3. Among the leading business challenges confronting CIOs
and IT managers today are:
• cost-effective utilization of IT infrastructure,
• responsiveness in supporting new business
initiatives,
• flexibility in adapting to organizational changes,
Virtualization is a fundamental technological
innovation that allows skilled IT managers to
deploy creative solutions to such business
challenges.
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4. virtualization refers to physical abstraction
of computing resources
the physical resources allocated to a VM are
abstracted from their physical equivalents
virtual
Virtual network virtual virtual
disks interface CPUs memory
cards
all map to physical resources on a physical computer system.
4
6. Today, many data centers have machines
running at only 10 or 15 percent of total
processing capacity.
85 or 90 percent of the machine’s power is
unused
Energy
Money Places consumed
Time
6
7. With virtualization you’ll save significant money on hardware,
power, and possibly IT staff.
the practical aspect of virtualization:
• Minimize hardware costs
• Provide disaster recovery
• Consolidate idle workloads
• Balance loads
• Test software
• Centralize server management
• Conserve power
• Deploy servers faster
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12. Virtual server (system) is like a physical server, is
dedicated to a job or jobs for which it is designed.
Configuring a virtual server is much the same as
configuring a physical dedicated server.
Installation security software software
server patches updates updates
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14. Desktop virtualization is moving a desktop operating
system from local hardware to a remote server
system.
remote desktop is accessed by using some
lightweight client in the form of a small or minimal
operating system
Smart Dumb
Terminal Terminal
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15. The newest entry into the desktop
Hosted Web virtualization world. You can access your
Desktop Systems desktop from anywhere with a web
browser.
Application virtualization can improve portability,
manageability, and compatibility of an application
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16. Applications installed and used on remote server
Virtualization systems through a browser or specialized client.
Applications Word processing, databases, customer
relationship management (CRM).
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18. VPNs are still the accepted method to
VIRTUAL PRIVATE
connect remote users and remote offices
NETWORK to a central office network because they
(VPN) are secure and efficient.
There are several ways to implement a VPN service for a network
Hardware Software
VPN VPN
solution solution
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19. Virtual Local Area VLANs are used on larger networks to
Network segment, or isolate, traffic into separate
(VLAN) broadcast domains
VLANs are usually created using intelligent switches, but you can also
create them with:
Standard VMware
VLAN VLAN
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20. Server-based storage is traditional file server storage
where you are connected permanently to a server that
shares its local disks to users for file storage
SAN AND VSAN Data NAS
•Storage area networking Transportation Network attached storage
•Virtual Storage area
networking
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22. Installing Virtual Machine : Vmware Workstation
Installing Linux and Windows Xp
Set up Web server Apache on every machine
Testing the connectivity to these servers
Implement Load Balancing solution with pound
22
23. Even though virtualization is a software
technology, it has the effect of making
hardware more important.
removing lots of servers
migrating their operating systems to virtual
machines
Hardware environment becomes more
important.
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Host’ operating system – this is the operating system of the physical computer on which the virtualisation software is running.‘Guest’ operating system – the operating system running inside the virtual machine. Guest o/s support lists generally indicate operating systems for which the virtualisation software has been optimised and for which driver support is available for the emulated hardware within the virtual machine.Paravirtualization is where the guest operating systems run on the hypervisor, allowing for higher performance and efficiency. Examples of paravirtualization are Microsoft Hyper-V and VMware ESX Server.Native virtualization (or full virtualization) is where a type-2 hypervisor is used to partially allow access to the hardware and partially to simulate hardware in order to allow you to load a full operating system. This is used by emulation packages like VMware Server, Workstation, Virtual PC, and Virtual Server
A smart terminal is a minimal computer equipped with a minimal operating system. A smart terminal has limited processing power because its entire job is to connect you to a remote server system. Smart terminals connect to Terminal Servers by some protocol—Citrix ICA, RDP, VNC, XDMCP, and the like. Users, after authentication These devices have a small set of utilities embedded in them so that they can be configured locally, remotely, via aweb browser, or some other proprietary provisioning software.After the terminal is provisioned or configured, the user is automatically directed to the appropriate server when the unit is powered on. These devices are generally single-homed (configured for a single Terminal Server), unlike the smartterminals that can connect to a user-selectable array of available resources.
icloudCloudOS from Xcerion (www.icloud.com.)StartForce Online Desktop (www.StartFroce.com)
running locally, the resources that normally would be installed into the OS, such as dynamic linked libraries (DLL), code frameworks, control panels, and registry entries are installed into an application container and the entire container is streamed.
For example, if you create VLAN 10 in your switch and assign the IP address range of 192.168.1.0/24, any host that you place into that network range will be a member of VLAN 10.
Network-based storage is storage that is not local to any one server but spread throughout a network in the form of disk arrays, tape libraries, optical disk arrays, and various types of network attached storage devices.The VSAN enables SAN managers to administer SANs with greater efficiency because the VSAN removes the location issue from the SANIt also allows maintenance to occur without interruption—for example, by replacing, adding, or removing storage devices without bringing an entire SAN down to do so.
Consequently, as you move forward with virtualization software,the perhaps unexpected effect is that your hardware environmentbecomes more important.