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Cloud computing is undeniably here to stay. The technology has given a new shape to a myriad of businesses through its on-demand services, opening scope for innovative and optimal ways to share, deploy, and reduce time to production. Regardless of their size, all organizations that have made the switch to cloud computing benefit from the ability to use these services on demand and at the appropriate scale to support one or more of their business segments.

A strong cloud computing architecture is essential for any business interested in establishing its applications or use cases in the cloud. In this article, we delve into what exactly a cloud computing architecture is. We also examine its structural components and how they can be leveraged for your business.

What is Cloud Computing Architecture?

Cloud computing architecture provides a comprehensive platform that addresses how users can optimally access applications and data in the cloud securely from anywhere anytime. A variety of components and subcomponents are required to build this platform.

Cloud computing architecture is split into two parts: front-end and back-end. Although this is most relevant for designing application as a service, similar concepts also apply when designing a platform for HPC computations.The front-end consists of various client-side applications and access mechanisms, while the back-end consists of servers, storage, cloud-based delivery methods, and the network (internet, intranet, intercloud).

Front End

In an HPC environment, the front end is designed to serve as an interface for connecting, managing, and accessing all the compute and storage required. For an application, GUI represents and provides services the application is designed for. 

Back End

The backend half of cloud computing architecture is responsible for all infrastructure and services the frontend is designed to use. The backend is also responsible for monitoring and governance. Backend services include data storage servers, virtualization software, traffic control mechanisms, deployment models, and other supporting systems.

Cloud Computing Architecture Components

Cloud computing architecture includes multiple subcomponents. The following is a rundown of each:

• The hypervisor is a virtual machine that provides every user with Virtual Operating Platforms. It primarily divides and allocates resources while managing guest operating systems in the cloud.

• Management software monitors cloud applications using a variety of strategies to increase cloud performance. Operations include contingency plans, compliance auditing, and management of overseeing disasters. 
• Deployment software consists of the necessary installations and configurations required for running cloud services. Each deployment of a cloud service requires deployment software. Deployment can be accomplished using a Software as a Service (SaaS), Platform as a Service (PaaS), or Infrastructure as a Service (IaaS).

• The network connects to both the front-end and the back-end. It helps users connect and customize routes and protocols for accessing data. It consists of a virtual service hosted on the cloud computing platform. The network should ensure flexibility, security, and cost-efficiency. 

• An application, in a back-end context, refers to the platform or software that clients access. It provides a service based on requirements.

• A service in the backend refers to SaaS, PaaS, or IaaS, also depending on client requirements.
• Management is the monitoring of backend components like services, storage, applications, and infrastructure.
• Infrastructure in a cloud computing architecture backend context is the hardware and software components of the cloud. It includes servers, storage, network devices, and virtualization software.

Cloud computing architecture, at its core, creates an environment for businesses to safely develop applications and utilize a variety of cloud services based on individual needs.