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Cloud computing refers to applications and services that run on the internet or "in the cloud". It involves migrating software from local computers to servers hosted on the internet. There are different types of cloud computing including Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). IaaS provides virtual hardware, PaaS provides platforms for developing applications, and SaaS provides ready-to-use software. Cloud computing offers advantages like mobility, flexibility, collaboration and outsourcing of maintenance compared to local systems.
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Cloud computing refers to applications and services that run on the internet or "in the cloud". It involves using third-party hosted servers on the internet rather than local computers or in-house systems. Common cloud services include productivity apps like Google Docs, business apps like Salesforce, and infrastructure services from Amazon Web Services. Customers pay for cloud computing services on a subscription or utility basis and benefit from increased mobility, flexibility, and collaboration compared to locally hosted systems. The major types of cloud computing models are Software as a Service (SaaS), Platform as a Service (PaaS), and Infrastructure as a Service (IaaS).
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Software as a Service
Consider the case of an enterprise with its set of software licenses for the various applications it uses. These applications could be in human resources, finance, or customer relationship management, to name a few. Instead of obtaining desktop and server licenses for software products it uses, an enterprise can obtain the same functions through a hosted service from a provider through a network connection. The interface to the software is usually through a web browser. This common cloud-computing model is known as Software as a Service (SaaS) or a hosted software model; the provider is known as the SaaS Provider.
SaaS saves the complexity of software installation, maintenance, upgrades, and patches (for example, for security fixes) for the IT team within the enterprise, because the software is now managed centrally at the SaaS provider's facilities. Also, the SaaS provider can provide this service to multip.
Introduction to Cloud Computing.pptx
Cloud computing allows users to access applications, data storage, and other computing resources over the internet. It offers various services like Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). There are different types of cloud models including public, private, hybrid, and community clouds that are deployed based on an organization's needs and security requirements. Cloud computing provides benefits like scalability, cost savings, and mobility by reducing the need for organizations to maintain their own on-site IT infrastructure.
Cloud Computing Security Issues in Infrastructure as a Service” report
This document provides an introduction to cloud computing security issues in infrastructure as a service (IaaS). It discusses how cloud computing works and the service models of software as a service, platform as a service, and IaaS. IaaS provides processing power, data storage, and other shared resources on a pay-as-you-go basis. The document focuses on security issues related to the IaaS model, examining security for service level agreements, utility computing, platform virtualization, networks and connectivity, and computer hardware. It also discusses how security issues with cloud software can impact IaaS and cloud computing overall.
Cloud computing abstract
Cloud computing provides on-demand access to scalable IT resources and applications via the internet. It delivers compute power, storage, databases, networking, software, analytics and more as services. There are three main types of cloud services - Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). IaaS provides virtualized servers and storage, PaaS provides development tools and environments, and SaaS provides software applications delivered via the internet. Cloud computing offers advantages like lower costs, improved performance, reduced software costs, automatic updates, and unlimited storage.
Cloud computing abstract
Cloud computing provides on-demand access to shared computing resources like servers, storage, databases, networking, software and analytics over the internet. It delivers these resources as scalable services in three main categories: Infrastructure as a Service (IaaS), Platform as a Service (PaaS) and Software as a Service (SaaS). Cloud computing offers advantages like lower costs, improved performance, unlimited storage and collaboration capabilities compared to traditional computing but requires a constant internet connection to access resources.
What is cloud computing ?
Cloud computing is a model where virtual servers and storage over the internet provide on-demand resources that users can access without needing to manage physical infrastructure themselves. Customers pay for only the resources they use, avoiding large upfront costs. The cloud has front-end components users interact with and back-end components like servers that make up the cloud infrastructure. Deployment models include public, community, hybrid, and private clouds that vary in accessibility and management. Benefits include reduced costs, flexibility, and focus on core business functions rather than IT maintenance. The global cloud market is growing rapidly and projected to reach $55.5 billion by 2014.
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Cloud Computing Security Issues in Infrastructure as a Service” report
Cloud Computing Security Issues in Infrastructure as a Service” report
Cloudslideshare
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