{"id":32623,"date":"2019-10-31T21:48:03","date_gmt":"2019-10-31T18:48:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/kogerentnye-cfp-wdm-100g-200g-i-ih-primenenie-v-sistemah-dwdm\/"},"modified":"2019-10-31T21:48:03","modified_gmt":"2019-10-31T18:48:03","slug":"kogerentnye-cfp-wdm-100g-200g-i-ih-primenenie-v-sistemah-dwdm","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/administrirovanie\/kogerentnye-cfp-wdm-100g-200g-i-ih-primenenie-v-sistemah-dwdm","title":{"rendered":"koherentn\u00e9 CFP WDM (100G\/200G) a ich aplik\u00e1cie v DWDM syst\u00e9moch","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"koherentn\u00e9 CFP WDM (100G\/200G) a ich aplik\u00e1cie v DWDM syst\u00e9moch\" src=\"\/wp-content\/uploads\/2019\/04\/c2a86267246957bb5122480bd810e45a.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPrv\u00e9 tla\u010dov\u00e9 spr\u00e1vy o vzniku koherentn\u00fdch CFP modulov (coherent CFP optical pluggable modules) sa za\u010dali objavova\u0165 pribli\u017ene pred 5-6 rokmi. Vtedy bolo ich pou\u017eitie v syst\u00e9moch optick\u00e9ho zhu\u0161\u0165ovania novinkou a predstavovalo v podstate v\u00fdklenkov\u00e9 rie\u0161enie. Teraz, po uplynut\u00ed \u0161iestich rokov, sa tieto moduly pevne usadili vo svete telekomunik\u00e1ci\u00ed a na\u010falej z\u00edskavaj\u00fa popularitu. Ak\u00e9 s\u00fa, \u010d\u00edm sa l\u00ed\u0161ia a ak\u00e9 rie\u0161enia na ich z\u00e1klade pon\u00fakaj\u00fa (a samozrejme obr\u00e1zky pod spoilerom) \u2013 to v\u0161etko n\u00e1jdete ni\u017e\u0161ie. Na \u010d\u00edtanie \u010dl\u00e1nku budete potrebova\u0165 porozumie\u0165 z\u00e1kladn\u00fdm princ\u00edpom DWDM syst\u00e9mov.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h3>Kr\u00e1tky exkurz do minulosti. <\/h3>\n<p>\nHistoricky pre optick\u00e9 pluggable moduly s prenosovou r\u00fdchlos\u0165ou 100G bol prv\u00fdm form faktorom CFP, ktor\u00fd sa stal aj prv\u00fdm form faktorom pre CFP-WDM rie\u0161enia. V tom \u010dase boli na trhu dve rie\u0161enia:<\/p>\n<p>1. CFP od <noindex><a rel=\"nofollow\" href=\"http:\/\/menaranet.com\/index.php?route=information\/information&amp;information_id=23\">Menara <\/a><\/noindex> (v s\u00fa\u010dasnosti s\u00fa\u010das\u0165 IPG photonics) umo\u017e\u0148uj\u00faci pren\u00e1\u0161a\u0165 v linke jednotliv\u00e9 4 kan\u00e1ly 28Gbps v \u0161tandardnej frekven\u010dnej mrie\u017eke DWDM 50GHz s pou\u017eit\u00edm impulznej modul\u00e1cie. Siln\u00e9ho roz\u0161\u00edrenia sa nedo\u010dkal, hoci v z\u00e1sade mal zauj\u00edmav\u00fd potenci\u00e1l pre budovanie metro siet\u00ed. \u010ealej v \u010dl\u00e1nku sa tak\u00fdmto modulom nevenujeme.<br \/>\n<img decoding=\"async\" alt=\"koherentn\u00e9 CFP WDM (100G\/200G) a ich aplik\u00e1cie v DWDM syst\u00e9moch\" src=\"\/wp-content\/uploads\/2019\/04\/2124760c2bc122e068a8e30fe554d7ef.