<\/a><\/noindex>Obecn\u00e1 atraktivita ve\u0159ejn\u00e9ho cloudu a jeho vhodnost pro konkr\u00e9tn\u00ed organizaci z\u00e1vis\u00ed na n\u011bkolika faktorech. Mezi nimi je dostupnost IT person\u00e1lu a \u00farove\u0148 jeho odbornosti, obavy o \u00farove\u0148 kontroly, ochranu dat a bezpe\u010dnosti obecn\u011b, preference spole\u010dnosti ohledn\u011b financov\u00e1n\u00ed (jde o provozn\u00ed a kapit\u00e1lov\u00e9 n\u00e1klady) a samoz\u0159ejm\u011b cena hotov\u00e9ho \u0159e\u0161en\u00ed. Podle jin\u00e9ho v\u00fdzkumu proveden\u00e9ho odborn\u00edky z Evaluator Group (\u201eHybridn\u00ed cloudov\u00e9 \u00falo\u017ei\u0161t\u011b pro podniky\u201c) byly kl\u00ed\u010dov\u00fdmi faktory v\u00fdb\u011bru pro respondenty bezpe\u010dnost a cena.<\/p>\n
Stejn\u011b jako dal\u0161\u00ed aplikace funguj\u00edc\u00ed v datov\u00fdch centrech je infrastruktura VDI dostupn\u00e1 jako slu\u017eba od r\u016fzn\u00fdch poskytovatel\u016f ve\u0159ejn\u00e9ho cloudu. Pro podniky, kter\u00e9 si vyb\u00edraj\u00ed ve\u0159ejn\u00fd cloud pro VDI, je cena d\u016fle\u017eit\u00fdm faktorem rozhodov\u00e1n\u00ed. V t\u00e9to studii se porovn\u00e1v\u00e1 celkov\u00e1 cena vlastnictv\u00ed (TCO \u2013 Total Cost of Ownership) m\u00edstn\u00edho \u0159e\u0161en\u00ed VDI a VDI provozovan\u00e9ho v r\u00e1mci ve\u0159ejn\u00e9ho cloudu. Konkr\u00e9tn\u011b jde o \u0159e\u0161en\u00ed jako je syst\u00e9m Dell EMC VxBlock 1000 s VMware Horizon a WorkSpaces v Amazon cloudu.<\/p>\n
Model TCO<\/h2>\n \nCelkov\u00e1 cena vlastnictv\u00ed je koncept, kter\u00fd se b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 p\u0159i hodnocen\u00ed n\u00e1kupu IT vybaven\u00ed. TCO zohled\u0148uje nejen po\u0159izovac\u00ed n\u00e1klady, ale tak\u00e9 n\u00e1klady na nasazen\u00ed a provoz zvolen\u00e9ho za\u0159\u00edzen\u00ed. Konvergentn\u00ed infrastruktury, jako je Dell EMC VxBlock 1000, zjednodu\u0161ily tradi\u010dn\u00ed prost\u0159ed\u00ed, aby sn\u00ed\u017eily n\u00e1klady na n\u00e1vrh, po\u0159\u00edzen\u00ed a st\u00e1vaj\u00edc\u00ed \u00fadr\u017ebu. Krom\u011b toho VMware Horizon zjednodu\u0161uje aspekty spojen\u00e9 s provozem d\u00edky t\u011bsn\u00e9 integraci s ostatn\u00edmi produkty VMware, kter\u00e9 se dnes staly b\u011b\u017en\u00fdmi v podnikov\u00fdch IT.<\/p>\n
V r\u00e1mci tohoto \u0159e\u0161en\u00ed pro Dell EMC VxBlock 1000 budou zva\u017eov\u00e1ny dva r\u016fzn\u00e9 u\u017eivatelsk\u00e9 profily. Prvn\u00ed \u2013 Knowledge Worker \u2013 je v podstat\u011b ur\u010den pro b\u011b\u017en\u00e9 kancel\u00e1\u0159sk\u00e9 sc\u00e9n\u00e1\u0159e pr\u00e1ce bez zv\u00fd\u0161en\u00fdch po\u017eadavk\u016f na v\u00fdpo\u010detn\u00ed zdroje. Druh\u00fd \u2013 Power Worker \u2013 je ur\u010den pro pracovn\u00edky, kte\u0159\u00ed pot\u0159ebuj\u00ed intenzivn\u011bj\u0161\u00ed v\u00fdpo\u010dty. V AWS WorkSpaces mohou b\u00fdt porovn\u00e1ny se standardn\u00edm bal\u00ed\u010dkem a Performance Bundle odpov\u00eddaj\u00edc\u00edm zp\u016fsobem. <\/p>\n
Konfigurace VDI pro u\u017eivatelsk\u00e9 profily<\/i><\/p>\nM\u00edstn\u00ed infrastruktura<\/h2>\n
