{"id":90811,"date":"2020-08-06T13:42:23","date_gmt":"2020-08-06T11:42:23","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/ocherednoj-vzglyad-na-oblaka-chto-takoe-chastnoe-oblako"},"modified":"2020-08-06T13:42:23","modified_gmt":"2020-08-06T11:42:23","slug":"ocherednoj-vzglyad-na-oblaka-chto-takoe-chastnoe-oblako","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/ocherednoj-vzglyad-na-oblaka-chto-takoe-chastnoe-oblako","title":{"rendered":"Dal\u0161\u00ed pohled na cloud. Co je to priv\u00e1tn\u00ed cloud?","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>R\u016fst v\u00fdpo\u010detn\u00edho v\u00fdkonu a rozvoj technologi\u00ed virtualizace platformy x86 na jedn\u00e9 stran\u011b a \u0161\u00ed\u0159en\u00ed IT outsourcingu na stran\u011b druh\u00e9 vedly k my\u0161lence utility computing (IT jako ve\u0159ejn\u00e1 slu\u017eba). Pro\u010d nezaplatit za IT stejn\u011b jako za vodu nebo elekt\u0159inu \u2013 p\u0159esn\u011b tolik a p\u0159esn\u011b tehdy, kdy\u017e to pot\u0159ebujete, a nic v\u00edc. <\/p>\n<p>V tuto chv\u00edli vznikla my\u0161lenka cloud computingu \u2013 vyu\u017e\u00edv\u00e1n\u00ed IT slu\u017eeb z \"obla\u010dnosti\", t.j. z extern\u00edho zdroje zdroj\u016f, ani\u017e bychom se starali o to, jak a odkud tyto zdroje poch\u00e1zej\u00ed. Stejn\u011b jako se nestar\u00e1me o infrastrukturu vod\u00e1rensk\u00fdch \u010derpac\u00edch stanic. V t\u00e9to dob\u011b byla tak\u00e9 vypracov\u00e1na dal\u0161\u00ed strana koncepce \u2013 a to pojem IT slu\u017eeb a jak je \u0159\u00eddit v r\u00e1mci ITIL \/ ITSM.<\/p>\n<p>Byl vyvinut cel\u00e1 \u0159ada definic oblak\u016f (cloud computingu), av\u0161ak nem\u011bli bychom je pova\u017eovat za pravdu v posledn\u00ed instanci \u2013 je to pouze zp\u016fsob, jak formalizovat metody poskytov\u00e1n\u00ed utility computing. <\/p>\n<ul>\n<li>\"Cloud computing je technologie distribuovan\u00e9ho zpracov\u00e1n\u00ed dat, ve kter\u00e9 jsou po\u010d\u00edta\u010dov\u00e9 zdroje a v\u00fdkon poskytov\u00e1ny u\u017eivateli jako internetov\u00e1 slu\u017eba\" Wikipedia.<\/li>\n<li>\"Cloud computing p\u0159edstavuje model pro zaji\u0161t\u011bn\u00ed snadn\u00e9ho s\u00ed\u0165ov\u00e9ho p\u0159\u00edstupu ke spole\u010dn\u00e9mu fondu konfigurovateln\u00fdch v\u00fdpo\u010detn\u00edch zdroj\u016f (nap\u0159\u00edklad s\u00edt\u00ed, server\u016f, syst\u00e9m\u016f pro ukl\u00e1d\u00e1n\u00ed dat, aplikac\u00ed a slu\u017eeb) podle pot\u0159eby, kter\u00e9 lze rychle p\u0159id\u011blit a poskytovat s minim\u00e1ln\u00edm \u00fasil\u00edm nebo minim\u00e1ln\u00edm z\u00e1sahem ze strany poskytovatele slu\u017eeb\" NIST.<\/li>\n<li>\"Cloud computing je paradigmata, kter\u00e1 zaji\u0161\u0165uje s\u00ed\u0165ov\u00fd p\u0159\u00edstup k \u0161k\u00e1lovateln\u00e9mu a flexibiln\u00edmu fondu distribuovan\u00fdch fyzick\u00fdch nebo virtu\u00e1ln\u00edch zdroj\u016f, kter\u00e9 jsou poskytov\u00e1ny v re\u017eimu samoobsluhy a spravov\u00e1ny na po\u017e\u00e1d\u00e1n\u00ed\" ISO\/IEC 17788:2014. Informa\u010dn\u00ed technologie \u2013 Cloud computing \u2013 P\u0159ehled a slovn\u00edk.