{"id":32452,"date":"2019-10-31T21:47:09","date_gmt":"2019-10-31T18:47:09","guid":{"rendered":"https:\/\/prohoster.info\/blog\/budushhee-za-oblakami\/"},"modified":"2019-10-31T21:47:09","modified_gmt":"2019-10-31T18:47:09","slug":"budushhee-za-oblakami","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/budushhee-za-oblakami","title":{"rendered":"Tulevik on pilvedes","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<h2>1.1. Sissejuhatus<\/h2>\n<p>\nR\u00e4\u00e4kides IT arengust viimastel aastatel, ei saa mainimata j\u00e4tta pilvetehnoloogiate osakaalu teiste seas. Vaatame, mis t\u00e4pselt on pilvetehnoloogiad, tehnoloogiad jne.<br \/>\nPilve arvutamine (v\u00f5i pilveteenused) on spetsiifiline vahendite ja meetodite kogum logistika, andmete salvestamise ja t\u00f6\u00f6tlemise osas kaugjuurdep\u00e4\u00e4su arvutusressurssides, kuhu kuuluvad serverid, andmesalvestuss\u00fcsteemid (SAN) ja andmeedastuss\u00fcsteemid (SDN).<\/p>\n<p>IT toote loomisel, olgu selleks visiitkaart, veebipood, k\u00f5rge koormusega portaal v\u00f5i andmebaasis\u00fcsteem, on v\u00e4hemalt kaks v\u00f5imalust teie toote paigutamiseks. <\/p>\n<p><b>Tellija territooriumil (inglise keeles \u2014 on-premise)<\/b> v\u00f5i <b>pilves (inglise keeles \u2014 cloud)<\/b>. Samuti ei saa kindlalt \u00f6elda, mis on rahaliselt soodsam \u00fcldiselt. <\/p>\n<p>Kui kasutate serverit, kus t\u00f6\u00f6tab v\u00e4ike andmebaas, mis ei vaja rikets\u00fcsteemi ja lihtne veebileht, millel pole erilisi koormusi \u2014 jah, kohapealne paigutamine sobib teile. Kuid kui koormused ja vajadused kasvavad \u2014 tasub kaaluda pilve kolimist.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>1.2. Pilved meie seas<\/h2>\n<p>\nEnne kui arutame, kuidas pilvede teenused t\u00e4pselt pakutakse, on oluline m\u00f5ista, et lugu pilvedest ei ole seotud suurte IT-hiidude ja nende siseteenustega. Me k\u00f5ik kasutame igap\u00e4evaselt pilvearvutusi. <\/p>\n<p>Aastal 2019 on keeruline leida inimest, kes ei kasutaks Instagrami, e-posti, kaarte ja liiklusinfo rakendusi oma telefonis. Ja k\u00f5ik see salvestatakse ja t\u00f6\u00f6deldakse kus? \u00d5ige! <br \/>\nIsegi kui olete IT-spetsialist ettev\u00f5ttes, millel on v\u00e4hemalt v\u00e4ike filiaalide v\u00f5rk (n\u00e4iteks) ja paigaldad infrastruktuuri andmesalvestuss\u00fcsteemi, siis olgu see veebiliides, ftp v\u00f5i samba \u2014 teie kasutajate jaoks on see salvestuskoht pilv, mis asub... kusagil seal. R\u00e4\u00e4kimata igap\u00e4evastest asjadest, mida me kasutame iga p\u00e4ev mituk\u00fcmmend korda. <\/p>\n<h2>2.1. Pilvemanduste t\u00fc\u00fcpide jagamine<\/h2>\n<p>\nOkei, pilv. Kuid asjad pole nii lihtsad. Me tuleme t\u00f6\u00f6le k\u00f5ik \u2014 m\u00fc\u00fcjad, IT-inimesed, juhid. See on \u00fcldine m\u00f5isted, iga\u00fchel on oma \u00fclesanne ja teatud klassifikatsioon. Nii on ka siin. \u00dcldiselt v\u00f5ib pilveteenuse jagada nelja t\u00fc\u00fcpi. <\/p>\n<p>1.