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n2. CFP od priekopn\u00edkov \u2013 Acacia <noindex><a rel=\"nofollow\" href=\"http:\/\/ir.acacia-inc.com\/news-releases\/news-release-details\/acacia-communications-announces-industrys-first-coherent-100g\">tla\u010dov\u00e1 spr\u00e1va<\/a><\/noindex>, postaven\u00fd na najmodernej\u0161ej technol\u00f3gii koherentn\u00e9ho detekovania s vyu\u017eit\u00edm modul\u00e1cie DP-QPSK.<br \/>\n<img decoding=\"async\" alt=\"koherentn\u00e9 CFP WDM (100G\/200G) a ich aplik\u00e1cie v DWDM syst\u00e9moch\" src=\"\/wp-content\/uploads\/2019\/04\/ee7613923b7d92472cbaf8e1aaf88668.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b class=\"spoiler_title\">V \u010dom bol prelom modulov od Acacia:<\/b> \u2014 bol to prv\u00fd modul v priemysle, ktor\u00fd pon\u00fakal oddelen\u00fd koherentn\u00fd kan\u00e1l 50GHz 100Gbit DP-QPSK<br \/>\n \u2014 plne prisp\u00f4sobite\u013en\u00fd (tunable) v C-p\u00e1sme<\/p>\n<p>Predt\u00fdm podobn\u00e9 rie\u0161enia v\u017edy vyzerali asi takto: line\u00e1rny laser bol neodn\u00edmate\u013en\u00fdm prvkom dosky, na ktorej bol len jeden konektor pod klientsk\u00fd optick\u00fd modul. Vyzeralo to asi takto: <br \/>\n<img decoding=\"async\" alt=\"koherentn\u00e9 CFP WDM (100G\/200G) a ich aplik\u00e1cie v DWDM syst\u00e9moch\" src=\"\/wp-content\/uploads\/2019\/04\/024b329e49d00f8b593d2f09a4313031.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nPripom\u00ednam, \u017ee v tom \u010dase to bol rok 2013.<\/p>\n<p>\nTak\u00fdto modul nahr\u00e1dzal klasick\u00fd line\u00e1rny DWDM interface na klasickom transponderi pracuj\u00facom v C-p\u00e1sme, ktor\u00fd sa dal zosilni\u0165, multiplexova\u0165 at\u010f.<br \/>\nTeraz sa princ\u00edpy budovania koherentn\u00fdch siet\u00ed stali de facto \u0161tandardom v odvetv\u00ed a t\u00fdm nikto nie je prekvapen\u00fd, a hustota a vzdialenos\u0165 syst\u00e9mov optick\u00e9ho zhu\u0161\u0165ovania vzr\u00e1stli mnohon\u00e1sobne. <\/p>\n<h3>Komponenty modulu<\/h3>\n<p>\nPrv\u00fd modul (Acacia) predstavoval typ CFP-ACO. Ni\u017e\u0161ie je stru\u010dn\u00fd preh\u013ead toho, \u010d\u00edm sa vlastne l\u00ed\u0161ia koherentn\u00e9 CFP moduly. Ale na to, aby sme sa k tomu dostali, je potrebn\u00e9 najprv urobi\u0165 mal\u00fa odbo\u010dku a poveda\u0165 nie\u010do o DSP, ktor\u00fd je do ve\u013ekej miery srdcom tejto technol\u00f3gie.<\/p>\n<p><b class=\"spoiler_title\">trochu o module a DSP<\/b>Modul sa vo v\u0161eobecnosti sklad\u00e1 z nieko\u013ek\u00fdch komponentov<br \/>\n<img decoding=\"async\" alt=\"koherentn\u00e9 CFP WDM (100G\/200G) a ich aplik\u00e1cie v DWDM syst\u00e9moch\" src=\"\/wp-content\/uploads\/2019\/04\/d7815306c8652d263d0432768859b280.