<\/li>\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nPodle NIST existuj\u00ed t\u0159i z\u00e1kladn\u00ed typy oblak\u016f:<\/p>\n<ol>\n<li>IaaS \u2013 Infrastructure as a Service \u2014 Infrastruktura jako slu\u017eba<\/li>\n<li>PaaS \u2013 Platform as a Service \u2014 Platforma jako slu\u017eba<\/li>\n<li>SaaS \u2014 Software as a Service \u2014 Software jako slu\u017eba<\/li>\n<\/ol>\n<p>\n<img decoding=\"async\" alt=\"Dal\u0161\u00ed pohled na cloud. Co je to priv\u00e1tn\u00ed cloud?\" src=\"\/wp-content\/uploads\/2020\/08\/e31e3f1d45fd7d0e86c6585762b9e2e4.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPro zcela zjednodu\u0161en\u00e9 pochopen\u00ed rozd\u00edlu si poj\u010fme p\u0159edstavit model Pizza-as-a-Service:<\/p>\n<p><img decoding=\"async\" alt=\"Dal\u0161\u00ed pohled na cloud. Co je to priv\u00e1tn\u00ed cloud?\" src=\"\/wp-content\/uploads\/2020\/08\/c6ca1bb3c1cb6b66c529be2517b3d8a5.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNIST definuje n\u00e1sleduj\u00edc\u00ed nezbytn\u00e9 rysy IT slu\u017eby, kter\u00e9 ji umo\u017e\u0148uj\u00ed pova\u017eovat za cloudovou. <\/p>\n<ul>\n<li>Univerz\u00e1ln\u00ed s\u00ed\u0165ov\u00fd p\u0159\u00edstup (broad network access) \u2013 slu\u017eba by m\u011bla m\u00edt univerz\u00e1ln\u00ed s\u00ed\u0165ov\u00e9 rozhran\u00ed, kter\u00e9 umo\u017e\u0148uje p\u0159ipojen\u00ed a pou\u017e\u00edv\u00e1n\u00ed slu\u017eby prakticky k\u00fdmkoliv s minim\u00e1ln\u00edmi po\u017eadavky. P\u0159\u00edklad \u2013 pro pou\u017eit\u00ed elektrick\u00e9 s\u00edt\u011b 220V sta\u010d\u00ed se p\u0159ipojit k jak\u00e9koli z\u00e1suvce se standardn\u00edm univerz\u00e1ln\u00edm rozhran\u00edm (vidlice), kter\u00e9 se nem\u011bn\u00ed bez ohledu na to, zda se jedn\u00e1 o konvici, vysava\u010d nebo notebook.<\/li>\n<li>M\u011b\u0159itelnost slu\u017eby (measured service) \u2013 kl\u00ed\u010dov\u00fdm rysem cloudov\u00e9 slu\u017eby je m\u011b\u0159itelnost slu\u017eby. Navr\u00e1t\u00edme-li se k analogii s elekt\u0159inou \u2013 zaplat\u00edte p\u0159esn\u011b tolik, kolik jste spot\u0159ebovali, s minim\u00e1ln\u00ed granularitou, a\u017e po n\u00e1klady na jednor\u00e1zov\u00e9 uva\u0159en\u00ed konvice, pokud jste byli v dom\u011b pouze jednou za m\u011bs\u00edc a vypili jste \u0161\u00e1lek \u010daje.<\/li>\n<li>Samostatn\u00e9 konfigurov\u00e1n\u00ed slu\u017eeb na po\u017e\u00e1d\u00e1n\u00ed (on demand self service) \u2013 cloudov\u00fd poskytovatel nab\u00edz\u00ed z\u00e1kazn\u00edkovi mo\u017enost rozumn\u00e9ho konfigurov\u00e1n\u00ed slu\u017eby, ani\u017e by bylo nutn\u00e9 spolupracovat s pracovn\u00edky poskytovatele. Abychom uva\u0159ili konvici, nen\u00ed v\u016fbec nutn\u00e9 p\u0159edem kontaktovat Energetiku a upozor\u0148ovat je, a z\u00edsk\u00e1vat povolen\u00ed. Od okam\u017eiku, kdy je d\u016fm p\u0159ipojen (uzav\u0159ena smlouva), mohou v\u0161ichni spot\u0159ebitel\u00e9 samostatn\u011b nakl\u00e1dat s poskytnut\u00fdm v\u00fdkonem.