\nKonvergentn\u00ed syst\u00e9m Dell EMC VxBlock zahrnuje \u00falo\u017ei\u0161t\u011b Dell EMC, serverov\u00e1 a s\u00ed\u0165ov\u00e1 \u0159e\u0161en\u00ed CISCO UCS, stejn\u011b jako softwarovou platformu VMware Horizon VDI. Pro lok\u00e1ln\u00ed infrastrukturu byl softwarov\u00fd stack VMware Horizon nasazen na standardn\u00edch x86 serverech, kter\u00e9 se \u0161k\u00e1luj\u00ed podle po\u010dtu u\u017eivatel\u016f. Kapacita \u00falo\u017ei\u0161t\u011b pro software a u\u017eivatelsk\u00e9 \u00fa\u010dty je zaji\u0161t\u011bna d\u00edky flash-pol\u00edm p\u0159ipojen\u00fdm pomoc\u00ed Fibre Channel SAN. Spr\u00e1va infrastruktury byla prov\u00e1d\u011bna pomoc\u00ed Dell EMC AMP, standardn\u00ed sou\u010d\u00e1sti VxBlock, odpov\u00eddaj\u00edc\u00ed za management, monitoring a automatizaci syst\u00e9mu.<\/p>\n
Architekturu popisovan\u00e9 infrastruktury lze vid\u011bt na sch\u00e9matu n\u00ed\u017ee. Toto \u0159e\u0161en\u00ed bylo p\u016fvodn\u011b navr\u017eeno pro prost\u0159ed\u00ed s 2500 virtu\u00e1ln\u00edmi pracovn\u00edmi stoly a m\u016f\u017ee b\u00fdt \u0161k\u00e1lov\u00e1no a\u017e na limit 50 000 pracovn\u00edch stol\u016f p\u0159id\u00e1n\u00edm nov\u00fdch komponent v r\u00e1mci stejn\u00e9ho designu. Jako z\u00e1klad pro tuto studii byla zvolena infrastruktura zahrnuj\u00edc\u00ed 5000 virtu\u00e1ln\u00edch pracovn\u00edch m\u00edst. <\/p>\n
Architektonick\u00fd design Dell EMC VxBlock 1000<\/i><\/p>\n
Komponenty lok\u00e1ln\u00ed infrastruktury VDI<\/b><\/p>\n\nCisco UCS C240 M5 (2U) \u2013 dva procesory Intel Xeon Gold 6138 2 GHz, Cisco Network Assistant, 768 GB pam\u011bti pro profily Power Worker a 576 GB pam\u011bti pro profily Knowledge Worker. Jako \u00falo\u017ei\u0161t\u011b u\u017eivatelsk\u00fdch dat slou\u017e\u00ed extern\u00ed flash-array p\u0159ipojen\u00fd pomoc\u00ed SAN. <\/li>\n Cisco UCS C220 M5 SX (1U) \u2013 dva procesory Intel Xeon Silver 4114 2,2 GHz, CNA a 192 GB pam\u011bti. Tyto servery podporuj\u00ed platformu Dell EMC Advanced Manager a pou\u017e\u00edvaj\u00ed spole\u010dn\u00e9 \u00falo\u017ei\u0161t\u011b poskytovan\u00e9 syst\u00e9mem horizont\u00e1ln\u00edho \u0161k\u00e1lov\u00e1n\u00ed Dell EMC Unity. <\/li>\n Cisco Nexus 2232PP (1U) \u2013 p\u0159ep\u00edna\u010d s 32 porty, FCoE 10 Gb\/s. Zaji\u0161\u0165uje dostate\u010dnou \u00farove\u0148 p\u0159\u00edstupu pro prost\u0159ed\u00ed s velk\u00fdm mno\u017estv\u00edm server\u016f. <\/li>\n Cisco Nexus 9300 (1U) \u2013 p\u0159ep\u00edna\u010d se 36 porty, poskytuje p\u0159ipojen\u00ed k IP s\u00edti koncov\u00fdch u\u017eivatel\u016f.<\/li>\n Cisco Nexus 6454 (1U) \u2013 servery, kter\u00e9 zaji\u0161\u0165uj\u00ed konvergentn\u00ed s\u00ed\u0165ov\u00e9 p\u0159ipojen\u00ed pro v\u00fdpo\u010detn\u00ed servery, IP s\u00edt\u011b a Fibre Channel s\u00edt\u011b.<\/li>\n Cisco 31108EC (1U) \u2013 p\u0159ep\u00edna\u010d s 48 porty a 10\/100 Gb Ethernet, kter\u00fd zaji\u0161\u0165uje spojen\u00ed mezi servery AMP a \u00falo\u017ei\u0161t\u011bm, stejn\u011b jako zbytek konvergentn\u00ed infrastruktury. <\/li>\n Cisco MDS 9396S (2U) \u2013 p\u0159ep\u00edna\u010d s 48 porty Fibre Channel, zaji\u0161\u0165uje p\u0159ipojen\u00ed SAN pro pole XtremIO X2.<\/li>\n Dell EMC XtremIO X2 (5U) \u2013 pole flash pam\u011bti se dv\u011bma aktivn\u00edmi kontrolery, skl\u00e1daj\u00edc\u00ed se z 18 \u00d7 4 TB SSD. Umo\u017e\u0148uje spou\u0161t\u011bn\u00ed u\u017eivatelsk\u00fdch pracovn\u00edch stanic a software VDI.<\/li>\n Dell EMC Unity 300 (2U) \u2013 hybridn\u00ed \u00falo\u017ei\u0161t\u011b dat s SSD o velikosti 400\/600 GB a 10K HDD. Poskytuje mo\u017enosti pro podporu softwaru pro spr\u00e1vu struktury AMP.