What is the cloud? | CNBC Explains

Introduction

This tutorial aims to explain what the cloud is, its significance in the technology industry, and how it impacts businesses and consumers. Understanding cloud services is essential as they play a vital role in modern computing, providing flexibility, scalability, and cost savings for organizations.

Step 1: Understanding the Concept of the Cloud

• The cloud refers to a network of servers located remotely, which store and manage data and applications.
• Instead of keeping data on local devices, the cloud allows users to access information through the internet.
• Key characteristics of the cloud include:
  • On-Demand Self-Service: Users can access resources as needed without human intervention.
  • Broad Network Access: Services are available over the network and can be accessed through various devices.
  • Resource Pooling: Providers serve multiple customers using a multi-tenant model.
  • Rapid Elasticity: Resources can be scaled up or down quickly based on demand.
  • Measured Service: Usage is monitored, controlled, and reported for transparency.

Step 2: Types of Cloud Services

• There are three primary types of cloud services:
  1. Infrastructure as a Service (IaaS): Provides virtualized computing resources over the internet. Examples include Amazon Web Services (AWS) and Microsoft Azure.
  2. Platform as a Service (PaaS): Offers hardware and software tools over the internet, allowing developers to build applications without managing the underlying infrastructure. Examples include Google App Engine and Heroku.
  3. Software as a Service (SaaS): Delivers software applications over the internet on a subscription basis. Examples include Google Workspace and Salesforce.

Step 3: Benefits of Using Cloud Services

• Cost Efficiency: Reduces the need for physical hardware and maintenance costs.
• Scalability: Easily scale resources based on business needs without upfront investments.
• Accessibility: Access data and applications from anywhere with an internet connection.
• Disaster Recovery: Automated backups and data recovery options enhance data protection.
• Collaboration: Enables real-time collaboration among teams regardless of location.

Step 4: Common Cloud Providers

• Major tech companies dominate the cloud service market, including:
  • Amazon Web Services (AWS): Offers a wide range of services and is a leader in the market.
  • Microsoft Azure: Known for its integration with Microsoft products and services.
  • Google Cloud Platform (GCP): Focuses on data analytics and machine learning capabilities.

Conclusion

The cloud has transformed how businesses operate, providing essential services that enhance efficiency and innovation. By understanding the cloud's capabilities, types of services, and benefits, you can better assess how to leverage these technologies in your organization. Consider exploring cloud service options and evaluating how they can support your business goals moving forward.