{"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\/hr\/blog\/administrirovanie\/vesti-so-dna-it-giganty-nachali-aktivno-stroit-sobstvennye-podvodnye-magistralnye-seti","title":{"rendered":"Vijesti s dna: IT divovi po\u010deli aktivno graditi vlastite podvodne mre\u017ee","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ve\u0107 smo se navikli na to da velike IT tvrtke ne rade samo na razvoju proizvoda i pru\u017eanju usluga, ve\u0107 aktivno sudjeluju u razvoju internetske infrastrukture. Googleov DNS, oblaka pohrane i Amazonov hosting, Facebookovi podatkovni centri \u0161irom svijeta \u2014 prije petnaest godina to se \u010dinilo preambiciozno, a danas je to norma na koju smo svi navikli. <\/p>\n<p>I tako su \u010detiri najve\u0107e IT tvrtke u liku Amazona, Googlea, Microsofta i Facebooka do\u0161le do toga da su po\u010dele ulagati ne samo u podatkovne centre i poslu\u017eitelje, ve\u0107 i u same glavne kabele \u2014 to jest u podru\u010dje koje je tradicionalno pripadalo potpuno drugim strukturama. \u0160tovi\u0161e, sude\u0107i prema zaklju\u010dcima <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\/\">na APNIC blogu<\/a><\/noindex>, spomenuti kvartet tehnolo\u0161kih divova ne cilja samo na kopnene mre\u017ee, ve\u0107 na me\u0111ukontinentalne glavne komunikacijske linije, tj. na dobro poznate podmorske kabele. <\/p>\n<p><img decoding=\"async\" alt=\"Vijesti s dna: IT divovi po\u010deli aktivno graditi vlastite podvodne mre\u017ee\" src=\"\/wp-content\/uploads\/2019\/04\/b98108dad0067d5cb401081c33080750.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNajiznena\u0111uju\u0107e je da trenutno nema hitne potrebe za novim mre\u017eama, ali tvrtke aktivno pove\u0107avaju propusnost \"za svaki slu\u010daj\". Na\u017ealost, gotovo je nemogu\u0107e prona\u0107i jasnu statistiku o globalnoj generaciji prometa zbog brojnih marketin\u0161kih stru\u010dnjaka koji se slu\u017ee mjerama poput \"65 milijuna objava na Instagramu dnevno\" ili \"N pretra\u017eivanja na Googleu\" umjesto transparentnih i razumljivih tehni\u010dkim stru\u010dnjacima petabajta. Mo\u017ee se oprezno pretpostaviti da dnevni promet iznosi \u22482,5*10^18 bajtova ili oko 2500 petabajta podataka. <br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nJedan od razloga za\u0161to se moderne glavne mre\u017ee moraju pro\u0161iriti je rast popularnosti streaming servisa Netflix i paralelni rast mobilnog segmenta. Uz op\u0107i trend pove\u0107anja vizualne komponente video sadr\u017eaja u pogledu rezolucije i bitratea, kao i pove\u0107anje potro\u0161nje mobilnog prometa od strane pojedinog korisnika (u kontekstu op\u0107eg usporavanja prodaje mobilnih ure\u0111aja \u0161irom svijeta), glavne mre\u017ee se jo\u0161 uvijek ne mogu smatrati preoptere\u0107enima. <\/p>\n<p>Pogledajmo <noindex><a rel=\"nofollow\" href=\"https:\/\/www.submarinecablemap.com\/\">kartu podmorskog interneta od Googlea<\/a><\/noindex>: <\/p>\n<p><img decoding=\"async\" alt=\"Vijesti s dna: IT divovi po\u010deli aktivno graditi vlastite podvodne mre\u017ee\" src=\"\/wp-content\/uploads\/2019\/04\/f7524e91811a0239c7a1a98df11e8aae.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nVizualno je te\u0161ko odrediti koliko je novih trasa postavljeno, a sama usluga se a\u017eurira gotovo svakodnevno, ne pru\u017eaju\u0107i pritom jasnu povijest izmjena ili bilo kakve druge objedinjene statisti\u010dke podatke. Stoga \u0107emo se obratiti starijim izvorima. Prema informacijama ve\u0107 <noindex><a rel=\"nofollow\" href=\"http:\/\/www.visualcapitalist.com\/wp-content\/uploads\/2017\/08\/cable-map-full.jpg\">na ovoj karti (50 Mb !!!)<\/a><\/noindex>, propusnost postoje\u0107ih me\u0111ukontinentalnih magistralnih mre\u017ea 2014. godine iznosila je oko 58 Tb\/s od kojih je zapravo kori\u0161teno samo 24 Tb\/s:<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habrastorage.org\/webt\/hk\/qn\/jd\/hkqnjdhh0mtpnvlgq2ijvr50gy4.png\"><img decoding=\"async\" alt=\"Vijesti s dna: IT divovi po\u010deli aktivno graditi vlastite podvodne mre\u017ee\" src=\"\/wp-content\/uploads\/2019\/04\/598b322d4c675ca120e3fbeadabcfb1f.