<\/li>\n<li>Okam\u017eit\u00e1 elasticita (rapid elasticity) \u2013 cloudov\u00fd poskytovatel poskytuje prost\u0159edky s mo\u017enost\u00ed okam\u017eit\u00e9ho zvy\u0161ov\u00e1n\u00ed \/ sni\u017eov\u00e1n\u00ed v\u00fdkonu (v ur\u010den\u00fdch rozumn\u00fdch mez\u00edch). Jakmile je konvice zapnuta, poskytovatel okam\u017eit\u011b dod\u00e1v\u00e1 do s\u00edt\u011b 3 kW v\u00fdkonu, a jakmile je vypnuta, sni\u017euje dod\u00e1vku na nulu.<\/li>\n<li>Konsolidace zdroj\u016f do poolu (resource pooling) \u2013 vnit\u0159n\u00ed mechanismy poskytovatele slu\u017eeb umo\u017e\u0148uj\u00ed konsolidovat jednotliv\u00e9 generuj\u00edc\u00ed kapacity do spole\u010dn\u00e9ho poolu (baz\u00e9nu) zdroj\u016f s n\u00e1sledn\u00fdm poskytov\u00e1n\u00edm zdroj\u016f jako slu\u017eby r\u016fzn\u00fdm spot\u0159ebitel\u016fm. Zahrnuj\u00edc\u00ed konvici, n\u00e1s nejm\u00e9n\u011b zaj\u00edm\u00e1, z jak\u00e9 konkr\u00e9tn\u00ed elektr\u00e1rny p\u0159ich\u00e1z\u00ed v\u00fdkon. A v\u0161ichni ostatn\u00ed spot\u0159ebitel\u00e9 spot\u0159ebov\u00e1vaj\u00ed tento v\u00fdkon spolu s n\u00e1mi.<\/li>\n<\/ul>\n<p>\nJe d\u016fle\u017eit\u00e9 ch\u00e1pat, \u017ee v\u00fd\u0161e popsan\u00e9 charakteristiky cloudu nejsou n\u00e1hodn\u00e9, ale jsou logick\u00fdm v\u00fdvodem z konceptu utility computingu. A ve\u0159ejn\u00e1 slu\u017eba by m\u011bla m\u00edt tyto charakteristiky v r\u00e1mci konceptu. P\u0159i neshod\u011b s n\u011bkterou z charakteristik slu\u017eba nezhor\u0161uje a nest\u00e1v\u00e1 se \"toxickou\", pouze p\u0159est\u00e1v\u00e1 b\u00fdt cloudovou. A kdo \u0159\u00edk\u00e1, \u017ee v\u0161echny slu\u017eby mus\u00ed b\u00fdt?<\/p>\n<p>Pro\u010d o tom hovo\u0159\u00edm zvl\u00e1\u0161\u0165? V uplynul\u00fdch 10 letech od vzniku definice NIST bylo mnoho diskuz\u00ed o \"skute\u010dn\u00e9 cloudovosti\" podle t\u00e9to definice. V USA se st\u00e1le ob\u010das v pr\u00e1vn\u00ed sf\u00e9\u0159e pou\u017e\u00edv\u00e1 fr\u00e1ze \"v souladu s p\u00edsmenem z\u00e1kona, ale ne duchem\" \u2014 a u cloudov\u00fdch v\u00fdpo\u010dt\u016f jde p\u0159edev\u0161\u00edm o ducha, pron\u00e1jem zdroj\u016f na dva kliknut\u00ed my\u0161\u00ed.<\/p>\n<p>Je t\u0159eba poznamenat, \u017ee uveden\u00fdch 5 charakteristik se vztahuje k ve\u0159ejn\u00e9mu cloudu, ale p\u0159i p\u0159echodu na priv\u00e1tn\u00ed v\u011bt\u0161ina z nich se st\u00e1v\u00e1 voliteln\u00fdmi.<\/p>\n<ul>\n<li>Univerz\u00e1ln\u00ed p\u0159\u00edstup k s\u00edti (broad network access) \u2013 v r\u00e1mci priv\u00e1tn\u00edho cloudu m\u00e1 organizace plnou kontrolu jak nad generuj\u00edc\u00edmi zdroji, tak nad klienty-spot\u0159ebiteli. Tuto charakteristiku lze tedy pova\u017eovat za automaticky spln\u011bnou.