{"id":54614,"date":"2019-12-30T00:00:00","date_gmt":"2019-12-29T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/internet-na-vozdushnyh-sharah"},"modified":"2020-02-18T14:02:39","modified_gmt":"2020-02-18T11:02:39","slug":"internet-na-vozdushnyh-sharah","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/administrirovanie\/internet-na-vozdushnyh-sharah","title":{"rendered":"Internet na zra\u010dnim balonima","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Internet na zra\u010dnim balonima\" src=\"\/wp-content\/uploads\/2019\/12\/5b018ce9c9ddce81b66f9f5e57bfe06c.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Godine 2014. ruralna \u0161kola na periferiji Campu Maior u Brazilu povezana je na internet. Uobi\u010dajen doga\u0111aj, da nije bilo jednog \u201eali\u201c. Povezivanje je ostvareno putem stratosferskog balona. Ovaj doga\u0111aj postao je prvi uspjeh ambicioznog projekta <noindex><a rel=\"nofollow\" href=\"https:\/\/loon.com\/\">Project Loon<\/a><\/noindex>, podru\u017enice tvrtke Alphabet. Ve\u0107 nakon 5 godina, vlade zemalja pogo\u0111enih razornim uraganima i potresima obra\u0107aju se Loonu s slu\u017ebenim zahtjevom za pomo\u0107 u osiguravanju internetske povezanosti. Cloud4Y obja\u0161njava kako je \u201eobla\u010dna povezanost\u201c od Googlea postala stvarnost.<\/i><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p>Project Loon zanimljiv je jer nudi rje\u0161enje za problem internetske povezanosti u regijama koje su nekim razlogom odvojene od civilizacije i globalnog ekonomskog sustava. To ne mora nu\u017eno biti rezultat prirodne nepogode. Problem mo\u017ee biti u geografskoj udaljenosti ili nelagodnoj konfiguraciji regije. Kako god bilo, ako osoba ima pametni telefon, mo\u0107i \u0107e se povezati na mre\u017eu zahvaljuju\u0107i balonima koje je dizajnirao Loon.<\/p>\n<p>Kvaliteta veze tako\u0111er je na visokom nivou. U velja\u010di 2016. Google je objavio postizanje stabilne laserske veze izme\u0111u dva balona na udaljenosti od 62 milje (100 km). Veza je bila stabilna tijekom mnogih sati, danju i no\u0107u, a zabilje\u017eena je brzina prijenosa podataka od 155 Mb\/s. <\/p>\n<h2>Kako to funkcionira<\/h2>\n<p><img decoding=\"async\" alt=\"Internet na zra\u010dnim balonima\" src=\"\/wp-content\/uploads\/2019\/12\/e687bf02a18251b976c84c99d15d6762.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nIdeja se mo\u017ee \u010diniti jednostavnom. Loon je uzeo najva\u017enije komponente bazne stanice i redizajnirao ih tako da se mogu transportirati balonom na visini od 20 km. To je zna\u010dajno iznad aviona, divljih \u017eivotinja i vremenskih pojava. A time i sigurnije. Loonovi baloni mogu izdr\u017eati te\u0161ke uvjete u stratosferi, gdje brzina vjetra mo\u017ee dose\u0107i 100 km\/h, a temperatura pasti do -90 \u00b0C.<\/p>\n<p>Svaka balon ima posebnu kapsulu \u2014 modul koji upravlja Loon sustavom. Sva oprema na balonu radi na obnovljivim izvorima energije. Solarni paneli napajaju sustav tijekom dana i pune ugra\u0111enu bateriju za rad no\u0107u. Antene na Loon balonima omogu\u0107uju povezivanje s kopnenim stanicama putem razgranate mre\u017ee, omogu\u0107uju\u0107i vlasnicima mobilnih ure\u0111aja da budu online bez upotrebe dodatne opreme. U slu\u010daju nesre\u0107e i ru\u0161enja balona, hardverski modul te\u017eak 15 kg spu\u0161ta se na padobranu za hitne slu\u010dajeve.<\/p>\n<p><img decoding=\"async\" alt=\"Internet na zra\u010dnim balonima\" src=\"\/wp-content\/uploads\/2019\/12\/655e38ebfcaca094cf8ddd256e7c462b.