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Virtual Machines

Virtual Machines. Disadvantages & Conclusion. Presented by Muhammad Sheraz Anjum BS (IT) -07-16 Computer Science Department Bahauddin Zakariya University, Multan Tuesday, March 11, 2008. DISADVANTAGES. Performance Server sprawl Data Center virtualization

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Virtual Machines

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  1. Virtual Machines Disadvantages & Conclusion Presented by Muhammad Sheraz Anjum BS (IT) -07-16 Computer Science Department Bahauddin Zakariya University, Multan Tuesday, March 11, 2008

  2. DISADVANTAGES • Performance • Server sprawl • Data Center virtualization • Complex Deployment and Maintenance • Others

  3. PERFORMANCE • It is the most popular disadvantage in discussions of whether to use virtualization technologies. • Large high-availability systems are generally faster than large virtualized environments.

  4. SERVER SPRAWL • By installing an application in its own dedicated operating system upgrades can be isolated to either that single application or operating system.

  5. DATA CENTER VIRTUALIZATION DEF:-Data centers typically consist of a large number of heterogeneous servers, separating customers physically and logically. In the case of shared disk system the concept of virtual machines is worthless.

  6. Complex Deployment and Maintenance • When a large number of logical resources are consolidated onto a small number of physical resources, the consequences of downtime increases. • the possibilities increase thus complicating the management of the environment.

  7. OTHERS • No 3D support. • Sound support also have a problem. • Setting up a network is comparatively difficult than setting it on physical machine. • Security on internet

  8. CONCLUSION • As virtualization technologies continue to evolve in terms of the management components, the utilization of computing resources will continue to come closer to 100% utilization with the ability to scale out and in on-demand as physical resources are added and removed.

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