{"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\/cs\/blog\/administrirovanie\/kogerentnye-cfp-wdm-100g-200g-i-ih-primenenie-v-sistemah-dwdm","title":{"rendered":"koherentn\u00ed CFP WDM (100G\/200G) a jejich aplikace v syst\u00e9mech DWDM","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"koherentn\u00ed CFP WDM (100G\/200G) a jejich aplikace v syst\u00e9mech DWDM\" src=\"\/wp-content\/uploads\/2019\/04\/c2a86267246957bb5122480bd810e45a.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPrvn\u00ed tiskov\u00e9 zpr\u00e1vy o koherentn\u00edch CFP modulech (koherentn\u00ed optick\u00e9 z\u00e1suvn\u00e9 moduly) za\u010daly vznikat p\u0159ibli\u017en\u011b p\u0159ed 5-6 lety. Tehdy bylo jejich pou\u017eit\u00ed v syst\u00e9mech optick\u00e9ho zes\u00edlen\u00ed novinkou a p\u0159edstavovalo v podstat\u011b \u00fazce specializovan\u00e9 \u0159e\u0161en\u00ed. Nyn\u00ed, po \u0161esti letech, se tyto moduly pevn\u011b etablovaly ve sv\u011bt\u011b telekomunikac\u00ed a nad\u00e1le z\u00edsk\u00e1vaj\u00ed na popularit\u011b. Jak\u00e9 varianty existuj\u00ed, jak se li\u0161\u00ed a jak\u00e1 \u0159e\u0161en\u00ed na jejich z\u00e1klad\u011b se nab\u00edzej\u00ed (a samoz\u0159ejm\u011b obr\u00e1zky pod spoilerem) \u2013 to v\u0161e najdete n\u00ed\u017ee. K p\u0159e\u010dten\u00ed \u010dl\u00e1nku budete pot\u0159ebovat znalost z\u00e1kladn\u00edch princip\u016f syst\u00e9m\u016f DWDM.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h3>Kr\u00e1tk\u00fd exkurz do minulosti. <\/h3>\n<p>\nHistoricky pro optick\u00e9 z\u00e1suvn\u00e9 moduly se rychlost\u00ed p\u0159enosu 100G prvn\u00edm faktorem stal form\u00e1t CFP, kter\u00fd se stal prvn\u00edm faktorem i pro CFP-WDM \u0159e\u0161en\u00ed. V t\u00e9 dob\u011b byla na trhu dv\u011b \u0159e\u0161en\u00ed:<\/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> (nyn\u00ed \u010d\u00e1st IPG Photonics) umo\u017e\u0148uj\u00edc\u00ed p\u0159en\u00e1\u0161et v lince \u010dty\u0159i kan\u00e1ly po 28Gbps ve standardn\u00ed frekven\u010dn\u00ed s\u00edti DWDM 50GHz s pou\u017eit\u00edm impulzn\u00ed modulace. Zna\u010dn\u011b se neprosadil, i kdy\u017e v z\u00e1sad\u011b m\u011bl zaj\u00edmav\u00fd potenci\u00e1l pro budov\u00e1n\u00ed metro s\u00edt\u00ed. D\u00e1le v \u010dl\u00e1nku takov\u00e9 moduly nezmi\u0148ujeme.<br \/>\n<img decoding=\"async\" alt=\"koherentn\u00ed CFP WDM (100G\/200G) a jejich aplikace v syst\u00e9mech DWDM\" src=\"\/wp-content\/uploads\/2019\/04\/2124760c2bc122e068a8e30fe554d7ef.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n2. CFP od pion\u00fdr\u016f \u2013 Acacia <noindex><a rel=\"nofollow\" href=\"http:\/\/ir.acacia-inc.com\/news-releases\/news-release-details\/acacia-communications-announces-industrys-first-coherent-100g\">tiskov\u00e1 zpr\u00e1va<\/a><\/noindex>, postaven\u00e1 na nejpokro\u010dilej\u0161\u00ed technologii koherentn\u00edho detekov\u00e1n\u00ed v t\u00e9 dob\u011b s vyu\u017eit\u00edm modulace DP-QPSK.