DOI : 10.17577/IJERTV2IS3627
- Open Access
- Total Downloads : 216
- Authors : Miss. Grishma R. Bhokare, Prof. C. J. Shelke
- Paper ID : IJERTV2IS3627
- Volume & Issue : Volume 02, Issue 03 (March 2013)
- Published (First Online): 26-03-2013
- ISSN (Online) : 2278-0181
- Publisher Name : IJERT
- License:
This work is licensed under a Creative Commons Attribution 4.0 International License
Vmware Server And With Its Future Applications
Miss. Grishma R. Bhokare ME (CSE)1st Year P.R.Patil College of Engineering Amravati
Prof. C. J. Shelke P.R.Patil College of Engineering Amravati
Abstract:
VMware is a virtualmachine monitor for PCs. VMware provides isolated environments in which multiple x86 operating systems and applications can run concurrently on a standard PC. VMware has a lot of capabilities hidden under the covers, besides just running multiple operating systems. This talk will cover some of the architecture of VMware and discuss some of the more interesting capabilities and technical tricks for advanced users — including virtual disks, undoable and non-persistent disk modes, virtual networking and advanced networking and
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Running multiple applications on same machine often creates conflict
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Underutilized resources
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Inflexible and costly infrastructure
Application Application
security applications.
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Introduction
The desktop software is compatible for computer running on Microsoft windos,linux,macos x operating system.thevmwarr
Operating system
CPU,memory
,NIC,Disk
Operating system
CPU,memory
,NIC,Disk
is a softeware that installed in one computer and allows the duplication of the program execution to multiple computers.It provides all other computers connected to the main computer a complete system platform that support execution of the complete operating system. This software allows each computer to behave as if they are running on its own operating system having its own set of programms and hardware resources.Among the leading business challenges confronting CIOs and IT managers today are: cost-effective utilization of IT infrastructure; responsiveness in supporting new business initiatives; and flexibility in adapting to organizational changes. Driving an additional sense of
CPU
VMware Virtualization Layer
X86 Architecture
Disk
urgency is the continued climate of ITbudget constraints and more stringent regulatory requirements.Virtualization is a fundamental technological innovation that allows skilled IT managers to deploy creative solutions to such business challenges.
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Virtualization in a Nutshell
Mem
Figure1: Virtualization
2.2.After Virtualization
NIC
2.1.Beforecirtualizatio
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Single OS image per machine
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Software and hardware tightly coupled
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Hardware-independence of operating system and applications
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Virtual machines can be provisioned to any
system
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Can manage OS and application as a single
unit by encapsulating them into virtual machine
Application
Operating system X86 Architecture
machines. Hardware-level virtualization was pioneered on IBM mainframes in the 1970s, and then more recently Unix/RISC system vendors began with hardware-based partitioning capabilities before moving on to software-based partitioning.For Unix/RISC and industry-standard x86 systems, the twoapproaches typically used with software- based partitioning are hosted and hypervisor architectures (See Figure 2). A hosted approach provides partitioning services on top of a standard operating system and supports the broadest range of hardware configurations. In contrast, a hypervisorarchitecture is the first layer of software installed on a clean x86-based system (hence it is often referred to as a bare metal approach). Since it has direct access to the hardware resources, a hypervisor is more efficient than hosted architectures, enabling greater scalability,robustness and performance.
CPU
Mem
NIC Disk
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Hosted Architecture
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Installs and runs as an application
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Relies on host OS for device support and physical resource management
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Using virtual infrastructure solutions such as those from VMware, enterprise IT managers can address challenges thatinclude:
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Server Consolidation and Containment Eliminating
serversprawl via deployment of systems as virtual
Applicatio n
Application
Operating system
Vitualizatio n Layer
machines (VMs)that can run safely and move transparently across sharedhardware, and increase server utilization rates.
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Test and Development Optimization Rapidly provisioningtest and development servers by reusing pre- configuredsystems, enhancing developer collaboration and standardizingdevelopment environments.
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Business Continuity Reducing the cost and complexity ofbusiness continuity (high availability and disaster recoverysolutions) by encapsulating entire systems into single filesthat can be replicated and restored on any target server,thus minimizing downtime.
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Enterprise Desktop Securing unmanaged PCs,
CPU
Host Operating System VMware Virtualization Layer
X86 Architecture
Disk
workstationsand laptops without compromising end user autonomy by layering a security policy in software around desktop virtual machines.
Me
mor
NIC
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Virtualization Approaches
While virtualization has been a part of the IT landscape fordecades, it is only recently (in 1998) that VMware delivered the benefits of virtualization to industry-standard x86-based platforms, which now form the majority of desktop, laptop and server shipments. A key benefit of virtualization is the ability to run multiple operating systems on a single physical system and share the underlying hardware resources known as partitioning.
Today, virtualization can apply to a range of system layers,including hardware-level virtualization, operating systemlevel virtualization, and high-level language virtual
Figure 2: Virtualization Architecture
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Bare-Metal (Hypervisor) Architecture
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Lean virtualization-centric kernel
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Service Console for agents and helper applications
App O.S.
App O.S.
App O.S.
App O.S.
Cluste ring soft.
Servic e Conso le
newvirtualization hardware assistenhancements (Intels VT and AMDs Pacifica) will enable
robust virtualization of the CPU functionality. Such hardwarevirtualization support does not replace virtual infrastructure, butallows it to run more efficiently.
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Para-virtualization
A virtualization approach that exports a modified hardwareabstraction which requires operating systems to be explicitly modified and ported to run.
