \u2014 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ed1i v\u1edbi ho\u1ea1t \u0111\u1ed9ng kinh doanh.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >N\u00e2ng cao kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i v\u00e0 hi\u1ec7u su\u1ea5t<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f4ng ngh\u1ec7 n\u00e0y n\u00e2ng cao kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i b\u1eb1ng c\u00e1ch cho ph\u00e9p c\u00e1c doanh nghi\u1ec7p t\u00edch h\u1ee3p nhi\u1ec1u \u1ee9ng d\u1ee5ng m\u1ed9t c\u00e1ch li\u1ec1n m\u1ea1ch. N\u00f3 h\u1ed7 tr\u1ee3 c\u00e1c t\u00e1c v\u1ee5 \u0111\u00f2i h\u1ecfi b\u0103ng th\u00f4ng l\u1edbn nh\u01b0 h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh, ph\u00e2n t\u00edch d\u1eef li\u1ec7u v\u00e0 c\u1ed9ng t\u00e1c th\u1eddi gian th\u1ef1c. B\u1eb1ng c\u00e1ch c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t m\u1ea1ng, c\u00f4ng ngh\u1ec7 n\u00e0y gi\u00fap doanh nghi\u1ec7p \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng v\u00e0 duy tr\u00ec l\u1ee3i th\u1ebf c\u1ea1nh tranh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >Ti\u1ec1m n\u0103ng v\u00e0 ti\u1ebfn b\u1ed9 trong t\u01b0\u01a1ng lai<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" >T\u00edch h\u1ee3p v\u1edbi tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI) v\u00e0 h\u1ecdc m\u00e1y (ML) nh\u1eb1m t\u1ed1i \u01b0u h\u00f3a m\u1ea1ng<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI) v\u00e0 h\u1ecdc m\u00e1y (ML) \u0111ang l\u00e0m thay \u0111\u1ed5i c\u00e1ch t\u1ed1i \u01b0u h\u00f3a m\u1ea1ng trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed3ng pha. Nh\u1eefng c\u00f4ng ngh\u1ec7 n\u00e0y ph\u00e2n t\u00edch l\u01b0\u1ee3ng d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3 \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n xu h\u01b0\u1edbng l\u01b0u l\u01b0\u1ee3ng v\u00e0 \u0111i\u1ec1u ch\u1ec9nh c\u1ea5u h\u00ecnh m\u1ea1ng theo th\u1eddi gian th\u1ef1c. Nh\u1edd \u0111\u00f3, ch\u00fang n\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u00e0 gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh. V\u00ed d\u1ee5, c\u00e1c thu\u1eadt to\u00e1n AI c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c b\u01b0\u1edbc s\u00f3ng ch\u01b0a \u0111\u01b0\u1ee3c khai th\u00e1c h\u1ebft v\u00e0 t\u00e1i ph\u00e2n b\u1ed5 ch\u00fang sang c\u00e1c khu v\u1ef1c c\u00f3 nhu c\u1ea7u cao, \u0111\u1ea3m b\u1ea3o vi\u1ec7c s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean m\u1ed9t c\u00e1ch t\u1ed1i \u01b0u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y nh\u1ea5n m\u1ea1nh l\u1ee3i \u00edch c\u1ee7a vi\u1ec7c t\u00edch h\u1ee3p AI v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 quang h\u1ecdc \u0111\u1ed3ng pha. C\u00e1c m\u1ea1ng \u00e1p d\u1ee5ng nh\u1eefng ti\u1ebfn b\u1ed9 n\u00e0y \u0111\u1ea1t m\u1ee9c t\u0103ng 50% v\u1ec1 dung l\u01b0\u1ee3ng v\u00e0 gi\u1ea3m 25% v\u1ec1 \u0111\u1ed9 tr\u1ec5. Nh\u1eefng c\u1ea3i ti\u1ebfn n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7n \u0111\u1ea1i nh\u01b0 ph\u00e1t tr\u1ef1c tuy\u1ebfn video v\u00e0 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y. AI v\u00e0 ML c\u00f2n cho ph\u00e9p x\u00e2y d\u1ef1ng c\u00e1c m\u1ea1ng t\u1ef1 ph\u1ee5c h\u1ed3i, c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 m\u00e0 kh\u00f4ng c\u1ea7n can thi\u1ec7p th\u1ee7 c\u00f4ng. Kh\u1ea3 n\u0103ng n\u00e0y \u0111\u1ea3m b\u1ea3o d\u1ecbch v\u1ee5 li\u00ean t\u1ee5c v\u00e0 n\u00e2ng cao \u0111\u1ed9 tin c\u1eady.