{"id":39865,"date":"2021-03-23T13:57:18","date_gmt":"2021-03-23T12:57:18","guid":{"rendered":"https:\/\/www.soitron.com\/?p=39865"},"modified":"2022-03-24T10:23:17","modified_gmt":"2022-03-24T09:23:17","slug":"prenosove-opticke-trasy-tv-markiza","status":"publish","type":"post","link":"https:\/\/new.soitron.com\/cs\/prenosove-opticke-trasy-tv-markiza\/","title":{"rendered":"P\u0159enosov\u00e9 optick\u00e9 trasy TV Mark\u00edza na steroidech"},"content":{"rendered":"\n

Nejnov\u011bj\u0161\u00ed a v re\u00e1ln\u00e9m \u010dase. Ka\u017ed\u00e1 televizn\u00ed stanice chce div\u00e1k\u016fm p\u0159in\u00e1\u0161et nej\u010derstv\u011bj\u0161\u00ed informace, a to v co mo\u017en\u00e1 nejvy\u0161\u0161\u00ed obrazov\u00e9 a zvukov\u00e9 kvalit\u011b. M\u00e1lokdo si v\u0161ak uv\u011bdomuje, \u017ee aby se tak mohlo d\u00edt, je zapot\u0159eb\u00ed zajistit p\u0159enos obrovsk\u00e9ho mno\u017estv\u00ed produk\u010dn\u00edch dat pot\u0159ebn\u00fdch k n\u00e1sled-n\u00e9mu odbaven\u00ed do vys\u00edl\u00e1n\u00ed. A\u0165 u\u017e jde o \u017eiv\u00e9 p\u0159enosy, r\u016fzn\u00e9 live vstupy a streamy, nebo d\u0159\u00edve po\u0159\u00edzen\u00e1 videa a jin\u00e9 nahr\u00e1vky ur\u010den\u00e9 k postprodukci a st\u0159\u00edh\u00e1n\u00ed, je nezbytn\u00e9 umo\u017enit jejich hladk\u00fd p\u0159\u00edjem a n\u00e1sledn\u00e9 p\u0159evzet\u00ed odbavovac\u00edm pracovi\u0161t\u011bm. Slovensk\u00e1 TV Mark\u00edza dr\u017e\u00ed krok s modern\u00edmi technologiemi, a tak ve spolupr\u00e1ci se spole\u010dnostmi Nokia a Soitron implementovala technologii Dense Wavelength Division Multiplexing (DWDM),<\/a> kter\u00e1 n\u011bkolikan\u00e1sobn\u011b zv\u00fd\u0161ila kapacitu st\u00e1vaj\u00edc\u00ed kabel\u00e1\u017ee.<\/strong><\/p>\n\n\n\n

Rostouc\u00ed objem dat p\u0159ed\u010d\u00ed ve\u0161ker\u00e1 o\u010dek\u00e1v\u00e1n\u00ed. Ka\u017ed\u00fdm rokem ve sv\u011bt\u011b exponenci\u00e1ln\u00edm zp\u016fsobem vzroste po\u017eadavek nejen pro jejich ulo\u017een\u00ed, ale tak\u00e9 rychlou bezprobl\u00e9movou v\u00fdm\u011bnu. Zat\u00edmco d\u0159\u00edve tyto po\u017eadavky splnily b\u011b\u017en\u00e9 optick\u00e9 spoje, dnes v nich mus\u00ed b\u00fdt zapojeny technologie, kter\u00e9 je posouvaj\u00ed na mnohem vy\u0161\u0161\u00ed level.<\/p>\n\n\n\n

\"\"
Autor: TV Mark\u00edza<\/figcaption><\/figure>\n\n\n\n

Co v\u0161e se skr\u00fdv\u00e1 za p\u0159enosem velk\u00e9ho mno\u017estv\u00ed dat v optick\u00fdch tras\u00e1ch po technick\u00e9 str\u00e1nce, si \u010dasto jako b\u011b\u017en\u00ed div\u00e1ci ani neum\u00edme p\u0159edstavit. P\u0159itom kdyby nedo\u0161lo k zaji\u0161t\u011bn\u00ed hladk\u00e9ho transportu dat, asi jen t\u011b\u017eko bychom se dnes mohli d\u00edvat na sportovn\u00ed utk\u00e1n\u00ed ve vysok\u00e9m \u010di ultravysok\u00e9m rozli\u0161en\u00ed. Nejsou to v\u0161ak jen sportovn\u00ed utk\u00e1n\u00ed, kter\u00e9 proud\u00ed datov\u00fdmi trasami tele-vizn\u00edch stanic. T\u011bmito pomysln\u00fdmi d\u00e1lnicemi do studi\u00ed putuje obrovsk\u00e9 mno\u017estv\u00ed r\u016fzn\u00fdch informac\u00ed najednou, a p\u0159itom se nesm\u00edchaj\u00ed.<\/p>\n\n\n\n