Although virtualization is rapidly becoming mainstream
CPU
VMware Virtualization Layer X86 Architecture
NIC
Me
mor
Disk
technology,the concept has attracted a huge amount of interest,and enhancements continue to be investigated. One of these ispara-virtualization, whereby operating system compatibility istraded off against performance for certain CPU-bound applicationsrunning on systems without virtualization hardware assist(see Figure 3). The para- virtualized model offers potential performancebenefits when a guest operating system or application
is aware that it is running within a virtualized environment,and has been modified to exploit this. One potential downsideof this approach is that such modified guests cannot ever bemigrated back to run on physical hardware.
In addition to requiring modified guest operating systems, paravirtualizationleverages a hypervisor for th underlying technology.In the case of Linux distributions, this approach requiresextensive changes to an operating system kernel so that it can
coexist with the hypervisor. Accordingly, mainstream
4.How Virtualization Complements New- Generation Hardware
Extensive scale-out and multi-tier application architectures arebecoming increasingly common, and the adoption of smallerform-factor blade servers is growing dramatically. Since thetransition to blade architectures is generally driven by a desirefor physical consolidation of IT resources, virtualization is anideal complement for blade servers, delivering benefits such asresource optimization, operational efficiency and rapid provisioning.
The latest generation of x86-based systems feature processorswith 64-bit extensions supporting very large memory capacities.This enhances their ability to host large, memory-intensiveapplications, as well as allowing many more virtual machines tobe hosted by a physical server deployed within a virtual infrastructure.
The continual decrease in memory costs will further accelerate this trend.Likewise, the forthcoming dual-core
Linuxdistributions (such as Red Hat or SUSE) cannot be run in a paravirtualizedmode without some level of modification. Likewise,Microsoft has suggested that a future version of the Windowsoperating system will be developed that can coexist with a newhypervisor offering from Microsoft.Yet para- virtualization is not an entirely new concept. Forexample, VMware has employed it by making available asan option enhanced device drivers (packaged as VMwareTools) that increase the efficiency of guest operating systems.Furthermore, if and when para-virtualization optimizations areeventually built into commercial enterprise Linux distributions,VMwares hypervisor will support those, as it does all mainstream
perating systems.
Application Application
processor technologysignificantly benefits IT organizations by dramatically loweringthe costs of increased performance. Compared to traditionalsingle-core systems, systems utilizing dual-core processors will
be less expensive, since only half the number of sockets will
Paravirtualiz ed guest Operating system
Paravirtualiz ed guest Operating system
berequired for the same number of CPUs. By significantly loweringthe cost of multi-processor systems, dual-core technology willaccelerate data center consolidation and virtual infrastructureprojects,
Beyond these enhancements, VMware is also working closelywith both Intel and AMD to ensure that new processor technologyfeatures are exploited by virtual infrastructure to the fullestextent. In particular, the
Hypervisor/VMM X86 Architecture
Figure 3: Para virtualization
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Recovery over drawback of VMware
One of the few drawbacks that a lot of computer wizards have tosay about VMware is the issue about compatibility.
Although you can practically virtualize your computer machine at any time,the need for the application software to make the whole process of virtualization makes it a little complexTake a look at who the Vista operating system works well with the VMware server. The family of windows operating system did not record any problem or issue of compatibility with Virtual Machine servers to date.As a matter of fact ,the recorded most compatible operating systems to work with the VMware is the window platform. In such a cases ,the Windows Vista Operating system then perfectly work with the VMware Servers.Just a titbit of information about VMware ,a VMware server works fine with Intelmachines and that it works well with any operating systemplatform. Another things Vista Operating system as we all know consume a lot of PC memory space due to its massive graphics interface.Just like Vista ,theVMware server does eat too much memory space.Although you can potentially limit and control the amount of RAM that will be allotted to using the VMware server,however,the minimum requirement to have it properly downloaded and installed is still significantly higher.
With theasedrawbacks,the VMware Server that you will use for your Vista Operating system will require too many resources very well should you plan to actuate virtualization on your PC with Windows Vista altogether.
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Future scope
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environment
"When engineers develop applications, they need to test for so many things," Joshi said. "With an appliance, they can wrap the application and an OS in a tiny, confined package. It's a very controlled environment. It is a stable environment." This isn't necessarily a separate track from cloud computing. One of the issues with cloud computing, especially with regards to its cousin, grid computing, is that as the grid broadens, heterogeneous platforms are inevitable
— as are conflicts. If the point of intersection is something simple like the browser, those conflicts are more or less eliminated.
"The fundamental thing about virtual machines is that they're a set of files. That's it. They're software. They're easy to move and reallocate. Hardware, on the other hand, is clunky. There are so many components you have to consider."
With virtual machines, end users have the luxury of imposing processes on top of them. If you need an additional security layer, click off a box. If you need high-availability, check another box. We're not to the point where applications and the virtual infrastructures that serve them are that nimble yet, but VMware and others in this space are getting there.
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Moving from applications to services
"Enterprises don't care about the application or the OS as such. What enterprises want are productivity and performance. What they want are service levels that can be
agreed upon and measured. They care about performance parameters, about downtime, about charge-backs. Our vision of cloud computing is that applications will become platform agnostic. It wont matter where they physically reside, where users access them from, or even what devices those users choose."
VMware isn't placing all of its bets on the cloud, though. Another perhaps complementary model is to package mission-critical applications as virtual appliances. The OS is confined. The application is single-purpose, and the goal is to eliminate the problems that come with multiple installations, ongoing configuration changes and numerous conflicting processes. Maintenance costs are reduced, security should be improved and process conflicts are eliminated.
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Conclusion
In this paper, a comprehensive study VMware. The VMware server is an application that allows you to fully maximize the virtual technology on your personal computer .With the rapid invasion of virtualization in the world of computers, we need to use VMware server. In this work ,some successful applications exist in VMware and future of VMware. Here investigated how recover the drawback of VMware which is very useful for computer.
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References
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