{"id":30927,"date":"2019-10-31T21:38:17","date_gmt":"2019-10-31T18:38:17","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vesti-so-dna-it-giganty-nachali-aktivno-stroit-sobstvennye-podvodnye-magistralnye-seti\/"},"modified":"2019-10-31T21:38:17","modified_gmt":"2019-10-31T18:38:17","slug":"vesti-so-dna-it-giganty-nachali-aktivno-stroit-sobstvennye-podvodnye-magistralnye-seti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/administrirovanie\/vesti-so-dna-it-giganty-nachali-aktivno-stroit-sobstvennye-podvodnye-magistralnye-seti","title":{"rendered":"\u0218tiri de pe fund: gigantii IT au \u00eenceput s\u0103 construiasc\u0103 activ re\u021bele submarine proprii","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ne-am obi\u0219nuit de mult timp c\u0103 marile companii IT se ocup\u0103 nu doar cu lansarea de produse \u0219i furnizarea de servicii, ci \u0219i c\u0103 particip\u0103 activ la dezvoltarea infrastructurii internetului. DNS-ul de la Google, stocarea \u00een cloud \u0219i hostingul Amazon, centrele de date Facebook din \u00eentreaga lume \u2014 acum cincisprezece ani p\u0103rea ceva prea ambi\u021bios, iar acum este norma cu care toat\u0103 lumea s-a obi\u0219nuit. <\/p>\n<p>Iat\u0103 c\u0103 cele patru mari companii IT, Amazon, Google, Microsoft \u0219i Facebook, au ajuns s\u0103 investeasc\u0103 nu doar \u00een centrele de date \u0219i servere, ci \u0219i \u00een cablurile de fibr\u0103 optic\u0103 \u2014 adic\u0103 au intrat \u00eentr-un domeniu care a fost, \u00een mod tradi\u021bional, responsabilitatea unor structuri complet diferite. Ceea ce este interesant, conform concluziilor <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.apnic.net\/2019\/04\/03\/the-future-of-undersea-internet-cables-are-big-tech-companies-forming-a-cartel\/\">din blogul APNIC<\/a><\/noindex>, men\u021bionatul cvartet de gigan\u021bi tehnologici nu s-a limitat doar la re\u021belele terestre, ci a luat \u00een vizor liniile de comunica\u021bie transcontinentale, adic\u0103 binecunoscutele cabluri subacvatice. <\/p>\n<p><img decoding=\"async\" alt=\"\u0218tiri de pe fund: gigantii IT au \u00eenceput s\u0103 construiasc\u0103 activ re\u021bele submarine proprii\" src=\"\/wp-content\/uploads\/2019\/04\/b98108dad0067d5cb401081c33080750.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nCel mai surprinz\u0103tor este c\u0103, \u00een prezent, nu exist\u0103 o necesitate acut\u0103 pentru noi re\u021bele, dar companiile \u00ee\u0219i cresc activ capacitatea de band\u0103 \u201epentru zile negre\u201d. Din p\u0103cate, este aproape imposibil s\u0103 g\u0103se\u0219ti statistici clare despre genera\u021bia global\u0103 de trafic din cauza numero\u0219ilor speciali\u0219ti \u00een marketing care folosesc dimensiuni precum \u201e65 de milioane de post\u0103ri pe Instagram zilnic\u201d sau \u201eN c\u0103ut\u0103ri pe Google\u201d \u00een loc de petabytes transparen\u021bi \u0219i u\u0219or de \u00een\u021beles pentru speciali\u0219ti. Putem presupune cu pruden\u021b\u0103 c\u0103 traficul zilnic este de aproximativ \u22482,5*10^18 bytes sau \u00een jur de 2500 petabytes de date. <br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nUna dintre motivele pentru care re\u021belele moderne de fibr\u0103 optic\u0103 trebuie s\u0103 se extind\u0103 este cre\u0219terea popularit\u0103\u021bii serviciului de streaming Netflix \u0219i cre\u0219terea