Kdy\u017e st\u00e1vaj\u00edc\u00ed d\u00e1lnice nesta\u010d\u00ed<\/h2>\n\n\n\n

P\u0159edstavte si n\u011bkolik mal\u00fdch n\u00e1kladn\u00edch vozidel pohybuj\u00edc\u00edch se po venkovsk\u00e9 silnici v jednom i druh\u00e9m sm\u011bru a p\u0159epravuj\u00edc\u00edch zbo\u017e\u00ed mezi tov\u00e1rnami a spot\u0159ebiteli. Jak populace roste, roste tak\u00e9 popt\u00e1vka, a t\u00edm samoz\u0159ejm\u011b roste po\u010det n\u00e1kladn\u00edch vozidel, \u010d\u00edm\u017e doch\u00e1z\u00ed ke zvy\u0161ov\u00e1n\u00ed rozmanitosti zbo\u017e\u00ed a provozu. V ur\u010dit\u00e9m okam\u017eiku mus\u00ed spr\u00e1vci komu-nikac\u00ed za\u010d\u00edt \u201ep\u0159id\u00e1vat\u201c dal\u0161\u00ed pruhy, a z mal\u00e9 venkovsk\u00e9 silnice se nakonec stane velk\u00e1 v\u00edceproud\u00e1 d\u00e1lnice s velk\u00fdmi a dlouh\u00fdmi vozy, kter\u00e9 ka\u017ed\u00fd den p\u0159epravuj\u00ed obrovsk\u00e9 objemy r\u016fzn\u00e9ho druhu zbo\u017e\u00ed.<\/p>\n\n\n\n

Podobn\u00e1 rychl\u00e1 expanze nastala v datov\u00fdch tras\u00e1ch. Telekomunika\u010dn\u00ed pr\u016fmysl a zejm\u00e9na poskytovatel\u00e9 slu\u017eeb \u010delili dramatick\u00e9mu a velmi rychl\u00e9mu n\u00e1r\u016fstu objemu a typu dat, kter\u00e9 mus\u00ed jejich syst\u00e9my zpraco-v\u00e1vat. S\u00edt\u011b p\u016fvodn\u011b vytvo\u0159en\u00e9 pro p\u0159enos zvuku \u2013 z jednoho telefonu do druh\u00e9ho – nyn\u00ed absorbuj\u00ed p\u0159\u00edliv velk\u00e9ho objemu dat, a to v re\u00e1ln\u00e9m \u010dase a z mnoha m\u00edst, respektive za\u0159\u00edzen\u00ed v jeden okam\u017eik. Optick\u00e1 vl\u00e1kna m\u011bla v\u00fdznamn\u00fd dopad na telekomunika\u010dn\u00ed pr\u016fmysl a budou v tom pokra\u010dovat, proto\u017ee sv\u011btlo jako nosi\u010d umo\u017e\u0148uje mnohem vy\u0161\u0161\u00ed rychlosti p\u0159enosu dat na v\u011bt\u0161\u00ed vzd\u00e1lenosti a s men\u0161\u00edmi ztr\u00e1tami ve srovn\u00e1n\u00ed s bezdr\u00e1tov\u00fdmi zp\u016fsoby. Aby bylo mo\u017en\u00e9 zak\u00f3dovat data do optick\u00fdch kabel\u016f, a aby je bylo mo\u017eno p\u0159en\u00e1\u0161et, a po jejich p\u0159ijet\u00ed dek\u00f3dovat zp\u011bt do p\u016fvodn\u00edho stavu jsou v optick\u00fdch tras\u00e1ch vyu\u017eity vys\u00edla\u010de a p\u0159ij\u00edma\u010de.<\/p>\n\n\n\n

Stejn\u00e1 kabel\u00e1\u017e, a p\u0159itom vy\u0161\u0161\u00ed kapacita<\/h2>\n\n\n\n