<\/li>\n VMware Horizon \u2013 softwarov\u00e1 platforma pro virtualizaci pro spr\u00e1vu virtu\u00e1ln\u00edch pracovn\u00edch stanic v podnikov\u00e9m prost\u0159ed\u00ed. Hypervisor vSphere je licencov\u00e1n jako sou\u010d\u00e1st VMware Horizon.<\/li>\n<\/ul>\n\nPro posouzen\u00ed TCO v r\u00e1mci t\u00e9to studie byla pou\u017eita jednoduch\u00e1 t\u0159\u00edlet\u00e1 amortizace bez zapo\u010dten\u00ed \u00farok\u016f. P\u0159edpokl\u00e1d\u00e1 se, \u017ee organizace, kter\u00e9 cht\u011bj\u00ed posoudit ekonomickou efektivnost po\u0159\u00edzen\u00ed takov\u00e9ho vybaven\u00ed, mohou bez obt\u00ed\u017e\u00ed zahrnout do v\u00fdpo\u010dt\u016f n\u00e1klady na leasing nebo kapit\u00e1l z intern\u00edch zdroj\u016f.<\/p>\n
N\u00e1klady na \u00fadr\u017ebu byly odhadnuty na 2000 $ na 42U m\u011bs\u00ed\u010dn\u011b a zahrnuj\u00ed n\u00e1klady na energii, chlazen\u00ed a m\u00edsto v racku. Bylo vypo\u010d\u00edt\u00e1no, \u017ee na administraci ka\u017ed\u00e9ho serveru je pot\u0159eba 0,2 hodiny t\u00fddn\u011b. Pro ka\u017ed\u00fd syst\u00e9m \u00falo\u017ei\u0161t\u011b jsou na aktualizace a \u00fadr\u017ebu pot\u0159eba jedna hodina t\u00fddn\u011b. Hodinov\u00e1 sazba administr\u00e1tor\u016f byla vypo\u010d\u00edt\u00e1na podle n\u00e1sleduj\u00edc\u00edho vzorce: \u201eRo\u010dn\u00ed hodinov\u00e1 mzda pln\u011b zam\u011bstnan\u00e9ho IT administr\u00e1tora (150 000 $) \/ 2000 pracovn\u00edch hodin za rok\u201c.<\/p>\n
V\u00fdpo\u010det celkov\u00fdch n\u00e1klad\u016f na vlastnictv\u00ed<\/h2>\n \nI kdy\u017e se syst\u00e9m skl\u00e1d\u00e1 z pom\u011brn\u011b velk\u00e9ho po\u010dtu r\u016fzn\u00fdch komponent, v\u00fdpo\u010dty n\u00e1klad\u016f se ve skute\u010dnosti ukazuj\u00ed jako docela jednoduch\u00e9. Jako p\u0159\u00edklad byla vybr\u00e1na prost\u0159ed\u00ed ur\u010den\u00e9 pro 5000 u\u017eivatel\u016f profilu Knowledge Worker. Stejn\u00e1 metodologie byla aplikov\u00e1na i na z\u00edsk\u00e1n\u00ed srovn\u00e1vac\u00edch n\u00e1klad\u016f na grafech, kter\u00e9 budou uvedeny d\u00e1le. Tyto n\u00e1klady na software a hardware, stejn\u011b jako n\u00e1klady na podporu, v\u010detn\u011b standardn\u00edho diskontov\u00e1n\u00ed, byly shrnuty spole\u010dn\u011b s n\u00e1klady na vybaven\u00ed a administrativn\u00edmi n\u00e1klady za obdob\u00ed vlastnictv\u00ed 3 roky. <\/p>\n
N\u00e1klady na infrastrukturu VDI pro 5000 pracovn\u00edk\u016f profilu Knowledge Worker:\nServery (v\u00fdpo\u010dty a management) \u2013 1 813 859 $<\/li>\n \u00dalo\u017ei\u0161t\u011b dat (syst\u00e9m VDI, u\u017eivatelsk\u00e1 data, syst\u00e9m spr\u00e1vy) \u2013 315 013 $<\/li>\n S\u00edt\u011b (LAN a SAN p\u0159ep\u00edna\u010de a dal\u0161\u00ed za\u0159\u00edzen\u00ed) \u2013 253 410 $<\/li>\n Software (platforma VDI, spr\u00e1va, licence v\u00e1zan\u00e9 na hardware) \u2013 2 061 430 $<\/li>\n Podpora (\u00fadr\u017eba a aktualizace softwaru a hardwaru) \u2013 224 293 $<\/li>\n Slu\u017eby (nasazen\u00ed hardwaru a softwaru) \u2013 78 664 $<\/li>\n N\u00e1klady na \u00fadr\u017ebu za 3 roky: 226 286 $<\/li>\n Administrativn\u00ed n\u00e1klady za 3 roky: 161 460 $<\/li>\n Celkem: 5 134 415 $<\/li>\n<\/ul>\n\nPokud celkov\u00e9 n\u00e1klady na virtu\u00e1ln\u00ed pracovn\u00ed stanice rozd\u011bl\u00edme mezi 5000 zam\u011bstnanc\u016f a pot\u00e9 rozd\u011bl\u00edme na 36 m\u011bs\u00edc\u016f, dostaneme cenu $28,52<\/b> m\u011bs\u00ed\u010dn\u011b na jednoho u\u017eivatele profilu Knowledge Worker.<\/p>\nInfrastruktura ve\u0159ejn\u00e9ho cloudu<\/h2>\n
