Understanding Cloud Computing Basics

What is Cloud Computing?

Cloud computing refers to the delivery of computing services—including software, storage, and processing power—over the internet ('the cloud') instead of on a local server or personal computer.

This model allows users to access resources on demand, scaling them up or down as needed. Key benefits include reduced IT costs, increased flexibility, and improved collaboration.

Types of Cloud Services

There are three primary types of cloud services:

**IaaS (Infrastructure as a Service):** Provides access to fundamental computing resources like virtual machines, storage, and networks.

**PaaS (Platform as a Service):** Offers a complete development environment in the cloud, simplifying application creation and deployment.

**SaaS (Software as a Service):** Delivers software applications over the internet, such as email or CRM systems.

IaaS → PaaS → SaaS

Cloud Deployment Models

Cloud computing can be deployed in several models:

**Public Cloud:** Services offered by third-party providers (e.g., AWS, Azure, Google Cloud) accessible to anyone.

**Private Cloud:** Infrastructure dedicated solely to a single organization, offering greater control and security.

**Hybrid Cloud:** A combination of public and private clouds, allowing organizations to leverage the benefits of both.

Key Advantages & Considerations

Cloud computing offers significant advantages like cost savings, scalability, and accessibility. However, it’s crucial to consider factors such as security, data privacy, and vendor lock-in.

Reliable internet connectivity is essential for accessing cloud services effectively.

Frequently asked questions

Try it live

Everything above runs in your browser — open SPH Fluid and change the parameters while it is running. Nothing is installed, nothing is uploaded, the whole model lives in one tab.