corespunz\u0103toare a segmentului mobil. Pe fondul tendin\u021bei generale de cre\u0219tere a calit\u0103\u021bii vizuale a con\u021binutului video \u00een ceea ce prive\u0219te rezolu\u021bia \u0219i bit rate-ul, precum \u0219i a cre\u0219terii consumului de trafic mobil de c\u0103tre utilizatorii individuali (\u00een contextul \u00eencetinirii v\u00e2nz\u0103rilor de dispozitive mobile la nivel mondial), re\u021belele de fibr\u0103 optic\u0103 nu pot fi \u00eenc\u0103 considerate suprasolicitate. <\/p>\n<p>Hai s\u0103 ne uit\u0103m la <noindex><a rel=\"nofollow\" href=\"https:\/\/www.submarinecablemap.com\/\">harta internetului subacvatic de la Google<\/a><\/noindex>: <\/p>\n<p><img decoding=\"async\" alt=\"\u0218tiri de pe fund: gigantii IT au \u00eenceput s\u0103 construiasc\u0103 activ re\u021bele submarine proprii\" src=\"\/wp-content\/uploads\/2019\/04\/f7524e91811a0239c7a1a98df11e8aae.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nEste greu de determinat vizual c\u00e2te noi trasee au fost create, iar serviciul se actualizeaz\u0103 aproape zilnic, f\u0103r\u0103 a oferi o istorie clar\u0103 a modific\u0103rilor sau alte date statistice centralizate. Prin urmare, s\u0103 ne \u00eendrept\u0103m aten\u021bia c\u0103tre surse mai vechi. Conform informa\u021biilor deja <noindex><a rel=\"nofollow\" href=\"http:\/\/www.visualcapitalist.com\/wp-content\/uploads\/2017\/08\/cable-map-full.jpg\">pe aceast\u0103 hart\u0103 (50 Mb !!!)<\/a><\/noindex>, capacitatea de transfer a re\u021belelor intercontinentale existente \u00een 2014 era de aproximativ 58 Tbps, dintre care doar 24 Tbps erau folosite efectiv:<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habrastorage.org\/webt\/hk\/qn\/jd\/hkqnjdhh0mtpnvlgq2ijvr50gy4.png\"><img decoding=\"async\" alt=\"\u0218tiri de pe fund: gigantii IT au \u00eenceput s\u0103 construiasc\u0103 activ re\u021bele submarine proprii\" src=\"\/wp-content\/uploads\/2019\/04\/598b322d4c675ca120e3fbeadabcfb1f.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/p>\n<p>Pentru cei care \u00ee\u0219i \u00eenc\u0103lzesc m\u00e2inile \u00een furie \u0219i se preg\u0103tesc s\u0103 scrie: \u201eNu cred! E mult prea pu\u021bin!\u201d, s\u0103 ne amintim c\u0103 este vorba despre <b>traficul intercontinental<\/b>, adic\u0103 el este \u00een mod evident mult mai mic dec\u00e2t cel dintr-o anumit\u0103 regiune, deoarece nu am st\u0103p\u00e2nit \u00eenc\u0103 teleportarea cuantic\u0103 \u0219i nu ne putem ascunde nici de ping-ul de 300-400 ms. <\/p>\n<p>\u00cen 2015, s-a f\u0103cut o prognoz\u0103 c\u0103 \u00eentre 2016 \u0219i 2020 se vor \u00eentinde un total de \u00eenc\u0103 400.000 km de cabluri de mare capacitate pe fundul oceanului, ceea ce va m\u0103ri semnificativ capacitatea re\u021belei globale. <\/p>\n<p>Cu toate acestea, dac\u0103 ne uit\u0103m la statisticile prezentate pe harta de mai sus, \u00een special la cei 26 Tbps de \u00eenc\u0103rcare dintr-un canal total de 58 Tbps, apar \u00eentreb\u0103ri logice: de ce \u0219i cum? <\/p>\n<p>\u00cen primul r\u00e2nd, gigantii IT au \u00eenceput s\u0103 construiasc\u0103 propriile re\u021bele de mare capacitate pentru a cre\u0219te conectivitatea elementelor infrastructurii interne ale companiilor pe diferite continente. Din cauza ping-ului men\u021bionat anterior de aproape o jum\u0103tate de secund\u0103 \u00eentre dou\u0103 puncte opuse ale globului, companiile