\nAmazon WorkSpaces je nab\u00eddka typu 'VDI jako slu\u017eba', kter\u00e1 funguje uvnit\u0159 cloudu AWS. Nab\u00edz\u00ed pracovn\u00ed stanice jak s Windows, tak s Linuxem, platba m\u016f\u017ee b\u00fdt prov\u00e1d\u011bna m\u011bs\u00ed\u010dn\u011b nebo na z\u00e1klad\u011b hodin. V dob\u011b v\u00fdzkumu bylo k dispozici 5 z\u00e1kladn\u00edch bal\u00ed\u010dk\u016f s r\u016fzn\u00fdmi syst\u00e9mov\u00fdmi konfiguracemi: od 1 vCPU a 2 GB RAM a\u017e po 8 vCPU a 32 GB RAM plus \u00falo\u017ei\u0161t\u011b dat. Jako z\u00e1klad pro toto porovn\u00e1n\u00ed TCO byly vybr\u00e1ny dv\u011b konfigurace s pracovn\u00edmi stanicemi na Linuxu. Tato cena plat\u00ed tak\u00e9 v r\u00e1mci konceptu 'p\u0159ineste si vlastn\u00ed' (Bring Your Own) pro licencov\u00e1n\u00ed Windows. Mnoho firem u\u017e m\u00e1 dlouhodob\u00e9 podnikov\u00e9 licen\u010dn\u00ed dohody s Microsoftem (ELA - Enterprise Licensing Agreement).<\/p>\n
\nStandardn\u00ed bal\u00ed\u010dek: 2 vCPU, 4 GB RAM na desktop, 80 GB v ko\u0159enov\u00e9m disku a 10 GB na u\u017eivatelsk\u00e9m disku pro sc\u00e9n\u00e1\u0159 Knowledge Worker \u2013 30,83 $ m\u011bs\u00ed\u010dn\u011b.<\/li>\n Bal\u00ed\u010dek s vy\u0161\u0161\u00edm v\u00fdkonem: 2 vCPU, 7,5 GB RAM na desktop, 80 GB v ko\u0159enov\u00e9m disku a 10 GB na u\u017eivatelsk\u00e9m disku pro sc\u00e9n\u00e1\u0159 Power Worker \u2013 53,91 $ m\u011bs\u00ed\u010dn\u011b.<\/li>\n<\/ol>\n\nOba bal\u00ed\u010dky zahrnuj\u00ed ko\u0159enov\u00fd (80 GB pro opera\u010dn\u00ed syst\u00e9m a souvisej\u00edc\u00ed soubory) a u\u017eivatelsk\u00fd (10 GB pro data zam\u011bstnanc\u016f) disk. P\u0159edpokl\u00e1dejme, \u017ee k v\u00fdpadk\u016fm nedojde, ale je t\u0159eba m\u00edt na pam\u011bti, \u017ee Amazon \u00fa\u010dtuje poplatky za ka\u017ed\u00fd pou\u017eit\u00fd gigabajt nad limit. Krom\u011b toho uveden\u00e9 ceny nezahrnuj\u00ed n\u00e1klady na p\u0159enos dat p\u0159es internet z AWS, ani n\u00e1klady na internet pro u\u017eivatele. Pro jednoduchost v\u00fdpo\u010dt\u016f model v\u00fdpo\u010dt\u016f v r\u00e1mci tohoto v\u00fdzkumu p\u0159edpokl\u00e1d\u00e1, \u017ee nejsou \u017e\u00e1dn\u00e9 n\u00e1klady na p\u0159enos p\u0159\u00edchoz\u00edch a odchoz\u00edch dat. <\/p>\n
V\u00fd\u0161e uveden\u00e9 cenov\u00e9 pl\u00e1ny nezahrnuj\u00ed n\u00e1klady na \u0161kolen\u00ed k syst\u00e9mu, ale zahrnuj\u00ed technickou podporu AWS Business Support. A\u010dkoli uveden\u00e1 cena na u\u017eivatele je pevn\u00e1, n\u00e1klady na tuto podporu se pohybuj\u00ed od zhruba 7 % na u\u017eivatele pro skupinu 2500 u\u017eivatel\u016f a\u017e po p\u0159ibli\u017en\u011b 3 % na u\u017eivatele ve skupin\u011b 50 000 u\u017eivatel\u016f. To je zohledn\u011bno v v\u00fdpo\u010dtech. <\/p>\n
Tak\u00e9 dod\u00e1v\u00e1me, \u017ee se jedn\u00e1 o model cenotvorby \"na vy\u017e\u00e1d\u00e1n\u00ed\" bez doby platnosti. Nen\u00ed mo\u017en\u00e9 prov\u00e9st p\u0159edplatbu vy\u0161\u0161\u00ed, ne\u017e je z\u00e1loha, a nejsou \u017e\u00e1dn\u00e9 dlouhodob\u00e9 p\u0159edplatn\u00e9, kde se obvykle cena za del\u0161\u00ed obdob\u00ed sni\u017euje. Krom\u011b toho, pro zjednodu\u0161en\u00ed v\u00fdpo\u010dt\u016f, tento model TCO nezahrnuje kr\u00e1tkodob\u00e9 slevy a jin\u00e9 reklamn\u00ed nab\u00eddky. Nicm\u00e9n\u011b v r\u00e1mci tohoto srovn\u00e1n\u00ed jejich vliv byl v ka\u017ed\u00e9m p\u0159\u00edpad\u011b zanedbateln\u00fd.<\/p>\n