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nVisina leta balona mo\u017ee se mijenjati kori\u0161tenjem pomo\u0107nog balona koji se puni helijem iz glavnog balona za postizanje visine. A za spu\u0161tanje, helij se prebacuje natrag u glavni balon. Manevriranje je toliko u\u010dinkovito da je Loon 2015. godine uspio preletjeti 10.000 kilometara, dolaze\u0107i na \u017eeljenu to\u010dku s to\u010dno\u0161\u0107u od 500 metara. <\/p>\n<p>Svaki zra\u010dni balon veli\u010dine teniskog terena izra\u0111en je od iznimno izdr\u017eljive fleksibilne plastike i namijenjen je za 150 dana leta. Ova izdr\u017eljivost rezultat je opse\u017enog testiranja materijala za balon (ovojak balona). Ovaj materijal mora sprije\u010diti curenje helija i o\u0161te\u0107enje balona u uvjetima niskih temperatura. U stratosferi, gdje se baloni ispu\u0161taju, obi\u010dna plastika postaje krhka i lako se o\u0161te\u0107uje. \u010cak i mala rupa veli\u010dine 2 mm mo\u017ee skratiti \u017eivotni vijek balona za nekoliko tjedana. A pronala\u017eenje 2-milimetarske rupe na balonu povr\u0161ine 600 kv.m. \u2014 pravi je izazov. <\/p>\n<p>Tijekom testiranja materijala, jednog od vo\u0111a projekta je obasjalo da proizvo\u0111a\u010di kondoma imaju sli\u010dne probleme. U ovoj industriji neplanirane rupe tako\u0111er su nepo\u017eeljne. Oslanjaju\u0107i se na njihovo iskustvo, Loon tim je proveo nekoliko specifi\u010dnih testova koji su omogu\u0107ili stvaranje novih materijala i promjenu strukture zra\u010dnih balona, \u0161to je rezultiralo pove\u0107anjem \u017eivotnog vijeka balona. Ova suma ljeta uspjela je posti\u0107i 'trajanje' od 223 dana!<\/p>\n<p>Tim Loon posebno nagla\u0161ava da nisu stvorili samo jo\u0161 jedan balon, ve\u0107 \"pametni\" ure\u0111aj. Baloni Loon pokrenuti s posebne lansirne rampe mogu doletjeti do svake zemlje na svijetu. Strojni algoritmi predvi\u0111aju uzorke vjetra i donose odluku o pomicanju balona gore ili dolje u sloj vjetra koji pu\u0161e u pravom smjeru. Navigacijski sustav funkcionira autonomno, a operateri prate kretanje balona i po potrebi mogu intervenirati.<\/p>\n<p><center><div class=\"youtube-placeholder\" data-id=\"mcw6j-QWGMo\" onclick=\"loadVideo(this)\">\r\n        <img decoding=\"async\" src=\"https:\/\/img.youtube.com\/vi\/mcw6j-QWGMo\/hqdefault.jpg\" alt=\"Pogledajte video\" loading=\"lazy\" width=\"480\" height=\"360\" style=\"width:100%;height:auto;\">\r\n        <div class=\"play-button\"><\/div>\r\n    <\/div><\/center><\/p>\n<p>Loon omogu\u0107ava mobilnim operatorima da pro\u0161ire pokrivenost tamo gdje je to potrebno. Grupa balona Loon stvara mre\u017eu koja osigurava komunikaciju s ljudima u odre\u0111enom podru\u010dju na isti na\u010din na koji skupina tornjeva na zemlji formira kopnenu mre\u017eu. Razlika je u tome \u0161to su baloni \"tornjevi\" stalno u pokretu. Stvorena mre\u017ea balona mo\u017ee funkcionirati autonomno, u\u010dinkovito usmjeravaju\u0107i veze izme\u0111u balona i zemaljskih stanica, uzimaju\u0107i u obzir kretanje balona, prepreke i vremenske uvjete.<\/p>\n<h2>Gdje su ve\u0107 kori\u0161teni baloni Loon<\/h2>\n<p><img decoding=\"async\" alt=\"Internet na zra\u010dnim balonima\" src=\"\/wp-content\/uploads\/2019\/12\/ccb93b436ce0721be0c41f7958b63ec1.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n\"U teoriji sve izgleda lijepo, ali \u0161to u praksi?