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >Ph\u00e1t tri\u1ec3n c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed3ng pha t\u1ed1c \u0111\u1ed9 cao h\u01a1n (v\u00ed d\u1ee5: 400G, 800G)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed3ng pha t\u1ed1c \u0111\u1ed9 cao h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 400G v\u00e0 800G, \u0111\u00e1nh d\u1ea5u b\u01b0\u1edbc ti\u1ebfn ti\u1ebfp theo trong vi\u1ec5n th\u00f4ng quang h\u1ecdc. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u0111i\u1ec1u ch\u1ebf ti\u00ean ti\u1ebfn v\u00e0 x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u ch\u01b0a t\u1eebng c\u00f3. Ch\u00fang c\u0169ng h\u1ed7 tr\u1ee3 c\u00f4ng ngh\u1ec7 l\u01b0\u1edbi linh ho\u1ea1t, nh\u1eb1m t\u1ed1i \u0111a h\u00f3a hi\u1ec7u su\u1ea5t ph\u1ed5.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c h\u1ec7 th\u1ed1ng t\u1ed1c \u0111\u1ed9 cao h\u01a1n gi\u1ea3i quy\u1ebft nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng v\u1ec1 b\u0103ng th\u00f4ng trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 5G, IoT v\u00e0 ph\u00e2n t\u00edch d\u1ef1a tr\u00ean AI. Ch\u1eb3ng h\u1ea1n, c\u00e1c h\u1ec7 th\u1ed1ng 400G c\u00f3 th\u1ec3 truy\u1ec1n t\u1ea3i l\u01b0\u1ee3ng d\u1eef li\u1ec7u g\u1ea5p b\u1ed1n l\u1ea7n so v\u1edbi h\u1ec7 th\u1ed1ng 100G tr\u00ean c\u00f9ng m\u1ed9t s\u1ee3i quang, do \u0111\u00f3 r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c m\u1ea1ng c\u00f3 dung l\u01b0\u1ee3ng cao. Khi nghi\u00ean c\u1ee9u ti\u1ebfp t\u1ee5c ti\u1ebfn tri\u1ec3n, c\u00e1c h\u1ec7 th\u1ed1ng 800G d\u1ef1 ki\u1ebfn s\u1ebd tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n cho m\u1ea1ng \u0111\u01b0\u1eddng d\u00e0i v\u00e0 m\u1ea1ng \u0111\u00f4 th\u1ecb. Nh\u1eefng ti\u1ebfn b\u1ed9 n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c m\u1ea1ng quang h\u1ecdc lu\u00f4n c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1c nghi\u00ean c\u1ee9u th\u1ecb tr\u01b0\u1eddng cho th\u1ea5y v\u00ec sao vi\u1ec7c c\u00e2n b\u1eb1ng gi\u1eefa chi ph\u00ed v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng l\u00e0 then ch\u1ed1t:<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" >Nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng \u0111\u1ed1i v\u1edbi c\u00e1c m\u1ea1ng c\u00f3 dung l\u01b0\u1ee3ng cao<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Nhu c\u1ea7u v\u1ec1 c\u00e1c m\u1ea1ng c\u00f3 dung l\u01b0\u1ee3ng cao ti\u1ebfp t\u1ee5c gia t\u0103ng do s\u1ef1 b\u00f9ng n\u1ed5 c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi nhi\u1ec1u d\u1eef li\u1ec7u. Ph\u00e1t tr\u1ef1c tuy\u1ebfn video, tr\u00f2 ch\u01a1i tr\u1ef1c tuy\u1ebfn v\u00e0 l\u00e0m vi\u1ec7c t\u1eeb xa \u0111\u1ec1u y\u00eau c\u1ea7u k\u1ebft n\u1ed1i nhanh h\u01a1n v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n. C\u00f4ng ngh\u1ec7 DWDM \u0111\u1ed3ng pha \u0111\u00e1p \u1ee9ng nh\u1eefng nhu c\u1ea7u n\u00e0y b\u1eb1ng c\u00e1ch cung c\u1ea5p t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u cao v\u00e0 kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn m\u1edf r\u1ed9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c nh\u00e0 cung c\u1ea5p vi\u1ec5n th\u00f4ng \u0111ang n\u00e2ng c\u1ea5p c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ee7a h\u1ecd \u0111\u1ec3 h\u1ed7 tr\u1ee3 100G v\u00e0 cao h\u01a1n n\u1eefa. Xu h\u01b0\u1edbng n\u00e0y ph\u1ea3n \u00e1nh m\u1ee9c \u0111\u1ed9 ph\u1ee5 thu\u1ed9c ng\u00e0y c\u00e0ng t\u0103ng v\u00e0o c\u00e1c d\u1ecbch v\u1ee5 k\u1ef9 thu\u1eadt s\u1ed1 trong \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y. C\u1ea3 doanh nghi\u1ec7p l\u1eabn ng\u01b0\u1eddi ti\u00eau d\u00f9ng \u0111\u1ec1u \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb hi\u1ec7u su\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng \u0111\u01b0\u1ee3c n\u00e2ng cao c\u1ee7a c\u00e1c m\u1ea1ng n\u00e0y.