V\u00fdsledky<\/h2>\n \nProfil Knowledge Worker<\/b><\/p>\n
Na n\u00ed\u017ee uveden\u00e9m grafu je vid\u011bt, \u017ee po\u010d\u00e1te\u010dn\u00ed n\u00e1klady na m\u00edstn\u00ed \u0159e\u0161en\u00ed Dell EMC VxBlock 1000 pro VDI budou pro spole\u010dnost zhruba stejn\u00e9 jako n\u00e1klady na cloudov\u00e9 \u0159e\u0161en\u00ed AWS WorkSpaces, pokud skupina u\u017eivatel\u016f nep\u0159ekro\u010d\u00ed 2500 lid\u00ed. Ale v\u0161echno se m\u011bn\u00ed, kdy\u017e se zvy\u0161uje po\u010det virtu\u00e1ln\u00edch pracovn\u00edch stol\u016f. Pro spole\u010dnost s 5000 u\u017eivateli je VxBlock p\u0159ibli\u017en\u011b o 7 % levn\u011bj\u0161\u00ed, a pokud je t\u0159eba nasadit 20 000 virtu\u00e1ln\u00edch pracovn\u00edch stol\u016f, VxBlock \u0161et\u0159\u00ed v\u00edce ne\u017e 20 % ve srovn\u00e1n\u00ed s cloudem AWS.<\/p>\n
Srovn\u00e1n\u00ed n\u00e1klad\u016f na VDI \u0159e\u0161en\u00ed zalo\u017een\u00e9 na VxBlock a AWS WorkSpaces pro profil Knowledge Worker, cena za jeden virtu\u00e1ln\u00ed pracovn\u00ed st\u016fl za m\u011bs\u00edc<\/i><\/p>\n
Profil Power Worker<\/b><\/p>\n
Na n\u00e1sleduj\u00edc\u00edm grafu se porovn\u00e1v\u00e1 celkov\u00e1 cena vlastnictv\u00ed pro profil Power Worker v m\u00edstn\u00edm VDI na b\u00e1zi VxBlock s bal\u00ed\u010dkem \"Performance\" v AWS WorkSpaces. P\u0159ipom\u00edn\u00e1me, \u017ee zde, na rozd\u00edl od profilu Knowledge Worker, existuj\u00ed tak\u00e9 rozd\u00edly v hardwaru: 4 vCPU a 8 GB pam\u011bti v VxBlock a 2 vCPU s 7,5 GB pam\u011bti v AWS. Zde se ukazuje, \u017ee \u0159e\u0161en\u00ed VxBlock je v\u00fdrazn\u011b v\u00fdhodn\u011bj\u0161\u00ed i v r\u00e1mci skupiny 2500 u\u017eivatel\u016f, a celkov\u011b \u00faspora dosahuje 30-45 %. <\/p>\n
Srovn\u00e1n\u00ed n\u00e1klad\u016f na VDI \u0159e\u0161en\u00ed zalo\u017een\u00e9 na VxBlock a AWS WorkSpaces pro profil Power Worker, cena za jeden virtu\u00e1ln\u00ed pracovn\u00ed st\u016fl za m\u011bs\u00edc<\/i><\/p>\nPerspektiva v d\u00e9lce 3 let<\/h2>\n
\nKrom\u011b pr\u016fm\u011brn\u00fdch n\u00e1klad\u016f na u\u017eivatele je pro firmy tak\u00e9 nesm\u00edrn\u011b d\u016fle\u017eit\u00e9 vyhodnotit \u00faspory plynouc\u00ed z vybran\u00fdch infrastrukturn\u00edch \u0159e\u0161en\u00ed v pr\u016fb\u011bhu n\u011bkolika let. Z\u00e1v\u011bre\u010dn\u00fd graf ukazuje, jak rozd\u00edl v celkov\u00fdch n\u00e1kladech na vlastnictv\u00ed za 36 m\u011bs\u00edc\u016f p\u0159in\u00e1\u0161\u00ed ohromuj\u00edc\u00ed kumulativn\u00ed hospod\u00e1\u0159sk\u00fd efekt. V sc\u00e9n\u00e1\u0159i Power Worker pro 10 000 virtu\u00e1ln\u00edch pracovn\u00edch stanic se ukazuje, \u017ee \u0159e\u0161en\u00ed AWS je p\u0159ibli\u017en\u011b o 8,5 milionu dolar\u016f dra\u017e\u0161\u00ed ne\u017e \u0159e\u0161en\u00ed zalo\u017een\u00e9 na VxBlock. V sc\u00e9n\u00e1\u0159i Knowledge Worker za stejn\u00e9 \u010dasov\u00e9 obdob\u00ed pro stejn\u00e9 mno\u017estv\u00ed u\u017eivatel\u016f dosahuje kumulativn\u00ed \u00faspora 2 miliony dolar\u016f. <\/p>\n
Celkov\u00e9 n\u00e1klady na \u00fadr\u017ebu 10 000 virtu\u00e1ln\u00edch pracovn\u00edch stanic v m\u00edstn\u00ed infrastruktu\u0159e na b\u00e1zi VxBlock a v ve\u0159ejn\u00e9m cloudu AWS WorkSpaces pro 10 000 u\u017eivatel\u016f profilu Power Worker<\/i><\/p>\nPro\u010d jsou n\u00e1klady na m\u00edstn\u00ed VDI \u0159e\u0161en\u00ed ni\u017e\u0161\u00ed?<\/h2>\n