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<ol>\n<li>\u00dazkop\u00e1smov\u00fd prestavite\u013en\u00fd laser<\/li>\n<li>Koherentn\u00fd modul\u00e1tor s dvojitou polariz\u00e1ciou<\/li>\n<li>Digital to analog converter (DAC\/ADC) \u2013 DAC, ktor\u00fd premie\u0148a digit\u00e1lny sign\u00e1l na optick\u00fd a naopak.<\/li>\n<li>Digital signal processor (DSP) \u2013 obnovuje u\u017eito\u010dn\u00e9 inform\u00e1cie zo sign\u00e1lu, odstra\u0148uj\u00fac vplyvy, ktor\u00e9 sa uplatnili na u\u017eito\u010dn\u00fd sign\u00e1l po\u010das prenosu. Konkr\u00e9tne:<\/li>\n<\/ol>\n<ul>\n<li>Kompenz\u00e1cia chromatickej disperzie (CMD). Jeho matematick\u00e1 kompenz\u00e1cia je prakticky neobmedzen\u00e1. A to je skvel\u00e9, preto\u017ee fyzick\u00e1 kompenz\u00e1cia CMD v\u017edy sp\u00f4sobovala ve\u013ea probl\u00e9mov, preto\u017ee to viedlo k zosilneniu neline\u00e1rnych efektov vo vl\u00e1kne. O neline\u00e1rnych efektoch sa m\u00f4\u017eete do\u010d\u00edta\u0165 na internete alebo v <noindex><a rel=\"nofollow\" href=\"https:\/\/www.amazon.com\/Optical-Networks-Perspective-Rajiv-Ramaswami-ebook\/dp\/B003FQM3JM\">kni\u017eke<\/a><\/noindex><\/li>\n<li>Kompenz\u00e1cia polariza\u010dno-modovej disperzie (PMD). Kompenz\u00e1cia sa taktie\u017e vykon\u00e1va matematicky, ale vzh\u013eadom na zlo\u017eit\u00fa povahu PMD je to zlo\u017eitej\u0161\u00ed proces a pr\u00e1ve PMD je v s\u00fa\u010dasnosti jednou z hlavn\u00fdch pr\u00ed\u010din obmedzenia dosahu optick\u00fdch syst\u00e9mov (okrem atenu\u00e1cie a neline\u00e1rnych efektov).<\/li>\n<\/ul>\n<p>\nDSP pracuje na ve\u013emi vysok\u00fdch symbolov\u00fdch r\u00fdchlostiach, v najnov\u0161\u00edch syst\u00e9moch s\u00fa to r\u00fdchlosti okolo 69 Gbaud.<\/p>\n<p><\/p>\n<h3>V \u010dom sa teda l\u00ed\u0161ia?<\/h3>\n<p>\nKoherentn\u00e9 optick\u00e9 moduly sa od seba l\u00ed\u0161ia umiestnen\u00edm DSP:<\/p>\n<ul>\n<li>CFA-ACO \u2013 V module sa nach\u00e1dza iba optick\u00e1 \u010das\u0165. Cel\u00e1 elektronika je umiestnen\u00e1 na doske (card; board) zariadenia, do ktor\u00e9ho je tento modul vlo\u017een\u00fd. V tom \u010dase neexistovali technol\u00f3gie, ktor\u00e9 by umo\u017enili umiestni\u0165 DSP do optick\u00e9ho modulu. V podstate ide o moduly prvej gener\u00e1cie.<\/li>\n<li>CFP-DCO \u2013 v tomto pr\u00edpade je DSP umiestnen\u00e9 priamo v optickom module. Modul je hotov\u00e9 \"boxov\u00e9 rie\u0161enie\". Ide o moduly druhej gener\u00e1cie.