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Cloud Computing Fundamentals

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Scalability

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Scalability is the ability of a system to expand to meet increasing demand. Importance: Essential in cloud computing to accommodate growing workloads without compromising performance.

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Cloud Computing Architecture

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Cloud Computing Architecture refers to the components and subcomponents required for cloud computing, which include a front-end platform, back-end platforms, a cloud-based delivery, and a network. Importance: This architecture defines how various services and components integrate to meet cloud computing needs.

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Elasticity

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Elasticity is the ability of a system to dynamically provision and de-provision resources to match the current demand as closely as possible. Importance: Allows for cost-effective and efficient resource utilization.

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Virtualization

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Virtualization is the creation of a virtual version of something, such as a server, a desktop, a storage device, network resources or an operating system. Importance: Allows for more efficient utilization of physical computer hardware and provides a layer of abstraction.

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API (Application Programming Interface)

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API in cloud computing refers to a set of protocols and tools for building application software and interfaces that enable control and access to cloud services and resources. Importance: Facilitates interaction between different software components and the seamless integration of cloud services.

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Hybrid Cloud

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Hybrid Cloud is a solution that combines a private cloud with one or more public cloud services, with proprietary software enabling communication between each distinct service. Importance: Offers businesses greater flexibility and more data deployment options.

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Resource Pooling

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Resource Pooling is the provider’s computing resources that are pooled to serve multiple consumers using a multi-tenant model. Importance: Leads to economies of scale and maximizes the efficiency of resource allocation.

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SaaS

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Software as a Service (SaaS) is a model for the distribution of software where customers access software over the Internet. Importance: Provides a complete software solution that you purchase on a pay-as-you-go basis from a cloud service provider.

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Fault Tolerance

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Fault Tolerance is the ability of a system to continue operating properly in the event of the failure of some of its components. Importance: Ensures high availability and reliability of cloud services.

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Measured Service

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Measured Service is a cloud computing service model that controls and optimizes resource use by leveraging a metering capability at some level of abstraction appropriate to the type of service (e.g., storage, processing). Importance: Enables resource usage tracking and cost management.

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Public Cloud

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Public Cloud is a type of computing in which a service provider makes resources available to the public over the internet. Importance: Offers greater scalability and access to a variety of services at a lower cost.

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Cloud Computing

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Cloud Computing refers to the on-demand availability of computer system resources, especially data storage and computing power, without direct active management by the user. Importance: Key for delivering IT resources efficiently and scalably over the internet.

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PaaS

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Platform as a Service (PaaS) provides a platform allowing customers to develop, run, and manage applications without the complexity of building and maintaining the infrastructure. Importance: Simplifies web application development and deployment.

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IaaS

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Infrastructure as a Service (IaaS) is a form of cloud computing that provides virtualized computing resources over the internet. Importance: Offers a scalable and flexible hardware resource such as storage and networking.

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Multi-Tenancy

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Multi-Tenancy refers to a principle in software architecture where a single instance of a software runs on a server and serves multiple tenants. Importance: Increases resource utilization and lowers costs by sharing infrastructure.

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Cloud Service Provider (CSP)

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A Cloud Service Provider (CSP) is a company that offers cloud managed services to businesses and/or individuals. Importance: CSPs facilitate the use of cloud technology, offering varying levels of service at a scale that would be difficult for individuals to achieve.

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Broad Network Access

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Broad Network Access involves making services available over the network and accessed through standard mechanisms by heterogeneous thin or thick client platforms (e.g., laptops, smartphones). Importance: Ensures accessibility and convenience for users.

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Cloud Storage

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Cloud Storage is a model of computer data storage where the digital data is stored in logical pools, across multiple servers and locations. Importance: Offers scalability, reliability, and availability for data storage.

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Private Cloud

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Private Cloud is a type of cloud computing that delivers similar advantages to public cloud, including scalability and self-service, but through a proprietary architecture. Importance: Offers enhanced security and control.

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On-Demand Self-Service

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On-Demand Self-Service allows users to automatically provision computing capabilities, such as server time and network storage, as needed without requiring human interaction with each service provider. Importance: Increases agility and reduces service provisioning time.

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