Dense Wavelength Division Multiplexing je technologie vys\u00edla\u010d\u016f a p\u0159ij\u00edma\u010d\u016f vyvinut\u00e1 u\u017e p\u0159ed 20 lety, d\u00edky n\u00ed jsou p\u0159enosy prost\u0159ednictv\u00edm optiky mnohem lep\u0161\u00ed. Dramaticky toti\u017e dok\u00e1\u017e\u00ed zv\u00fd\u0161it kapacitu p\u00e1sma (v podstat\u011b mno\u017estv\u00ed dat, kter\u00e1 lze p\u0159en\u00e1\u0161et) ve st\u00e1vaj\u00edc\u00edch optick\u00fdch rozvodech. Jednodu\u0161e \u0159e\u010deno, data z r\u016fzn\u00fdch sign\u00e1l\u016f jsou odd\u011blena a k\u00f3dov\u00e1na na r\u016fzn\u00fdch vlnov\u00fdch d\u00e9lk\u00e1ch a spojena (multiplexov\u00e1na) do jednoho optick\u00e9ho vl\u00e1kna. Na p\u0159ij\u00edmac\u00edm konci jsou vlnov\u00e9 d\u00e9lky znovu odd\u011bleny a p\u0159evedeny na p\u016fvodn\u00ed digit\u00e1ln\u00ed sign\u00e1ly. Jin\u00fdmi slovy, DWDM umo\u017e\u0148uje pos\u00edlat r\u016fzn\u00e9 datov\u00e9 toky sou\u010dasn\u011b p\u0159es jedin\u00e9 optick\u00e9 vl\u00e1kno, ani\u017e by bylo nutn\u00e9 pokl\u00e1dat nov\u00e9 a nov\u00e9 kabely. Tak nab\u00edz\u00ed obrovskou kapacitu pro opravdu velk\u00e9 mno\u017estv\u00ed sign\u00e1l\u016f, kter\u00e9 jsou optikou pos\u00edl\u00e1ny.<\/p>\n\n\n\n

Se vzr\u016fstaj\u00edc\u00edmi n\u00e1roky si TV Mark\u00edza cht\u011bla i nad\u00e1le zajistit dostatek datov\u00e9ho p\u00e1sma a zabezpe\u010dit p\u0159enos produk\u010dn\u00edch dat pot\u0159ebn\u00fdch pro vys\u00edl\u00e1n\u00ed mezi \u010dty\u0159mi sv\u00fdmi lokalitami v Bratislav\u011b. Konkr\u00e9tn\u011b \u0161lo o s\u00eddlo televize, ateli\u00e9ry NAD a peeringov\u00e1 centra Sitel a Six. To j\u00ed umo\u017enilo nasazen\u00ed DWDM s\u00edt\u011b s technologiemi od spole\u010dnosti Nokia, a p\u0159itom nebylo nutn\u00e9 \u0159e\u0161it stavebn\u00ed pr\u00e1ce, pou\u017eila se st\u00e1vaj\u00edc\u00ed kabel\u00e1\u017e. \u201eKabely musely kapacitn\u011b zvl\u00e1dnout p\u0159enos velk\u00e9ho mno\u017estv\u00ed produk\u010dn\u00edch dat, jako jsou streamy, videa a jin\u00e9 nahr\u00e1vky ur\u010den\u00e9 pro produkci a sest\u0159\u00edh\u00e1n\u00ed \u010di pou\u017eit\u00ed p\u0159i \u017eiv\u00e9m vys\u00edl\u00e1n\u00ed. Takt\u00e9\u017e se \u0159e\u0161il po\u017eadavek na p\u0159\u00edm\u00e9 propojen\u00ed s televiz\u00ed Nova. Cel\u00e1 DWDM s\u00ed\u0165 b\u011b\u017e\u00ed na optick\u00fdch vl\u00e1knech, kter\u00e9 si Mark\u00edza dlouhodob\u011b pronaj\u00edm\u00e1 od spole\u010dnosti ACS,\u201c<\/em> uv\u00e1d\u00ed Martin \u010caprnka, Network Presales Manager spole\u010dnosti Soitron<\/strong>, kter\u00e1 zaji\u0161\u0165ovala implementaci technologick\u00e9ho \u0159e\u0161en\u00ed.<\/p>\n\n\n\n