<br \/>\n<img decoding=\"async\" alt=\"koherentn\u00ed CFP WDM (100G\/200G) a jejich aplikace v syst\u00e9mech DWDM\" src=\"\/wp-content\/uploads\/2019\/04\/ee7613923b7d92472cbaf8e1aaf88668.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b class=\"spoiler_title\">V \u010dem byl pr\u016flom modul\u016f od Acacia:<\/b> \u2014 byl to prvn\u00ed modul v oboru, kter\u00fd nab\u00edzel samostatn\u00fd koherentn\u00ed kan\u00e1l 50GHz 100Gbit DP-QPSK<br \/>\n \u2014 pln\u011b nastaviteln\u00e9 (tunable) v C-band<\/p>\n<p>P\u0159edt\u00edm vypadala podobn\u00e1 \u0159e\u0161en\u00ed obvykle takto: line\u00e1rn\u00ed laser byl neodn\u00edmateln\u00fdm prvkem desky, na kter\u00e9 se nach\u00e1zel pouze jeden konektor pro z\u00e1kaznick\u00fd optick\u00fd modul. Vypadalo to zhruba takto: <br \/>\n<img decoding=\"async\" alt=\"koherentn\u00ed CFP WDM (100G\/200G) a jejich aplikace v syst\u00e9mech DWDM\" src=\"\/wp-content\/uploads\/2019\/04\/024b329e49d00f8b593d2f09a4313031.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nP\u0159ipom\u00edn\u00e1m, \u017ee v t\u00e9 dob\u011b byl rok 2013.<\/p>\n<p>\nTakov\u00fd modul nahradil klasick\u00fd line\u00e1rn\u00ed DWDM interface na klasick\u00e9m transponderu, kter\u00fd fungoval v C-band, kter\u00fd bylo mo\u017en\u00e9 zes\u00edlit, multiplexovat atd.<br \/>\nV sou\u010dasn\u00e9 dob\u011b se principy budov\u00e1n\u00ed koherentn\u00edch s\u00edt\u00ed staly de facto standardem v odv\u011btv\u00ed a t\u00edm ji\u017e nikoho nep\u0159ekvap\u00edte, zat\u00edmco hustota a dosah syst\u00e9m\u016f optick\u00e9ho zes\u00edlen\u00ed vzrostly mnohon\u00e1sobn\u011b. <\/p>\n<h3>Komponenty modulu<\/h3>\n<p>\nPrvn\u00ed modul (Acacia) p\u0159edstavoval typ CFP-ACO. N\u00ed\u017ee je uveden stru\u010dn\u00fd p\u0159ehled, \u010d\u00edm se vlastn\u011b li\u0161\u00ed koherentn\u00ed CFP moduly. Ale nejprve je t\u0159eba ud\u011blat malou odbo\u010dku a \u0159\u00edct n\u011bco o DSP, kter\u00fd je v mnoha ohledech srdcem t\u00e9to technologie.<\/p>\n<p><b class=\"spoiler_title\">n\u011bco o modulu a DSP<\/b>Modul se obecn\u011b skl\u00e1d\u00e1 z n\u011bkolika komponent\u016f<br \/>\n<img decoding=\"async\" alt=\"koherentn\u00ed CFP WDM (100G\/200G) a jejich aplikace v syst\u00e9mech DWDM\" src=\"\/wp-content\/uploads\/2019\/04\/d7815306c8652d263d0432768859b280.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<ol>\n<li>\u00dazkop\u00e1smov\u00fd p\u0159etv\u00e1\u0159ec\u00ed laser<\/li>\n<li>Koherentn\u00ed modul\u00e1tor s dvoj\u00ed polarizac\u00ed<\/li>\n<li>Digital to analog converter (DAC\/ADC) \u2013 D\/A p\u0159evodn\u00edk, kter\u00fd p\u0159ev\u00e1d\u00ed digit\u00e1ln\u00ed sign\u00e1l na optick\u00fd a zp\u011bt.