<\/li>\n<li>M\u011b\u0159itelnost slu\u017eby (measured service) \u2013 to je kl\u00ed\u010dov\u00e1 charakteristika konceptu utility computingu, platba podle skute\u010dn\u00e9 spot\u0159eby. Ale jak by m\u011bla organizace platit sama sob\u011b? V tomto p\u0159\u00edpad\u011b doch\u00e1z\u00ed k rozd\u011blen\u00ed generace a spot\u0159eby uvnit\u0159 spole\u010dnosti, IT se st\u00e1v\u00e1 poskytovatelem, zat\u00edmco obchodn\u00ed divize jsou spot\u0159ebiteli slu\u017eeb. A vz\u00e1jemn\u00e9 vyrovn\u00e1n\u00ed prob\u00edh\u00e1 mezi divizemi. Mohou existovat dva re\u017eimy fungov\u00e1n\u00ed: chargeback (p\u0159i skute\u010dn\u00e9m vyrovn\u00e1n\u00ed a pohybu financ\u00ed) a showback (ve form\u011b reportingu o spot\u0159eb\u011b zdroj\u016f v rublech, ale bez pohybu financ\u00ed).<\/li>\n<li>Samoobslu\u017en\u00e9 konfigurov\u00e1n\u00ed slu\u017eeb na po\u017e\u00e1d\u00e1n\u00ed (on demand self service) \u2013 uvnit\u0159 organizace m\u016f\u017ee existovat spole\u010dn\u00e1 IT slu\u017eba, a v tomto p\u0159\u00edpad\u011b tato charakteristika ztr\u00e1c\u00ed smysl. Nicm\u00e9n\u011b p\u0159i p\u0159\u00edtomnosti vlastn\u00edch IT specialist\u016f nebo administr\u00e1tor\u016f aplikac\u00ed v obchodn\u00edch diviz\u00edch je nutn\u00e9 zorganizovat port\u00e1l samoobsluhy. Z\u00e1v\u011br \u2013 varianta je voliteln\u00e1 a z\u00e1vis\u00ed na struktu\u0159e podnik\u00e1n\u00ed.<\/li>\n<li>Okam\u017eit\u00e1 elasticita (rapid elasticity) ztr\u00e1c\u00ed smysl v r\u00e1mci organizace, proto\u017ee soubor za\u0159\u00edzen\u00ed pro soukrom\u00fd cloud je pevn\u011b stanoven. M\u016f\u017ee b\u00fdt omezen\u011b pou\u017eit v r\u00e1mci intern\u00edho vyrovn\u00e1v\u00e1n\u00ed. Z\u00e1v\u011br \u2013 pro soukrom\u00fd cloud to nen\u00ed aplikovateln\u00e9.<\/li>\n<li>Zkombinov\u00e1n\u00ed zdroj\u016f do poolu (resource pooling) je dnes ji\u017e prakticky b\u011b\u017en\u00e9, proto\u017ee neexistuj\u00ed organizace, kter\u00e9 by nepou\u017e\u00edvaly serverovou virtualizaci. Tuto charakteristiku therefore m\u016f\u017eeme pova\u017eovat za automaticky pln\u011bnou.<\/li>\n<\/ul>\n<p>\nOt\u00e1zka: Co vlastn\u011b je to va\u0161e soukrom\u00e9 cloudov\u00e9 \u0159e\u0161en\u00ed? Co mus\u00ed spole\u010dnost zakoupit a implementovat, aby ho vybudovala?<\/p>\n<p>Odpov\u011b\u010f: soukrom\u00fd cloud je p\u0159echod na novou administrativn\u00ed model interakce IT a Business, kter\u00fd se skl\u00e1d\u00e1 z 80 % z administrativn\u00edch opat\u0159en\u00ed a pouze z 20 % z technologi\u00ed.<\/p>\n<p>Platba pouze za spot\u0159ebovan\u00e9 zdroje a snadn\u00fd vstup, ani\u017e by bylo nutn\u00e9 investovat n\u011bkolik stovek milion\u016f do kapit\u00e1lov\u00fdch n\u00e1klad\u016f, vedly k nov\u00e9mu technologick\u00e9mu prost\u0159ed\u00ed a vzniku miliardov\u00fdch spole\u010dnost\u00ed. Nap\u0159\u00edklad sou\u010dasn\u00ed giganti Dropbox a Instagram za\u010dali jako startupy na AWS bez vlastn\u00ed infrastruktury.