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/p>\n<p>Za one koji bijesno savijaju prste i pripremaju se napisati: \u201eNe vjerujem! Previ\u0161e malo!\u201c, podsje\u0107amo da se radi o <b>me\u0111ukontinentalnom prometu<\/b>, \u0161to zna\u010di da je on apriorno mnogo ni\u017ei nego unutar konkretne regije, jer kvantnu teleportaciju jo\u0161 nismo ovladali, a od pinga od 300-400 ms se ne mo\u017eemo skloniti. <\/p>\n<p>Godine 2015. napravljen je povijesni pregled koji o\u010dekuje da \u0107e se izme\u0111u 2016. i 2020. godine kroz dno oceana postaviti ukupno jo\u0161 400.000 km magistralnih kablova, \u0161to \u0107e zna\u010dajno pove\u0107ati propusnost svjetske mre\u017ee. <\/p>\n<p>Me\u0111utim, ako se oslonimo na statistiku navedenu na karti iznad, konkretno o 26 Tb\/s optere\u0107enja pri ukupnom kanalu od 58 Tb\/s, postavljaju se opravdana pitanja: za\u0161to i kako? <\/p>\n<p>Prvo, IT-giganti su se posvetili izgradnji vlastitih magistralnih mre\u017ea radi pove\u0107anja povezanosti elemenata unutarnje infrastrukture kompanija na razli\u010ditim kontinentima. Upravo zbog ranije spomenutog pinga od skoro pola sekunde izme\u0111u dvije suprotne to\u010dke na Zemlji, IT kompanije moraju smi\u0161ljati na\u010dine za osiguranje stabilnosti rada svoja \u201egospodarstva\u201c. Ova pitanja najvi\u0161e su \u017eestoko postavljena pred Googleom i Amazonom; prvi su zapo\u010deli izgradnju vlastitih mre\u017ea jo\u0161 2014. godine, kada su odlu\u010dili \u201eprovo\u0111enjem\u201c kabela izme\u0111u isto\u010dne obale SAD-a i Japana povezati svoje data centre, o \u010demu <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/228287\/\">su tada pisali na Habru<\/a><\/noindex>. Samo za povezivanje dva posebna data centra, pretra\u017eiva\u010dki gigant bio je spreman potro\u0161iti 300 milijuna dolara i provu\u0107i oko 10.000 kilometara kabela kroz dno Tihog oceana. <\/p>\n<p>Ako netko nije znao ili zaboravio, podvodno postavljanje kabela je zadatak pove\u0107ane slo\u017eenosti, po\u010dev\u0161i od uranjanja oja\u010danih konstrukcija promjera do pola metra u priobalnim podru\u010djima, pa sve do beskrajne terenske eksploracije za postavljanje glavnog dijela magistrale na dubinama od nekoliko kilometara. Kada je rije\u010d o Tihom oceanu, slo\u017eenost se proporcionalno pove\u0107ava s dubinom i brojem planinskih lanaca na oceanskom dnu. Za takve aktivnosti potrebna su specijalizirana plovila, posebno obu\u010deni tim stru\u010dnjaka i, u biti, nekoliko godina napornog rada, kada se razmatra postavljanje od faze projektiranja i istra\u017eivanja do kona\u010dnog pu\u0161tanja u rad dijela mre\u017ee. Osim toga, mo\u017ee se dodati uskla\u0111ivanje radova i izgradnja repetitorskih stanica na obali s lokalnim vlastima, rad s ekolozima koji prate o\u010duvanje najnaseljenijih obalnih linija (dubina &lt;200 m) i sli\u010dno. <\/p>\n<p>Mogu\u0107e je da su se u posljednjih nekoliko godina u uporabi pojavila nova plovila, ali prije pet godina na glavnim kabelskim brodovima iste Huawei (da, kineska tvrtka je jedan od lidera na ovom tr\u017ei\u0161tu) bila je solidna lista \u010dekanja koja je trajala mjesecima. U svjetlu svih tih informacija, aktivnost tehnolo\u0161kih divova u ovom segmentu izgleda sve zanimljivije. <\/p>\n<p>Slu\u017ebena pozicija svih velikih IT tvrtki: osiguranje povezanosti (neovisnosti od op\u0107ih mre\u017ea) njihovih podatkovnih centara. A ovako izgledaju podvodne karte razli\u010ditih igra\u010da na tr\u017ei\u0161tu prema podacima <noindex><a rel=\"nofollow\" href=\"https:\/\/submarine-cable-map-2019.telegeography.com\/\">telegeography.com<\/a><\/noindex>:<\/p>\n<p><img decoding=\"async\" alt=\"Vijesti s dna: IT divovi po\u010deli aktivno graditi vlastite podvodne mre\u017ee\" src=\"\/wp-content\/uploads\/2019\/04\/eb6e63086d2ad42be01292c038b629e7.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Vijesti s dna: IT divovi po\u010deli aktivno graditi vlastite podvodne mre\u017ee\" src=\"\/wp-content\/uploads\/2019\/04\/34adf8513552802f11d0f0d965b17635.