<\/li>\n<\/ul>\n<p>Extern\u00e9 moduly maj\u00fa \u00faplne rovnak\u00fd form\u00e1t. Av\u0161ak maj\u00fa odli\u0161n\u00e9 vn\u00fatornosti, spotrebu (DCO je pribli\u017ene dvakr\u00e1t vy\u0161\u0161ia) a vy\u017earovanie tepla. Zodpovedaj\u00faco maj\u00fa v\u00fdrobcovia rie\u0161en\u00ed ur\u010dit\u00fa flexibilitu \u2014 ACO pon\u00faka hlb\u0161iu integr\u00e1ciu rie\u0161en\u00ed, DCO umo\u017e\u0148uje z\u00edska\u0165 rie\u0161enie \"z krabice\", pri\u010dom optick\u00fd modul funguje ako kocka lega na zostavenie vlastn\u00e9ho rie\u0161enia. Samostatn\u00fd aspekt \u2014 v drvivej v\u00e4\u010d\u0161ine pr\u00edpadov je fungovanie p\u00e1ru DSP mo\u017en\u00e9 v\u00fdlu\u010dne od rovnak\u00e9ho v\u00fdrobcu. To uklad\u00e1 ur\u010dit\u00e9 obmedzenia a <noindex><a rel=\"nofollow\" href=\"https:\/\/opticalconnectionsnews.com\/2019\/03\/acacia-and-lumentum-demo-200g-cfp2-dco-interoperability\/\">potenci\u00e1lne rob\u00ed DCO moduly ove\u013ea atrakt\u00edvnej\u0161\u00edmi pre \u00falohy interoperability.<\/a><\/noindex>. <\/p>\n<h3>Evol\u00facia rie\u0161en\u00ed<\/h3>\n<p>\nKe\u010f\u017ee pokrok sa nezastavuje a <noindex><a rel=\"nofollow\" href=\"http:\/\/www.cfp-msa.org\">MSA<\/a><\/noindex> neust\u00e1le vyv\u00edja nov\u00e9 \u0161tandardy, posledn\u00fd form\u00e1t, v ktorom sa podarilo umiestni\u0165 DSP, je CFP2. <b class=\"spoiler_title\">Naozaj si mysl\u00edm, \u017ee s\u00fa bl\u00edzko k \u010fal\u0161iemu kroku. Tu je CFP4-ACO.<\/b>N\u00e1hodou som natrafil na toto <noindex><a rel=\"nofollow\" href=\"https:\/\/www.finisar.com\/optical-transceivers\/ftlc3341x3nl\">z\u00e1zraku.<\/a><\/noindex>: Zatia\u013e v\u0161ak nepozn\u00e1m komer\u010dn\u00e9 produkty na tak\u00fdch moduloch.<br \/>\n<img decoding=\"async\" alt=\"koherentn\u00e9 CFP WDM (100G\/200G) a ich aplik\u00e1cie v DWDM syst\u00e9moch\" src=\"\/wp-content\/uploads\/2019\/04\/dadeec491da06e2c75ae1c92abf75721.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Form\u00e1t (CFP2) teraz prevl\u00e1da vo v\u0161etk\u00fdch hotov\u00fdch komer\u010dn\u00fdch produktoch. Tieto konektory ste pravdepodobne videli na telekomunika\u010dnom vybaven\u00ed a mnoh\u00fdch to zm\u00e4tie, preto\u017ee tieto konektory s\u00fa ove\u013ea v\u00e4\u010d\u0161ie ako v\u00e4\u010d\u0161ine zn\u00e1me QSFP28. Teraz viete, jeden z sp\u00f4sobov ich pou\u017eitia (ale je lep\u0161ie sa dodato\u010dne uisti\u0165, \u017ee zariadenie dok\u00e1\u017ee pracova\u0165 s CFP2-ACO\/DCO).<br \/>\n<b class=\"spoiler_title\">porovnanie konektorov QSFP28 a CFP2 na pr\u00edklade Juniper AXC6160.<\/b><img decoding=\"async\" alt=\"koherentn\u00e9 CFP WDM (100G\/200G) a ich aplik\u00e1cie v DWDM syst\u00e9moch\" src=\"\/wp-content\/uploads\/2019\/04\/686813b918174d97c984f169542e7550.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Okrem kompaktn\u00fdch rozmerov sa zlep\u0161uj\u00fa aj sp\u00f4soby modul\u00e1cie. Vo v\u0161etk\u00fdch zn\u00e1mych produktoch CFP2-ACO\/DCO, je podporovan\u00e1 nielen modul\u00e1cia DP-QPSK, ale aj QAM-8 \/ QAM-16. Preto sa tieto moduly naz\u00fdvaj\u00fa 100G\/200G. Z\u00e1kazn\u00edk si m\u00f4\u017ee vybra\u0165 uspokojiv\u00fa modul\u00e1ciu pod\u013ea \u00faloh. V najbli\u017e\u0161ej bud\u00facnosti by mali by\u0165 k dispoz\u00edcii moduly podporuj\u00face r\u00fdchlosti a\u017e 400G na jeden optick\u00fd kan\u00e1l.