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >T\u00e1c \u0111\u1ed9ng c\u1ee7a 5G v\u00e0 IoT \u0111\u1ed1i v\u1edbi vi\u1ec5n th\u00f4ng quang h\u1ecdc<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c tri\u1ec3n khai 5G v\u00e0 s\u1ef1 m\u1edf r\u1ed9ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb IoT \u0111ang th\u00fac \u0111\u1ea9y c\u00e1c ti\u1ebfn b\u1ed9 trong vi\u1ec5n th\u00f4ng quang h\u1ecdc. Nh\u1eefng c\u00f4ng ngh\u1ec7 n\u00e0y t\u1ea1o ra l\u01b0\u1ee3ng d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3, \u0111\u00f2i h\u1ecfi c\u00e1c gi\u1ea3i ph\u00e1p truy\u1ec1n d\u1eabn hi\u1ec7u qu\u1ea3. C\u00e1c h\u1ec7 th\u1ed1ng DWDM \u0111\u1ed3ng pha cung c\u1ea5p dung l\u01b0\u1ee3ng v\u00e0 t\u00ednh linh ho\u1ea1t c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u1eed l\u00fd l\u00e0n s\u00f3ng l\u01b0u l\u01b0\u1ee3ng t\u0103ng \u0111\u1ed9t bi\u1ebfn n\u00e0y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u1ea1ng 5G ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c k\u1ebft n\u1ed1i \u0111\u1ed9 tr\u1ec5 th\u1ea5p \u0111\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 xe t\u1ef1 l\u00e1i v\u00e0 th\u00e0nh ph\u1ed1 th\u00f4ng minh. T\u01b0\u01a1ng t\u1ef1, c\u00e1c thi\u1ebft b\u1ecb IoT c\u1ea7n giao ti\u1ebfp li\u1ec1n m\u1ea1ch \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3. C\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed3ng pha \u0111\u1ea3m b\u1ea3o r\u1eb1ng nh\u1eefng c\u00f4ng ngh\u1ec7 n\u00e0y v\u1eadn h\u00e0nh tr\u01a1n tru, m\u1edf \u0111\u01b0\u1eddng cho m\u1ed9t t\u01b0\u01a1ng lai k\u1ebft n\u1ed1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f4ng ngh\u1ec7 DWDM \u0111\u1ed3ng pha 100G c\u00e1ch m\u1ea1ng h\u00f3a vi\u1ec5n th\u00f4ng quang h\u1ecdc nh\u1edd t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u cao, hi\u1ec7u su\u1ea5t ph\u1ed5 xu\u1ea5t s\u1eafc v\u00e0 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng. N\u00f3 v\u01b0\u1ee3t tr\u1ed9i h\u01a1n c\u00e1c h\u1ec7 th\u1ed1ng kh\u00f4ng \u0111\u1ed3ng pha b\u1eb1ng c\u00e1ch duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i v\u00e0 s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u0111i\u1ec1u ch\u1ebf ti\u00ean ti\u1ebfn nh\u1eb1m s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Kh\u00e1c v\u1edbi DWDM truy\u1ec1n th\u1ed1ng, c\u00f4ng ngh\u1ec7 n\u00e0y mang l\u1ea1i kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 t\u00ednh linh ho\u1ea1t cho c\u00e1c m\u1ea1ng hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c b\u1ed9 thu ph\u00e1t quang \u0111\u1ed3ng pha n\u00e2ng cao t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng d\u00e0i.<\/p><\/li><li><p>X\u1eed l\u00fd ti\u00ean ti\u1ebfn l\u00e0m gi\u1ea3m \u0111\u1ed9 t\u00e1n s\u1eafc do chromatic v\u00e0 \u0111\u1ed9 t\u00e1n s\u1eafc do ch\u1ebf \u0111\u1ed9 ph\u00e2n c\u1ef1c.<\/p><\/li><li><p>Th\u00f4ng l\u01b0\u1ee3ng d\u1eef li\u1ec7u t\u1ed1i \u0111a h\u00f3a \u0111\u1ea3m b\u1ea3o vi\u1ec7c s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng hi\u1ec7u qu\u1ea3.