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Vijesti s dna: IT divovi po\u010deli aktivno graditi vlastite podvodne mre\u017ee\" src=\"\/wp-content\/uploads\/2019\/04\/48ce35212bb9200f00c4a6b6a34c90f2.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Vijesti s dna: IT divovi po\u010deli aktivno graditi vlastite podvodne mre\u017ee\" src=\"\/wp-content\/uploads\/2019\/04\/09012cfe7aab001033e326c49ee86e3c.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nKao \u0161to se mo\u017ee vidjeti na kartama, najimpresivnije apetiti nisu kod Googlea ili Amazona, ve\u0107 kod Facebooka, koji je odavno prestao biti \"samo dru\u0161tvena mre\u017ea\". Tako\u0111er se mo\u017ee primijetiti o\u010diti interes svih velikih igra\u010da za azijsko-pacifi\u010dku regiju, dok se Microsoft jo\u0161 uvijek dr\u017ei Starog svijeta. Ako jednostavno izbrojimo ozna\u010dene magistrale, mo\u017eemo saznati da su samo ova \u010detvorka kompanija suvlasnici ili potpuno vlasnici 25 ve\u0107 izgra\u0111enih ili kona\u010dno planiranih magistralnih linija, od kojih se ve\u0107ina prote\u017ee prema Japanu, Kini i cijeloj Jugoslovenskoj Aziji. Pri tome navodimo samo statistiku o ranije spomenutoj \u010detvorici IT divova, dok Alcatel, NEC, Huawei i Subcom aktivno grade vlastite mre\u017ee. <\/p>\n<p>Op\u0107enito, broj privatnih ili uz sudjelovanje privatnog kapitala transkontinentalnih magistrala znatno je porastao od 2014. godine \u2014 od trenutka kada je Google najavio ranije spomenutu vezu svog podatkovnog centra u SAD-u s podatkovnim centrom u Japanu:<\/p>\n<p><img decoding=\"async\" alt=\"Vijesti s dna: IT divovi po\u010deli aktivno graditi vlastite podvodne mre\u017ee\" src=\"\/wp-content\/uploads\/2019\/04\/a43529cea601c6991d8d45e20cb93ad7.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nU osnovi, motivacija \"\u017eelimo povezati na\u0161e podatkovne centre\" nije dovoljna: malo je vjerojatno da tvrtkama treba povezivanje radi povezivanja. Radije, \u017eele izolirati prenesene informacije i osigurati vlastitu unutarnju infrastrukturu. <\/p>\n<p>Ako izvadimo iz ladice \u0161e\u0161ir od aluminijske folije, ra\u0161irimo ga i zategnemo, mo\u017eemo formirati vrlo i vrlo opreznu hipotezu ovog plana: sada svjedo\u010dimo ra\u0111anju interneta nove formacije, u su\u0161tini, svjetske korporativne mre\u017ee. Ako se prisjetimo da Amazon, Google, Facebook i Microsoft \u010dine minimalno polovicu svjetske potro\u0161nje prometa (hosting Amazon, pretra\u017eivanje i usluge Googlea, dru\u0161tvene mre\u017ee Facebook i Instagram te radne povr\u0161ine pod upravom Windowsa od Microsofta), onda treba izvaditi ve\u0107 drugi \u0161e\u0161ir. Jer u teoriji, u vrlo maglovitoj teoriji, ako projekti poput Google Fibera (to je onaj u kojem je Google poku\u0161ao biti pru\u017eatelj usluga za stanovni\u0161tvo) budu se pojavljivali u regijama, sada svjedo\u010dimo ra\u0111anju drugog interneta koji trenutno su-existira s ve\u0107 izgra\u0111enim. Koliko je to distopi\u010dno i besmisleno \u2014 odlu\u010dujte sami.<\/p>\n<p class=\"for_users_only_msg\">Samo registrirani korisnici mogu sudjelovati u anketi. <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/auth\/login\/\">Prijavite se<\/a><\/noindex>, molimo.<\/p>\n<h2 class=\"default-block__polling-title\">Kako vi mislite, da li to zaista li\u010di na izgradnju \"paralelnog interneta\" ili smo samo preosjetljivi?<\/h2>\n<ul class=\"content-list content-list_polling\">\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Da, izgleda.<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Ne, njima jednostavno treba stabilna veza izme\u0111u podatkovnih centara i ovdje nema prijetnji.<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Definitivno vam treba manje \u010dvrsta aluminijska kapa, ova previ\u0161e pritisne na mozak.<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Va\u0161a verzija u komentarima.<\/p>\n<\/li>\n<\/ul>\n<p>    Glasalo je 22 korisnika. 2 su se suzdr\u017eala.<br \/>\n<br \/>Izvor: <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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