{"id":718689,"date":"2026-10-17T09:37:04","date_gmt":"2026-10-17T09:37:04","guid":{"rendered":"https:\/\/microscopemedia.com\/?p=718689"},"modified":"2026-10-17T09:37:04","modified_gmt":"2026-10-17T09:37:04","slug":"meta-construieste-o-autostrada-digitala-pe-fundul-atlanticului-petal-va-avea-o-capacitate-record","status":"publish","type":"post","link":"https:\/\/microscopemedia.com\/?p=718689","title":{"rendered":"Meta construie\u0219te o \u201eautostrad\u0103\u201d digital\u0103 pe fundul Atlanticului. Petal va avea o capacitate record"},"content":{"rendered":"<div class=\"sgb-google-buttons\">\n<div class=\"display-flex justify-center google-logo\"><img decoding=\"async\" loading=\"lazy\" class=\"mg-x-auto\" width=\"30\" height=\"30\" src=\"https:\/\/microscopemedia.com\/wp-content\/uploads\/2026\/10\/meta-construieste-o-autostrada-digitala-pe-fundul-atlanticului-petal-va-avea-o-capacitate-record.png\" alt><\/div>\n<\/p><\/div>\n<p data-pm-slice=\"1 1 []\" id=\"p-0\">Capacitatea anun\u021bat\u0103 pentru Petal este de un petabit pe secund\u0103, adic\u0103 un milion de gigabi\u021bi pe secund\u0103. Transpus \u00eentr-un exemplu mai u\u0219or de imaginat, cablul ar putea transporta aproximativ 125 de terabytes de date \u00een fiecare secund\u0103.<\/p>\n<p id=\"p-1\">Aceast\u0103 cantitate ar corespunde, teoretic, unui transfer de aproximativ 25.000 de filme HD cu dimensiunea de c\u00e2te 5 GB, \u00een fiecare secund\u0103.<\/p>\n<p id=\"p-2\">Potrivit reprezentan\u021bilor Meta cita\u021bi de <a href=\"https:\/\/www.livescience.com\/technology\/communications\/new-4-300-mile-long-internet-cable-will-shuttle-data-along-the-ocean-floor-at-1-million-gigabits-per-second\" target=\"_blank\" rel=\"noopener\">Live Science<\/a>, capacitatea ar fi suficient\u0103, teoretic, pentru ca aproximativ 75% din popula\u021bia planetei s\u0103 poat\u0103 asculta simultan muzic\u0103 prin streaming.<\/p>\n<p id=\"p-3\">Dac\u0103 parametrii anun\u021ba\u021bi vor fi atin\u0219i, Petal ar urma s\u0103 fie primul sistem transoceanic de acest tip care ofer\u0103 o capacitate de ordinul petabi\u021bilor \u0219i ar avea aproximativ dublul capacit\u0103\u021bii cablurilor submarine existente de lungime comparabil\u0103.<\/p>\n<h2 id=\"chapter-0\">O fibr\u0103 are grosimea aproximativ\u0103 a unui fir de p\u0103r<\/h2>\n<p id=\"p-4\">Una dintre inova\u021biile importante ale proiectului este utilizarea comercial\u0103 a fibrei optice multicore pentru un cablu submarin.<\/p>\n<p id=\"p-5\">\u00cen cazul fibrelor conven\u021bionale, un fir con\u021bine \u00een mod obi\u0219nuit un singur nucleu prin care circul\u0103 semnalul optic. Fibrele Petal vor avea c\u00e2te dou\u0103 nuclee, prin care semnalele vor circula \u00een direc\u021bii opuse.<\/p>\n<p id=\"p-6\">Fiecare fibr\u0103 are un diametru de numai 125 de micrometri, aproximativ grosimea unui fir de p\u0103r.<\/p>\n<p id=\"p-7\">Cablul va utiliza 24 de perechi de fibre cu c\u00e2te dou\u0103 nuclee, rezult\u00e2nd \u00een total 96 de nuclee individuale. Configura\u021bia \u00eei va permite s\u0103 transporte un volum de date echivalent cu cel oferit de 48 de perechi conven\u021bionale de fibr\u0103.<\/p>\n<p id=\"p-8\">Compania japonez\u0103 NEC va r\u0103spunde de proiectarea general\u0103 \u0219i construc\u021bia sistemului, \u00een timp ce Sumitomo Electric va furniza fibra optic\u0103.