<b>Avalik pilv (public cloud)<\/b> \u2014 see on platvorm, mis on avalikult avatud k\u00f5igile kasutajatele tasuta v\u00f5i tasulise tellimuse alusel. Enamasti on see konkreetse f\u00fc\u00fcsilise isiku v\u00f5i juriidilise isiku halduses. N\u00e4iteks v\u00f5ib tuua teaduslike teadmiste artikkel-kogumisp\u00f5hise portaali. <\/p>\n<p>2. <b>Privaatne pilv (private cloud)<\/b> \u2014 t\u00e4iendav vastand punktile 1. See platvorm on avalikkuse eest suletud, sageli m\u00f5eldud \u00fche ettev\u00f5tte (v\u00f5i ettev\u00f5tte ja partnerorganisatsioonide) kasutamiseks. Juurdep\u00e4\u00e4s antakse ainult s\u00fcsteemi administraatori poolt kasutajatele. Need v\u00f5ivad olla sisemised teenused, n\u00e4iteks intraneti v\u00f5rk, teeninduslaud (service desk), CRM jne. Tavaliselt v\u00f5tavad pilve v\u00f5i selle segmendi omanikud infoturbe ja \u00e4ri kaitse k\u00fcsimusi v\u00e4ga t\u00f5siselt, kuna privaatsetes pilvedes hoitakse teavet m\u00fc\u00fcgi, klientide ja ettev\u00f5tete strateegiliste plaanide kohta jne. <\/p>\n<p>3. <b>\u00dchispilv (community cloud)<\/b> V\u00f5ib \u00f6elda, et see on privaatne pilv, mis on jagatud mitme ettev\u00f5tte vahel, kellel on sarnased \u00fclesanded v\u00f5i huvid. Sageli kasutatakse seda juhul, kui on vaja anda mitmele inimesse erinevate ettev\u00f5tete osakondadele \u00f5igusi kasutada rakenduse ressursse. <\/p>\n<p>4. <b>H\u00fcbriidpilv \u2014 (hybrid cloud)<\/b> see on infrastruktuuri liik, mis \u00fchendab endas v\u00e4hemalt kaht t\u00fc\u00fcpi juurutamist. K\u00f5ige levinum n\u00e4ide on kliendi andmekeskuse skaleerimine pilve toe abil. Seda tehakse kulude kokkuhoiu eesm\u00e4rgil, kui ei ole v\u00f5imalik t\u00e4ielikult pilve kolida v\u00f5i seoses turvalisuse ja seadusandlikkuse k\u00fcsimustega. <\/p>\n<h2>2.2. Teenuste t\u00fc\u00fcbid<\/h2>\n<p>\nSuper, juurutust\u00fc\u00fcbid on nii erinevad, aga peaks olema midagi, mis neid \u00fchendab? Jah, need on teenuste t\u00fc\u00fcbid, mis on k\u00f5ikidele pilvet\u00fc\u00fcpidele \u00fchesugused. Vaadake kolme k\u00f5ige levinumat. <\/p>\n<p><b>IaaS (infrastructure as a service)<\/b> \u2014 infrastruktuur teenusena. Selle variandi puhul pakutakse teile servereid virtuaalmasinate (VM) kujul, kettaid, v\u00f5rgu seadmeid, millele saate paigaldada vajaliku operatsioonis\u00fcsteemi, keskkonna, t\u00f5sta teenuseid jne. Kuigi ma olen hetkel aktiivselt arendamas Yandexi pilves, alustasin oma tutvust GCP (Google Cloud Platform) kaudu, seega tuuakse n\u00e4ited selle taustal, aga r\u00e4\u00e4gin teenusepakkujatest veidi hiljem. IaaS lahenduse n\u00e4ide GCP-s oleks element Compute Engine. St see on tavaline VM, millele valite ise operatsioonis\u00fcsteemi, ise tegelete tarkvara seadistamise ja rakenduste juurutamisega. Vaatame n\u00e4idet. Olete Python arendaja ja soovite teha veebilehte pilves, arvestades ainult IaaS varianti. Teil on vaja v\u00f5tta \u00fcks VM, millel veebileht t\u00f6\u00f6tab, et selle jaoks oleks vaja paigaldada (GCP-s valitakse see instantsi loomise etapis) operatsioonis\u00fcsteem, v\u00e4rskendada pakihaldurit (miks ka mitte), installida vajalik Python versioon, nginx jne\u2026 Kolmel VM-l luua talitlush\u00e4irete vastu kindel andmebaasi klaster (ka k\u00e4sitsi). Kavandada logimine jne. See on odav ja pikk protsess, kuid kui teile meeldib maksimaalne paindlikkus \u2014 see on teie valik.