61 lines
2.8 KiB
Markdown
61 lines
2.8 KiB
Markdown
---
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title: Cloud Computing
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---
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# Cloud Computing
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**Cloud Computing** is the delivery of computing services—including servers, storage, databases, networking, software, analytics, and intelligence—over the Internet ("the cloud") to offer faster innovation, flexible resources, and economies of scale.
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## Key Characteristics
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- **On-demand self-service**: Provision resources as needed without human intervention
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- **Broad network access**: Access via internet from anywhere on any device
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- **Resource pooling**: Multi-tenant model with resources pooled to serve multiple consumers
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- **Rapid elasticity**: Scale resources up or down dynamically
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- **Measured service**: Pay-as-you-go pricing model
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## Common Misconceptions
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Cloud computing is widely misunderstood. Key myths include:
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1. **Cloud is not secure** — Reality: Major providers invest heavily in security (encryption, MFA, ISO 27001, HIPAA, GDPR compliance) and offer 24/7 monitoring
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2. **Cloud is "someone else's computer"** — Reality: Cloud is a vast network of sophisticated data centers with redundancy, auto-failover, and global distribution
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3. **Cloud is too expensive** — Reality: Pay-as-you-go, reserved instances, auto-scaling, and serverless models can significantly reduce costs vs. on-premises
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4. **You lose control over data** — Reality: Cloud providers offer robust data governance, permissions management, and hybrid/multi-cloud options
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5. **Only for large enterprises** — Reality: SMBs and startups benefit greatly from flexible pricing and enterprise-grade technology
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6. **Migration is too complex** — Reality: Phased migration, hybrid cloud, and professional services enable smooth transitions
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7. **Performance is unreliable** — Reality: Major providers offer SLAs exceeding 99.99% uptime with redundant infrastructure and automated failover
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## Cloud Deployment Models
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- **Public Cloud**: Resources shared across multiple organizations (AWS, Azure, GCP)
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- **Private Cloud**: Dedicated to a single organization (on-premises or hosted)
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- **Hybrid Cloud**: Combines public and private clouds
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- **Multi-Cloud**: Uses multiple public cloud providers simultaneously
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## Related Concepts
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## Cloud Providers
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In multi-cloud strategies, organizations typically work with multiple providers:
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- [[AWS]] — Amazon Web Services
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- [[Azure]] — Microsoft Azure
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- [[Google-Cloud]] — Google Cloud Platform
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## Related Concepts
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- [[Cloud Security]]
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- [[Cloud Migration]]
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- [[High Availability]]
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- [[Multi-Cloud Strategy]]
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- [[Vendor-Lock-In]]
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- [[Data-Sovereignty]]
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- [[FinOps]]
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- [[Infrastructure as Code]]
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- [[Serverless Computing]]
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## Sources
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- [[The Myths and Misconceptions About Cloud Computing (LinkedIn)|the-myths-and-misconceptions-about-cloud-computing-linkedin]]
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- [[How Can a Multi Cloud Strategy Transform Your Business ROI|sources/how-can-a-multi-cloud-strategy-transform-your-business-roi]]
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