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Advantages of cloud computing are very important.the advantages are the Drive down costs: Avoid large capital expenditure on hardware and upgrades.A managed cloud solution means that your hosting provider is doing this for you.if you want to learn more on cloud computing just visit the following link:http://e-learning.benchfolks.com/
Software as a service (SaaS)
Main article: Software as a service
The software-as-a-service (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 (or Intranet). The users' client machines require no installation of any application-specific software - cloud applications run on the server (in the cloud). SaaS is scalable, and system administrators may load the applications on several servers. In the past, each customer would purchase and load their own copy of the application to each of their own servers, but with the SaaS the customer can access the application without installing the software locally. SaaS typically involves a monthly or annual fee

Software as a service provides the equivalent of installed applications in the traditional (non-cloud computing) delivery of applications.

Software as a service has four common approaches:

    single instance
    multi instance
    flex tenancy

Development as a service (DaaS)

Development as a service is web based, community shared development tools. This is the equivalent to locally installed development tools in the traditional (non-cloud computing) delivery of development tools.
Data as a service (DaaS)

Data as a service is web based design construct where by cloud data is accessed through some defined API layer. DaaS services are often considered as a specialized subset of a Software as a service offering.
Platform as a service (PaaS)
Main article: Platform as a service

Platform as a service is cloud computing service which provides the users with application platforms and databases as a service. This is equivalent to middleware in the traditional (non-cloud computing) delivery of application platforms and databases. We can take on example for this as Microsoft Azure provides platform as services for multilple language,if we use .net platform then we can build products using .net framework which will be provided by Microsoft Azure.
Infrastructure as a service (IaaS)

Infrastructure as a service is taking the physical hardware and going completely virtual (e.g. all servers, networks, storage, and system management all existing in the cloud). This is the equivalent to infrastructure and hardware in the traditional (non-cloud computing) method running in the cloud. In other words, businesses pay a fee (monthly or annually) to run virtual servers, networks, storage from the cloud. This will mitigate the need for a data center, heating, cooling, and maintaining hardware at the local level.

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Drive down costs: Avoid large capital expenditure on hardware and upgrades. Cloud can also improve cost efficiency by more closely matching your cost pattern to your revenue/demand pattern,  moving your business from a capital-intensive cost model to an Opex model.  

Cope with demand: You know what infrastructure you need today, but what about your future requirements? As your business grows, a cloud environment should grow with you. And when demand is unpredictable or you need to test a new application, you have the ability spin capacity up or down, while paying only for what you use.

Run your business; don’t worry about your IT: Monitoring your infrastructure 24/7 is time consuming and expensive when you have a business to run. A managed cloud solution means that your hosting provider is doing this for you. In addition to monitoring your infrastructure and keeping your data safe, they can provide creative and practical solutions to your needs, as well as expert advice to keep your IT infrastructure working efficiently as your needs evolve.

Innovate and lead: Ever-changing business requirements mean that your IT infrastructure has to be flexible. With a cloud infrastructure, you can rapidly deploy new projects and take them live quickly, keeping you at the vanguard of innovation in your sector.

Improved security and compliance: You have to protect your business against loss of revenue and brand damage. In addition, many organizations face strict regulatory and compliance obligations. A cloud environment means that this responsibility no longer rests entirely on your shoulders. Your cloud hosting provider will build in resiliency and agility at an infrastructure-level to limit the risk of a security breach, and will work with you to help address compliance and regulatory requirements.

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Advantages of Cloud Computing at a Glance: Drive down costs: Avoid large capital expenditure on hardware and upgrades. Cloud can also improve cost efficiency by more closely matching your cost pattern to your revenue/demand pattern, moving your business from a capital-intensive cost model to an Opex model... https://www.epriceinfo.com
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Here are some of the benefits of cloud computing:

    A full cloud answer ought to make sure that your business information is secured
    A good cloud computing should save the business costs on hardware server
    Standardization of hardware and software system throughout the business, as this is often managed by the host company

1. Speed: Cloud computing services can be offered in two distinct manners: on-demand and self-service.

2. Efficiency: Cloud computing helps in achieving the product and IT service prerequisites. It enables the developers to concentrate on accomplishing other critical business objectives and software development related jobs.

3. Performance: Cloud computing services should be frequently upgraded according to the developments, new innovation, and computing hardware. Improving the performance of the data centers will be helpful for your business in a many ways.

4. Dependability: Cloud computing can help your business in information backup and recovery that aides in proceeding with your business. Cloud computing makes your business less demanding and more affordable.

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In simple words, cloud computing may be called as computing that is based entirely on the internet. As in the past, where people needed to run programs or applications from software which would be downloaded from a server or a physical computer, cloud computing services help them to access those applications through the medium of internet.
Less Costs
1.The services are free from capital expenditure. There are no huge costs of hardware in cloud computing. You just have to pay as you operate it and enjoy the model based on your subscription plan.

2. 24 X 7 Availability
Most of the cloud providers are truly reliable in offering their services, with most of them maintaining an uptime of 99.9%. The workers can get onto the applications needed basically from anywhere. Some of the applications even function off-line.

3. Flexibility in Capacity
It offers flexible facility which could be turned off, up or down as per the circumstances of the user. For instance, a promotion of sales is very popular, capacity can be immediately and quickly added to it for the avoidance of losing sales and crashing servers. When those sales are done, the capacity can also be shrunk for the reduction of costs.

4. All over Functioning
Cloud computing offers yet another advantage of working from anywhere across the globe, as long as you have an internet connection. Even while using the critical cloud services that offer mobile apps, there is no limitation of the device used.

5. Automated Updates on Software
In cloud computing, the server suppliers regularly update your software including the updates on security, so that you do not need to agonize on wasting your crucial time on maintaining the system. You find extra time to focus on the important things like ‘How to grow your businesses.

6. Security
Cloud computing offers great security when any sensitive data has been lost. As the data is stored in the system, it can be easily accessed even if something happens to your computer. You can even remotely wipe out data from the lost machines for avoiding it getting in the wrong hands.

7. Carbon Footprint
Cloud computing is helping out organizations to reduce their carbon footprint. Organizations utilize only the amount of resources they need, which helps them to avoid any over-provisioning. Hence, no waste of resources and thus energy.

8. Enhanced Collaboration
Cloud applications enhance collaboration by authorizing diverse groups of people virtually meet and exchange information with the help of shared storage. Such capability helps in improving the customer service and product development and also reducing the marketing time.

9. Control on the Documents
Before cloud came into being, workers needed to send files in and out as the email attachments for being worked on by a single user at one time ultimately ending up with a mess of contrary titles, formats, and file content. Moving to cloud computing has facilitated central file storage.

10. Easily Manageable
Cloud computing offers simplified and enhanced IT maintenance and management capacities by agreements backed by SLA, central resource administration and managed infrastructure. You get to enjoy a basic user interface without any requirement for installation. Plus you are assured guaranteed and timely management, maintenance, and delivery of the IT services.

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