<\/p>\n<h2 id=\"chapter-1\">Aproximativ 100 de amplificatoare pe traseul de 7.000 de kilometri<\/h2>\n<p id=\"p-9\">Transportarea datelor prin Atlantic ridic\u0103 \u00eens\u0103 o alt\u0103 problem\u0103 tehnic\u0103: semnalele optice trebuie s\u0103 parcurg\u0103 mii de kilometri f\u0103r\u0103 ca degradarea lor s\u0103 compromit\u0103 comunica\u021biile.<\/p>\n<p id=\"p-10\">Cablurile submarine folosesc \u00een acest scop repetoare instalate la anumite intervale, care amplific\u0103 prin intermediul laserelor semnalele optice. Pentru un cablu submarin de aproximativ 7.000 de kilometri sunt necesare, \u00een mod obi\u0219nuit, circa 100 de astfel de dispozitive.<\/p>\n<p id=\"p-11\">Petal va utiliza o tehnologie denumit\u0103 \u201efan-in\/fan-out\u201d. La intrarea \u00eentr-un repetor, semnalele celor dou\u0103 nuclee ale fibrei sunt separate, amplificate individual \u0219i apoi redirec\u021bionate c\u0103tre fibra dual-core pentru continuarea c\u0103l\u0103toriei.<\/p>\n<p id=\"p-12\">Meta sus\u021bine c\u0103 aceast\u0103 combina\u021bie tehnologic\u0103 va permite dublarea capacit\u0103\u021bii de transport a datelor f\u0103r\u0103 o cre\u0219tere propor\u021bional\u0103 a consumului de energie.<\/p>\n<h2 id=\"chapter-2\">Cablurile submarine transport\u0103 aproape tot traficul global de internet<\/h2>\n<p id=\"p-13\">Infrastructura amplasat\u0103 pe fundul m\u0103rilor \u0219i oceanelor reprezint\u0103 coloana vertebral\u0103 a comunica\u021biilor digitale mondiale. Potrivit datelor Uniunii Interna\u021bionale a Telecomunica\u021biilor citate de publica\u021bie, aproximativ 99% din traficul global de internet este transportat prin cabluri submarine.<\/p>\n<p id=\"p-14\">Petal continu\u0103 seria investi\u021biilor Meta \u00een aceast\u0103 infrastructur\u0103. Compania a mai participat la proiecte precum Marea, devenit opera\u021bional \u00een 2018, Amitie, \u00een 2023, \u0219i Anjana, \u00een 2025.<\/p>\n<p id=\"p-15\">Marea, primul proiect transatlantic de fibr\u0103 optic\u0103 al companiei, are o capacitate de 192 Tbps. Prin compara\u021bie, Petal ar urma s\u0103 ofere o capacitate de peste cinci ori mai mare.<\/p>\n<p id=\"p-16\">\u201eAtingerea unei capacit\u0103\u021bi de un petabit pe secund\u0103 \u00eentr-un sistem submarin transoceanic reprezint\u0103 un reper tehnologic major \u00een istoria telecomunica\u021biilor globale\u201d, a declarat Eduardo Mateo, director de strategie \u00een divizia Submarine Networks a NEC.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Capacitatea anun\u021bat\u0103 pentru Petal este de un petabit pe secund\u0103, adic\u0103 un milion de gigabi\u021bi pe secund\u0103. Transpus \u00eentr-un exemplu mai u\u0219or de imaginat, cablul ar putea transporta aproximativ 125 &hellip; <a href=\"https:\/\/microscopemedia.com\/?p=718689\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":718690,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"Default","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/posts\/718689"}],"collection":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=718689"}],"version-history":[{"count":0,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/posts\/718689\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/media\/718690"}],"wp:attachment":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=718689"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=718689"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=718689"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}