IT sunt nevoite s\u0103 inoveze \u00een asigurarea stabilit\u0103\u021bii oper\u0103rii propriului \"ecosistem\". Aceste \u00eentreb\u0103ri sunt cele mai presante pentru Google \u0219i Amazon; primii au \u00eenceput s\u0103 construiasc\u0103 propriile re\u021bele \u00eenc\u0103 din 2014, c\u00e2nd au decis s\u0103 \u00eentind\u0103 un cablu \u00eentre coasta de est a Statelor Unite \u0219i Japonia pentru a conecta centrele lor de date, despre care <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/228287\/\">atunci s-a scris pe Habr<\/a><\/noindex>. Doar pentru a conecta dou\u0103 centre de date separate, gigantul motor de c\u0103utare era dispus s\u0103 cheltuie $300 milioane \u0219i s\u0103 \u00eentind\u0103 aproximativ 10.000 de kilometri de cablu pe fundul oceanului lini\u0219tit. <\/p>\n<p>Dac\u0103 cineva nu a \u0219tiut sau a uitat, a\u0219adar, instalarea cablurilor submarine este o misiune de dificultate crescut\u0103, \u00eencep\u00e2nd cu scufundarea construc\u021biilor armate cu un diametru de p\u00e2n\u0103 la o jum\u0103tate de metru \u00een zonele de coast\u0103 \u0219i termin\u00e2nd cu o explorare terestr\u0103 nesf\u00e2r\u0219it\u0103 pentru instalarea p\u0103r\u021bii principale a magistra\u00adlului la o ad\u00e2ncime de c\u00e2\u021biva kilometri. Atunci c\u00e2nd este vorba despre Oceanul Pacific, dificultatea cre\u0219te propor\u021bional cu ad\u00e2ncimea \u0219i num\u0103rul de creste montane de pe fundul oceanului. Pentru astfel de activit\u0103\u021bi sunt necesare nave specializate, o echip\u0103 de speciali\u0219ti bine preg\u0103ti\u021bi \u0219i, \u00een esen\u021b\u0103, c\u00e2\u021biva ani de munc\u0103 intens\u0103, av\u00e2nd \u00een vedere instalarea de la etapa de proiectare \u0219i explorare, p\u00e2n\u0103 la, \u00een cele din urm\u0103, punerea \u00een func\u021biune a sec\u021biunii re\u021belei. \u00cen plus, aici se adaug\u0103 coordonarea lucr\u0103rilor \u0219i construirea sta\u021biilor de retransmisie pe \u021b\u0103rm cu guvernele locale, lucrul cu ecologi\u0219tii, care monitorizeaz\u0103 conservarea celei mai populate linii de coast\u0103 (ad\u00e2ncimea &lt;200 m) \u0219i a\u0219a mai departe. <\/p>\n<p>Poate c\u0103 \u00een ultimii ani au fost introduse \u00een exploatare nave noi, dar acum cinci ani, pe principalele cablu-\u00eemp\u0103care ale acelei Huawei (da, compania chinez\u0103 este unul dintre liderii acestei pie\u021be), era o coad\u0103 solid\u0103 pentru multe luni \u00eenainte. Pe fondul tuturor acestei informa\u021bii, activitatea gigantilor tehnologici \u00een acest sector pare tot mai interesant\u0103. <\/p>\n<p>Pozi\u021bia oficial\u0103 a tuturor companiilor IT mari este: asigurarea conectivit\u0103\u021bii (independen\u021bei de re\u021belele generale) a centrelor lor de date. Iat\u0103 cum arat\u0103 h\u0103r\u021bile subacvatice ale diferitelor actori de pe pia\u021b\u0103 conform datelor <noindex><a rel=\"nofollow\" href=\"https:\/\/submarine-cable-map-2019.telegeography.com\/\">telegeography.com<\/a><\/noindex>:<\/p>\n<p><img decoding=\"async\" alt=\"\u0218tiri de pe fund: gigantii IT au \u00eenceput s\u0103 construiasc\u0103 activ re\u021bele submarine proprii\" src=\"\/wp-content\/uploads\/2019\/04\/eb6e63086d2ad42be01292c038b629e7.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"\u0218tiri de pe fund: gigantii IT au \u00eenceput s\u0103 construiasc\u0103 activ re\u021bele submarine proprii\" src=\"\/wp-content\/uploads\/2019\/04\/34adf8513552802f11d0f0d965b17635.