{"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\/sl\/blog\/administrirovanie\/vesti-so-dna-it-giganty-nachali-aktivno-stroit-sobstvennye-podvodnye-magistralnye-seti","title":{"rendered":"Novice z dna: IT velikani so za\u010deli aktivno graditi lastne podvodne magistralne omre\u017eja","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u017de dolgo smo navajeni, da velike IT-podjetja ne le proizvajajo izdelke in nudijo storitve, temve\u010d tudi aktivno sodelujejo pri razvoju internetne infrastrukture. DNS Google, obla\u010dne shrambne storitve in gostovanje Amazon, podatkovni centri Facebook po vsem svetu \u2014 pred petnajstimi leti se je to zdelo preambiciozno, zdaj pa je postalo norma, na katero smo se vsi navadili. <\/p>\n<p>In tako je \u010detverica najve\u010djih IT-podjetij v osebi Amazon, Google, Microsoft in Facebook prispela do to\u010dke, kjer nalo\u017eujejo ne le v podatkovne centre in stre\u017enike, ampak tudi v same magistralne kable \u2014 torej so stopili na ozemlje, ki je tradicionalno veljalo za odgovornost povsem drugih struktur. Glede na ugotovitve <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\/\">v blogu APNIC<\/a><\/noindex>, omenjena \u010detverica tehnolo\u0161kih velikanov cilja ne le na zemeljske mre\u017ee, temve\u010d tudi na magistralne transkontinentalne komunikacijske linije, torej na nam znane podvodne kable. <\/p>\n<p><img decoding=\"async\" alt=\"Novice z dna: IT velikani so za\u010deli aktivno graditi lastne podvodne magistralne omre\u017eja\" src=\"\/wp-content\/uploads\/2019\/04\/b98108dad0067d5cb401081c33080750.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNajbolj presenetljivo je, da trenutno ni nujne potrebe po novih omre\u017ejih, vendar podjetja aktivno pove\u010dujejo kapaciteto \u201eza rezervo\u201c. Na \u017ealost je skoraj nemogo\u010de najti jasne statistike o svetovni generaciji prometa zaradi \u0161tevilnih tr\u017enikov, ki delujejo z dimenzijami, kot so \u201e65 milijonov objav na Instagramu dnevno\u201c ali \u201eN iskanj v Googlu\u201c namesto preglednih in jasnih petabajtov za tehni\u010dne strokovnjake. Z zmernimi domnevami lahko sklepamo, da je dnevni promet \u22482,5*10^18 bajtov ali okoli 2500 petabajtov podatkov. <br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nEden od razlogov, zakaj se sodobna magistralna omre\u017eja morajo \u0161iriti, je nara\u0161\u010dajo\u010da priljubljenost streaming storitve Netflix in hkraten porast mobilnega segmenta. Kljub splo\u0161nemu trendu pove\u010devanja vizualne komponente video vsebin glede na resolucijo in bitno hitrost, kot tudi pove\u010danje porabe mobilnega prometa na uporabnika (ob splo\u0161nem upo\u010dasnjenju prodaje mobilnih naprav po vsem svetu), magistralna omre\u017eja \u0161e vedno ne moremo ozna\u010diti kot prenatrpana. <\/p>\n<p>Oglejmo si <noindex><a rel=\"nofollow\" href=\"https:\/\/www.submarinecablemap.com\/\">zemljevide podvodnega interneta Google<\/a><\/noindex>: <\/p>\n<p><img decoding=\"async\" alt=\"Novice z dna: IT velikani so za\u010deli aktivno graditi lastne podvodne magistralne omre\u017eja\" src=\"\/wp-content\/uploads\/2019\/04\/f7524e91811a0239c7a1a98df11e8aae.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nVizualno je te\u0161ko proceniti koliko novih trasa je postavljeno, a sam servis se a\u017eurira gotovo svakodnevno, ne pru\u017eaju\u0107i jasnu istoriju promena ili bilo kakve druge objedinjene statisti\u010dke podatke. Stoga se oslonimo na starije izvore. 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 u 2014. godini iznosila je oko 58 Tbit\/s, od kojih je zapravo kori\u0161\u0107eno samo 24 Tbit\/s:<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habrastorage.org\/webt\/hk\/qn\/jd\/hkqnjdhh0mtpnvlgq2ijvr50gy4.png\"><img decoding=\"async\" alt=\"Novice z dna: IT velikani so za\u010deli aktivno graditi lastne podvodne magistralne omre\u017eja\" src=\"\/wp-content\/uploads\/2019\/04\/598b322d4c675ca120e3fbeadabcfb1f.