<\/li>\n<li>Digital signal processor (DSP) \u2013 obnovuje u\u017eite\u010dn\u00e9 informace ze sign\u00e1lu, odstra\u0148uje vlivy, kter\u00e9 p\u016fsob\u00ed na u\u017eite\u010dn\u00fd sign\u00e1l b\u011bhem p\u0159enosu. Konkr\u00e9tn\u011b:<\/li>\n<\/ol>\n<ul>\n<li>Kompenzaci chromatiky (CMD). Jeho matematick\u00e1 kompenzace je prakticky neomezen\u00e1. A to je skv\u011bl\u00e9, proto\u017ee fyzick\u00e1 kompenzace CMD v\u017edy zp\u016fsobovala \u0159adu probl\u00e9m\u016f, jeliko\u017e vedla k zes\u00edlen\u00ed neline\u00e1rn\u00edch efekt\u016f ve vl\u00e1kn\u011b. V\u00edce o neline\u00e1rn\u00edch efektech si m\u016f\u017eete p\u0159e\u010d\u00edst na internetu nebo v <noindex><a rel=\"nofollow\" href=\"https:\/\/www.amazon.com\/Optical-Networks-Perspective-Rajiv-Ramaswami-ebook\/dp\/B003FQM3JM\">kniha<\/a><\/noindex><\/li>\n<li>Kompenzaci polariza\u010dn\u011b-modov\u00e9 disperze (PMD). Kompenzace tak\u00e9 prob\u00edh\u00e1 matematicky, ale vzhledem k slo\u017eitosti povahy PMD, je to slo\u017eit\u011bj\u0161\u00ed proces a pr\u00e1v\u011b PMD je nyn\u00ed jednou z hlavn\u00edch p\u0159\u00ed\u010din omezen\u00ed dosahu optick\u00fdch syst\u00e9m\u016f (krom\u011b \u00fatlumu a neline\u00e1rn\u00edch efekt\u016f).<\/li>\n<\/ul>\n<p>\nDSP pracuje na velmi vysok\u00fdch symbolov\u00fdch rychlostech, v nov\u011bj\u0161\u00edch syst\u00e9mech jsou to rychlosti kolem 69 Gbaud.<\/p>\n<p><\/p>\n<h3>V \u010dem se tedy li\u0161\u00ed?<\/h3>\n<p>\nKoherentn\u00ed optick\u00e9 moduly se od sebe li\u0161\u00ed um\u00edst\u011bn\u00edm DSP:<\/p>\n<ul>\n<li>CFP-ACO \u2013 Na modulu je um\u00edst\u011bna pouze optick\u00e1 \u010d\u00e1st. Ve\u0161ker\u00e1 elektronika je um\u00edst\u011bna na desce (card; board) za\u0159\u00edzen\u00ed, do kter\u00e9ho je tento modul vlo\u017een. V t\u00e9 dob\u011b prost\u011b neexistovaly technologie, kter\u00e9 by umo\u017enily um\u00edstit DSP uvnit\u0159 optick\u00e9ho modulu. V podstat\u011b se jedn\u00e1 o moduly prvn\u00ed generace.<\/li>\n<li>CFP-DCO \u2013 v tomto p\u0159\u00edpad\u011b je DSP um\u00edst\u011bno p\u0159\u00edmo v optick\u00e9m modulu. Modul je kompletn\u00edm \"boxov\u00fdm \u0159e\u0161en\u00edm\". Jedn\u00e1 se o moduly druh\u00e9 generace.<\/li>\n<\/ul>\n<p>Extern\u00ed moduly maj\u00ed naprosto identick\u00fd form\u00e1t. Ale maj\u00ed odli\u0161nou v\u00fdbavu, spot\u0159ebu (DCO je p\u0159ibli\u017en\u011b dvakr\u00e1t vy\u0161\u0161\u00ed) a uvol\u0148ov\u00e1n\u00ed tepla. Odpov\u00eddaj\u00edc\u00edm zp\u016fsobem maj\u00ed v\u00fdrobci \u0159e\u0161en\u00ed ur\u010ditou flexibilitu \u2014 ACO umo\u017e\u0148uje hlub\u0161\u00ed integraci \u0159e\u0161en\u00ed, DCO poskytuje \u0159e\u0161en\u00ed \"out of the box\", pou\u017e\u00edvaj\u00edc\u00ed optick\u00fd modul jako kosti\u010dku LEGO pro vytvo\u0159en\u00ed vlastn\u00edho \u0159e\u0161en\u00ed. Odd\u011blen\u00fdm bodem je, \u017ee v p\u0159ev\u00e1\u017en\u00e9 v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f m\u016f\u017ee pracovat dvojice DSP pouze od stejn\u00e9ho v\u00fdrobce. To klade ur\u010dit\u00e1 omezen\u00ed a <noindex><a rel=\"nofollow\" href=\"https:\/\/opticalconnectionsnews.com\/2019\/03\/acacia-and-lumentum-demo-200g-cfp2-dco-interoperability\/\">potenci\u00e1ln\u011b \u010din\u00ed moduly DCO mnohem atraktivn\u011bj\u0161\u00edmi pro \u00fakoly interoperability<\/a><\/noindex>. <\/p>\n<h3>Evoluce \u0159e\u0161en\u00ed<\/h3>\n<p>\nJeliko\u017e pokrok nestoj\u00ed