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Cloud Computing Definition is that it is a shared pool of configurable computing resource (eg. networks, servers, storage, applications, and services) network on demand over the internet. Cloud computing literally, is the use of remote servers (usually accessible via the Internet) to process or store information. Access is usually using a Web browser. Save files on a server via the Internet is one example.

Cloud computing is the best solution to manage your applications yourself; it is a shared multi-tenant platform that is supported. When using an application running in the cloud, you simply connect to it, customize it and use it.

Today, Millions of us are happy to use a variety of applications in the cloud, such as applications of CRM, HR, accounting, and even business applications.These applications based in the cloud can be operational in a few days is not possible with traditional enterprise software. They are cheap because you do not have to invest in hardware and software,or to spend money for the configuration and maintenance of complex layers of technology or to finance facilities to run them. And they are more scalable, more secure and reliable than most applications. In addition, upgrades are supported, so that your applications automatically benefit from all the improvements of safety and performance available, as well as new features.

Well be covering the following topics in this tutorial:

The advantage of cloud computing is two fold.It is a file backup shape.It also allows working on the same document for several jobs (one person or a nomad traveling) of various types (or PC, tab or smartphone).

Cloud computing simplifies usage by allowing overcoming the constraints of traditional computer tools (installation and updating of software,storage, data portability). Cloud computing also provides more elasticity and agility because it allows faster access to IT resources (server,storage or bandwidth) via a simple web portal and thus without investing in additional hardware.

The National Institute of Stands and Technology (NIST) describes cloud computing as a model for on-demand network access to computing resources (e.g., networks, servers, storage, applications and services). Common Cloud Service Models are:

Cloud Software as a Service (SaaS): The user has the possibility to use the service providers applications over the network.These applications are accessed via different interfaces, thin client, Web browser, mobile devicesThe customer manages and does not control the underlying cloud infrastructure including network, servers, operating systems,databases, storage, but can possibly benefit from access to restricted configurations, specific to user categories.

Cloud Platform as a Service (PaaS):The consumer can deploy cloud infrastructure on its own applications. The user manages and does not control the underlying cloud infrastructure (network,servers, operating systems, databases, storage), but has control over the deployed applications and the ability to configure the environment of application hosting.

Cloud Infrastructure as a Service (IaaS): The client can rent storage, processing power, network and other computing resources.The user manages and does not control the underlying cloud infrastructure but has control over databases , operating systems, and applications deployed.

Public cloud: This type of infrastructure is accessible to a wide audience and belongs to aprovider of cloud services.

Private cloud: The cloud infrastructure works for one organization. It can be managed by the company itself (internal Private Cloud). In the latter case, the infrastructure is dedicated to the company and accessible via secure VPN-type networks.The Cloud Community:The infrastructure is shared by several organizations that have common interests (e.gsafety requirements, compliance ). As private cloud, it can be managed by the organizations them selves or by third parties.Hybrid cloud: Infrastructure consists of two or more clouds (private, Community or Public), which remain unique entities but are bound together by standardized or proprietary technology, enabling data portability or applications.

Cost Reduction: Cloud computing is seen as an incremental investment, companies can save money in the long term by obtaining resources.

Storage increase: instead of purchasing large amounts of storage before the need, organizations can increase storage incrementally, requesting additional disk space on the service provider when the need is recognized.

Resource pooling: in the IT industry, this feature is also known as Multi-tenancy, where many users / clients share a type and varied level of resources.

Highly automated: As the software and hardware requirements are hosted on a cloud provider, IT departments sites no longer have to worry about keeping the things-to-date and available.

Greater mobility: Once the information is stored in the cloud, access it is quite simple, just you have an Internet connection, regardless of where they are located.Change the IT focus: Once the responsibility of the computing environment has,essentially shifted to the cloud provider, IT departments can now focus more on the organizations needs and the development of strategic applications and tactics and not on operational needs of the day-to-day.

Towards Green IT: By releasing the physical space, virtualization of applications and servers contributes to the reduction of equipment as well as the need for air conditioning, consequently, less energy waste.

Keep updated things: Similar to change the IT focus, this benefit is because of the new demands of providers cloud services, ie, the focus of providers is to monitor and maintain the most recent tools and techniques for the contractor.

Quick elasticity: this characteristic has to do with the fundamental aspects of Cloud flexibility and elasticity. For example, the web shops carry a standard amount of transactions during the year, but it is necessary to increase near Christmas time. And of course these stores do not want to pay for that capacity at peak during the rest of the year. Measurement service: which means services monitored, controlled and reported. This feature allows a model of pay-per-use service, or pay for use. It has similarities with the concept of telephone service packages where you pay a standard signature to basic levels, and paid extra for the additional service, without changing the contract.

