Virtualisation

Virtualisation

1. creation of a virtual resource

   • server
   • desktop
   • operating system
   • file
   • storage
   • network

2. benefits

   • Reduced capital and operating costs
   • Minimized or eliminated downtime
   • Increased IT productivity, efficiency, agility and responsiveness
   • Faster provisioning of applications and resources
   • Greater business continuity and disaster recovery
   • Simplified data center management
   • Availability of a true Software-Defined Data Center

3. challenges

   • Depleted resources
   • Lack of application awareness
   • Additional, unanticipated costs
   • Unused virtualization features
   • Management complexity

4. hypervisors

   • Type 1
     • runs directly on the underlying computer's physical hardware
       • Microsoft Hyper-V
   • Type 2
     • installed on top of an existing OS
       • VMware Workstation