This document discusses various types of virtualization including hardware virtualization, OS virtualization, and desktop virtualization. It provides examples of virtualization software including VMware, QEMU, and Microsoft Virtual PC. VMware is highlighted as the industry leader with products like ESX that run as hypervisors on hardware. The document also performs a SWOT analysis of virtualization, noting strengths like adaptability and live migration, weaknesses like cost, and threats like security breaches and new competition.

1. Virtualization Technology and An Application of Building VmWare Mehmet Açıkgöz

2. What is virtualization ? Method which aims to use the resources effectively. Isolation of computing resources from users. 2 types of virtual machines 2

3. These virtual machines share the physical resource between each other. Each virtual machine has own operating system. Hardware sharing is set by an interface. System Virtual Machines 3

4. VM which is designed to operate just one software. Runs on an OS as a module. Provides to execute only one process. The software which uses the resource provided by any VM can not step out to the virtual environment.This is the most important characteristic feature of VMs. Process Virtual Machine 4

5. Conceptof incorporating virtualization at a layer beloweven the OS Virtualization layer often called as a Hypervisor(Virtual Machine) Each of the individual virtual machines is completely and wholly segregated from each other. Hardware Virtualization 5

6. The internal resources of each virtual machine are replicated withHardware Virtualization Eachvirtual machine is atomic and they request physical resources through the hypervisor layer. Cont’d 6

7. Full emulation of complete hardware Supports different hardware components on a different hardware infrastructure Enableseach virtual machine to work with its own processor, RAM-everything physical computer contains. Hardware Emulation 7

8. GuestOS operatesin virtual machines within the virtualization application whichruns on top of the host OS in the same way as any other application. Each hosted virtual machine must be the exact same OS as the host. OS Virtualization 8

9. differs is that it does not simulate hardwareresources but instead offers a special Application Programming Interface (API) to hosted virtual machines Paravirtualization 9

10. Application Virtualization Software virtualization, unlike the other types, does not deal with whole systems. Instead, itencapsulates applications into virtualizationenvironments forenhanced distribution and administration 10

11. Allowsthe use of virtual machines to let multiple network subscribers maintain individualized desktops on a single, centrally located computer or server. Users may be geographically scattered, but all may be connected to the central machine by a LAN,WAN, or the public Internet. Desktop Virtualization 11

12. VMware's desktop software runs on Windows,Linux and Mac OS X. It has ESX software series (bare-metal) for enterprises They run on hardware as a hypervisor Some products:Vmware Server,Vmware ESX,Vmware ESXi,Vmware ThinApp VmWare & Its Rivals 12

13. An extensiveand open source machine emulator and virtualizer. As a virtualizer QEMU achieves near native(nonvirtualized)performanceby executing the guest code directly on the host CPU Qemu 13

14. Supports virtualization when executing under the Xen hypervisor or using the KVM kernel module in Linux. When using KVM, QEMU can virtualize x86, server and embedded PowerPC Cont’d 14

15. Windows Virtual PC Windows-hosted version as a free product It originally required hardware virtualization support updatedto Microsoft Virtual PC which allows it to run on PCs without hardware support 15

16. Cause problems with open source OS such as upgrading of kernel Correct permissions on Windows Vista Unidentified program requires access to the computer Problems 16

17. S.W.O.T Analysis Strengths Weaknesses Adaptability Live migration Leader in the industry Cost Mere presence of Microsoft 17

18. S.W.O.T Analysis Threats Opportunities Virtual Desktop Management Virtual Application Arena Security breaches New companies which emerge in virtualization arena 18