Introduction to Cloud Computing refers to the foundational concepts and principles of delivering computing services—such as servers, storage, databases, networking, software, and analytics—over the internet (“the cloud”). This approach allows organizations and individuals to access resources on-demand, scale efficiently, and reduce infrastructure costs. Cloud computing enables flexible work environments, supports innovation, and offers various service models like Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS).
Introduction to Cloud Computing
Introduction to Cloud Computing refers to the foundational concepts and principles of delivering computing services—such as servers, storage, databases, networking, software, and analytics—over the internet (“the cloud”). This approach allows organizations and individuals to access resources on-demand, scale efficiently, and reduce infrastructure costs. Cloud computing enables flexible work environments, supports innovation, and offers various service models like Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS).
💡 Key Takeaways
- Define cloud computing as on-demand access to computing resources over the internet.
- Identify the three service models: Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS).
- Explain the deployment models: public, private, and hybrid clouds.
- List the five essential cloud characteristics: on-demand self-service, broad network access, resource pooling, rapid elasticity, and measured service.
- Recognize common cloud resources used by developers: compute, storage, databases, networking, and analytics.
❓ Frequently Asked Questions
What is cloud computing?
Cloud computing delivers computing resources over the internet on-demand (such as servers, storage, databases, networking, software, and analytics) so you can access them without owning hardware.
What are the main cloud service models IaaS, PaaS, and SaaS?
IaaS provides virtualized infrastructure (servers, storage, networking). PaaS offers a platform for building and deploying apps (runtime, middleware). SaaS delivers software accessed via the web.
What are the common cloud deployment models?
Public clouds are shared resources operated by providers. Private clouds are dedicated to a single organization. Hybrid clouds blend public and private clouds to move workloads as needed.
What are the key benefits of cloud computing?
On-demand access to resources, pay-as-you-go pricing, scalability and elasticity, faster deployment, global reach, and often improved reliability and security.
What do elasticity and on-demand self-service mean in cloud computing?
On-demand self-service lets users provision resources themselves without human intervention. Elasticity automatically scales resources up or down to match demand.
