What is IaaS | Advantages and disadvantages of IaaS

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May 23, 2022

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What is IaaS?

IaaS (Infrastructure as a Service) is a software delivery model in which a vendor hosts the infrastructure needed to run software applications. This can include operating systems, network infrastructure, security services, and software applications themselves.

It’s a great option for startups that need a high level of control over their infrastructure but don’t have the time or expertise to build it themselves.

In the same way, large enterprises can also take advantage of IaaS to build state-of-the-art infrastructure without having to worry about the day-to-day operations of maintaining and updating that infrastructure.

How does IaaS work?

IaaS stands for Infrastructure as a Service. It is a cloud computing model for delivering computing resources on demand. It allows you to rent computing infrastructure – such as servers, storage, networks and databases – from a third party.

The advantages of IaaS:

IaaS provides on-demand computing resources at a fixed cost, which can be used to run applications and perform certain services. It is advantageous for companies that have a high demand for computing power but do not have the budget to purchase physical infrastructure. IaaS also reduces the time and money spent managing infrastructure, while providing scalability and disaster recovery (DR) capabilities. IaaS can also be used to host websites, web applications, and online stores.

Cloud computing offers many benefits for businesses, including improved productivity and reduced costs. However, one of the most compelling reasons to move to the cloud is the added security it offers. When your business data is stored in the cloud, you have the ability to access it from anywhere, on any device. This gives you the ability to work from anywhere, anytime, without relying on local IT.

disaster recovery (DR) is the process of recovery after a natural or man-made event that affects a local area, organization, or data center, and the organization’s ability to recover data and services within a given time frame. DR is a critical function of all IT environments, but especially cloud environments, where service provisioning is done over a network.

IaaS (Infrastructure as a Service) is a cloud-based system that stores data in one or more storage repositories. It offers a web interface for managing, accessing and transferring data. This allows consumers to access their information from any device.

The importance of availability cannot be overstated. It refers to the ability of a cloud service to be available to your business 24/7. Cloud companies can guarantee you over 90% availability, and the only time they don’t cannot is if their own server, network or data centers go down. This is advantageous for any business.

  • Improves business productivity:

Small and medium-sized enterprises (SMBs) can benefit from IaaS because they don’t have to invest in or manage the underlying hardware. It boosts business productivity by allowing it to adapt operations as needed without missing deadlines. Additionally, IaaS is a versatile solution that can be scaled to meet changing business needs.

The disadvantages of IaaS:

It is easy for hackers to break into a cloud computing environment because it is not as secure as a physical server. If the system is on a local network, it is much more secure. However, this advantage of a cloud computing environment also has its drawbacks, such as the lack of control over resources.

IaaS is generally cheaper than buying the same services in a packaged format. However, the cost of using IaaS services can increase unexpectedly, which can make IaaS appear even more expensive than traditional services. For example, IaaS providers typically use a formula to calculate how much bandwidth you use each month. If your usage increases, your bill may increase even if you never used more services.

  • Dependence on a Third Party Service Provider:

IaaS is a great choice for many organizations, but it comes with its own set of challenges. One of the biggest challenges is knowing how dependent you are on the supplier. In the case of Amazon Web Services (AWS), the company owns the hardware, so they are the sole supplier of your computing resources. When you use IaaS, you pay for computing resources in addition to paying for the operating system, software applications, and data storage.

The technical problems of IaaS are caused by the lack of standardization of the cloud environment. Cloud service providers have yet to standardize the following aspects of their cloud environments: networking, service models, security, and network architectures.


Cloud computing has many advantages, but also some disadvantages. Cloud computing can save a business money by using fewer servers and using the servers for multiple clients. Cloud computing also makes it easy to set up new servers if needed. The disadvantages of cloud computing are the high cost of servers and the lack of control over servers.

Still confused about whether or not to opt for IaaS cloud-based service models, do not hesitate to contact us, we will guide you in the right direction.

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