What Is the Cloud? IaaS, PaaS, SaaS, Serverless, Shared Responsibility, Regions and Availability Zones
The cloud means renting capacity in minutes through an API and paying for what you use; IaaS, PaaS, SaaS and serverless decide which layer of the stack is left to you. We cover the shared responsibility matrix, regions, availability zones and region pairs, the questions to ask about KVKK, a composite SLA calculation for Bookstore (99.94%, about 26 minutes a month) and when the cloud gets expensive, with AWS and GCP equivalents.
15 Nov 2026
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12 min
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10
