{"id":10931,"date":"2017-10-09T10:40:40","date_gmt":"2017-10-09T08:40:40","guid":{"rendered":"https:\/\/www.websupport.sk\/blog\/?p=10931"},"modified":"2025-03-11T21:07:10","modified_gmt":"2025-03-11T20:07:10","slug":"ako-vyzera-internet-pod-oceanom","status":"publish","type":"post","link":"https:\/\/www.websupport.sk\/blog\/2017\/10\/ako-vyzera-internet-pod-oceanom\/","title":{"rendered":"Ako vyzer\u00e1 internet pod oce\u00e1nom?"},"content":{"rendered":"Doba \u010d\u00edtania:<\/b><\/span> 4<\/span> min.<\/span><\/span>

Ak m\u00e1te popri tomto \u010dl\u00e1nku otvoren\u00fa aj nejak\u00fa zahrani\u010dn\u00fa str\u00e1nku, je pravdepodobn\u00e9, \u017ee do v\u00e1\u0161ho prehliada\u010da dorazila podmorsk\u00fdm optick\u00fdm k\u00e1blom rovnako ako v\u00e4\u010d\u0161ina svetov\u00fdch d\u00e1t. Internet pod oce\u00e1nom je fascinuj\u00faci neregulovan\u00fd svet, v\u010faka ktor\u00e9mu m\u00f4\u017eeme pohodlne scrollova\u0165 \u010di sledova\u0165 Full HD vide\u00e1 ulo\u017een\u00e9 na serveroch na druhom konci plan\u00e9ty. Ako v skuto\u010dnosti vyzer\u00e1 svetov\u00e1 podmorsk\u00e1 kabel\u00e1\u017e? T\u00fdchto 10 faktov v\u00e1m ju pribl\u00ed\u017ei.<\/p>\n

Hrub\u00e9 ako f\u013ea\u0161a od v\u00edna<\/h2>\n

Je jasn\u00e9, \u017ee podmorsk\u00fd k\u00e1bel nevyzer\u00e1 ako klasick\u00fd internetov\u00fd k\u00e1bel, ktor\u00fd sa pova\u013euje v ka\u017edej kancel\u00e1rii. Tieto k\u00e1ble<\/a> maj\u00fa priemer zhruba 7 cm, \u010do je sp\u00f4soben\u00e9 vrstvami medi, hlin\u00edku, oleja, polyetyl\u00e9nu a ochrann\u00fdch oce\u013eov\u00fdch k\u00e1blov. 1 meter tak v\u00e1\u017ei a\u017e okolo 10 k\u00edl.<\/p>\n

\"Podmorsk\u00e9<\/p>\n

Tu kabel, Tu kabel<\/h2>\n

V oce\u00e1noch je natiahnut\u00fdch okolo 420 tak\u00fdchto optick\u00fdch k\u00e1blov<\/a>. N\u00e1jdete ich v Tichom, Atlantickom aj Severnom \u013eadovom oce\u00e1ne, av\u0161ak ani jeden nevedie do Antarkt\u00eddy. S t\u00fdmto kontinentom v\u00e1s zatia\u013e spoj\u00ed len satelit. Naopak medzi Eur\u00f3pou a Amerikou le\u017e\u00ed a\u017e 13 k\u00e1blov, zatia\u013e \u010do mal\u00e9 ostrovy, ako napr. ostrov Tonga v Oce\u00e1nii, maj\u00fa len jeden \u010di dva k\u00e1ble.<\/p>\n

Podmorsk\u00fd k\u00e1bel, ktor\u00fd omot\u00e1 zem<\/h2>\n

Najdlh\u0161\u00ed z podmorsk\u00fdch k\u00e1blov<\/a> – Sea-Me-We 3 – sa s d\u013a\u017ekou 39 tis\u00edc kilometrov takmer vyrovn\u00e1 rovn\u00edku. Internetom prep\u00e1ja a\u017e 32 kraj\u00edn.<\/p>\n

Pod morom vl\u00e1dne k\u00e1blov\u00e1 anarchia<\/h2>\n

Podmorsk\u00e9 k\u00e1ble si \u017eij\u00fa vlastn\u00fdm \u017eivotom. Nie s\u00fa registrovan\u00e9 \u017eiadnou centr\u00e1lnou autoritou a jedin\u00e9 inform\u00e1cie o tom, kde sa nach\u00e1dzaj\u00fa, poskytuj\u00fa samotn\u00ed prev\u00e1dzkovatelia. Napriek tomu world wide web funguje spo\u013eahlivo a r\u00fdchlo.<\/p>\n

\"Podporsk\u00fd<\/p>\n

K\u00e1ble ako zbern\u00e1 surovina?<\/h2>\n

Rovnak\u00fa ot\u00e1zku si v roku 2007 polo\u017eili aj \u00e1zijsk\u00ed pir\u00e1ti a pok\u00fasili sa ukradn\u00fa\u0165 11 kilometrov k\u00e1bla<\/a> sp\u00e1jaj\u00faceho Vietnam a Hong Kong. \u00dalovok v\u00e1\u017eiaci 100 ton sa im v\u0161ak nepodarilo preda\u0165 a tak skon\u010dili vo v\u00e4zen\u00ed.<\/p>\n

A\u017e na Antarkt\u00eddu sme v\u0161etci zapojen\u00ed<\/h2>\n

Ak chcete detailne presk\u00fama\u0165 kadia\u013e ved\u00fa k\u00e1ble, pozrite si str\u00e1nku spolo\u010dnosti TeleGeography, ktor\u00e1 prev\u00e1dzkuje mapu podmorsk\u00fdch k\u00e1blov Submarine Cable Map<\/a>. Najviac k\u00e1blov je na trase Eur\u00f3pa – Amerika – \u00c1zia.<\/p>\n

\"Mapa<\/p>\n

Cez vesm\u00edr alebo popod oce\u00e1n?<\/h2>\n

K\u00fdm pri prenose d\u00e1t cez satelit<\/a> mus\u00ed sign\u00e1l prejs\u0165 dr\u00e1hu najmenej 70 000 kilometrov, \u010do sa aj pri r\u00fdchlosti svetla nezaob\u00edde bez oneskorenia, pod oce\u00e1nom be\u017e\u00ed sign\u00e1l len nieko\u013eko tis\u00edc kilometrov. Je preto ove\u013ea r\u00fdchlej\u0161\u00ed.<\/p>\n

Ke\u010f internet nezo\u017eer\u00fa \u017eraloky, presekn\u00fa ho lodn\u00e9 kotvy<\/h2>\n

Aj ke\u010f \u017eraloky sa \u010dasto pok\u00fa\u0161aj\u00fa k\u00e1ble rozhr\u00fdz\u0165<\/a>, najviac po\u0161koden\u00ed maj\u00fa na svedom\u00ed spusten\u00e9 kotvy a rybolov. Preto sa v rizikovej\u0161\u00edch oblastiach s men\u0161ou h\u013abkou k\u00e1bel uklad\u00e1 do ryhy vyh\u013abenej \u0161peci\u00e1lnym strojom. Najhlb\u0161ie le\u017eiace k\u00e1ble v h\u013abke 8 tis\u00edc metrov sta\u010d\u00ed iba vo\u013ene pusti\u0165 na dno.<\/p>\n

\"Podmorsk\u00e9<\/p>\n