<\/p>\n<p><b class=\"spoiler_title\">Evol\u00facia rie\u0161en\u00ed Acacia.<\/b><img decoding=\"async\" alt=\"koherentn\u00e9 CFP WDM (100G\/200G) a ich aplik\u00e1cie v DWDM syst\u00e9moch\" src=\"\/wp-content\/uploads\/2019\/04\/18920bae667f645af8769e713997c3ea.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Av\u0161ak v drvivej v\u00e4\u010d\u0161ine pr\u00edpadov pre Ultra long haul (ULH) rie\u0161enia sa pou\u017e\u00edvaj\u00fa klasick\u00e9 nemodul\u00e1rne line\u00e1rne rozhrania, ktor\u00e9 umo\u017e\u0148uj\u00fa dosiahnu\u0165 v\u00e4\u010d\u0161iu vzdialenos\u0165, lep\u0161\u00ed OSNR a vy\u0161\u0161ie \u00farovne modul\u00e1cie. Preto je hlavn\u00fdm oblast\u00ed pou\u017eitia koherentn\u00fdch modulov v\u00e4\u010d\u0161inou mestsk\u00fdch \/ region\u00e1lnych siet\u00ed. Ak sa pozrieme <noindex><a rel=\"nofollow\" href=\"https:\/\/www.juniper.net\/assets\/us\/en\/local\/pdf\/industry-reports\/2000696-en.pdf\">sem<\/a><\/noindex>, vid\u00edme, \u017ee maj\u00fa pravdepodobne <b class=\"spoiler_title\">dobr\u00e9 vyhliadky:<\/b><img decoding=\"async\" alt=\"koherentn\u00e9 CFP WDM (100G\/200G) a ich aplik\u00e1cie v DWDM syst\u00e9moch\" src=\"\/wp-content\/uploads\/2019\/04\/1c4d901b84e7a42f2731d8540271f4e6.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<h3>V\u00fdrobcovia DSP.<\/h3>\n<p>\nGlob\u00e1lnymi v\u00fdrobcami koherentn\u00fdch DSP, ktor\u00ed ich pred\u00e1vaj\u00fa tret\u00edm spolo\u010dnostiam, s\u00fa: <\/p>\n<ul>\n<li> <noindex><a rel=\"nofollow\" href=\"https:\/\/acacia-inc.com\/products\/\">Acacia<\/a><\/noindex><\/li>\n<li> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.ciena.com\/wavelogic\/coherent-optics\/\">Ciena<\/a><\/noindex><\/li>\n<li> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.inphi.com\/\">INPHI<\/a><\/noindex><\/li>\n<li> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.ntt-electronics.com\/en\/\">NTT<\/a><\/noindex><\/li>\n<\/ul>\n<h3>V\u00fdrobcovia CFP2-ACO\/DCO<\/h3>\n<p>\nV\u00fdrobcovia koherentn\u00fdch modulov ACO\/DCO: <\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/acacia-inc.com\/products\/\">Acacia <\/a><\/noindex>CFP2-ACO; CFP2-DCO; CFP-DCO<\/li>\n<li>Oclaro (v \u010dase p\u00edsania \u010dl\u00e1nku z\u00edskan\u00e1 Lumentumom)<\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.lumentum.com\/en\/optical-communications\/products\/dwdm-and-coherent-optical-transceivers\/100g-200g-coherent-transceivers\">Lumentum <\/a><\/noindex>CFP2-ACO a CFP2-DCO <\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.neophotonics.com\/product-category\/pluggable-coherent-modules\/\">NeoPhotonics <\/a><\/noindex>CFP-DCO<\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.finisar.com\/optical-transceivers?f%5B0%5D=field_data_rate_general%3A100G&amp;f%5B1%5D=field_distance_general%3A%3E100km\">Finisar <\/a><\/noindex>CFP2-ACO; CFP4-ACO<\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.lightwaveonline.com\/articles\/2019-lightwave-innovation-reviews\/menara-networks-an-ipg-photonics-company-200g-cfp2-dco.html\">Menara CFP2-DCO<\/a><\/noindex><\/li>\n<\/ul>\n<p>Vzh\u013eadom na to, \u017ee niektor\u00e9 z t\u00fdchto spolo\u010dnost\u00ed s\u00fa vo f\u00e1ze <noindex><a rel=\"nofollow\" href=\"https:\/\/www.bloomberg.com\/news\/articles\/2018-11-09\/ii-vi-to-buy-finisar-in-laser-optic-deal-valued-at-3-2-billion\">ohodnocovania a predpokladan\u00fdch f\u00fazi\u00ed<\/a><\/noindex> a akviz\u00edci\u00ed, trh dod\u00e1vate\u013eov podobn\u00fdch rie\u0161en\u00ed, ako sa domnievam, bude obmedzen\u00fd. V\u00fdroba tak\u00fdch modulov je zlo\u017eit\u00fd technologick\u00fd proces, preto k\u00fapi\u0165 ich od dod\u00e1vate\u013eov z \u010c\u00edny sa zatia\u013e a mysl\u00edm si, \u017ee e\u0161te dlho nebude mo\u017en\u00e9. <\/p>\n<h3>Vplyv na priemysel<\/h3>\n<p>Objavenie sa tak\u00fdchto modulov viedlo k malej transform\u00e1cii ekosyst\u00e9mu pon\u00fakan\u00fdch na trhu rie\u0161en\u00ed. <\/p>\n<ul>\n<li>Po prv\u00e9<\/li>\n<\/ul>\n<p>V\u00fdrobcovia za\u010dali pou\u017e\u00edva\u0165 ich v klasick\u00fdch (transpondern\u00fdch) DWDM rie\u0161eniach ako be\u017en\u00e9 line\u00e1rne rozhrania. Z\u00edskali bonus v podobe modul\u00e1rnosti, flexibility a zn\u00ed\u017eenia n\u00e1kladov (mimochodom, tak\u00e9to rie\u0161enia sa dos\u0165 \u010dasto vyberaj\u00fa ako Alien Wavelength). Napr\u00edklad: <\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.juniper.net\/documentation\/en_US\/bti-series\/bti78004.2\/topics\/concept\/concept-c-7800-swicg-ufm-overview.html\">BTI UFM6<\/a><\/noindex> (Juniper)<\/li>\n<li><noindex>Packetlight PL2000xx<\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/cdn.extranet.coriant.com\/resources\/Data-Sheets\/DS_Groove_G30_NDP_Muxponder_74C0157.pdf\">Coriant Groove G30<\/a><\/noindex>(Infinera) <\/li>\n<li><noindex>Huawei TN18LSC<\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/media.ciena.com\/documents\/5430_Packet_Optical_Platform_DS.pdf\">Ciena 5430<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.fujitsu.com\/us\/products\/network\/products\/1finity-t100\/index.html\">Fujitsu 1FINITY<\/a><\/noindex><\/li>\n<\/ul>\n<ul>\n<li>Po druh\u00e9<\/li>\n<\/ul>\n<p>v\u00fdrobcovia u\u017e dod\u00e1vaj\u00faci telekomunika\u010dn\u00e9 zariadenia \u2014 switche a smerova\u010de, roz\u0161\u00edrili svoj sortiment a pridali podporu tak\u00fdchto modulov, \u010d\u00edm <noindex><a