Cloud computing is the on-demand delivery of computing resources over the internet, including servers, storage, databases, networking, software, and analytics. Instead of storing files on a local device, cloud computing enables remote data saving, making it accessible from anywhere, promoting cost-efficiency, productivity, speed, performance, and security.
Key Takeaways
- Cloud computing provides on-demand services such as servers, storage, databases, software, and more over the internet.
- It enables storing files on remote servers, ensuring easy access and enhanced security.
- Popular cloud storage platforms include Google Drive, Dropbox, OneDrive, and Box.
Storing Data
In cloud computing, data is stored remotely in a virtual environment. Service providers allow users to resume their files, applications, and other data remotely through internet access. This availability encourages flexibility, as the data becomes accessible from any internet-connected device.
Cloud computing can be categorized into public and private services. Public cloud services offer resources over the internet for a fee, while private cloud services provide resources to a restricted number of users. There is also a hybrid cloud option merging both public and private cloud functionalities.
Cloud Services Simplified
Cloud computing offers a diverse range of services, including:
- Storage, backup, and data retrieval
- Application development and testing
- Data analytics
- Audio and video streaming
- On-demand software delivery
A practical example of cloud computing in action is Amazon Web Services (AWS), utilized for real-time fraud detection in financial transactions.
What Makes a Platform?
Cloud computing encompasses three major service models:
- Software-as-a-Service (SaaS): Delivers applications over the internet, typically through a subscription or pay-as-you-go model. Examples include Microsoft Office 365.
- Infrastructure-as-a-Service (IaaS): Offers computing infrastructure like operating systems, servers, and storage via IP-based connectivity. Example providers are IBM Cloud and Microsoft Azure.
- Platform-as-a-Service (PaaS): Provides a platform allowing customers to develop, run, and manage applications without dealing with the infrastructure. Notable examples are Salesforce.com and Heroku.
Weighing the Pros and Cons
Cloud computing lets users access their emails and store essential files using platforms like Google Drive and Dropbox. Benefits for businesses include replacing costly IT infrastructure with efficient internet-based solutions.
While cloud structure saves space and supports web-based software upgrades, security remains a critical concern. Although cloud providers enhance their security measures, vulnerabilities such as natural disasters or cyberattacks persist.
Leading Service Providers
- Google Cloud
- Amazon Web Services (AWS)
- Microsoft Azure
- IBM Cloud
- Alibaba Cloud
- Dell Cloud
- Oracle Cloud
Each provider brings unique functionalities. For instance, AWS offers an entirely public, pay-as-you-go model, while Microsoft Azure combines public and on-site data management options.
Real-World Examples of Cloud Computing
Cloud computing is utilized in diverse applications, such as streaming services for audio and video and data storage solutions like Google Drive, Dropbox, OneDrive, and Box.
Ensuring Safety in Cloud Computing
Cloud security involves protecting data stored on cloud-based services using methods like two-factor authentication (2FA), VPNs, security tokens, encryption, and firewalls, ensuring that digital assets remain secure.
Understanding Cloud Hacking
Cloud hacking targets cloud platforms, compromising computing services, storage, or hosted applications through cyber-attacks.
Conclusion
Cloud computing transforms how individuals and businesses store and manage data, offering essential services like SaaS, IaaS, and PaaS. By leveraging cloud resources, companies and individuals benefit from cost savings, accessibility, and enhanced security.
Related Terms: cloud security, software-as-a-service, infrastructure-as-a-service, platform-as-a-service.
References
- Amazon. “AWS Free Tier”.
- Microsoft. “What Is SaaS?”
- IBM. “IBM Cloud Infrastructure as a Service”.
- Heroku. “The Heroku Platform”.
- Salesforce. “What Is PaaS (Platform as a Service)?”
- Google. “Google Drive, Easy and Secure Access to Your Content”.
- Dropbox. “Smart Workspace”.
- Alibaba Cloud. “Alibaba Cloud”.