<\/p>\n<p>Je d\u016fle\u017eit\u00e9 zd\u016fraznit, \u017ee n\u00e1stroje pro spr\u00e1vu cloudov\u00fdch slu\u017eeb se st\u00e1vaj\u00ed je\u0161t\u011b v\u00edce zprost\u0159edkovan\u00e9, a kl\u00ed\u010dovou odpov\u011bdnost\u00ed \u0159editele IT se st\u00e1v\u00e1 v\u00fdb\u011br dodavatel\u016f a kontrola kvality. Poj\u010fme se pod\u00edvat na problematiku t\u011bchto dvou nov\u00fdch povinnost\u00ed.<\/p>\n<p>Objevily se jako alternativa k tradi\u010dn\u00edm t\u011b\u017ek\u00fdm infrastruktu\u0159e s vlastn\u00edmi datov\u00fdmi centry a hardwarem, cloudy se mohou zd\u00e1t klamn\u011b jednoduch\u00e9. Do cloudu je snadn\u00e9 vstoupit, ale ot\u00e1zka v\u00fdstupu obvykle z\u016fst\u00e1v\u00e1 stranou. Jako v jak\u00e9mkoli jin\u00e9m odv\u011btv\u00ed se cloudov\u00ed poskytovatel\u00e9 usiluj\u00ed o ochranu sv\u00e9ho byznysu a zt\u00ed\u017een\u00ed konkurence. Jedin\u00fdm skute\u010dn\u011b konkuren\u010dn\u00edm momentem je po\u010d\u00e1te\u010dn\u00ed v\u00fdb\u011br poskytovatele cloudov\u00fdch slu\u017eeb, a pot\u00e9 se poskytovatel maxim\u00e1ln\u011b sna\u017e\u00ed, aby z\u00e1kazn\u00edk neode\u0161el. A rozhodn\u011b ne v\u0161echny tyto snahy budou zam\u011b\u0159eny na kvalitu slu\u017eeb \u010di jejich sortiment. P\u0159edev\u0161\u00edm se jedn\u00e1 o poskytov\u00e1n\u00ed unik\u00e1tn\u00edch slu\u017eeb a vyu\u017e\u00edv\u00e1n\u00ed neobvykl\u00e9ho syst\u00e9mov\u00e9ho softwaru, kter\u00fd zt\u011b\u017euje p\u0159echod k jin\u00e9mu poskytovateli. P\u0159i v\u00fdb\u011bru poskytovatele slu\u017eeb je tedy nutn\u00e9 z\u00e1rove\u0148 vytv\u00e1\u0159et pl\u00e1n p\u0159echodu od tohoto poskytovatele (v podstat\u011b kompletn\u00ed DRP \u2013 pl\u00e1n obnovy po hav\u00e1rii) a promyslet architekturu ukl\u00e1d\u00e1n\u00ed dat a z\u00e1loh.<\/p>\n<p>Druh\u00fdm d\u016fle\u017eit\u00fdm aspektem nov\u00fdch povinnost\u00ed IT \u0159editele je kontrola kvality slu\u017eeb od poskytovatele. Prakticky v\u0161ichni poskytovatel\u00e9 cloudu dodr\u017euj\u00ed SLA podle sv\u00fdch vlastn\u00edch intern\u00edch metrik, co\u017e m\u016f\u017ee m\u00edt velmi nep\u0159\u00edm\u00fd v\u00fdznam pro obchodn\u00ed procesy z\u00e1kazn\u00edka. A proto zaveden\u00ed vlastn\u00ed monitorovac\u00ed a kontroln\u00ed soustavy se st\u00e1v\u00e1 jedn\u00edm z kl\u00ed\u010dov\u00fdch projekt\u016f p\u0159i p\u0159esunu v\u00fdznamn\u00fdch IT syst\u00e9m\u016f k poskytovateli cloudu. Pokra\u010duj\u00edc v t\u00e9matu SLA, je nutn\u00e9 zd\u016fraznit, \u017ee naprost\u00e1 v\u011bt\u0161ina cloudov\u00fdch poskytovatel\u016f omezuje odpov\u011bdnost za nespln\u011bn\u00ed SLA na m\u011bs\u00ed\u010dn\u00ed poplatek nebo na pod\u00edl z platby. Nap\u0159\u00edklad, AWS a Azure p\u0159i p\u0159ekro\u010den\u00ed prahu dostupnosti 95% (36 hodin m\u011bs\u00ed\u010dn\u011b) poskytnou 100% slevu z p\u0159edplatn\u00e9ho, zat\u00edmco Yandex.Cloud \u2013 30%.