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Introduction of cloud By Pawan Thakur

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The cloud computing is delivery of computing services over Internet. It allows individuals and businesses to use software and hardware that are managed by third parties at remote locations. …

The cloud computing is delivery of computing services over Internet. It allows individuals and businesses to use software and hardware that are managed by third parties at remote locations.

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  • 1. Introduction of Cloud Computing By : Prof. Pawan Thakur HOD Computer Department , Vidyasagar Institute of Management (VIM), Bhopal At the end of this presentation we will be able to understand: Overview  Definition of Cloud Computing  Characteristics of Cloud Computing  Service Delivery Models (IAAS, PAAS and SAAS)  Cloud Deployment Models/ Types of Cloud  Pros and Cons of Cloud Computing
  • 2.  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.  The applications such as e-mail, web conferencing, CRM all run in cloud.  Instead of keeping data on your own hard drive we use a service over the Internet at another location to store your information or use its applications. When we store our photos online instead of on our home computer, use webmail, a social networking site you are using a “Cloud computing” service Overview of Cloud
  • 3. Many companies are delivering services from the cloud. Some notable examples as of July, 2014 include the following:
  • 4. DEFINITIONS OF CLOUD COMPUTING  The Cloud computing is delivery of computing services over Internet.  It allows individuals and businesses to use software and hardware that are managed by third parties at remote locations. Cloud Computing refers to manipulating, configuring, and accessing the applications online. It offers online data storage, infrastructure and application.” We need not to install a piece of software on our local PC and this is how the cloud computing overcomes platform dependency Cloud computing means on demand delivery of IT resources via the internet with pay-as-you-go pricing. It provides a solution of IT infrastructure in low cost.”
  • 5. NIST Characteristics of Cloud Computing 1. On-demand self-service. A consumer can use computing capabilities such as server time and network storage automatically without requiring human interaction with each service provider. 2. Broad network access. The capabilities are available over the network . They can accessed through standard mechanisms by heterogeneous thin client platforms e.g., mobile phones, tablets, laptops, and workstations. 3. Resource pooling. The provider's computing resources are pooled to serve multiple consumers using a multi-tenant model.  The different physical and virtual resources dynamically assigned and reassigned according to consumer demand. 4. Rapid elasticity. The capabilities can be elastically provisioned and released. 5. Measured service. Cloud systems automatically control and optimize resource.  It leverage the metering capability at some level of abstraction appropriate to the type of service e.g., storage, processing, bandwidth and active user accounts.
  • 6. Service Delivery Models (SaaS, Paa S and IaaS,) “The cloud service models are Software as a Service (SaaS), Platform as a Service' (PaaS) and Infrastructure as a Service (IaaS).” 1. Software as a Service (SaaS). The capability provided to the consumer is to use the provider’s applications running on a cloud infrastructure. There are several SaaS applications some of them are listed below:  Billing and Invoicing System  Customer Relationship Management (CRM) applications Help Desk Applications  Human Resource (HR) Solutions
  • 7. 2. Platform as a Service (PaaS). PaaS offers the runtime environment for applications. It also offers development & deployment tools, required to develop applications. Examples of PaaS offerings include:  Google App Engine. The platform is used to develop and run Java, Python and Go applications on Google’s infrastructure.  Microsoft Windows Azure. It is on-demand compute and storage services as well as a development and deployment platform for applications that run on Windows.  Salesforce Force.com. This platform is used to build and run applications and components bought from App Exchange or custom applications. 3. Infrastructure as a Service (IaaS). The capability provided to the consumer is to provision processing, storage, networks, and other fundamental computing resources where the consumer is able to deploy and run arbitrary software, which can include operating systems and applications. IaaS also offers:  Virtual machine disk storage, Virtual local area network (VLANs) Load balancers. IP addresses, Software bundles
  • 8. CLOUD DEPLOYMENT MODELS /TYPES OF CLOUD Public cloud. The public cloud allows systems and services to be easily accessible to general public e.g., Google, Amazon, Microsoft offers cloud services via Internet. Private cloud. The private cloud allows systems and services to be accessible within an organization. The Private Cloud is operated only within a single organization. However It may be managed internally or by third-party. Hybrid Cloud. The hybrid cloud is a mixture of public and private cloud . Non-critical activities are performed using public cloud while the critical activities are performed using private cloud. Community Cloud. The community cloud allows system and services to be accessible by group of organizations. It shares the infrastructure between several organizations from a specific community. It may be managed internally or by the third-party .
  • 9. Pros:  Lower-cost computers for users  Improved performance  Lower it infrastructure costs  Fewer maintenance issues  Lower software costs  Instant software updates  Increased computing power  Unlimited storage capacity  Increased data safety  Improved compatibility between operating systems  Improved document format compatibility  Easier group collaboration  Universal access to documents  Latest version availability  Removes the tether to specific devices Cons: •Requires a constant internet connection •Does not work well with low-speed connections •Can be slow •Features might be limited •Stored data might not be secure • If the cloud loses your data you are screwed Pros and Cons of Cloud Computing
  • 10. Thankssssss…..