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/p>\n<p>Za one koji ljutito razgibavaju prste i pripremaju se da napi\u0161u: \u201eNe verujem! Previ\u0161e malo!\u201d, podse\u0107amo da se radi o <b>me\u0111ukontinentalnom saobra\u0107aju<\/b>, tj. on je po definiciji mnogo manji nego unutar odre\u0111enog regiona, budu\u0107i da kvantnu teleportaciju jo\u0161 nismo savladali i od pinga od 300-400 ms se ne mo\u017eemo sakriti. <\/p>\n<p>U 2015. godini napravljen je prognoza da \u0107e od 2016. do 2020. godine biti postavljeno ukupno jo\u0161 400.000 km magistralnih kablova po dnu okeana, \u0161to \u0107e zna\u010dajno pove\u0107ati propusnost svetske mre\u017ee. <\/p>\n<p>Me\u0111utim, ako se oslonimo na statistiku prikazanu na gornjoj karti, konkretno o 26 Tbit\/s optere\u0107enja pri ukupnom kanalu od 58 Tbit\/s, postavljaju se razumna pitanja: za\u0161to i kako? <\/p>\n<p>Prvo, IT- giganti su se anga\u017eovali na postavljanju vlastitih magistralnih mre\u017ea zbog pove\u0107anja povezanosti elemenata unutra\u0161nje infrastrukture kompanija na razli\u010ditim kontinentima. Tokom skoro polusekunde pinga izme\u0111u dve suprotne ta\u010dke na Zemlji, IT kompanije su primorane da se stvore inovativni na\u010dini za obezbe\u0111ivanje stabilnosti rada svog \u201esistema\u201c. Najistaknutiji su ovi problemi za Google i Amazon; prvi su po\u010deli da postavljaju svoje mre\u017ee jo\u0161 2014. godine, kada su odlu\u010dili da \u201epove\u017eu\u201c kabl izme\u0111u isto\u010dne obale SAD-a i Japana kako bi povezali svoje data centre, o \u010demu <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/228287\/\">se tada pisalo na Habr\u00e9<\/a><\/noindex>. Samo za povezivanje dva odvojena data centra, pretra\u017eiva\u010dki gigant je bio spreman da potro\u0161i $300 miliona i postavi oko 10.000 kilometara kabela po dnu Tiho okeana. <\/p>\n<p>\u010ce kdo ni vedel ali pozabil, podvodna kabelska ugradnja predstavlja izziv vi\u0161je zapletenosti, ki se za\u010dne s potopitvijo oja\u010danih konstrukcij s premerom do pol metra v obalnih obmo\u010djih in kon\u010da z neskon\u010dnim terenskim raziskovanjem za ugradnjo glavnega dela avtoceste na globini ve\u010d kilometrov. Ko gre za Tihooceanske vode, se zapletenost pove\u010duje sorazmerno z globino in \u0161tevilom gorskih verig na oceanskem dnu. Za tak\u0161na dela so potrebna specializirana plovila, posebej usposobljena ekipa strokovnjakov in v bistvu ve\u010d let intenzivnega dela, \u010de upo\u0161tevamo ugradnjo od faze na\u010drtovanja in raziskav do samega kon\u010dnega vklopa odseka omre\u017eja v obratovanje. Poleg tega lahko dodamo usklajevanje del in gradnjo vmesnih postaj na obali z lokalnimi oblastmi, delo z ekologisti, ki skrbijo za ohranjanje najbolj naseljenih obalnih linij (globina &lt;200 m) in tako naprej. <\/p>\n<p>Morda so bila v zadnjih letih v uporabo uvedena nova plovila, a \u0161e pred petimi leti je bila na glavne kabelske ugradnje podjetja Huawei (ja, kitajsko podjetje je eden vodilnih v tem sektorju) velika \u010dakalna vrsta za ve\u010d mesecev vnaprej. Vse te informacije postavljajo aktivnosti tehnolo\u0161kih gigantov v tem segmentu v \u0161e bolj zanimivo svetlobo. <\/p>\n<p>Uradni polo\u017eaj vseh velikih IT podjetij: zagotavljanje povezljivosti (neodvisnosti od skupnih omre\u017eij) njihovih podatkovnih centrov. A tako pa\u010d izgledajo podvodne karte razli\u010dnih igralcev na trgu, v skladu z podatki <noindex><a rel=\"nofollow\" href=\"https:\/\/submarine-cable-map-2019.telegeography.com\/\">telegeography.com<\/a><\/noindex>:<\/p>\n<p><img decoding=\"async\" alt=\"Novice z dna: IT velikani so za\u010deli aktivno graditi lastne podvodne magistralne omre\u017eja\" src=\"\/wp-content\/uploads\/2019\/04\/eb6e63086d2ad42be01292c038b629e7.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Novice z dna: IT velikani so za\u010deli aktivno graditi lastne podvodne magistralne omre\u017eja\" src=\"\/wp-content\/uploads\/2019\/04\/34adf8513552802f11d0f0d965b17635.