Cloud Computting

 Understanding Technology Innovations

Cloud Computing

In

Definitions 

Cloud computing is the delivery of computing services—including servers, storage, databases, networking, software, analytics, and intelligence—over the Internet (“the cloud”) to offer faster innovation, flexible resources, and economies of scale. You typically pay only for cloud services you use, helping lower your operating costs, run your infrastructure more efficiently and scale as your business needs change.

Literature review

Cloud computing involves the use of remote servers over the internet to provide on-demand access of information services (Ratten, 2014a). Services accessed in the cloud include software, hardware and infrastructure that can be reconfigured based on consumer demand. The wide variety of services available on cloud servers has lead to more consumers using interactive technology applications (Karakas and Manisaligil, 2012). Part of the reason for the fast advances of cloud technology has been its ability to allow consumers access to current 

information systems that have been generated based on relevant data needs. As more cloud services are being made available to consumers there has been an increasing acceptance by companies to provide multiple technology services. The usage of mobile computing devices including smart phones and tablets has given rise to the need for consumers to access more information services. This has lead to cloud computing adoption rates to increase as it provides consumers with a way to better utilise their computing devices (Ratten, 2014b).

Cloud computing uses information infrastructure to provide flexibility with accessing online data (Bradshaw, Milland and Walden, 2011). As more people are travelling and working from home it has become increasingly important for them to access information in multiple formats and via different computing devices (Stein, Ware, LaBoy and Schaffer, 2013). Cloud computing offers these formats as a convenient way to access multiple technology services (Marston, Li, Bandyopadhyay, Chang and Ghalsasi, 2011).

Cloud computing represents the next cycle and stage of computing as a technological innovation. The rise of mobile computing devices has led to more consumers wanting to access services at any time and geographic location. This has forced more consumers to adopt cloud computing and increasing numbers of businesses utilising cloud infrastructure. The benefit of cloud computing for consumers is that services can be outsourced to provide better information infrastructure. The widespread adoption of cloud computing technology by consumers has increased pressure on traditional data centres because of changing application needs. The deployment of cloud computing has meant that technology has had to innovate by making things easier and faster for consumers.

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... Cloud computing comprises storage, software, and shared networks that are available through the internet. Cloud computing is a grid of all resources (e.g., servers and applications) placed in a shared location that can be accessed by a network, service providers, and users who can conveniently pay as they go. A service level agreement (SLA) assures the availability of resources. 

Then why Cloud Computing?

benefits of cloud computing

Cloud computing is a big shift from the traditional way businesses think about IT resources. Here are seven common reasons organisations are turning to cloud computing services:

Cost

Cloud computing eliminates the capital expense of buying hardware and software and setting up and running on-site datacenters—the racks of servers, the round-the-clock electricity for power and cooling, the IT experts for managing the infrastructure. It adds up fast.

Speed

Most cloud computing services are provided self service and on demand, so even vast amounts of computing resources can be provisioned in minutes, typically with just a few mouse clicks, giving businesses a lot of flexibility and taking the pressure off capacity planning.

Global scale

The benefits of cloud computing services include the ability to scale elastically. In cloud speak, that means delivering the right amount of IT resources—for example, more or less computing power, storage, bandwidth—right when it is needed and from the right geographic location.

Productivity

On-site datacenters typically require a lot of “racking and stacking”—hardware setup, software patching, and other time-consuming IT management chores. Cloud computing removes the need for many of these tasks, so IT teams can spend time on achieving more important business goals.

Performance

The biggest cloud computing services run on a worldwide network of secure datacenters, which are regularly upgraded to the latest generation of fast and efficient computing hardware. This offers several benefits over a single corporate datacenter, including reduced network latency for applications and greater economies of scale.

Reliability

Cloud computing makes data backup, disaster recovery and business continuity easier and less expensive because data can be mirrored at multiple redundant sites on the cloud provider’s network.

Security

Many cloud providers offer a broad set of policies, technologies and controls that strengthen your security posture overall, helping protect your data, apps and infrastructure from potential threats.

Types of cloud services: 

IaaS, PaaS, serverless and SaaS

Most cloud computing services fall into four broad categories: infrastructure as a service (IaaS), platform as a service (PaaS), serverless and software as a service (SaaS). These are sometimes called the cloud computing stack because they build on top of one another. Knowing what they are and how they are different makes it easier to accomplish your business goals.

Infrastructure as a service (IaaS)

The most basic category of cloud computing services. With IaaS, you rent IT infrastructure—servers and virtual machines (VMs), storage, networks, operating systems—from a cloud provider on a pay-as-you-go basis.

Platform as a service (PaaS)

Platform as a service refers to cloud computing services that supply an on-demand environment for developing, testing, delivering and managing software applications. PaaS is designed to make it easier for developers to quickly create web or mobile apps, without worrying about setting up or managing the underlying infrastructure of servers, storage, network and databases needed for development.

Serverless computing

Overlapping with PaaS, serverless computing focuses on building app functionality without spending time continually managing the servers and infrastructure required to do so. The cloud provider handles the setup, capacity planning and server management for you. Serverless architectures are highly scalable and event-driven, only using resources when a specific function or trigger occurs.

Software as a service (SaaS)

Software as a service is a method for delivering software applications over the Internet, on demand and typically on a subscription basis. With SaaS, cloud providers host and manage the software application and underlying infrastructure and handle any maintenance, like software upgrades and security patching. Users connect to the application over the Internet, usually with a web browser on their phone, tablet or PC.

Uses of cloud computing

You are probably using cloud computing right now, even if you don’t realise it. If you use an online service to send email, edit documents, watch movies or TV, listen to music, play games or store pictures and other files, it is likely that cloud computing is making it all possible behind the scenes. The first cloud computing services are barely a decade old, but already a variety of organisations—from tiny startups to global corporations, government agencies to non-profits—are embracing the technology for all sorts of reasons.

Here are a few examples of what is possible today with cloud services from a cloud provider:

Create cloud-native applications

Quickly build, deploy and scale applications—web, mobile and API. Take advantage of cloud-native technologies and approaches, such as containers, Kubernetes, microservices architecture, API-driven communication and DevOps.

Test and build applications

Reduce application development cost and time by using cloud infrastructures that can easily be scaled up or down.

Store, back up and recover data

Protect your data more cost-efficiently—and at massive scale—by transferring your data over the Internet to an offsite cloud storage system that is accessible from any location and any device.

Analyse data

Unify your data across teams, divisions and locations in the cloud. Then use cloud services, such as machine learning and artificial intelligence, to uncover insights for more informed decisions.

Stream audio and video

Connect with your audience anywhere, anytime, on any device with high-definition video and audio with global distribution.

Embed intelligence

Use intelligent models to help engage customers and provide valuable insights from the data captured.

Deliver software on demand

Also known as software as a service (SaaS), on-demand software lets you offer the latest software versions and updates around to customers—anytime they need, anywhere they are.

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