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Cloud Computing, its Types, Benefits, Drawbacks and Challenges in 2025

 Cloud computing is defined as the use of hosted services, such as data storage, servers, databases, networking, and software over the internet. Since cloud computing began, the world has witnessed an explosion of cloud-based applications and services in IT, which continue to expand. Almost every application we use resides on the cloud, helping us save storage space, expenses, and time. Cloud computing is the on-demand delivery of IT resources over the Internet with pay-as-you-go pricing. Instead of buying, owning, and maintaining physical data centers and servers, you can access technology services, such as computing power, storage, and databases, on an as-needed basis from a cloud provider like Amazon Web Services.


Types of Cloud Computing

Cloud computing can be categorized into different deployment models and service models. The main deployment models are public, private, and hybrid clouds.

Private cloud



The computing services are offered over a private IT network for the dedicated use of a single organization in a private cloud. Also termed internal, enterprise, or corporate cloud, a private cloud is usually managed via internal resources and is not accessible to anyone outside the organization. Private cloud computing provides all the benefits of a public cloud, such as self-service, scalability, and elasticity, along with additional control, security, and customization. Private clouds provide a higher level of cybersecurity through company firewalls and internal hosting to ensure that an organization’s sensitive data is not accessible to third-party providers. The drawback of private cloud, however, is that the organization becomes responsible for all the management and maintenance of the data centers, which can prove to be quite resource-intensive.


Public Cloud

A public cloud is a cloud computing model where IT infrastructure, like servers, storage, and applications, is delivered over the internet by a third-party provider to multiple customers on a shared infrastructure. Public cloud refers to computing services offered by third-party providers over the internet. Unlike private cloud, the services on public cloud are available to anyone who wants to use or purchase them. These services could be free or sold on-demand, where users only have to pay per usage for the CPU cycles, storage, or bandwidth they consume. These types of clouds can help businesses save on purchasing, managing, and maintaining on-premises infrastructure since the cloud service provider is responsible for managing the system. They also offer scalable RAM and flexible bandwidth, making it easier for businesses to scale their storage needs.

Hybrid cloud

                  

A hybrid cloud is a computing environment that combines a private cloud with a public cloud, allowing for the seamless movement of data and applications between the two. This approach offers the benefits of both, such as the security and control of a private cloud alongside the scalability and cost-effectiveness of a public cloud. Hybrid cloud uses a combination of public and private cloud features. A hybrid cloud model allows a shift of workloads between private and public clouds as the computing and cost requirements change. When the demand for computing and processing fluctuates, hybrid cloud allows businesses to scale their on-premises infrastructure up to the public cloud to handle the overflow while ensuring that no third-party data centers have access to their data. In a hybrid cloud model, companies only pay for the resources they use temporarily instead of purchasing and maintaining resources that may not be used for an extended period. In short, a hybrid cloud offers the benefits of a public cloud without its security risks.

Key benefits of Cloud Computing

The following are some key benefits of Cloud Computing:

Reduced costs:

 Maintaining IT systems requires big outlays of capital, something that cloud helps reduce. By using the resources provided by the cloud provider, businesses avoid the need to purchase expensive infrastructure, substantially reducing their expenditure. Cloud providers work on the pay-as-you-go model, which means businesses only pay for the services they use, further reducing costs.

 Scalability:

Cloud computing scalability refers to the ability of a cloud environment to adapt to changing workload demands by energetically adjusting its resources. This means businesses can increase or decrease their computing power, storage, and other resources as needed, ensuring most favorable performance and cost-efficiency. Scalability is a crucial characteristic of cloud computing, enabling organizations to handle fluctuating traffic, grow their business, and avoid under-provisioning or over-provisioning of resource Cloud allows organizations to grow their users from merely a few to thousands in a very short time. Depending on the need, a business can scale their storage needs up or down, allowing organizations to be flexible.

 Flexibility and collaboration:

 Since the data on cloud can be accessed directly via the internet, it gives employees the ability to work from anywhere, anytime at any instant. Cloud gives you the freedom to set up your virtual office anywhere you are. It also allows teams to work on a project across locations by giving them access to the same files as third-party vendors. Cloud environment is very precise and flexible.

 Challenges of Cloud Computing

   Although cloud provides many facilities to the users, it also faces some challenges. The biggest challenge of cloud computing is the security concerns associated with the technology. Although cloud service providers assure you of implementing the best security standards and industry certifications, there’s always a risk while storing your data on cloud. 

 Downtime:

Almost every cloud user will tell you that outages top their list of cloud computing challenges. At times, cloud service providers may get overwhelmed due to the huge number of clients they provide services to each day. This may lead to technical outages, due to which your applications may temporarily experience some downtime.

Internet connection dependency:

A user may not be able to access the data on cloud without a good internet connection and a compatible device. Moreover, using public Wi-Fi to access your files could pose a threat if the right security measures are not taken. Cloud computing heavily relies on a stable and fast internet connection. Without it, users can experience interruptions in accessing their data and applications, as cloud services are accessed over the internet. This dependence on internet connectivity is a one of the main disadvantage of cloud computing, especially in areas with unreliable internet access.

 Financial commitment:

Cloud providers use a pay-as-you-go pricing model. However, businesses need to give a monthly or annual financial commitment for most subscription plans. This needs to be factored into their operating costs. Cloud financial management is the practice of overseeing and optimizing cloud computing expenses within an organization. It aims to balance the cost and usage of cloud resources to ensure maximum return on investment (ROI). This involves an array of tasks including cost monitoring, budgeting, and resource allocation, all aimed at ensuring that you are using cloud resources in the most cost-effective manner.

 Security risks:

 Even if your cloud service provider promises you that they have the most reliable and advanced security certifications, there’s always a chance of losing your data. With hackers increasingly targeting cloud storage to gain access to sensitive business data, this might be an even greater concern, for which the appropriate measures need to be taken. The personal information provided by the users on cloud is not secure because of inappropriate security provided by cloud. It is considered as one of the key disadvantages of cloud computing.

 Limited Access:

 A user may have least control since the cloud service provider owns and manages the infrastructure. The user would only be able to manage applications and not the backend infrastructure. Crucial tasks, such as firmware management, may not be passed to the user at all. You always have to trust a third-party dealer to ensure security and take care of your data. Limited access to resources on internet is one of the major problems of cloud computing. Limited access on the system is on e of the major defects of cloud computing.

 The future of cloud will bring better ways to build products and services, serve customers, and make many discoveries. Business leaders who embrace the potential of cloud computing are certain to gain a competitive edge in this changing scenery, in the tools and software they choose, the cultures they create, or the business strategies they execute. Cloud computing offers numerous benefits, including flexibility, scalability, and cost-effectiveness, making it a revolutionary technology for businesses and individuals alike. Cloud computing brought about a complete shift for IT. Cloud computing has emerged as a pivotal technology with the potential to revolutionize various aspects of business and personal life. Its ability to provide scalable, cost-effective, and flexible solutions has made it a transformative force, and its continued evolution promises even greater advancements in the future.



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