Cloud computing
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Cloud computing involves connecting large numbers of computers through a network like the Internet to share resources. It provides computing services through different models: Software as a Service (SaaS) allows users to access and use cloud-based applications without installing them; Platform as a Service (PaaS) offers resources for building and hosting apps; Infrastructure as a Service (IaaS) provides basic storage, networking, and computing resources. Cloud computing offers advantages like lower costs, improved performance, and increased storage capacity and reliability compared to local hardware, but also risks like potential downtimes if the Internet is offline and security concerns about sensitive data held by third parties.
Cloud computing
- 1. CLOUD COMPUTING All In ONE By : Debolina Pal ECE Final Year
- 2. What Is Cloud Computing ? In computer networking, cloud computing is computing that involves a large number of computers connected through a communication network such as the Internet. In science, cloud computing is a synonym for distributed computing over a network, and means the ability to run a program or application on many connected computers at the same time.
- 3. Layers Of Cloud Computing
- 4. Cloud Software As A Service (SAAS) • Software services are applications or components that can be used as an end application or used as part of a custom solution . • SaaS service-model involves the cloud provider installing and maintaining software in the cloud and users running the software from their cloud clients over the Internet. The users' client machines require no installation of any application-specific software - cloud applications run on the server (in the cloud). • One of the biggest benefits of SAAS is, of course, costing less money than buying the application outright.
- 5. Cloud Platform As A Service (PAAS) • Platform services offer a ready built infrastructure and application frameworks that can be used for building and running applications. • PAAS supplies all the resources required to build applications and services completely from the internet, without having to download or install software. • PAAS services includes application design, testing and development. Other services include team collaboration, web service integration ,database , security scalability , storage.
- 6. Cloud Infrastructure As A Service (IAAS) • IaaS clouds often offer additional resources such as a virtual-machine disk image library, file-based storage, firewalls, load balancers, IP addresses, virtual local area networks, and software bundles. • IaaS-cloud providers supply these resources on-demand from their large pools installed in data centres. For wide- area connectivity customers can use either the Internet or carrier clouds. • To deploy their applications, cloud users install operating-system images and their application software on the cloud infrastructure.
- 9. Advantages of Cloud Computing Lower computer costs. Improved performance. Reduced software costs. Instant software updates. Improved document format compatibility. Increased storage capacity Increased data reliability. Universal document access Easier group collaboration Device independence
- 10. Disadvantage of Cloud Computing Possible downtime - Cloud computing makes your small business dependent on the reliability of your Internet connection. When it's offline, you're offline. Security in the Cloud - The other major issue while in the cloud is that of security issues. Before adopting this technology, you should know that you will be surrendering all your company’s sensitive information to a third-party cloud service provider. Hence, you need to make absolutely sure that you choose the most reliable service provider, who will keep your information totally secure.
- 11. Recent In Cloud Computing • Backend as a service (BaaS) is a model for providing web and mobile app developers with a way to link their applications to backend cloud storage while also providing features such as user management and integration with social networking services.
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