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"\u0218tiri de pe fund: gigantii IT au \u00eenceput s\u0103 construiasc\u0103 activ re\u021bele submarine proprii\" src=\"\/wp-content\/uploads\/2019\/04\/48ce35212bb9200f00c4a6b6a34c90f2.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"\u0218tiri de pe fund: gigantii IT au \u00eenceput s\u0103 construiasc\u0103 activ re\u021bele submarine proprii\" src=\"\/wp-content\/uploads\/2019\/04\/09012cfe7aab001033e326c49ee86e3c.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDup\u0103 cum se poate observa pe h\u0103r\u021bi, cele mai impresionante apetituri nu sunt la Google sau Amazon, ci la Facebook, care a \u00eencetat demult s\u0103 fie \u201edoar o re\u021bea social\u0103\u201d. De asemenea, se observ\u0103 un interes evident din partea tuturor juc\u0103torilor mari pentru regiunea Asia-Pacific, iar Microsoft este singurul care \u00eenc\u0103 tinde spre Vechiul continent. Dac\u0103 ar fi s\u0103 num\u0103r\u0103m simplu magistralele men\u021bionate, am putea afla c\u0103 doar acest grup de patru companii sunt co-proprietari sau proprietari comple\u021bi ai 25 de linii magistrale deja construite sau planificate pentru construc\u021bie, majoritatea dintre ele fiind \u00eendreptate spre Japonia, China \u0219i \u00eentreaga Asie de Sud-Est. \u00cen aceast\u0103 statistic\u0103 am men\u021bionat doar grupul anterior de gigan\u021bi IT, iar \u00een afar\u0103 de ei, Alcatel, NEC, Huawei \u0219i Subcom construiesc activ propriile re\u021bele. <\/p>\n<p>\u00cen general, num\u0103rul magistralelor transcontinentale private sau cu participarea capitalului privat a crescut semnificativ din 2014 - de la momentul \u00een care Google a anun\u021bat conexiunea men\u021bionat\u0103 anterior a centrului s\u0103u de date din SUA cu centrul de date din Japonia:<\/p>\n<p><img decoding=\"async\" alt=\"\u0218tiri de pe fund: gigantii IT au \u00eenceput s\u0103 construiasc\u0103 activ re\u021bele submarine proprii\" src=\"\/wp-content\/uploads\/2019\/04\/a43529cea601c6991d8d45e20cb93ad7.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPractic, motiva\u021bia \u201evrem s\u0103 conect\u0103m centrele noastre de date\u201d este insuficient\u0103: este pu\u021bin probabil c\u0103 firmele au nevoie de conectare doar de dragul conect\u0103rii. Mai degrab\u0103, acestea doresc s\u0103 izoleze informa\u021biile transmise \u0219i s\u0103 \u00ee\u0219i securizeze infrastructura intern\u0103. <\/p>\n<p>Dac\u0103 am lua o p\u0103l\u0103rie din folie din sertar, am putea formula o ipotez\u0103 foarte \u0219i foarte prudent\u0103 \u00een felul urm\u0103tor: acum asist\u0103m la apari\u021bia unei noi forme de internet, \u00een esen\u021b\u0103, a unei re\u021bele corporative globale. Dac\u0103 ne amintim c\u0103 Amazon, Google, Facebook \u0219i Microsoft reprezint\u0103 cel pu\u021bin jum\u0103tate din consumul global de trafic (hostingul Amazon, c\u0103utarea \u0219i serviciile Google, re\u021belele sociale Facebook \u0219i Instagram \u0219i desktopurile gestionate de Windows de la Microsoft), atunci ar trebui s\u0103 ie\u0219im deja cu a doua p\u0103l\u0103rie. Pentru c\u0103 \u00een teorie, \u00een teoria foarte vag\u0103, dac\u0103 proiecte precum Google Fiber (acela \u00een care Google a \u00eencercat s\u0103 se prezinte ca furnizor pentru popula\u021bie) vor ap\u0103rea \u00een regiuni, acum asist\u0103m la na\u0219terea celui de-al doilea internet, care coexista \u00een prezent \u00eempreun\u0103 cu cel deja construit. C\u00e2t de distopic \u0219i absurd este acest lucru - decide\u021bi voi \u00een\u0219iv\u0103.