Infrastructure as a Service (IaaS)

IaaS stands for Infrastructure as a Service. It is a type of cloud computing service model that allows businesses or individuals to rent computing infrastructure.

Customers can rent resources on a pay-per-use basis. IaaS providers typically offer a range of services, including virtual machines, storage, load balancers, firewalls, and other infrastructure components. Customers can configure and manage these resources through a web-based interface or API provided by the IaaS provider.

Examples of IaaS providers

Advantages

Scalability

IaaS providers flexible and scalable solutions, allowing businesses to quickly increase or decrease their computing resources as needed, without needing to invest in new hardware or software

Cost Saving

IaaS eliminates the need for businesses to invest in their own physical infrastructure, reducing capital expenses and operational costs associated with hardware maintenance, upgrades, and replacements

Reliability

IaaS providers often offer high availability, fault tolerance, and disaster recovery options, ensuring that business-critical applications and data are always available and protected. 100% uptime is the goal, but the industry considers 99.99% uptime as high availability

Geographic reach

IaaS providers often have data centers located in multiple geographic regions, allowing businesses to choose the location that is closest to their customers, which can improve the performance and reduce network latency

Security

IaaS providers typically offer a range of security features, such as firewalls, intrusion detection and prevention, and data encryption, which can help businesses to protect their data and applications

Disadvantages

Lack of control

With IaaS, businesses may have less control over the infrastructure, as the provider manages the underlying hardware and software

Dependency on the provider

IaaS providers are responsible for maintaining the infrastructure, which means businesses rely on the provider's expertise and support to ensure that their applications and data are running smoothly

Security risks

While IaaS providers offer security features, businesses are still responsible for securing their applications and data within the infrastructure. Also there is no 100% guarantee that your data inside IaaS infrastructure secure and is not used by third parties

Limited customization

IaaS providers offer preconfigured infrastructure components, which can limit the ability of businesses to customize their solutions in case of specific needs

Compliance challenges

Businesses may face compliance challenges when storing sensitive data in the cloud, as they must ensure that the provider meets regulatory requirements and maintain compliance themselves

Platform as a Service (PaaS)

Software as a Service (SaaS)

Backend as a Service (BaaS)

Last update April 15, 2023

Software Architecture IaaS XaaS

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