Week 5 - BSIT - 400-T320 Cloud Computing & Governance - Understand Cloud Stack

The cloud stack refers to the layered architecture that enables cloud computing, consisting of three primary layers: Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). IaaS provides virtualized computing resources such as storage, networking, and virtual machines, replacing traditional physical infrastructure. PaaS builds on this by offering a platform for developers to build, deploy, and manage applications without worrying about the underlying infrastructure, allowing them to focus on coding and application logic. At the top of the stack, SaaS delivers fully managed software applications accessible via the web, such as Google Workspace or Salesforce, providing ease of use and minimal management for end users.

Together, these layers offer a flexible, scalable, and cost-efficient approach to managing IT services in the cloud. Companies can use all three layers simultaneously, with IaaS providing the foundational infrastructure, PaaS enabling rapid application development, and SaaS handling everyday business software needs. This layered approach allows businesses to tailor their cloud usage based on their technical requirements and operational goals, making the cloud stack an essential part of modern IT strategy.Top of Form

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