Virtualization in Cloud Computing Your Name Class | Subject | College
Introduction • Virtualization is the process of creating a virtual version of computing resources. • Example: One physical server can host multiple virtual machines (VMs).
Need for Virtualization • Efficient use of hardware • Flexibility & scalability • Supports Cloud Computing
How Virtualization Works • Hypervisor creates virtual machines • Each VM has its own OS & apps • Separation between physical & virtual resources
Types of Virtualization (Overview) • Full Virtualization • Para-Virtualization • OS-Level Virtualization
Full Virtualization • Uses Hypervisor • VMs unaware of virtualization • Example: VMware ESXi, Hyper-V
Para-Virtualization • VMs aware they are virtualized • Communicate directly with host • More efficient than full virtualization
OS-Level Virtualization • Uses containers instead of full OS • Lightweight and fast • Example: Docker, LXC
Pros of Virtualization • Efficient resource utilization • Reduced costs • Easy recovery & migration • High availability
Cons of Virtualization • High initial investment • Security risks • Performance issues under heavy load • Vendor lock-in
Virtual Servers • Logical servers on shared hardware • Used in hosting & enterprise apps • Advantages and disadvantages exist
Applications of Virtualization • Cloud computing • Development & testing • Backup & disaster recovery • Enterprise hosting
Future of Virtualization • Growth of containerization (Docker, Kubernetes) • Serverless computing • AI & ML integration
Conclusion • Virtualization is the backbone of cloud computing • Increases flexibility, reduces costs, and enables modern IT • One physical → many virtual = efficiency