<\/p>\n<p>Lihtsuse ja kalliduse poolest j\u00e4rgmine on <b>PaaS (platvorm teenusena)<\/b>. Siin saate samuti VM-i, kuid ilma v\u00f5imaluseta konfigureerida seda nii paindlikult, te ei vali OS-i, tarkvara komplekti jne, vaid saate oma toote jaoks valmis keskkonna. J\u00e4tkame sama n\u00e4itega. Ostate kaks App Engine'i instants'i GCP-s, millest \u00fcks toimib andmebaasina, teine aga <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/\"   title=\"veebiserver\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1171\">veebiserver<\/a>. Te ei pea seadistama teenindusprogramme, saate otse v\u00e4lja pakkuda tootmisjuhtumist. See on kallim, tunnistage, t\u00f6\u00f6 peab olema tasustatud, ja teie nimel on vaeva n\u00e4inud terve skript. Siiski saate valmis platvormi t\u00f6\u00f6ks. <\/p>\n<p>Kolmas peamine variant, mis seisab k\u00f5rgemal \u00fclej\u00e4\u00e4nud \u2014 <b>SaaS (tarkvara teenusena).<\/b> Te ei tee VM-ide peeneid seadistusi, te ei seadista neid \u00fcldse. Te ei pea olema IT-spetsialist, \u00fchtegi koodi kirjutama, tagaplaani tegema. K\u00f5ik on juba valmis. Need on juba valmis, juurutatud lahendused, nagu GSuite (endine Google Apps), DropBox, Office 365. <\/p>\n<h2>3.1. Mis on peal?<\/h2>\n<p>\nKas sa said aru? Okei, liigume edasi. Ostime VM-i, t\u00f6\u00f6tasime sellega, h\u00e4vitasime selle ja ostsime veel 10. Me ei osta riistvara, kuid teame, et see peaks kuskil olema. Kui oled oma ettev\u00f5tte infrastruktuuri lisanud salvestusseadmestiku, siis t\u00f5en\u00e4oliselt panid selle serveririiulisse. Just seet\u00f5ttu pakuvad pilvetehnoloogia teenusepakkujad sulle osa oma suurtest serveririiulitest. Need on nn andmekeskused (data center). Need on suured kompleksid, mis asuvad peaaegu kogu planeedil. Ehitused asuvad tavaliselt l\u00e4hedal kohtadele, mis v\u00f5ivad v\u00e4hemalt osa aastast pakkuda looduslikku jahutust, kuid m\u00f5ned teenusepakkujad v\u00f5ivad ehitada ka Nevada k\u00f5rbes. Lisaks sellele, et hiiglaslikku hangarit paigaldatakse mitusada riiulit, hoolitseb teenusepakkuja ka soojusvahetuse eest (k\u00f5ik teavad, et arvuteid ei saa k\u00fclmutada ega \u00fcle kuumutada?), samuti teie andmete turvalisuse eest, eelk\u00f5ige f\u00fc\u00fcsilisel tasandil, nii et andmekeskusse sisenemine ebaseaduslikult on t\u00f5en\u00e4oliselt keeruline. Andmete salvestamise meetodid andmekeskustes erinevad teenusepakkujate l\u00f5ikes: m\u00f5ned teevad jaotatud salvestusi erinevate andmekeskuste vahel, teised hoiavad andmeid usaldusv\u00e4\u00e4rselt \u00fches kohas. <\/p>\n<h2>3.2. Pilved praegu ja minevikus. Teenusepakkujad<\/h2>\n<p>\nAjalukku s\u00fc\u00fcvides v\u00f5ib m\u00e4rkida, et esimeseid eeltingimusi t\u00e4nap\u00e4evaste pilveplatvormide loomiseks hakati seadma juba 20. sajandi 70. aastatel, kui t\u00f6\u00f6tati v\u00e4lja ja rakendati interneti protot\u00fc\u00fcpi ARPANET. Sel ajal r\u00e4\u00e4kisime v\u00f5imalusest, et inimesed suudavad l\u00e4bi v\u00f5rgu saada k\u00f5iki v\u00f5imalikke teenuseid. Aja m\u00f6\u00f6dudes muutusid kanalid \u00fcha stabiilsemaks ja laiemaks, 1999. aastal tutvustatakse esimest kommertskasutuseks m\u00f5eldud CRM s\u00fcsteemi, mis on saadaval ainult tellimuse alusel ja mida peetakse esimeseks SaaS-iks, mille eksemplarid on hoitud \u00fches andmekeskuses. Hiljem eraldas ettev\u00f5te mitu osakonda, mis pakkusid tellimuse alusel PaaS-i, sealhulgas erijuhtum BDaaS (andmebaas teenusena). Aastal 2002 t\u00f5i Amazon turule teenuse, mis v\u00f5imaldab andmete salvestamist ja t\u00f6\u00f6tlemist, ning 2008. aastal esitles teenust, mille abil saavad kasutajad luua enda virtuaalseid masinaid, mis t\u00e4histab suure pilvetehnoloogia ajastu algust. <\/p>\n<p>Praegu r\u00e4\u00e4gitakse suurest kolmikust (kuigi ma n\u00e4en kuue kuu p\u00e4rast suurt nelikut): Amazon Web