Network Plus Virtualization Concepts

Virtualization Overview Virtualization is the emulation of a computer environment called a Virtual Machine. A Hypervisor is the virtualization layer software component that creates one or more virtual machine environments within a physical computer.

Virtualization Advantages Efficient use of resources Cost and energy savings Fault isolation Backups and recovery 5/6/2013

Virtualization products VMWare – VMware Workstation – VMware Player – VMware ESX Microsoft – Virtual PC 2007 – Windows Virtual PC – Hyper-V Free – – Virtual Box 5/6/2013

Virtual Desktop Infrastructure VDI User environments run as VMs on a central server Users work from “thin-client” computers Centralized control and management of systems Support of BYOD 5/6/2013

Virtualization Components Customized use of hardware resources – Memory, CPU, Disk, and Network Adapters Virtualized adaptors – vNIC – Virtual switch 5/6/2013

Virtual Network Connections Bridged NAT Host-Only 5/6/2013

Virtual Appliances Virtual Machines that have a preinstalled application Prevents having to install applications on your local desktop. Keeps desktop environment less complicated 5/6/2013

Cloud Computing Cloud represents a packet switched network Cloud computing uses virtual machines to provide virtual servers to user organizations. – Provides for redundancy and backup Cloud services – Private and Public cloud computing 5/6/2013

The End