WHAT IS CLOUD COMPUTING?

If you use Gmail, Yahoo email, Facebook, Instagram, and online platforms, you already use cloud computing.

Cloud computing uses a network of remote computers and the internet to access information online.

Cloud computing makes computing resources easily accessible and affordable, and the best part is that it is either free or paid.

From Amazon Web Services, also AkolagTech’s Partner – AWS “Cloud computing is the on-demand delivery of compute power, database storage, applications, and other IT resources through a cloud services platform via the internet with pay-as-you-go pricing.” Click here for more information about what is cloud computing.

Cloud computing today is divided into three categories. These classes are Infrastructure-as-a-Service or IaaS, Platform-as-a-Service or PaaS, and Software-as-a-Service or SaaS. You will look at them in detail to understand what they represent.

IaaS type of cloud computing focuses on providing the most generalizable solution, which is necessary infrastructure as a service. This could be On-premise or off-premise. These solutions offer the consumer storage, networking, and computing capacity as a service, sometimes in very high granularities of billing, such as hourly. The consumer does not manage or control the underlying cloud infrastructure but has control over operating systems, storage, and deployed applications and possibly limited control of select networking components, such as host firewalls. Customers use the provider’s application program interface or API to start, stop, access, and configure their virtual servers and storage. In the enterprise, cloud computing enables a company to pay for as much capacity as is needed and bring more capacity online as soon as possible.

Why does Infrastructure as a service work for enterprise companies? According to Tenfold.com

PaaS type of cloud computing delivers development environments as a service. You build applications that run on the provider’s infrastructure and are provided to your users through the Internet from the vendor’s servers. Developers create applications on the provider’s platform over the Internet. PaaS providers may use APIs, Website portals, or gateway software installed on the customer’s computer. Here, the framework controls the underlying infrastructure, and the developer has to focus on the underlying mechanism. The consumer does not manage or monitor the underlying cloud infrastructure, including network, servers, operating systems, or storage, but controls the deployed applications and possibly application hosting environment configurations.

SaaS cloud computing delivers a single application through the browser to thousands of customers using a multi-tenant architecture. On the user side, it means no upfront investment in servers or software licensing; on the provider side, with just one application to maintain, costs are low compared to conventional hosting. SaaS is an extensive market. Services can be anything from Web-based email to inventory control and database processing. The end user can use the service from anywhere because the service provider hosts both the application and the data. The consumer does not manage or control the underlying cloud infrastructure, including network, servers, operating systems, storage, or even individual application capabilities, except for limited user-specific application configuration settings.

Credits: VMware, Amazon Web Services, Tenfold

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