Services, Microsoft Azure, Google Cloud Platform\u2026 Yandex Cloud. Erilisi tundeid tekitab viimane, kuna kui meie kaasmaalased tungivad kiiresti maailmasse \u2014 uhkus jookseb selgroos. <\/p>\n<p>Samuti on palju ettev\u00f5tteid, n\u00e4iteks Oracle v\u00f5i Alibaba, kellel on oma pilved, kuid teatud asjaolude t\u00f5ttu ei ole nad kasutajate seas nii populaarsed. Ja muidugi on ka meie poisid,<a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/\"   title=\"hostinguteenuse pakkujad\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1193\">hostinguteenuse pakkujad<\/a>, kes on samuti teenusepakkujad, pakkudes PaaS v\u00f5i SaaS lahendusi. <\/p>\n<h2>3.3. Hindamine ja toetused<\/h2>\n<p>\nMa ei j\u00e4\u00e4ks liiga pikalt r\u00e4\u00e4kima teenusepakkujate hinnakujundusest, sest vastasel juhul oleks see avalik reklaam. Tahan r\u00f5hutada, et k\u00f5ik suuremad ettev\u00f5tted pakuvad toetusi vahemikus 200 kuni 700 dollarit aastas v\u00f5i l\u00fchemate perioodide jooksul, et saaksite kasutajatena proovida nende lahenduste j\u00f5udu ja m\u00f5ista, mis on teile vajalik. <\/p>\n<p>Samuti k\u00f5ik ettev\u00f5tted suurtest kolmikust\u2026 v\u00f5i nelikust, mis varsti\u2026 pakuvad v\u00f5imalust liituda partnerite ridadesse, korraldavad seminare ja koolitusi, pakuvad sertifitseerimist ja soodustusi oma toodetele.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/449618\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>1.1. \u0412\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u0413\u043e\u0432\u043e\u0440\u044f \u043e \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0438 \u0418\u0422 \u0432 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0435 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043b\u0435\u0442, \u043d\u0435\u043b\u044c\u0437\u044f \u043d\u0435 \u043e\u0442\u043c\u0435\u0442\u0438\u0442\u044c \u0434\u043e\u043b\u044e \u041e\u0431\u043b\u0430\u0447\u043d\u044b\u0445 \u0440\u0435\u0448\u0435\u043d\u0438\u0439 \u0441\u0440\u0435\u0434\u0438 \u043f\u0440\u043e\u0447\u0438\u0445. \u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u0440\u0430\u0437\u0431\u0435\u0440\u0435\u043c\u0441\u044f, \u0447\u0442\u043e \u0436\u0435 \u0442\u0430\u043a\u043e\u0435 \u043e\u0431\u043b\u0430\u0447\u043d\u044b\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u044f, \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 \u0438 \u0442.\u0434. \u041e\u0431\u043b\u0430\u0447\u043d\u044b\u0435 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u044f (\u0438\u043b\u0438 \u0436\u0435 \u043e\u0431\u043b\u0430\u0447\u043d\u044b\u0435 \u0441\u0435\u0440\u0432\u0438\u0441\u044b) \u2014 \u044d\u0442\u043e \u043e\u0441\u043e\u0431\u044b\u0439 \u043d\u0430\u0431\u043e\u0440 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u043e\u0432 \u0438 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u043b\u043e\u0433\u0438\u0441\u0442\u0438\u043a\u0438, \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u043d\u0430 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u044b\u0445 \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0440\u0435\u0441\u0443\u0440\u0441\u0430\u0445, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0432\u0445\u043e\u0434\u044f\u0442 \u0441\u0435\u0440\u0432\u0435\u0440\u0430, \u0441\u0438\u0441\u0442\u0435\u043c\u044b 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