na m\u00edst\u011b a <noindex><a rel=\"nofollow\" href=\"http:\/\/www.cfp-msa.org\">MSA<\/a><\/noindex> neust\u00e1le vyv\u00edj\u00ed nov\u00e9 standardy, posledn\u00ed form\u00e1t, v n\u011bm\u017e se poda\u0159ilo um\u00edstit DSP, je CFP2. <b class=\"spoiler_title\">Ve skute\u010dnosti jsou, domn\u00edv\u00e1m se, bl\u00edzko dal\u0161\u00edmu kroku. Tady je CFP4-ACO<\/b>n\u00e1hodou jsem narazil na toto <noindex><a rel=\"nofollow\" href=\"https:\/\/www.finisar.com\/optical-transceivers\/ftlc3341x3nl\">z\u00e1zrak<\/a><\/noindex>: Ale o komer\u010dn\u00edch produktech s takov\u00fdmi moduly zat\u00edm nev\u00edm.<br \/>\n<img decoding=\"async\" alt=\"koherentn\u00ed CFP WDM (100G\/200G) a jejich aplikace v syst\u00e9mech DWDM\" src=\"\/wp-content\/uploads\/2019\/04\/dadeec491da06e2c75ae1c92abf75721.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Form\u00e1t (CFP2) v sou\u010dasnosti p\u0159eva\u017euje ve v\u0161ech hotov\u00fdch komer\u010dn\u00edch produktech. P\u0159esn\u011b tyto konektory jste jist\u011b vid\u011bli na telekomunika\u010dn\u00edm za\u0159\u00edzen\u00ed a mnoh\u00e9 zm\u00e1tlo, \u017ee tyto konektory jsou mnohem v\u011bt\u0161\u00ed ne\u017e v\u011bt\u0161in\u011b zn\u00e1m\u00e9 QSFP28. Nyn\u00ed v\u00edte, jeden ze zp\u016fsob\u016f jejich pou\u017eit\u00ed (ale je lep\u0161\u00ed dodate\u010dn\u011b se ujistit, \u017ee za\u0159\u00edzen\u00ed um\u00ed pracovat s CFP2-ACO\/DCO).<br \/>\n<b class=\"spoiler_title\">srovn\u00e1n\u00ed konektor\u016f QSFP28 a CFP2 na p\u0159\u00edkladu Juniper AXC6160<\/b><img decoding=\"async\" alt=\"koherentn\u00ed CFP WDM (100G\/200G) a jejich aplikace v syst\u00e9mech DWDM\" src=\"\/wp-content\/uploads\/2019\/04\/686813b918174d97c984f169542e7550.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Krom\u011b kompaktn\u00edch rozm\u011br\u016f se tak\u00e9 zdokonaluj\u00ed zp\u016fsoby modulace. Ve v\u0161ech zn\u00e1m\u00fdch produktech CFP2-ACO\/DCO podporuje nejen modulaci DP-QPSK, ale i QAM-8 \/ QAM-16. Proto se tyto moduly naz\u00fdvaj\u00ed 100G\/200G. Z\u00e1kazn\u00edk si m\u016f\u017ee s\u00e1m vybrat rozumnou modulaci podle sv\u00fdch pot\u0159eb. V nejbli\u017e\u0161\u00ed budoucnosti by se m\u011bly objevit moduly podporuj\u00edc\u00ed rychlosti a\u017e 400G na jedno optick\u00e9 kan\u00e1l.<\/p>\n<p><b class=\"spoiler_title\">Evoluce \u0159e\u0161en\u00ed Acacia<\/b><img decoding=\"async\" alt=\"koherentn\u00ed CFP WDM (100G\/200G) a jejich aplikace v syst\u00e9mech DWDM\" src=\"\/wp-content\/uploads\/2019\/04\/18920bae667f645af8769e713997c3ea.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Av\u0161ak v p\u0159ev\u00e1\u017en\u00e9 v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f pro \u0159e\u0161en\u00ed Ultra long haul (ULH) se pou\u017e\u00edvaj\u00ed klasick\u00e9 nemodul\u00e1rn\u00ed line\u00e1rn\u00ed rozhran\u00ed, kter\u00e1 umo\u017e\u0148uj\u00ed zaji\u0161t\u011bn\u00ed v\u011bt\u0161\u00ed vzd\u00e1lenosti, lep\u0161\u00ed OSNR a vy\u0161\u0161\u00ed \u00farovn\u011b modulace. Proto je hlavn\u00ed