Notes from Lecture on Cloud Computing
Introduction
- Lecture focuses on the concept of cloud computing.
- The importance of understanding cloud infrastructure for modern technology.
Key Concepts
What is Cloud Computing?
- Delivery of various services over the internet.
- Includes data storage, servers, databases, networking, and software.
Types of Cloud Services
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Infrastructure as a Service (IaaS):
- Provides virtualized computing resources over the internet.
- Example providers: Amazon Web Services (AWS), Google Cloud Platform.
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Platform as a Service (PaaS):
- Provides a platform allowing customers to develop, run, and manage applications.
- Eliminates the complexity of building and maintaining infrastructure.
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Software as a Service (SaaS):
- Delivers software applications over the internet on a subscription basis.
- Example services: Google Workspace, Microsoft 365.
Deployment Models
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Public Cloud:
- Services offered over the public internet.
- Available to anyone who wants to purchase or use them.
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Private Cloud:
- Cloud services used by a single organization.
- Offers enhanced security and privacy.
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Hybrid Cloud:
- Combination of public and private cloud services.
- Offers greater flexibility and optimization of existing infrastructure.
Benefits of Cloud Computing
- Cost efficiency: Reduces the need for physical hardware.
- Scalability: Easily adjust resources based on demand.
- Reliability: Offers data backup, disaster recovery, and business continuity.
- Access to automatic updates: Providers regularly update services with the latest features.
Challenges of Cloud Computing
- Security and privacy issues.
- Dependency on service providers.
- Potential downtime or technical issues.
Conclusion
- Cloud computing plays a crucial role in today’s IT infrastructure.
- Important for businesses to weigh benefits against potential challenges.
Note: Above notes are constructed based on common themes in cloud computing lectures due to the inaccessibility of the specified URL which returned a 404 error.