Bij @Valley krijgen we steeds vaker de vraag ‘of de cloud iets voor ons is’. Het antwoord hierop is wat ons betreft: nee, zeker niet altijd. De 8 belangrijkste redenen waarom de cloud niet altijd een goed alternatief voor on-premise is.
1. De cloud is niet goedkoper
De cloud wordt vaak gezien als een manier om snel en eenvoudig kosten te besparen. In de praktijk blijkt de cloud echter lang niet altijd goedkoper te zijn dan ‘in house’ IT. Vooral voor grotere, complexe organisaties en IT omgevingen is de public cloud geen match voor on premise, als het gaat om functionaliteit en prijs.
2. Zorgen over uw data in de cloud
De belangrijkste redenen om workloads in het datacenter te houden hebben te maken met zorgen over de data. Specifieke aandachtspunten zijn: informatiebeveiliging, data privacy c.q. wet- en regelgeving en bedrijfsbeleid.
3. Afhankelijkheid van de cloud provider
Waar u bij een eigen IT infrastructuur volledige controle over werkzaamheden en prioriteiten heeft, bent u bij een cloud provider één van de vele gebruikers van de hard- en software. Goede intenties en sluitende SLA’s ten spijt; het kan altijd gebeuren dat de samenwerking niet bevalt. Hoe voorkomt u een vendor lock-in? Hoe krijgt u uw data terug als u naar een andere provider wilt overstappen?
4. “Omdat de buurman het heeft”
Kent u dat, iemand die op een feestje zegt: “Weet je wat jij moet doen? Je moet gewoon naar de cloud gaan, dat is veel beter!”. Wij geloven zeker in flexibiliteit en innovatie, maar een grootscheepse verandering zonder goed onderbouwde business case is nooit een goed plan.
5. Onvoldoende bandbreedte
Bandbreedte, latency, redundantie in de internet verbinding: biedt uw netwerk binnen en buiten de deur wel voldoende capaciteit en betrouwbaarheid voor grootschalig gebruik van applicaties over het internet?
6. Eenzijdig sturen op kosten
Een lage prijs betekent per definitie een uitgeklede SLA. Is de doelstelling een directe bezuiniging? Hou dan rekening met verminderde tevredenheid bij gebruikers, minder functionaliteit en minder ondersteuning vanuit de leverancier.
7. Budgetteer realistisch
Zoals een van onze collega’s laatst zei: “De voordelige cloud hebben wij nog niet gevonden.” Vergeet de zogenaamde ‘verborgen kosten’ niet, zoals de kosten van de migratie naar de cloud. Sommige kosten zijn lastig te calculeren, omdat de billing metrics van sommige cloud oplossingen zijn gebaseerd op bijvoorbeeld disk I/O.
8. Meer complexiteit
Verhuist u een deel van uw IT omgeving naar de cloud? Hou in een hybride situatie rekening met een toename in de complexiteit. Applicaties in de cloud en in het datacenter moeten worden geïntegreerd en ‘in sync’ worden gehouden. Leveranciers en SLA’s moeten worden gemanaged en gebruikers werken in diverse omgevingen.
Kiest u (niet) voor de cloud?
Onze mening: het gaat niet om de mythe, maar om de toepasbaarheid van de cloud. Cloud oplossingen kunnen wel degelijk in veel gevallen grote voordelen bieden. Wilt u weten welke? Lees dan ook de blog met 8 redenen om wel voor de cloud te kiezen.
De Cloud volgens @Valley
Wij helpen onze klanten de regie te voeren over hun ICT omgeving, of die nu on-premise of in de cloud staat. Wij onderzoeken of de cloud een valide optie voor u is. Brengen afhankelijkheden en valkuilen in kaart, en bepalen of applicaties en devices geschikt zijn voor de cloud. Kijken naar security en toegangscontrole. Helpen een cloud roadmap uit te stippelen en wanneer alle seinen op groen staan, zorgen wij voor een vlekkeloze migratie.
Meer weten?
Download ons whitepaper “Cloud Computing”. Vul uw naam en emailadres in, dan sturen wij u het whitepaper toe !
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