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Cloud computing

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aryan raj

Cloud computing provides on-demand access to IT resources and applications from the internet. It allows users to access software, databases, and infrastructure remotely. Key features include scalability, flexibility, and not having to manage physical infrastructure. There are different deployment models like public, private, hybrid and community clouds as well as service models including Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS).

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Cloud computing
Cloud Computing provides us a means by which we can access the applications as utilities, over the Internet. It allows us to create, configure, and customize applications online. With Cloud Computing users can access database resources via the internet from anywhere for as long as they need without worrying about any maintenance or management of actual resources.
The term CLOUD refers to a Network or Internet. In other words, we can say that Cloud is something, which is present at remote location. Cloud can provide services over network, i.e.., on public networks or on private networks, i.e.., WAN, LAN or VPN. Applications such as e-mail, web conferencing, customer relationship management (CRM), all run in cloud.
Cloud Computing refers to manipulating, configuring, and accessing the application online. It offers online data storage, infrastructure and application. Cloud Computing is both combination of software and hardware based computing resources delivered as a network service.
Cloud computing
Therearecertainservicesandmodelsworkingbehindthescene makingcloudcomputingfeasibleandaccessibleto endusers. Followingaretheworkingmodelsforcloudcomputing: 1. Deployment Models 2. Services Models
Deployment models define the type of access to the cloud, i.e., how to cloud is located? Cloud can have any of four types of : Public, Private, Hybrid and Community.
private Cloud Hybrid Cloud
1. PUBLIC CLOUD - The Public Cloud allows systems and services to be easily accessible to the general public. Public cloud may be less secure because of its openness, e.g., e-mail. 2. PRIVATE CLOUD The Private Cloud allows systems and services to be accessible within an organization. It offers increased security because of its private nature. 3. COMMUNITY CLOUD The Community Cloud allows systems and services to be accessible by group of organization. 4. HYBRID CLOUD - The Hybrid Cloud is a mixture of public and private cloud. However, the critical activities are performed using private cloud while the non-critical activities are performed using public cloud.
Cloud computing
1. Infrastructure as a Service ( IaaS) 2. Platform as a Service ( PaaS) 3. Software as a Service ( SaaS)
IaaS IaaS
IaaS examples
PLATFORM as a SERVICES (PaaS) PaaS provides the runtime environment for applications, development and deployment tools, etc. Paas provides all of the facilities required to support the complete life cycle of building delivering web applications and services entirely from the Internet. Typically applications must be developed with a particular platform in mind. Multi tenant environments Highly scalable multi tier architecture
Paas examples
Software as a service (saas) SaaS model allows to use software application as a service to end users. Saas is a software delivery methodology that provides licensed multi-tenant access to software and its function remotely as a Web-based service. Usually billed based on usage Usually multi tenant environment Highly scalable architecture
Saas examples
Do you use the cloud????
Advantages: Lower computer cost Improved performance Reduced software cost Instant software updates Improved document format compatibility Unlimited storage capacity Increased data reliability Universal document access Latest version availability Easier group collaboration Device independence
Disadvantages: Requires a constant internet connection Does not work with low-speed connection Features might be limited Can be slow Stored data can be lost Stored data might not be secure
Cloud storage Create an account user name and password. Content lives with the account in the cloud. Log on to any computer with Wi-Fi to find your content.
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Cloud computing

  • 2. Cloud Computing provides us a means by which we can access the applications as utilities, over the Internet. It allows us to create, configure, and customize applications online. With Cloud Computing users can access database resources via the internet from anywhere for as long as they need without worrying about any maintenance or management of actual resources.
  • 3. The term CLOUD refers to a Network or Internet. In other words, we can say that Cloud is something, which is present at remote location. Cloud can provide services over network, i.e.., on public networks or on private networks, i.e.., WAN, LAN or VPN. Applications such as e-mail, web conferencing, customer relationship management (CRM), all run in cloud.
  • 4. Cloud Computing refers to manipulating, configuring, and accessing the application online. It offers online data storage, infrastructure and application. Cloud Computing is both combination of software and hardware based computing resources delivered as a network service.
  • 7. Deployment models define the type of access to the cloud, i.e., how to cloud is located? Cloud can have any of four types of : Public, Private, Hybrid and Community.
  • 9. 1. PUBLIC CLOUD - The Public Cloud allows systems and services to be easily accessible to the general public. Public cloud may be less secure because of its openness, e.g., e-mail. 2. PRIVATE CLOUD The Private Cloud allows systems and services to be accessible within an organization. It offers increased security because of its private nature. 3. COMMUNITY CLOUD The Community Cloud allows systems and services to be accessible by group of organization. 4. HYBRID CLOUD - The Hybrid Cloud is a mixture of public and private cloud. However, the critical activities are performed using private cloud while the non-critical activities are performed using public cloud.
  • 11. 1. Infrastructure as a Service ( IaaS) 2. Platform as a Service ( PaaS) 3. Software as a Service ( SaaS)
  • 14. PLATFORM as a SERVICES (PaaS) PaaS provides the runtime environment for applications, development and deployment tools, etc. Paas provides all of the facilities required to support the complete life cycle of building delivering web applications and services entirely from the Internet. Typically applications must be developed with a particular platform in mind. Multi tenant environments Highly scalable multi tier architecture
  • 16. Software as a service (saas) SaaS model allows to use software application as a service to end users. Saas is a software delivery methodology that provides licensed multi-tenant access to software and its function remotely as a Web-based service. Usually billed based on usage Usually multi tenant environment Highly scalable architecture
  • 18. Do you use the cloud????
  • 19. Advantages: Lower computer cost Improved performance Reduced software cost Instant software updates Improved document format compatibility Unlimited storage capacity Increased data reliability Universal document access Latest version availability Easier group collaboration Device independence
  • 20. Disadvantages: Requires a constant internet connection Does not work with low-speed connection Features might be limited Can be slow Stored data can be lost Stored data might not be secure
  • 21. Cloud storage Create an account user name and password. Content lives with the account in the cloud. Log on to any computer with Wi-Fi to find your content.