<\/p>\n<p class=\"for_users_only_msg\">Numai utilizatorii \u00eenregistra\u021bi pot participa la sondaj. <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/auth\/login\/\">Conecta\u021bi-v\u0103<\/a><\/noindex>, v\u0103 rug\u0103m.<\/p>\n<h2 class=\"default-block__polling-title\">Ce p\u0103rere ave\u021bi, seam\u0103n\u0103 acesta \u00eentr-adev\u0103r cu construirea unui \u201einternet paralel\u201d sau suntem pur \u0219i simplu paranoici?<\/h2>\n<ul class=\"content-list content-list_polling\">\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Da, seam\u0103n\u0103.<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Nu, au nevoie doar de o conexiune stabil\u0103 \u00eentre centrele de date \u0219i nu exist\u0103 nici o amenin\u021bare aici.<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Cu siguran\u021b\u0103 ai nevoie de o p\u0103l\u0103rie din folie mai pu\u021bin str\u00e2ns\u0103, asta te apas\u0103 pe creier.<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Varianta ta \u00een comentarii.<\/p>\n<\/li>\n<\/ul>\n<p>    22 de utilizatori au votat. 2 utilizatori s-au ab\u021binut.<br \/>\n<br \/>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/itsumma\/blog\/446750\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041c\u044b \u0443\u0436\u0435 \u0434\u0430\u0432\u043d\u043e \u043f\u0440\u0438\u0432\u044b\u043a\u043b\u0438, \u0447\u0442\u043e \u043a\u0440\u0443\u043f\u043d\u044b\u0435 IT-\u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0442\u0441\u044f \u043d\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0432\u044b\u043f\u0443\u0441\u043a\u043e\u043c \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 \u0438 \u043e\u043a\u0430\u0437\u0430\u043d\u0438\u0435\u043c \u0443\u0441\u043b\u0443\u0433, \u043d\u043e \u0438 \u0430\u043a\u0442\u0438\u0432\u043d\u043e \u0443\u0447\u0430\u0441\u0442\u0432\u0443\u044e\u0442 \u0432 \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0438 \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442-\u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b. DNS \u043e\u0442 Google, \u043e\u0431\u043b\u0430\u0447\u043d\u044b\u0435 \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0430 \u0438 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 Amazon, \u0434\u0430\u0442\u0430-\u0446\u0435\u043d\u0442\u0440\u044b Facebook \u043f\u043e \u0432\u0441\u0435\u043c\u0443 \u043c\u0438\u0440\u0443 \u2014 \u043f\u044f\u0442\u043d\u0430\u0434\u0446\u0430\u0442\u044c \u043b\u0435\u0442 \u043d\u0430\u0437\u0430\u0434 \u044d\u0442\u043e \u043a\u0430\u0437\u0430\u043b\u043e\u0441\u044c \u0441\u043b\u0438\u0448\u043a\u043e\u043c \u0430\u043c\u0431\u0438\u0446\u0438\u043e\u0437\u043d\u044b\u043c, \u0430 \u0441\u0435\u0439\u0447\u0430\u0441 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u043e\u0440\u043c\u043e\u0439, \u043a \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0432\u0441\u0435 \u043f\u0440\u0438\u0432\u044b\u043a\u043b\u0438. \u0418 \u0432\u043e\u0442, \u0447\u0435\u0442\u0432\u0435\u0440\u043a\u0430 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