rel=\"nofollow\" href=\"https:\/\/opticalconnectionsnews.com\/2019\/04\/tencent-completes-200g-ip-over-dwdm-demo-using-acacias-cfp2-dco\/\">n\u00e1s pribl\u00ed\u017eili k takzvan\u00fdm IPoDWDM syst\u00e9mom<\/a><\/noindex>. Napr\u00edklad:<\/p>\n<ul>\n<li>Juniper (MX\/QFX\/ACX)<\/li>\n<li>Cisco (NCS\/ASR)<\/li>\n<li>Nokia (SR)<\/li>\n<li>Arista (7500R)<\/li>\n<li>Edge-Core (Cassini AS7716-24SC)<\/li>\n<\/ul>\n<p>\nV\u0161etci uveden\u00ed v\u00fdrobcovia u\u017e maj\u00fa vo svojich produktov\u00fdch l\u00edni\u00e1ch karty pre smerova\u010de alebo switche, ktor\u00e9 podporuj\u00fa koherentn\u00e9 CFP2 moduly.<\/p>\n<ul>\n<li>Samostatne<\/li>\n<\/ul>\n<p> Stoj\u00ed za zmienku aj zauj\u00edmav\u00e9 trendy vo svetovej komunite, ako napr\u00edklad projekt <noindex><a rel=\"nofollow\" href=\"https:\/\/telecominfraproject.com\/\">TIP <\/a><\/noindex>jedn\u00fdm z jeho zameran\u00ed je v\u00fdvoj <noindex><a rel=\"nofollow\" href=\"https:\/\/oopt.telecominfraproject.com\/\">otvoren\u00fdch optick\u00fdch siet\u00ed<\/a><\/noindex>. Vybudovanie tak\u00fdchto siet\u00ed umo\u017en\u00ed integrova\u0165 zariadenia do syst\u00e9mov spr\u00e1vy s otvoren\u00fdm k\u00f3dom, \u010d\u00edm sa interakcia medzi v\u00fdrobcami optick\u00fdch syst\u00e9mov stane transparentnej\u0161ou a otvorenej\u0161ou. Okrem toho sa na samotn\u00fdch zariadeniach (ako na transponderoch vyu\u017e\u00edvaj\u00facich DCO moduly, tak aj na ROADM\/EDFA) pl\u00e1nuje pou\u017e\u00edvanie softv\u00e9ru od r\u00f4znych dod\u00e1vate\u013eov (napr\u00edklad <noindex><a rel=\"nofollow\" href=\"https:\/\/www.ipinfusion.com\/\">Ipinfusion<\/a><\/noindex>). Preto zost\u00e1va trendom posledn\u00fdch rokov zjednotenie komponentnej z\u00e1kladne rie\u0161en\u00ed a jedine\u010dnos\u0165 softv\u00e9rov\u00fdch v\u00fdvojov, pri\u010dom na opensource sa vynaklad\u00e1 dos\u0165 ve\u013ea \u00fasil\u00ed.<\/p>\n<p>\u010eakujem za pozornos\u0165, d\u00fafam, \u017ee sa v\u00e1m tento \u010dl\u00e1nok uk\u00e1zal zauj\u00edmav\u00fd a u\u017eito\u010dn\u00fd. \u010eal\u0161ie ot\u00e1zky m\u00f4\u017eete polo\u017ei\u0165 v koment\u00e1roch alebo osobne. Ak m\u00e1te, \u010do prida\u0165 k tejto t\u00e9me, budem ve\u013emi r\u00e1d.<\/p>\n<p><b class=\"spoiler_title\">hlavn\u00fd obr\u00e1zok pre \u010dl\u00e1nok je prevzat\u00fd<\/b>Z webu <noindex><a rel=\"nofollow\" href=\"https:\/\/www.colt.net\">www.colt.net<\/a><\/noindex>, d\u00fafam, \u017ee im to nevad\u00ed. <\/p>\n<p class=\"for_users_only_msg\">Len registrovan\u00ed pou\u017e\u00edvatelia sa m\u00f4\u017eu z\u00fa\u010dastni\u0165 prieskumu. <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/auth\/login\/\">Prihl\u00e1ste sa<\/a><\/noindex>, pros\u00edm.<\/p>\n<h2 class=\"default-block__polling-title\">Zauj\u00edma v\u00e1s t\u00e9ma DWDM?