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f4ng ngh\u1ec7 chuy\u1ec3n \u0111\u1ed5i n\u00e0y h\u1ed7 tr\u1ee3 nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng trong vi\u1ec5n th\u00f4ng, trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 m\u1ea1ng doanh nghi\u1ec7p, m\u1edf \u0111\u01b0\u1eddng cho c\u00e1c ti\u1ebfn b\u1ed9 trong t\u01b0\u01a1ng lai nh\u01b0 c\u00e1c h\u1ec7 th\u1ed1ng 400G v\u00e0 800G.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >FAQ<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >L\u1ee3i th\u1ebf ch\u00ednh c\u1ee7a c\u00f4ng ngh\u1ec7 DWDM \u0111\u1ed3ng pha 100G so v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u1ed1ng l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f4ng ngh\u1ec7 DWDM \u0111\u1ed3ng pha 100G mang l\u1ea1i t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u cao h\u01a1n v\u00e0 hi\u1ec7u su\u1ea5t ph\u1ed5 t\u1ed1t h\u01a1n. N\u00f3 s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u0111i\u1ec1u ch\u1ebf ti\u00ean ti\u1ebfn v\u00e0 x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 \u0111\u1ec3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i. \u0110i\u1ec1u n\u00e0y khi\u1ebfn n\u00f3 tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u00e1c m\u1ea1ng hi\u1ec7n \u0111\u1ea1i c\u00f3 dung l\u01b0\u1ee3ng cao.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Ph\u00e1t hi\u1ec7n \u0111\u1ed3ng pha c\u1ea3i thi\u1ec7n vi\u1ec5n th\u00f4ng quang h\u1ecdc nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e1t hi\u1ec7n \u0111\u1ed3ng pha x\u1eed l\u00fd c\u1ea3 pha v\u00e0 bi\u00ean \u0111\u1ed9 c\u1ee7a t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p khai th\u00e1c nhi\u1ec1u d\u1eef li\u1ec7u h\u01a1n v\u00e0 x\u1eed l\u00fd c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u0111i\u1ec1u ch\u1ebf ph\u1ee9c t\u1ea1p. \u0110\u1ed3ng th\u1eddi, n\u00f3 c\u0169ng c\u1ea3i thi\u1ec7n \u0111\u1ed9 r\u00f5 n\u00e9t c\u1ee7a t\u00edn hi\u1ec7u v\u00e0 k\u00e9o d\u00e0i kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn, do \u0111\u00f3 v\u01b0\u1ee3t tr\u1ed9i h\u01a1n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n d\u1ef1a tr\u00ean c\u01b0\u1eddng \u0111\u1ed9 truy\u1ec1n th\u1ed1ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >H\u1ec7 th\u1ed1ng DWDM \u0111\u1ed3ng b\u1ed9 100G c\u00f3 th\u1ec3 t\u00edch h\u1ee3p v\u1edbi c\u00e1c m\u1ea1ng hi\u1ec7n c\u00f3 kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3, c\u00e1c h\u1ec7 th\u1ed1ng DWDM \u0111\u1ed3ng b\u1ed9 100G <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/understanding-50g-pon-in-2025\/\">t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch<\/a> v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng hi\u1ec7n c\u00f3. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y h\u1ed7 tr\u1ee3 n\u00e2ng c\u1ea5p t\u1eeb c\u00e1c h\u1ec7 th\u1ed1ng 10G ho\u1eb7c 40G m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i l\u1edbn. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u1ec1 chi ph\u00ed hi\u1ec7u qu\u1ea3 v\u00e0 t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 hi\u1ec7n t\u1ea1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >T\u1ea1i sao hi\u1ec7u su\u1ea5t ph\u1ed5 l\u1ea1i quan tr\u1ecdng trong c\u00e1c m\u1ea1ng quang?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-xpon-wdm-optical-networks\/\">Hi\u1ec7u su\u1ea5t ph\u1ed5<\/a> t\u1ed1i \u0111a h\u00f3a vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u trong b\u0103ng th\u00f4ng s\u1eb5n c\u00f3. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m nhu c\u1ea7u v\u1ec1 s\u1ee3i quang b\u1ed5 sung v\u00e0 t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean. Ngo\u00e0i ra, n\u00f3 c\u00f2n h\u1ed7 tr\u1ee3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng m\u1ea1ng, gi\u00fap c\u00e1c nh\u00e0 khai th\u00e1c \u0111\u00e1p \u1ee9ng hi\u1ec7u qu\u1ea3 nhu c\u1ea7u d\u1eef li\u1ec7u ng\u00e0y c\u00e0ng t\u0103ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Nh\u1eefng ng\u00e0nh n\u00e0o \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i nhi\u1ec1u nh\u1ea5t t\u1eeb c\u00f4ng ngh\u1ec7 DWDM \u0111\u1ed3ng b\u1ed9 100G?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec5n th\u00f4ng, trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 c\u00e1c doanh nghi\u1ec7p quy m\u00f4 l\u1edbn h\u01b0\u1edfng l\u1ee3i \u0111\u00e1ng k\u1ec3. C\u00e1c nh\u00e0 cung c\u1ea5p vi\u1ec5n th\u00f4ng s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 n\u00e0y cho m\u1ea1ng \u0111\u01b0\u1eddng d\u00e0i v\u00e0 m\u1ea1ng \u0111\u00f4 th\u1ecb. Trung t\u00e2m d\u1eef li\u1ec7u d\u1ef1a v\u00e0o n\u00f3 \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao, trong khi c\u00e1c doanh nghi\u1ec7p s\u1eed d\u1ee5ng n\u00f3 nh\u1eb1m n\u00e2ng cao kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i v\u00e0 hi\u1ec7u n\u0103ng tr\u00ean nhi\u1ec1u \u0111\u1ecba \u0111i\u1ec3m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >Xem Th\u00eam<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/filter-fwdm-optical-networks-applications\/\">Kh\u00e1m ph\u00e1 b\u1ed9 l\u1ecdc FWDM v\u00e0 vai tr\u00f2 c\u1ee7a n\u00f3 trong c\u00e1c m\u1ea1ng quang<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/basic-knowledge-lan-wdm-2025\/\">T\u1ed5ng quan v\u1ec1 c\u00e1c nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a LAN WDM cho n\u0103m 2025<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/xpon-wdm-ftth-fttb-comparison\/\">So s\u00e1nh c\u00e1c gi\u1ea3i ph\u00e1p xPON WDM cho FTTH v\u00e0 FTTB<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-xpon-wdm-optical-networks\/\">Kh\u00e1m ph\u00e1 xPON WDM v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a n\u00f3 \u0111\u1ed1i v\u1edbi c\u00e1c m\u1ea1ng<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/understanding-50g-pon-in-2025\/\">L\u00e0m r\u00f5 kh\u00e1i ni\u1ec7m 50G PON cho n\u0103m 2025<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Gi\u1edbi thi\u1ec7u gi\u1ea3i ph\u00e1p c\u00f4ng ngh\u1ec7 DWDM 100G coherent: T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u cao, hi\u1ec7u su\u1ea5t t\u1ea7n s\u1ed1 cao v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cho c\u00e1c m\u1ea1ng vi\u1ec5n th\u00f4ng, trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 m\u1ea1ng doanh nghi\u1ec7p.<\/p>","protected":false},"author":1,"featured_media":5604,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5607","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5607","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/comments?post=5607"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5607\/revisions"}],"predecessor-version":[{"id":11541,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5607\/revisions\/11541"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/5604"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=5607"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=5607"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=5607"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}