\nSn\u00ed\u017een\u00ed n\u00e1klad\u016f na m\u00edstn\u00ed VDI \u0159e\u0161en\u00ed na uveden\u00fdch grafech odr\u00e1\u017e\u00ed dva z\u00e1kladn\u00ed principy: efekt m\u011b\u0159\u00edtka a maximalizaci zdroj\u016f. Jak ji\u017e je zvykem p\u0159i po\u0159\u00edzen\u00ed jak\u00e9koliv jin\u00e9 infrastruktury, v t\u00e9to korpor\u00e1tn\u00ed v\u00fdpo\u010detn\u00ed prost\u0159ed\u00ed existuj\u00ed po\u010d\u00e1te\u010dn\u00ed n\u00e1klady na vybudov\u00e1n\u00ed syst\u00e9mu. Jakmile se tyto po\u010d\u00e1te\u010dn\u00ed n\u00e1klady rozprost\u0159ou na v\u011bt\u0161\u00ed mno\u017estv\u00ed u\u017eivatel\u016f, dodate\u010dn\u00e9 n\u00e1klady se sni\u017euj\u00ed. VDI tak\u00e9 optimalizuje vyu\u017eit\u00ed zdroj\u016f, v tomto p\u0159\u00edpad\u011b \u0159\u00edzen\u00edm rozd\u011blov\u00e1n\u00ed jader CPU. Abstrakce dat, v\u00fdpo\u010dt\u016f a s\u00edt\u00ed umo\u017e\u0148uje t\u011bmto syst\u00e9m\u016fm \u201ep\u0159e\u00fapis\u201c fyzick\u00fdch zdroj\u016f na ur\u010dit\u00e9 pom\u011bry a t\u00edm sni\u017eovat n\u00e1klady na u\u017eivatele. V rozs\u00e1hl\u00fdch prost\u0159ed\u00edch, jako je ve\u0159ejn\u00fd cloud, se pou\u017e\u00edvaj\u00ed mnoh\u00e9 z t\u011bchto stejn\u00fdch princip\u016f \u00faspor, ale nevracej\u00ed tuto \u00fasporu sv\u00fdm u\u017eivatel\u016fm. <\/p>\n
A co 5let\u00e1 doba vlastnictv\u00ed?<\/h2>\n \nOpravu, mnoho organizac\u00ed udr\u017euje IT syst\u00e9my d\u00e9le ne\u017e 3 roky: \u010dasto se tato doba pohybuje mezi 4-5 lety. Syst\u00e9m Dell EMC VxBlock 1000 je navr\u017een tak, aby jeho architektura umo\u017e\u0148ovala aktualizaci jednotliv\u00fdch komponent nebo modernizaci st\u00e1vaj\u00edc\u00edch bez nutnosti prudk\u00e9ho p\u0159echodu na zcela nov\u00fd syst\u00e9m.<\/p>\n
Pokud by byly st\u00e1l\u00e9 a prom\u011bnn\u00e9 n\u00e1klady z tohoto modelu vyj\u00e1d\u0159eny za \u010dasov\u00e9 obdob\u00ed 5 let, klesly by p\u0159ibli\u017en\u011b o 37 % (s v\u00fdjimkou dvou dal\u0161\u00edch let administrace a podpory). A nakonec by lok\u00e1ln\u00ed VDI \u0159e\u0161en\u00ed zalo\u017een\u00e9 na Dell EMC VxBlock 1000 pro 5000 Knowledge Workers vy\u0161lo na $17,98 na u\u017eivatele m\u00edsto p\u016fvodn\u00edch $28,52. Pro 5000 Power Workers by se n\u00e1klady sn\u00ed\u017eily z $34,38 na $21,66 na u\u017eivatele. P\u0159i\u010dem\u017e p\u0159i pevn\u00e9 cen\u011b cloudov\u00e9ho \u0159e\u0161en\u00ed AWS WorkSpaces by cena z\u016fstala b\u011bhem 5let\u00e9ho obdob\u00ed nezm\u011bn\u011bna.<\/p>\n
U\u017eivatelsk\u00e1 zku\u0161enost a riziko<\/h2>\n \nVDI je kriticky d\u016fle\u017eit\u00e1 aplikace, kter\u00e1 ovliv\u0148uje ka\u017ed\u00e9ho zam\u011bstnance a zaji\u0161\u0165uje p\u0159\u00edstup k t\u011bm nejvy\u0161\u0161\u00edm \u00farovn\u00edm spole\u010dnosti. P\u0159i nahrazen\u00ed vlastn\u00edho pracovn\u00ed desktopu zam\u011bstnance VDI (a\u0165 u\u017e cloudov\u00fdm nebo intern\u00edm \u0159e\u0161en\u00edm) je nezbytn\u00e9 zajistit stejnou u\u017eivatelskou zku\u0161enost, proto je z\u00e1sadn\u00ed vyhodnotit potenci\u00e1ln\u00ed rizika. Udr\u017een\u00ed syst\u00e9mu VDI na m\u00edst\u011b poskytuje vy\u0161\u0161\u00ed \u00farove\u0148 kontroly nad infrastrukturou a potenci\u00e1ln\u011b m\u016f\u017ee sn\u00ed\u017eit tato rizika. <\/p>\n