The various problem areas for cloud computing environments are:

Security: As the data are no longer in their own organization, security becomes a major issue and questions must be answered, such as: Data is protected as adequate? There is a hacker-proof system? Can you meet the requirements regulations and government for privacy? How do you discover the leak information? Note also that corporate governance is always very concerned about the data that is stored outside the organization.Location and Data Privacy: Where the data is stored? How data is stored? The provider has adequate security for data in places where they are stored?Internet addiction: Since the cloud features are not available on the local network, you have to worry about the availability of the Internet. If you lose access to the Internet out, what that happens to your cloud computing environment? If your service provider increasing period unavailability, what you do with your employees and customers? What do you do in case of increased latency or delays the answers?

Levels of availability and service: Most organizations are familiar with the agreements service levels. The service level agreement specifies the amount of service capacity that someone has to provide, along with the penalties for not providing this level of service. How you can be sure that the cloud service provider has sufficient resources to maintain a service level agreement you signed with them?

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What is Cloud Computing? - Computer Notes

The Importance of cloud computing holds the following probable point in future

Cloud computing is simply the delivery of computing services. These services include servers, storage, databases, networking, software, analytics, and intelligence on the internet. The future of cloud computing is a greater shift from traditional IT services.

Using cloud computing, one can eliminate the expense of buying the hardware and the software and setting up on-site data centers. Cloud computing also can scale elastically, which simply means delivering the right amount of IT services. These cloud computing services are run on a worldwide network of data centers, which are being regularly updated to the latest generation of hardware and software for efficient services. This has several benefits for the users, which include reduced network latency. The cloud also offers optimum security solutions, as it comes with a broad set of policies, technologies, and controls, which can strengthen your security stance overall.

Cloud computing service provides your organization with flexibility in the work. If you are relying on an external force for your IT hosting and infrastructure, you can have more time to devote to the other aspects of your business, which can directly affect the bottom line of your business. With a cloud service, you can also have extra bandwidth easily, without having to go through the complex update to the IT infrastructure, which is also expensive.

With these benefits, it is just even more evident that the future of cloud computing holds great potential. The importance of Cloud Computing and the technologies behind it have many potential opportunities and capabilities. It may be able to open a wide range of jobs, services, platforms, applications, and much more in the future.

As we enterthe new era of technology, where cloud computing will play an important part.There are thousands of possibilities being formed as the future of cloudcomputing takes off. And the main reason why cloud computing holds greatpotential in this new technology era is that it is extremely beneficial. Forone thing, cloud technology provides extreme agility and accessibility to theuser from the current set of technologies.

For example, vendors and service providers can use cloud computing services to develop new and effective ways of selling their products and services. The businesses and the organizations can then align themselves accordingly, and then conduct the businesses more professionally and affordably. It is evident that importance of cloud computing can cut your costs to great levels, and using it could save your company thousands.The accessibility and importance of cloud computing are such that, no matter where you are in the world, no matter what time is it, or what device is the person using, one can continue using the cloud and complete their work and share information.

However, with so many advantages and the importance of cloud computing, there is still a long way for people to go. A very small number of enterprises and businesses are using cloud technology today. Thus for the next decade, the shifting to the cloud will not only be a process of shifting to the cloud from the on-premises technology used. The importance of cloud computing is thought to be as a platform to implement innovative technologies and services in the future.

The use of the cloud as a scalable foundation for the creation of new business models will be done businesses will be done. Cloud will give scalability to the businesses as there increases the demand for change.

The cloud technologies are used to automate the business using CRM, ERP, PSA, and HR systems that are stored on remote servers. And these are increasing year by year. So in the future, the software we will be using will be somehow far beyond the horizon and the information that will be passed from it will first pass through several filters before it will start interacting with the users computer.

The complexity of individual programs is increasing rapidly. And as a result, cloud computing technologies will develop new thinking, and software development will be looked at from different angles. If you consider the fact that in the future, the applications will be stored not just on the cloud, but there will also be many modules located on servers of different cloud services.

Just like the reliable encryption of data, the physical security of data centers is as much important. Soon, the minimum requirements for the current SSL tool will be changed. And because of the constantly increasing security protocols, physical access to the data center will also have severe limitations. And to enter these protected premises, one will not only need an electronic key but will also have to go through the procedure for biometric scanning.

These are the reasons for the Importance of cloud computing in the Future World.

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Importance of Cloud Computing in the Future World