<\/h2>\n<ul class=\"content-list content-list_polling\">\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    \u00c1no, to je moja pr\u00e1ca (alebo jej \u010das\u0165)!<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    \u00c1no, ob\u010das je zauj\u00edmav\u00e9 si pre\u010d\u00edta\u0165 o tomto va\u0161om D\u00ddV\u00ddD\u00dd\u00c9M.<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Nie, \u010do tu rob\u00edm? (Travolta.gif)<\/p>\n<\/li>\n<\/ul>\n<p>    Hlasovalo 3 pou\u017e\u00edvate\u013eov. Zdr\u017ean\u00fdch nie je.<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/449330\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0435\u0440\u0432\u044b\u0435 \u043f\u0440\u0435\u0441\u0441 \u0440\u0435\u043b\u0438\u0437\u044b \u043e \u043f\u043e\u044f\u0432\u043b\u0435\u043d\u0438\u0438 \u043a\u043e\u0433\u0435\u0440\u0435\u043d\u0442\u043d\u044b\u0445 CFP \u043c\u043e\u0434\u0443\u043b\u0435\u0439 (coherent CFP optical pluggable modules) \u0441\u0442\u0430\u043b\u0438 \u043f\u043e\u044f\u0432\u043b\u044f\u0442\u044c\u0441\u044f \u043f\u0440\u0438\u043c\u0435\u0440\u043d\u043e 5-6 \u043b\u0435\u0442 \u043d\u0430\u0437\u0430\u0434. \u0422\u043e\u0433\u0434\u0430 \u0438\u0445 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u043e\u043f\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0443\u043f\u043b\u043e\u0442\u043d\u0435\u043d\u0438\u044f \u0431\u044b\u043b\u043e \u0432 \u043d\u043e\u0432\u0438\u043d\u043a\u0443 \u0438 \u044f\u0432\u043b\u044f\u043b\u043e\u0441\u044c \u043f\u043e \u0441\u0443\u0442\u0438 \u043d\u0438\u0448\u0435\u0432\u044b\u043c \u0440\u0435\u0448\u0435\u043d\u0438\u0435\u043c. \u0421\u0435\u0439\u0447\u0430\u0441, \u043f\u043e \u043f\u0440\u043e\u0448\u0435\u0441\u0442\u0432\u0438\u0438 \u0448\u0435\u0441\u0442\u0438 \u043b\u0435\u0442, \u044d\u0442\u0438 \u043c\u043e\u0434\u0443\u043b\u0438 \u043f\u043b\u043e\u0442\u043d\u043e \u0432\u043e\u0448\u043b\u0438 \u0432 \u043c\u0438\u0440 \u0442\u0435\u043b\u0435\u043a\u043e\u043c\u0430 \u0438 \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u044e\u0442 \u043d\u0430\u0431\u0438\u0440\u0430\u0442\u044c \u043f\u043e\u043f\u0443\u043b\u044f\u0440\u043d\u043e\u0441\u0442\u044c. \u041a\u0430\u043a\u0438\u0435 \u043e\u043d\u0438 \u0431\u044b\u0432\u0430\u044e\u0442, \u0447\u0435\u043c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":24414,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-32623","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0435\u0440\u0432\u044b\u0435 \u043f\u0440\u0435\u0441\u0441 \u0440\u0435\u043b\u0438\u0437\u044b \u043e.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/sk\/blog\/administrirovanie\/kogerentnye-cfp-wdm-100g-200g-i-ih-primenenie-v-sistemah-dwdm\" 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