Zohledn\u011bn\u00ed mo\u017enost\u00ed p\u0159ipojen\u00ed a \u0161\u00ed\u0159ky p\u00e1sma ve\u0159ejn\u00e9ho internetu pro cloudov\u00e9 desktopov\u00e9 slu\u017eby m\u016f\u017ee p\u0159idat dal\u0161\u00ed \u00farove\u0148 rizika pro prost\u0159ed\u00ed. Nav\u00edc zam\u011bstnanci \u010dasto pou\u017e\u00edvaj\u00ed USB za\u0159\u00edzen\u00ed pro ukl\u00e1d\u00e1n\u00ed dat a perifern\u00ed za\u0159\u00edzen\u00ed, z nich\u017e mnoh\u00e9 nejsou podporov\u00e1ny v AWS WorkSpaces.<\/p>\n
V jak\u00fdch situac\u00edch se ve\u0159ejn\u00fd cloud nejl\u00e9pe hod\u00ed?<\/h2>\n \nN\u00e1klady produktu AWS WorkSpaces se odhaduj\u00ed na z\u00e1klad\u011b po\u010dtu u\u017eivatel\u016f m\u011bs\u00ed\u010dn\u011b nebo za m\u011bs\u00edce. To m\u016f\u017ee b\u00fdt v\u00fdhodn\u00e9 pro kr\u00e1tkodob\u00e9 aplikace nebo v p\u0159\u00edpadech, kdy je t\u0159eba v\u0161e implementovat v co nejkrat\u0161\u00edm \u010dase. Tento p\u0159\u00edstup m\u016f\u017ee b\u00fdt tak\u00e9 atraktivn\u00ed pro spole\u010dnosti, kter\u00e9 nemaj\u00ed hlubokou odbornost v oblasti IT nebo nemaj\u00ed z\u00e1jem ani mo\u017enosti pokr\u00fdt kapit\u00e1lov\u00e9 v\u00fddaje. A\u010dkoli VDI v ve\u0159ejn\u00e9m cloudu je vhodn\u00e9 pro mal\u00e9 a st\u0159edn\u00ed podniky, jako\u017e i pro kr\u00e1tkodob\u00e9 aplikace, pro \u00fakoly spojen\u00e9 s hlavn\u00edmi IT slu\u017ebami, jako je virtualizace pracovn\u00edch m\u00edst ve velk\u00fdch podnic\u00edch, ji\u017e nemus\u00ed b\u00fdt tento p\u0159\u00edstup zcela vyhovuj\u00edc\u00ed.<\/p>\n
Shrnut\u00ed a z\u00e1v\u011br<\/h2>\n \nVDI je technologie, kter\u00e1 p\u0159esouv\u00e1 v\u00fdpo\u010detn\u00ed aplikace a u\u017eivatelskou infrastrukturu z pracovn\u00ed stanice do datov\u00e9ho centra. Do ur\u010dit\u00e9 m\u00edry poskytuje n\u011bkter\u00e9 \u201ecloudov\u00e9\u201c v\u00fdhody, spojuj\u00edc\u00ed spr\u00e1vu pracovn\u00edch stanic a zdroje na dedikovan\u00fdch serverech a ve sd\u00edlen\u00e9m \u00falo\u017ei\u0161ti. To m\u016f\u017ee sn\u00ed\u017eit administrativn\u00ed n\u00e1klady a optimalizovat vyu\u017eit\u00ed zdroj\u016f, \u010d\u00edm\u017e sni\u017euje n\u00e1klady. V podstat\u011b v\u011bt\u0161ina projekt\u016f VDI je motivov\u00e1na (alespo\u0148 z\u010d\u00e1sti) pot\u0159ebou sn\u00ed\u017een\u00ed n\u00e1klad\u016f pro podnik. <\/p>\n
Ale co spu\u0161t\u011bn\u00ed VDI v ve\u0159ejn\u00e9m cloudu? M\u016f\u017ee to p\u0159in\u00e9st \u00faspory ve srovn\u00e1n\u00ed s lok\u00e1ln\u00edm VDI? V p\u0159\u00edpad\u011b mal\u00fdch organizac\u00ed nebo kr\u00e1tkodob\u00fdch nasazen\u00ed \u2013 mo\u017en\u00e1, ano. Ale pro organizaci, kter\u00e1 chce udr\u017eovat n\u011bkolik tis\u00edc nebo des\u00edtek tis\u00edc pracovn\u00edch stanic, bude odpov\u011bd\u00ed \u201ene\u201c. Pro velk\u00e9 podnikov\u00e9 projekty VDI se cloud ukazuje jako v\u00fdrazn\u011b dra\u017e\u0161\u00ed.<\/p>\n
V t\u00e9to studii celkov\u00fdch n\u00e1klad\u016f na vlastnictv\u00ed odborn\u00edci Evaluator Group porovnali n\u00e1klady na lok\u00e1ln\u00ed VDI \u0159e\u0161en\u00ed zalo\u017een\u00e9 na Dell EMC VxBlock 1000 s VMware Horizon s n\u00e1klady na cloudov\u00e9 VDI v r\u00e1mci AWS WorkSpaces. V\u00fdsledky uk\u00e1zaly, \u017ee v prost\u0159ed\u00edch s 5000 nebo 10 000 pracovn\u00edky typu Knowledge Worker nebo v\u00edce, \u00faspora z rozsahu sn\u00ed\u017eila n\u00e1klady na lok\u00e1ln\u00ed VDI na jednu pracovn\u00ed stanici o v\u00edce ne\u017e 20 %, zat\u00edmco cena cloudov\u00e9ho VDI se p\u0159i zvy\u0161ov\u00e1n\u00ed po\u010dtu u\u017eivatel\u016f prakticky nezm\u011bnila. Pro zam\u011bstnance typu Power Worker se rozd\u00edl v n\u00e1kladech uk\u00e1zal b\u00fdt je\u0161t\u011b v\u00fdrazn\u011bj\u0161\u00ed: \u0159e\u0161en\u00ed zalo\u017een\u00e9 na VxBlock bylo o 30-45 % \u00fasporn\u011bj\u0161\u00ed ne\u017e AWS. <\/p>\n
