OnPrem vs IAAS vs PAAS vs SAAS

Question

Differentiate OnPrem vs IAAS vs PAAS vs SAAS

Tuhin Paul · Answer

Part -2 OnPrem (On-Premises) Example : A company uses its own data center to host its servers databases and applications. Use Case : A financial institution that requires high security and control over its data and infrastructure. Advantages : Full control over hardware security and compliance. Disadvantages : High upfront costs maintenance overhead and limited scalability. IaaS (Infrastructure as a Service) Example : Amazon Web Services (AWS) EC2 instances. Use Case : A startup needs scalable computing resources without the need to manage physical hardware. Advantages : Scalability flexibility and reduced upfront costs. Disadvantages : Requires management of OS middleware runtime data and applications. PaaS (Platform as a Service) Example : Google App Engine. Use Case : A software development team needs a platform to deploy and manage applications without worrying about the underlying infrastructure. Advantages : Simplified application deployment automatic scaling and reduced management overhead. Disadvantages : Limited control over the underlying infrastructure and potential vendor lock-in.

Tuhin Paul · Answer

Azure IaaS : Example : Hosting a virtual machine in Azure Virtual Machines (VMs) for a company that needs flexible server management without investing in physical infrastructure. Use Case : A company migrating an on-premises Windows/Linux server to the cloud but still needing control over OS and applications. Azure PaaS : Example : Hosting a web app using Azure App Service and Azure SQL Database . Use Case : A startup developing a SaaS-based web app without worrying about infrastructure database management or OS updates. Azure SaaS : Example : Using Microsoft 365 (Office 365) for cloud-based email and collaboration. Use Case : A business that wants email document management and collaboration tools without managing servers or software updates.