\", upitat \u0107ete. Ima i prakse. Godine 2017. zajedno s Saveznom komisijom za komunikacije, Saveznim zrakoplovnim upravom, FEMA-om, AT&amp;T, T-Mobileom i drugim tvrtkama osigurali su osnovnu komunikaciju za 200.000 ljudi u Puerto Ricu nakon \u0161teta izazvanih uraganom \"Maria\". Baloni su lansirani iz Nevade i brzo stigli do Puerto Rica. Zahvaljuju\u0107i tome, testirali su neka rje\u0161enja, uo\u010dili gre\u0161ke i demonstrirali odr\u017eivost ideje.<\/p>\n<p>Nedugo zatim, prirodna nepogoda u Peruu nanijela je zna\u010dajnu \u0161tetu infrastrukturi. \u010cim je sjeverni Peru zadesila poplava, tim Loon poslao je svoje balone u pogo\u0111eno podru\u010dje. Tijekom tri mjeseca korisnici su slali i primali podatke u volumenu od 160 GB, \u0161to je ekvivalentno otprilike 30 milijuna SMS-ova ili dva milijuna e-po\u0161ta. Povr\u0161ina pokrivenosti iznosila je 40.000 km\u00b2.<\/p>\n<p>Krajem svibnja 2019. godine u Peruu se ponovno dogodio razoran potres magnitude 8,0. U nekim regijama internet je potpuno nestao, dok su tisu\u0107ama ljudi bile potrebne informacije o stanju njihovih bli\u017enjih. Kako bi uspostavili vezu, vlada zemlje i lokalni operater telekomunikacija Tef\u00f3nica obratili su se kompaniji Loon za pomo\u0107, kako bi internet dostavili pomo\u0107u svojih balona. Popravak interneta uspjelo je izvr\u0161iti unutar 48 sati.<\/p>\n<p>Prvi podzemni potresi dogodili su se u nedjelju ujutro, a primiv\u0161i zahtjev za pomo\u0107, kompanija Loon odmah je preusmjerila svoje balone iz Puerto Rica u Peru. Za njihovo premje\u0161tanje, kao i obi\u010dno, kori\u0161tena je snaga vjetra. Baloni su hvatalu vjetrove u smjeru u kojem su trebali putovati. Za pre\u0107i vi\u0161e od 3000 kilometara ure\u0111ajima je bilo potrebno dva dana.<\/p>\n<p>Baloni Loon pro\u0161irili su se po cijelom sjevernom dijelu Perua \u2014 svaki od njih je osigurao 4G internet za podru\u010dja veli\u010dine 5000 kvadratnih kilometara. Samo jedan balon bio je povezan sa zemaljskom stanicom, koja je prenosila i slala signale drugim ure\u0111ajima. Ranije je kompanija pokazivala mogu\u0107nost preno\u0161enja signala izme\u0111u sedam balona, ali ovaj put njihovo je broj dostiglo deset.<\/p>\n<p><img decoding=\"async\" alt=\"Internet na zra\u010dnim balonima\" src=\"\/wp-content\/uploads\/2019\/12\/408d95884c34bedc41e119f817dc5054.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Lokacija balona Loon u Peruu<\/i><\/p>\n<p>Kompanija je uspjela pru\u017eiti stanovnicima Perua osnovni paket komunikacije: SMS, e-mail i pristup internetu s minimalnom brzinom. U prva dva dana internet od balona Loon iskoristilo je oko 20 000 ljudi.<\/p>\n<p>Kao rezultat, 20. studenog 2019. godine Loon je potpisao komercijalni ugovor o pru\u017eanju usluga dijelovima tropske \u0161ume Amazonije u Peruu, dogovoriv\u0161i se s <noindex><a rel=\"nofollow\" href=\"https:\/\/www.caf.com\/en\/countries\/peru\/\">Internet Para Todos Per\u00fa<\/a><\/noindex> (IpT), operatorom mobilne mre\u017ee na selu. Ovaj put baloni Loon \u0107e se koristiti kao stalno rje\u0161enje za povezivanje s internetom umjesto privremenog ispravka nakon prirodne katastrofe. S<\/p>\n<p>Sporazum izme\u0111u IpT-a i Loona jo\u0161 uvijek treba odobrenje Ministarstva prometa i komunikacija Perua. Ako sve pro\u0111e dobro, Loon i IpT se nadaju pru\u017eanju mobilnih internet usluga po\u010dev\u0161i od 2020. godine. Inicijativa \u0107e biti usmjerena na regiju Loreto u Peruu, koja \u010dini gotovo jednu