Krom\u011b rozd\u00edlu v n\u00e1kladech nab\u00edz\u00ed \u0159e\u0161en\u00ed na z\u00e1klad\u011b Dell EMC VxBlock 1000 lep\u0161\u00ed u\u017eivatelskou zku\u0161enost a d\u00e1v\u00e1 v\u00edce mo\u017enost\u00ed pro kontrolu spr\u00e1vc\u016fm IT infrastruktury. Zejm\u00e9na lok\u00e1ln\u00ed VDI \u0159e\u0161en\u00ed umo\u017e\u0148uje vyhnout se mnoha potenci\u00e1ln\u00edm rizik\u016fm souvisej\u00edc\u00edm s bezpe\u010dnost\u00ed, v\u00fdkonem a p\u0159enosem dat. <\/p>\n
Autorem studie je Eric Slack<\/a><\/noindex>, analytik Evaluator Group. <\/i><\/p>\nTo je v\u0161e. D\u011bkujeme, \u017ee jste do\u010detli a\u017e do konce! V\u00edce informac\u00ed o syst\u00e9mu Dell EMC VxBlock 1000<\/a><\/noindex> najdete zde. Pokud budete m\u00edt dotazy ohledn\u011b v\u00fdb\u011bru konfigurac\u00ed a n\u00e1kupu za\u0159\u00edzen\u00ed Dell EMC pro va\u0161e firmy, budeme, jako v\u017edy, r\u00e1di, \u017ee v\u00e1m m\u016f\u017eeme pomoci v soukrom\u00fdch zpr\u00e1v\u00e1ch. habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"\u0421\u0435\u0433\u043e\u0434\u043d\u044f \u043c\u044b \u0431\u044b \u0445\u043e\u0442\u0435\u043b\u0438 \u043d\u0435\u043c\u043d\u043e\u0433\u043e \u043f\u043e\u0433\u043e\u0432\u043e\u0440\u0438\u0442\u044c \u043e VDI. \u0412 \u0447\u0430\u0441\u0442\u043d\u043e\u0441\u0442\u0438 \u043e \u0442\u043e\u043c, \u0447\u0442\u043e \u043f\u043e\u0440\u043e\u0439 \u0441\u043e\u0437\u0434\u0430\u0435\u0442 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u0443\u044e \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0443 \u0432\u044b\u0431\u043e\u0440\u0430 \u0434\u043b\u044f \u0442\u043e\u043f-\u043c\u0435\u043d\u0435\u0434\u0436\u043c\u0435\u043d\u0442\u0430 \u043a\u0440\u0443\u043f\u043d\u044b\u0445 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0439: \u043a\u0430\u043a\u043e\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 \u043f\u0440\u0435\u0434\u043f\u043e\u0447\u0435\u0441\u0442\u044c \u2013 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0441\u0430\u043c\u043e\u0441\u0442\u043e\u044f\u0442\u0435\u043b\u044c\u043d\u043e \u0438\u043b\u0438 \u043f\u043e\u0434\u043f\u0438\u0441\u0430\u0442\u044c\u0441\u044f \u043d\u0430 \u0441\u0435\u0440\u0432\u0438\u0441 \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043f\u0443\u0431\u043b\u0438\u0447\u043d\u043e\u0433\u043e \u043e\u0431\u043b\u0430\u043a\u0430? \u041a\u043e\u0433\u0434\u0430 \u0441\u0447\u0451\u0442 \u0438\u0434\u0451\u0442 \u043d\u0435 \u043d\u0430 \u0441\u043e\u0442\u043d\u0438, \u0430 \u043d\u0430 \u0442\u044b\u0441\u044f\u0447\u0438 \u0441\u043e\u0442\u0440\u0443\u0434\u043d\u0438\u043a\u043e\u0432, \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e \u0432\u0430\u0436\u043d\u043e \u043f\u043e\u0434\u043e\u0431\u0440\u0430\u0442\u044c \u043e\u043f\u0442\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u0435, \u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u0432\u0441\u0451 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49177,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-49176","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t