oblast\u00ed pou\u017eit\u00ed koherentn\u00edch modul\u016f p\u0159ev\u00e1\u017en\u011b metro\/regional s\u00edt\u011b. Pokud se pod\u00edv\u00e1te <noindex><a rel=\"nofollow\" href=\"https:\/\/www.juniper.net\/assets\/us\/en\/local\/pdf\/industry-reports\/2000696-en.pdf\">tady<\/a><\/noindex>, je vid\u011bt, \u017ee maj\u00ed pravd\u011bpodobn\u011b <b class=\"spoiler_title\">dobr\u00e9 vyhl\u00eddky:<\/b><img decoding=\"async\" alt=\"koherentn\u00ed CFP WDM (100G\/200G) a jejich aplikace v syst\u00e9mech DWDM\" src=\"\/wp-content\/uploads\/2019\/04\/1c4d901b84e7a42f2731d8540271f4e6.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<h3>V\u00fdrobci DSP<\/h3>\n<p>\nMezin\u00e1rodn\u00ed v\u00fdrobci koherentn\u00edch DSP, kte\u0159\u00ed je prod\u00e1vaj\u00ed t\u0159et\u00edm stran\u00e1m, jsou: <\/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\u00fdrobci CFP2-ACO\/DCO<\/h3>\n<p>\nV\u00fdrobci koherentn\u00edch modul\u016f 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 dob\u011b psan\u00ed \u010dl\u00e1nku koupeno Lumentum)<\/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>Vzhledem k tomu, \u017ee n\u011bkter\u00e9 z t\u011bchto spole\u010dnost\u00ed jsou v procesu <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\">hodnocen\u00ed a p\u0159edpokl\u00e1dan\u00fdch f\u00faz\u00ed<\/a><\/noindex> a akvizic, domn\u00edv\u00e1m se, \u017ee trh dodavatel\u016f t\u011bchto \u0159e\u0161en\u00ed se bude zmen\u0161ovat. V\u00fdroba takov\u00fdch modul\u016f je slo\u017eit\u00fd technologick\u00fd proces, tak\u017ee jejich koupi od dodavatel\u016f v \u010c\u00edn\u011b pova\u017euji za zat\u00edm nemo\u017enou a asi je\u0161t\u011b n\u011bjakou dobu nebude mo\u017en\u00e9. <\/p>\n<h3>Dopad na pr\u016fmysl<\/h3>\n<p>Objeven\u00ed takov\u00fdch modul\u016f vedlo k m\u00edrn\u00e9 transformaci ekosyst\u00e9mu nab\u00edzen\u00fdch \u0159e\u0161en\u00ed na trhu. <\/p>\n<ul>\n<li>Za prv\u00e9<\/li>\n<\/ul>\n<p>V\u00fdrobci za\u010dali je pou\u017e\u00edvat v klasick\u00fdch (transponderov\u00fdch) DWDM \u0159e\u0161en\u00edch, jako b\u011b\u017en\u00e9 liniov\u00e9 rozhran\u00ed. Z\u00edskali bonus v podob\u011b modularity, flexibility a sn\u00ed\u017een\u00ed n\u00e1klad\u016f (takov\u00e1 \u0159e\u0161en\u00ed jsou ostatn\u011b \u010dasto vyb\u00edr\u00e1na jako Alien Wavelength). Nap\u0159\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>Za druh\u00e9<\/li>\n<\/ul>\n<p>v\u00fdrobci, kte\u0159\u00ed ji\u017e dod\u00e1vaj\u00ed telekomunika\u010dn\u00ed vybaven\u00ed \u2014 switche a rout\u00e9ry, roz\u0161\u00ed\u0159ili sortiment a p\u0159idali podporu takov\u00fdch modul\u016f, \u010d\u00edm\u017e <noindex><a rel=\"nofollow\" href=\"https:\/\/opticalconnectionsnews.com\/2019\/04\/tencent-completes-200g-ip-over-dwdm-demo-using-acacias-cfp2-dco\/\">n\u00e1s p\u0159ibl\u00ed\u017eili k takzvan\u00fdm IPoDWDM syst\u00e9m\u016fm<\/a><\/noindex>. Nap\u0159\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\u0161ichni zm\u00edn\u011bn\u00ed v\u00fdrobci ji\u017e maj\u00ed v sortimentu za\u0159\u00edzen\u00ed desky pro rout\u00e9ry nebo switche, kter\u00e9 podporuj\u00ed koherentn\u00ed CFP2 moduly.