<\/p>\n<p><img decoding=\"async\" alt=\"Dal\u0161\u00ed pohled na cloud. Co je to priv\u00e1tn\u00ed cloud?\" src=\"\/wp-content\/uploads\/2020\/08\/48850ca7053879eefd0658044e2ffa00.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/yandex.ru\/legal\/cloud_sla_compute\/\">https:\/\/yandex.ru\/legal\/cloud_sla_compute\/<\/a><\/noindex><\/p>\n<p>A samoz\u0159ejm\u011b nesm\u00edme zapom\u00ednat, \u017ee cloudy nejsou jen d\u00edlem ob\u0159\u00edch gigant\u016f jako Amazon a Yandex. Cloudov\u00e9 slu\u017eby mohou b\u00fdt i men\u0161\u00ed \u2014 velikosti ko\u010dky nebo dokonce my\u0161i. Jak uk\u00e1zal p\u0159\u00edpad CloudMouse, n\u011bkdy se prost\u011b cloud vy\u010derp\u00e1. Nedostanete \u017e\u00e1dnou kompenzaci, \u017e\u00e1dn\u00e9 slevy \u2014 nedostanete nic, krom\u011b tot\u00e1ln\u00ed ztr\u00e1ty dat.<\/p>\n<p>Vzhledem k v\u00fd\u0161e uveden\u00fdm probl\u00e9m\u016fm s realizac\u00ed IT syst\u00e9m\u016f vysok\u00e9 \u00farovn\u011b obchodn\u00ed kriti\u010dnosti v cloudov\u00fdch infrastruktur\u00e1ch se v posledn\u00edch letech objevuje jev naz\u00fdvan\u00fd \"cloudov\u00e1 repatriace\". <\/p>\n<p><img decoding=\"async\" alt=\"Dal\u0161\u00ed pohled na cloud. Co je to priv\u00e1tn\u00ed cloud?\" src=\"\/wp-content\/uploads\/2020\/08\/9c7f6ee86021c09a27e494b1acde49d3.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDo roku 2020 do\u0161lo k vrcholu nafoukl\u00fdch o\u010dek\u00e1v\u00e1n\u00ed pro cloudov\u00e9 v\u00fdpo\u010detn\u00ed slu\u017eby a koncept se nach\u00e1z\u00ed na cest\u011b do \u00fadol\u00ed zklam\u00e1n\u00ed (podle hype cyklu Gartnera). Podle v\u00fdzkum\u016f <noindex><a rel=\"nofollow\" href=\"https:\/\/idc-cema.com\/dwn\/SF_248876\/01_idc_zagnetko.pdf\">IDC<\/a><\/noindex> a <noindex><a rel=\"nofollow\" href=\"https:\/\/451research.com\/blog\/1960-the-trouble-with-cloud-repatriation\">451 Research<\/a><\/noindex> a\u017e 80 % korpor\u00e1tn\u00edch z\u00e1kazn\u00edk\u016f vrac\u00ed a pl\u00e1nuje vr\u00e1tit z\u00e1t\u011b\u017ee z cloudu zp\u011bt do vlastn\u00edch datov\u00fdch center z d\u016fvod\u016f:<\/p>\n<ul>\n<li>Zv\u00fd\u0161en\u00ed dostupnosti \/ v\u00fdkonu;<\/li>\n<li>Sn\u00ed\u017een\u00ed n\u00e1klad\u016f;<\/li>\n<li>Aby bylo mo\u017en\u00e9 vyhov\u011bt po\u017eadavk\u016fm na zabezpe\u010den\u00ed informac\u00ed.<\/li>\n<\/ul>\n<p><\/p>\n<h2>Co tedy d\u011blat a jak to \"ve skute\u010dnosti\" je?<\/h2>\n<p>\nNen\u00ed \u017e\u00e1dn\u00fdch pochyb, \u017ee cloudov\u00e9 slu\u017eby se etablovaly a budou hr\u00e1t st\u00e1le v\u011bt\u0161\u00ed roli. \u017dijeme v\u0161ak v roce 2020 v konkr\u00e9tn\u00ed situaci. Co d\u011blat s cloudy, pokud nejste startup, ale klasick\u00fd korpor\u00e1tn\u00ed z\u00e1kazn\u00edk?