tre\u0107inu zemlje i dom je mnogim njenim autohtonim narodima. U po\u010detku \u0107e Loon pokriti 15 posto teritorija Loreto, potencijalno dosegnuv\u0161i gotovo 200.000 stanovnika. No, tvrtka je ve\u0107 najavila svoju namjeru povezati 6 milijuna ljudi u seoskim podru\u010djima Perua do 2021. godine. <\/p>\n<p>Uspje\u0161no kori\u0161tenje balona u Peruu tijekom duljeg razdoblja mo\u017ee otvoriti vrata i drugim zemljama. Trenutno je tvrtka potpisala preliminarni ugovor u Keniji s Telkom Kenya i sada \u010deka kona\u010dno odobrenje regulatornih tijela kako bi zapo\u010dela svoje prvo komercijalno ispitivanje u toj zemlji.<\/p>\n<p><b class=\"spoiler_title\">Mali detalj<\/b>Treba napomenuti da situacija s tehnologijom nije ba\u0161 idealna. Evo popisa incidenata s Loon balonima:<\/p>\n<ul>\n<li>29. svibnja 2014. godine Loon balon je udario u elektri\u010dne vodove u Washingtonu, SAD. <\/li>\n<li>20. lipnja 2014. godine novozelandski du\u017enosnici pozvali su hitnu pomo\u0107 kada su vidjeli pad balona. <\/li>\n<li>U studenom 2014. godine ju\u017enoafri\u010dki farmer prona\u0161ao je sru\u0161eni balon u pustinji Karu izme\u0111u Stridenburga i Britstauna.<\/li>\n<li>23. travnja 2015. godine balon je pao u polje blizu grada Bragg, Missouri. <\/li>\n<li>12. rujna 2015. godine balon je pao na travnjaku ispred ku\u0107e u Rancho Hills, Kalifornija.<\/li>\n<li>17. velja\u010de 2016. godine tijekom ispitivanja u \u010dajnoj regiji Gampola, \u0160ri Lanka, balon je pao.<\/li>\n<li>7. travnja 2016. godine balon je vanredno sletio na farmu u Dandiju, KwaZulu-Natal, Ju\u017ena Afrika.<\/li>\n<li>22. travnja 2016. godine balon je pao u polje u departmanu Siembuku, Paragvaj. <\/li>\n<li>22. kolovoza 2016. godine balon je sletio na ran\u010d u Formozi, Argentina, oko 40 km zapadno od glavnog grada. <\/li>\n<li>26. kolovoza 2016. godine balon je sletio sjeverozapadno od Madison, South Dakota.<\/li>\n<li>9. sije\u010dnja 2017. godine balon se sru\u0161io u Seyicu, blizu Changvinole, provincija Bocas del Toro, Panama.<\/li>\n<li>8. sije\u010dnja 2017. godine i 10. sije\u010dnja 2017. godine dva balona Loon sletjela su 10 km isto\u010dno od Cerro Chata i 40 km sjeverozapadno od Mariscale, Urugvaj.<\/li>\n<li>17. velja\u010de 2017. godine u Buriti dos Montes, Brazil, sru\u0161io se balon Loon.<\/li>\n<li>14. o\u017eujka 2017. godine u San Luizu, Tolima, Kolumbija, sru\u0161io se balon Loon.<\/li>\n<li>19. o\u017eujka 2017. godine balon se sru\u0161io u Tacuarembou, Urugvaj.<\/li>\n<li>9. kolovoza 2017. godine balon se sru\u0161io u \u0161a\u0161u u Olmosu, Lambayeque, Peru.<\/li>\n<li>30. prosinca 2017. godine balon se sru\u0161io u Ntambiru, Centralna Igembe, okrug Meru, Kenija.<\/li>\n<\/ul>\n<p>\nDakle, rizici definitivno postoje. Ipak, koristi od Loon balona su ve\u0107e.<\/p>\n<p>\nUPD: mo\u017eete pogledati polo\u017eaj balona <noindex><a rel=\"nofollow\" href=\"https:\/\/www.flightradar24.com\/HBAL074\/23513ee1\">ovdje<\/a><\/noindex> (tra\u017eiti na podru\u010dju Ju\u017ene Amerike). Hvala <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/users\/towin\/\" class=\"user_link\">towin<\/a><\/noindex> na poja\u0161njenju<\/p>\n<p><b>\u0160to jo\u0161 korisnog mo\u017eete pro\u010ditati na blogu <noindex><a rel=\"nofollow\" href=\"https:\/\/www.cloud4y.ru\/?utm_source=habr&amp;utm_medium=referral&amp;utm_campaign=article\">Cloud4Y<\/a><\/noindex><\/b><\/p>\n<p>\u2192 <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/cloud4y\/blog\/469487\/\">Postavljanje