\"\"
Autor: Soitron<\/figcaption><\/figure>\n\n\n\n

Popt\u00e1vka po kapacit\u011b bude nad\u00e1le r\u016fst<\/h2>\n\n\n\n

Multiplexovac\u00ed za\u0159\u00edzen\u00ed DWDM a pou\u017eit\u00e1 technologie Nokia PSS (Photonic Service Switch) p\u0159ev\u00e1d\u00ed data z des\u00edtek zdroj\u016f na jedin\u00e9 optick\u00e9 vl\u00e1kno, ve form\u011b sv\u011bteln\u00fdch sign\u00e1l\u016f odli\u0161n\u00fdch vlnov\u00fdch d\u00e9lek a m\u016f\u017ee je odeslat na vzd\u00e1lenost tis\u00edce kilometr\u016f, kde je lze op\u011bt rozpojit. Takt\u00e9\u017e si to m\u016f\u017eeme p\u0159edstavit pomoc\u00ed barev tzn., \u017ee ka\u017ed\u00e1 vlnov\u00e1 d\u00e9lka je prezentov\u00e1na konkr\u00e9tn\u00ed barvou. Nap\u0159\u00edklad Mark\u00edza m\u016f\u017ee v jedn\u00e9 chv\u00edli po modr\u00e9 barv\u011b pos\u00edlat sportovn\u00ed p\u0159enos a po \u017elut\u00e9 barv\u011b p\u0159edpov\u011b\u010f po\u010das\u00ed. DWDM vyu\u017e\u00edv\u00e1 pro ka\u017ed\u00fd z des\u00edtek sign\u00e1l\u016f maxim\u00e1ln\u00ed p\u0159enosovou rychlost optick\u00e9 kabel\u00e1\u017ee. V jeden okam\u017eik tak rychlost\u00ed 100 Gb\/s lze p\u0159en\u00e9st a\u017e 160 sign\u00e1l\u016f \u2013 v celkov\u00e9 rychlosti 16 Tb\/s, tedy 160kr\u00e1t v\u00edce ne\u017e d\u0159\u00edve. TV Mark\u00edza si nechala implementovat syst\u00e9m, kter\u00fd aktu\u00e1ln\u011b um\u00ed pracovat a\u017e s 8 vlnov\u00fdmi d\u00e9lkami. V praxi to znamen\u00e1, \u017ee m\u016f\u017ee vyu\u017e\u00edt maxim\u00e1ln\u011b osm p\u0159ipojen\u00ed, ka\u017ed\u00e9 s kapacitou do 10 Gb\/s.<\/p>\n\n\n\n

TV Mark\u00edza z\u00edskala vlastn\u00ed vysokorychlostn\u00ed transportn\u00ed s\u00ed\u0165 pro oboustrann\u00fd p\u0159enos dat s mo\u017enost\u00ed dal\u0161\u00edho nav\u00fd\u0161en\u00ed jej\u00ed kapacity v budoucnu podle pot\u0159eby, p\u0159i\u010dem\u017e  k realizaci dojde velmi jednodu\u0161e a rychle. Ostatn\u011b i to jsou d\u016fvody, kter\u00e9 vyhr\u00e1ly p\u0159i rozhodov\u00e1n\u00ed, zda si vybudovat vlastn\u00ed DWDM s\u00ed\u0165, anebo si n\u011bjakou podobnou pronajmout od jin\u00fdch dodavatel\u016f jako slu\u017ebu. Pro hovo\u0159\u00ed i ned\u00e1vn\u00e9 p\u0159ekopnut\u00ed optick\u00e9ho kabelu vedouc\u00ed do TV Mark\u00edza, kdy tento incident byl zaznamen\u00e1n, av\u0161ak nikterak nedo\u0161lo k \u017e\u00e1dn\u00e9mu v\u00fdpadku d\u00edky z\u00e1lohov\u00e1n\u00ed do kruhu. Syst\u00e9m zafungoval naprosto spr\u00e1vn\u011b.<\/p>\n","protected":false},"excerpt":{"rendered":"

Nejnov\u011bj\u0161\u00ed a v re\u00e1ln\u00e9m \u010dase. Ka\u017ed\u00e1 televizn\u00ed stanice chce div\u00e1k\u016fm p\u0159in\u00e1\u0161et nej\u010derstv\u011bj\u0161\u00ed informace, a to v co mo\u017en\u00e1 nejvy\u0161\u0161\u00ed obrazov\u00e9 a zvukov\u00e9 kvalit\u011b. M\u00e1lokdo si v\u0161ak uv\u011bdomuje, \u017ee aby se tak mohlo d\u00edt, je zapot\u0159eb\u00ed zajistit p\u0159enos obrovsk\u00e9ho mno\u017estv\u00ed produk\u010dn\u00edch dat pot\u0159ebn\u00fdch k n\u00e1sled-n\u00e9mu odbaven\u00ed do vys\u00edl\u00e1n\u00ed. A\u0165 u\u017e jde o \u017eiv\u00e9 p\u0159enosy, r\u016fzn\u00e9 live vstupy a streamy, […]<\/p>\n","protected":false},"author":30,"featured_media":39867,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[144],"tags":[316],"news_categories":[392],"class_list":["post-39865","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-clanky-cs","tag-sitova-reseni","news_categories-sitova-reseni"],"acf":[],"yoast_head":"\nP\u0159enosov\u00e9 optick\u00e9 trasy TV Mark\u00edza na steroidech - Soitron<\/title>\n<meta name=\"description\" content=\"Co v\u0161e se skr\u00fdv\u00e1 za p\u0159enosem velk\u00e9ho mno\u017estv\u00ed dat v\u00a0optick\u00fdch tras\u00e1ch po technick\u00e9 str\u00e1nce, si \u010dasto jako b\u011b\u017en\u00ed div\u00e1ci neum\u00edme p\u0159edstavit.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P\u0159enosov\u00e9 optick\u00e9 trasy TV Mark\u00edza na steroidech - 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