<\/p>\n<ol>\n<li>Cloudy jsou p\u0159edev\u0161\u00edm m\u00edstem pro slu\u017eby s nep\u0159edv\u00eddatelnou nebo v\u00fdrazn\u011b sez\u00f3nn\u00ed z\u00e1t\u011b\u017e\u00ed.<\/li>\n<li>Ve v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f je levn\u011bj\u0161\u00ed udr\u017eovat slu\u017eby s p\u0159edv\u00eddatelnou stabiln\u00ed z\u00e1t\u011b\u017e\u00ed ve vlastn\u00edm datov\u00e9m centru.<\/li>\n<li>Pr\u00e1ce s cloudy by m\u011bla za\u010d\u00edt zku\u0161ebn\u00edmi prost\u0159ed\u00edmi a n\u00edzko-prioritn\u00edmi slu\u017ebami.<\/li>\n<li>Zv\u00e1\u017een\u00ed um\u00edst\u011bn\u00ed informa\u010dn\u00edch syst\u00e9m\u016f do cloudu za\u010d\u00edn\u00e1 vypracov\u00e1n\u00edm metodiky p\u0159echodu z cloudu do jin\u00e9ho cloudu (nebo zp\u011bt do vlastn\u00edho datov\u00e9ho centra).<\/li>\n<li>Um\u00edst\u011bn\u00ed informa\u010dn\u00edho syst\u00e9mu do cloudu za\u010d\u00edn\u00e1 vypracov\u00e1n\u00edm sch\u00e9matu z\u00e1lohov\u00e1n\u00ed do vy kontrolovan\u00e9 infrastruktury.<\/li>\n<\/ol>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/513892\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u043e\u0441\u0442 \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u0435\u0439 \u0438 \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0439 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b x86 \u0441 \u043e\u0434\u043d\u043e\u0439 \u0441\u0442\u043e\u0440\u043e\u043d\u044b, \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435 \u0418\u0422-\u0430\u0443\u0442\u0441\u043e\u0440\u0441\u0438\u043d\u0433\u0430 \u0441 \u0434\u0440\u0443\u0433\u043e\u0439 \u0441\u0442\u043e\u0440\u043e\u043d\u044b \u043f\u0440\u0438\u0432\u0435\u043b\u0438 \u043a \u043a\u043e\u043d\u0446\u0435\u043f\u0446\u0438\u0438 utility computing (\u0418\u0422 \u043a\u0430\u043a \u043a\u043e\u043c\u043c\u0443\u043d\u0430\u043b\u044c\u043d\u0430\u044f \u0443\u0441\u043b\u0443\u0433\u0430). \u041f\u043e\u0447\u0435\u043c\u0443 \u0431\u044b \u043d\u0435 \u043f\u043b\u0430\u0442\u0438\u0442\u044c \u0437\u0430 \u0418\u0422 \u0442\u0430\u043a \u0436\u0435, \u043a\u0430\u043a \u0437\u0430 \u0432\u043e\u0434\u0443 \u0438\u043b\u0438 \u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u2013 \u0440\u043e\u0432\u043d\u043e \u0441\u0442\u043e\u043b\u044c\u043a\u043e \u0438 \u0440\u043e\u0432\u043d\u043e \u0442\u043e\u0433\u0434\u0430, \u043a\u043e\u0433\u0434\u0430 \u044d\u0442\u043e \u043d\u0443\u0436\u043d\u043e, \u0438 \u043d\u0435 \u0431\u043e\u043b\u0435\u0435. \u0412 \u044d\u0442\u043e\u0442 \u043c\u043e\u043c\u0435\u043d\u0442 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":90812,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-90811","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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