Cloud Computing Explained in 5 Steps for Beginners

What is cloud Computing?Why Cloud Computing?

Sharing computer resources without owing them and thus saving overheads is cloud computing. Computer resources are networks, servers, storage, applications and hosting services. All computer giants define cloud computing as sharing resources. IBM define cloud computing as  “the cloud,” which supplies computer resources on demand. The price depends on demand and supply and clients pay-for-use basis. This kind of sharing resources reduce or increase the cost of local hardware and software as the demand needs. Cloud computing elevates self-service of IT resources and paid only for what you need. Cloud computing is useful to big enterprises where they gain huge cost benefits in terms of owing hardware, software, networking  and applications.  For small business cloud computing may or may save cost.

cloud computing

What types of services cloud computing offers to their clients?

Services offered by clouds are broadly divided into Software as a service (SaaS), Platform as a service (Paas) and Infrastructure as a service (IaaS). These are the basic operations an enterprise spends money for and spends a major amount of time for organizational infrastructure. These services need man management, human resources and infrastructure of their own. By opting for cloud computing there will be tremendous cost reduction and management can concentrate on main core business.

Software as a service: There are hundreds of business applications that need software. Business applications like productivity, business social networking, finance and expenses, human resource management and security. All these and many more applications need different software to develop, keep up and run them. Cloud computing providers these services through the software as a service,  What is SaaS?

Platform as a service: Cloud computing client access platform services through browser to develop applications on the Internet.  PasS  is not a replacement for the existing business but utilizing third-party platform services to save infrastructure expenses. PaaS offers services like operating systems and their updates. databases like SQL. The platform services support the data bases, offer 100% support and storage.It also includes network access What is IaaS:

Infrastructure as a service:

Infrastructure as services offer data center services like storage. Companies pay for the services they use. In this service, cloud is hosted trough their servers and so no failure of the hardware from clients end. Maintenance is by the cloud service provider. Network components like  host firewalls is a part of this service. What is IaaS?

Is there different types of cloud computing offer? What are they?

There are variations in cloud computing offers. Broadly they are public clouds, private clouds and hybrid clouds. There is hardly a thin layer of difference between these offers. Slowly but steadily this thin layer between public, private and hybrid clouds are diminishing with providers offering all the three varieties in one package. As the name implies public clouds are like share hosting and private clouds are equivalent to  dedicated hosting and mix of the two for different levels is hybrid clouds. The choice of these clouds is dependent on necessity, package cost and demand of the company. Public clouds are less secure compared to private clouds as the name implies

More on public, private and hybrid clouds – clouds for dummiess.  about clouds from Intel

Companies that offer cloud computing platform:
  • Amazon: With a powerful CEO  Jeffrey Bezos and with strong  finance background, Amazon stand number one in cloud computing. Being very popular as on line shopping company, it is natural for this company to go for cloud computing offers. To name few clients using their services are New York Times and Washington post
  • AT & T: Randall Stephenson is the CEO at the helm of cloud computing products. This company understands the client requirements and offer various cloud packages enhancing the client’s business, optimizing storage, software and network resources
  • Google: Google is the next big company after Amazon offering cloud services.  Eric Schmidt is the CEO of this company. Many small business enterprises, universities including Arizona State University and Northwestern University. are utilizing Goggle’s cloud services. 
  • Microsoft: Steve Ballmer is the CEO, Microsoft is the biggest cloud service provider offering business services over the Web,Share Point, CRM and Live Meeting,  Epicor, S3Edge and Micro Focus are few to name using Azure.

More info on cloud  providers: CNN News / Network World News

 .  Sources: Business Insider