top u GNU\/Linux<\/a><\/noindex><br \/>\n\u2192 <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/post\/471380\/\">Pentesteri na prvoj liniji cyber sigurnosti<\/a><\/noindex><br \/>\n\u2192 <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/cloud4y\/blog\/475790\/\">Startupi koji mogu iznenaditi<\/a><\/noindex><br \/>\n\u2192 <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/post\/475314\/\">Ekofantastika u za\u0161titi planeta <\/a><\/noindex><br \/>\n\u2192 <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/post\/479876\/\">Da li su jastu\u010di\u0107i potrebni u data centru?<\/a><\/noindex><\/p>\n<p>Pretplatite se na na\u0161 <noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/cloud4y\">Telegram<\/a><\/noindex>-kanal, kako ne biste propustili novi \u010dlanak! Pi\u0161emo ne \u010de\u0161\u0107e od dva puta nedeljno i to samo kada je potrebno. Tako\u0111e podse\u0107amo da je korporativni obla\u010dni provajder Cloud4Y pokrenuo akciju \u201eOblak FZ-152 po ceni uobi\u010dajenog\u201c. Prijaviti se mo\u017eete ve\u0107 <noindex><a rel=\"nofollow\" href=\"https:\/\/bit.ly\/362q6J4\">sada<\/a><\/noindex>.<br \/>\n<br \/>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/cloud4y\/blog\/480892\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 2014 \u0433\u043e\u0434\u0443 \u0441\u0435\u043b\u044c\u0441\u043a\u0430\u044f \u0448\u043a\u043e\u043b\u0430 \u043d\u0430 \u043e\u043a\u0440\u0430\u0438\u043d\u0435 \u041a\u0430\u043c\u043f\u0443 \u041c\u0430\u0439\u043e\u0440 \u0432 \u0411\u0440\u0430\u0437\u0438\u043b\u0438\u0438 \u0431\u044b\u043b\u0430 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0430 \u043a \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442\u0443. \u0420\u044f\u0434\u043e\u0432\u043e\u0435 \u0441\u043e\u0431\u044b\u0442\u0438\u0435, \u0435\u0441\u043b\u0438 \u0431\u044b \u043d\u0435 \u043e\u0434\u043d\u043e \u00ab\u043d\u043e\u00bb. \u041f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u043b\u043e\u0441\u044c \u0447\u0435\u0440\u0435\u0437 \u0441\u0442\u0440\u0430\u0442\u043e\u0441\u0444\u0435\u0440\u043d\u044b\u0439 \u0432\u043e\u0437\u0434\u0443\u0448\u043d\u044b\u0439 \u0448\u0430\u0440. \u042d\u0442\u043e \u0441\u043e\u0431\u044b\u0442\u0438\u0435 \u0441\u0442\u0430\u043b\u043e \u043f\u0435\u0440\u0432\u044b\u043c \u0443\u0441\u043f\u0435\u0445\u043e\u043c \u0430\u043c\u0431\u0438\u0446\u0438\u043e\u0437\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Project Loon, \u0434\u043e\u0447\u0435\u0440\u043d\u0435\u0439 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Alphabet. \u0410 \u0443\u0436\u0435 \u0441\u043f\u0443\u0441\u0442\u044f 5 \u043b\u0435\u0442 \u043f\u0440\u0430\u0432\u0438\u0442\u0435\u043b\u044c\u0441\u0442\u0432\u0430 \u0441\u0442\u0440\u0430\u043d, \u043f\u043e\u0441\u0442\u0440\u0430\u0434\u0430\u0432\u0448\u0438\u0445 \u043e\u0442 \u0441\u0438\u043b\u044c\u043d\u0435\u0439\u0448\u0435\u0433\u043e \u0443\u0440\u0430\u0433\u0430\u043d\u0430 \u0438 \u0437\u0435\u043c\u043b\u0435\u0442\u0440\u044f\u0441\u0435\u043d\u0438\u044f, \u043e\u0431\u0440\u0430\u0449\u0430\u044e\u0442\u0441\u044f \u043a [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-54614","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 2014 \u0433\u043e\u0434\u0443 \u0441\u0435\u043b\u044c\u0441\u043a\u0430\u044f \u0448\u043a\u043e\u043b\u0430 \u043d\u0430 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