<\/p>\n<ul>\n<li>Samostatn\u011b<\/li>\n<\/ul>\n<p> Je tak\u00e9 zm\u00ednit zaj\u00edmav\u00e9 trendy ve sv\u011btov\u00e9 komunit\u011b, nap\u0159\u00edklad projekt <noindex><a rel=\"nofollow\" href=\"https:\/\/telecominfraproject.com\/\">TIP <\/a><\/noindex>jedn\u00edm z jejich zam\u011b\u0159en\u00ed je v\u00fdvoj <noindex><a rel=\"nofollow\" href=\"https:\/\/oopt.telecominfraproject.com\/\">otev\u0159en\u00fdch optick\u00fdch s\u00edt\u00ed<\/a><\/noindex>. Vybudov\u00e1n\u00ed takov\u00fdch s\u00edt\u00ed umo\u017en\u00ed integraci za\u0159\u00edzen\u00ed do syst\u00e9m\u016f spr\u00e1vy s otev\u0159en\u00fdm k\u00f3dem, \u010d\u00edm\u017e se interakce mezi v\u00fdrobci optick\u00fdch syst\u00e9m\u016f stane transparentn\u011bj\u0161\u00ed a otev\u0159en\u011bj\u0161\u00ed. Krom\u011b toho je pl\u00e1nov\u00e1no vyu\u017eit\u00ed software r\u016fzn\u00fdch dodavatel\u016f na samotn\u00fdch za\u0159\u00edzen\u00edch (jak na transponderech pou\u017e\u00edvaj\u00edc\u00edch DCO moduly, tak na ROADM\/EDFA) <noindex><a rel=\"nofollow\" href=\"https:\/\/www.ipinfusion.com\/\">Ipinfusion<\/a><\/noindex>). Proto z\u016fst\u00e1v\u00e1 trendem posledn\u00edch let sjednocen\u00ed komponentn\u00ed z\u00e1kladny \u0159e\u0161en\u00ed a jedine\u010dnost softwarov\u00fdch v\u00fdvoj\u016f, kter\u00e9 se do zna\u010dn\u00e9 m\u00edry spol\u00e9haj\u00ed na opensource.<\/p>\n<p>D\u011bkuji za pozornost, douf\u00e1m, \u017ee byl tento \u010dl\u00e1nek pro v\u00e1s zaj\u00edmav\u00fd a u\u017eite\u010dn\u00fd. Dal\u0161\u00ed ot\u00e1zky m\u016f\u017eete polo\u017eit v koment\u00e1\u0159\u00edch nebo osobn\u011b. Pokud m\u00e1te co k tomuto t\u00e9matu dodat, budu velmi r\u00e1d.<\/p>\n<p><b class=\"spoiler_title\">hlavn\u00ed obr\u00e1zek pro \u010dl\u00e1nek byl p\u0159evzat<\/b>Z webu <noindex><a rel=\"nofollow\" href=\"https:\/\/www.colt.net\">www.colt.net<\/a><\/noindex>, douf\u00e1m, \u017ee nemaj\u00ed nic proti. <\/p>\n<p class=\"for_users_only_msg\">Pouze registrovan\u00ed u\u017eivatel\u00e9 se mohou \u00fa\u010dastnit ankety. <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/auth\/login\/\">P\u0159ihlaste se<\/a><\/noindex>, pros\u00edm.<\/p>\n<h2 class=\"default-block__polling-title\">Zaj\u00edm\u00e1 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>                    Ano, to je moje pr\u00e1ce (nebo jej\u00ed \u010d\u00e1st)!<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Ano, n\u011bkdy m\u011b zaj\u00edm\u00e1 \u010d\u00edst o tomto va\u0161em D\u00ddVYD\u00dd\u00c9M.<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Ne, co tu d\u011bl\u00e1m? (Travolta.gif)<\/p>\n<\/li>\n<\/ul>\n<p>    Hlasovali 3 u\u017eivatel\u00e9. Bez zdr\u017een\u00ed nen\u00ed.<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\/cs\/blog\/administrirovanie\/kogerentnye-cfp-wdm-100g-200g-i-ih-primenenie-v-sistemah-dwdm\" 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