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Novice z dna: IT velikani so za\u010deli aktivno graditi lastne podvodne magistralne omre\u017eja\" src=\"\/wp-content\/uploads\/2019\/04\/48ce35212bb9200f00c4a6b6a34c90f2.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Novice z dna: IT velikani so za\u010deli aktivno graditi lastne podvodne magistralne omre\u017eja\" src=\"\/wp-content\/uploads\/2019\/04\/09012cfe7aab001033e326c49ee86e3c.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nKot je razvidno iz kart, so najizrazitej\u0161i apetiti pri Facebooku, ki \u017ee dolgo ni ve\u010d 'le' dru\u017ebeno omre\u017eje, ne pa pri Googlu ali Amazonu. Prav tako je o\u010ditno, da vsi veliki igralci izkazujejo zanimanje za azijsko-pacifi\u0161ki prostor, medtem ko se Microsoft \u0161e vedno osredoto\u010da na Staro celino. \u010ce se enostavno\u0161teje ozna\u010dene mednarodne povezave, lahko ugotovimo, da sta samo ta kvartet podjetij lastnika ali celo lastnika 25 \u017ee zgrajenih ali dokon\u010dno na\u010drtovanih mednarodnih povezav, ve\u010dina katerih vodi proti Japonski, Kitajski in celotni Jugovzhodni Aziji. Ob tem navajamo le statistiko o prej omenjenih \u0161tirih IT velikanih, poleg njih pa aktivno gradijo svoje omre\u017eje \u0161e Alcatel, NEC, Huawei in Subcom. <\/p>\n<p>Na splo\u0161no se je \u0161tevilo transkontinentalnih povezav, bodisi zasebnih bodisi v sodelovanju s privatnim kapitalom, od leta 2014 znatno pove\u010dalo \u2014 od trenutka, ko je Google napovedal prej omenjeno povezavo svojega podatkovnega centra v ZDA s podatkovnim centrom na Japonskem:<\/p>\n<p><img decoding=\"async\" alt=\"Novice z dna: IT velikani so za\u010deli aktivno graditi lastne podvodne magistralne omre\u017eja\" src=\"\/wp-content\/uploads\/2019\/04\/a43529cea601c6991d8d45e20cb93ad7.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nMotivacija '\u017eelimo povezati na\u0161e podatkovne centre' sama po sebi ni zadostna: malo verjetno je, da si podjetja \u017eelijo povezovanja zgolj zaradi povezovanja. Verjetneje je, da \u017eelijo izolirati prenesene informacije in za\u0161\u010dititi svojo notranjo infrastrukturo. <\/p>\n<p>\u010ce pa iz predala izvle\u010dete folijsko kapico, jo raztegnite in mo\u010dneje nataknite, lahko oblikujete zelo in zelo previdno hipotezo naslednjega na\u010drta: trenutno smo pri\u010da nastajanju interneta nove formacije, v bistvu svetovne korporativne mre\u017ee. \u010ce pomislimo, da Amazon, Google, Facebook in Microsoft predstavljajo najmanj polovico svetovne porabe prometa (gostovanje Amazon, iskanje in storitve Google, dru\u017ebena omre\u017eja Facebook in Instagram ter namizni ra\u010dunalniki pod nadzorom Windows od Microsofta), potem je potrebno privzeti \u0161e drugo kapico. Ker v teoriji, v zelo zamegljeni teoriji, \u010de projekti, kot je Google Fiber (tisti, v katerem je Google posku\u0161al biti ponudnik za prebivalstvo), za\u010denjajo nastajati v regijah, potem smo pri\u010da rojstvu drugega interneta, ki za zdaj sobiva skupaj z \u017ee zgrajenim. Kako utopi\u010dno in absurdno je to \u2014 presodite sami.<\/p>\n<p class=\"for_users_only_msg\">Samo registrovani korisnici mogu u\u010destvovati u anketi. <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/auth\/login\/\">Prijavite se<\/a><\/noindex>, molim vas.<\/p>\n<h2 class=\"default-block__polling-title\">Kaj menite, ali to dejansko spominja na gradnjo 'paralelnega interneta' ali smo le domi\u0161ljavi?<\/h2>\n<ul class=\"content-list content-list_polling\">\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Da, res je videti tako.<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Ne, potrebna je stabilna povezava med podatkovnimi centri in tukaj ni gro\u017eenj.<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Definitivno potrebujete manj tesno folijsko pokrivalo, ta preve\u010d pritiska na mo\u017egane.<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Svoje mnenje delite v komentarjih.<\/p>\n<\/li>\n<\/ul>\n<p>    22 uporabnikov je glasovalo. 2 uporabnika sta se vzdr\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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