Security and Usability

According to Citrix, users can roam from device to device, authenticating themselves via XenDesktop’s SmartCard support, and access their desktops no matter what the capabilities of the “endpoint device” are. If a thin client doesn’t have the power to run desktops locally, the desktops run remotely and are sent to the user via “screen scraping.”

On the other hand, if the thin client is an x86 device, desktops — constituting images of both a Windows XP operating system and any applications that have been installed into it — can be streamed to it and will run locally, “leveraging distributed processing power.” Citrix doesn’t specify, however, whether the thin clients had to be booted into Windows in the first place, or if Linux-based x86 systems also quality.

Meanwhile, Citrix also touts its HDX (high-definition user experience), a set of technologies that’s said to enhanced multimedia performance on thin clients. The HDX allows users to work with USB devices locally, and tap into a thin client’s 3D hardware, if present. Via “HDX MediaStream” technology, compressed a/v information — including DiVX, a variety of MPEG flavors, WMV, WMA, and MP3 — is sent to a thin client in its native format, and decompressed locally, the company adds.

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Citrix XenDesktop 4

Citrix Systems' XenDesktop 4 is a VDI offering that should work in most enterprises. This is because it offers certain key capabilities, including the following:

• Automated provisioning for users, applications and desktops
• The ability to monitor and report on service levels
• Image management for virtual and physical desktops
• Administrator-defined profiles
• Support for multiple virtual machine infrastructures
• The ability to deploy Microsoft Office applications over the LAN
• A high-definition, high-speed experience, regardless of the network
• Multiple delivery models for applications and desktops
• Delivery of applications and desktops based upon defined user roles
• Integrated access control based on policies

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Citrix Xendesktop architecture

Citrix’s XenDesktop architecture stores all virtual desktops on a centrally managed XenServer, represented by the boxes at the right of the above image. The company says its newly released Xenserver 5 offers “bare metal” performance, and can host twice the number of virtual desktops as previous versions.

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Citrix XenApp Fundamentals

Citrix XenApp Fundamentals enables five to 75 persons to remotely use corporate Windows programs conveniently and securely over the Web. Unlike other remote access alternatives, it performs well across slow connections, strict network firewalls, and non-Windows computers without needing to rewrite applications, upgrade computers, or increase bandwidth.

Its simple role-based rules control which central resources individuals see and where they store and print sensitive information. Newly arriving Internet and internal LAN users are automatically load-balanced among available application servers, providing users application access seamlessly from anywhere at any time. The product comes with or without Microsoft Terminal Server Client Access Licenses (CALs).

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Citrix XenDesktop

Citrix XenDesktop virtualizes desktops and delivers them to users on any device. With XenDesktop, the user's virtual desktop environment is dynamically assembled to optimize the virtual desktop infrastructure (VDI). This technology of Citrix ensures that users receive a no-compromise experience that is indistinguishable from a locally installed desktop. You can buy software of all of these kinds online

Access from anywhere

Users access their virtual desktops from almost any corporate PC, thin client, Mac, netbook, or smartphone, using Citrix Receiver™. Once they authenticate, users will get the same, high-performance virtual desktop every time.

Dynamic desktop assembly

Each user’s desktop can leverage virtualization to separate the OS, applications, and user personalization settings. Each element can be dynamically combined for each user session, ensuring that users receive the most up-to-date, pristine version of each.

Delivered with HDX technology

For hosted desktops, HDX user experience technologies ensure high-performance, rich graphics, broad support for USB devices, seamless multimedia and more—over the LAN, WAN, Internet, or wireless network.

Other famous products of Citrix are Citrix Xenapp Fundamentals and Citrix Xenapp version 6. Moreover Citrix HDX technology provides a broad set of capabilities to ensure that users receive the best high-definition experience for virtual desktops. HDX has a unique capability to dynamically assess the capabilities of the endpoint, network, and datacenter, and take advantage of processing power wherever it makes the most sense.

A brief Introduction of Citrix Compnay

Citrix Systems was born from the idea of unlocking applications from datacenters, and employees from the office – changing the way IT and people work. Today, this is the promise of virtual computing, and Citrix is at the epicenter.

In the world ahead, the better way to work is virtual – completely untethered from the office, devices, networks and datacenters. This virtual workstyle creates new possibilities for personal efficiency and business speed. The world’s smartest organizations are discovering that “going virtual” is how to stay ahead in a business world that’s changing faster than ever.

Virtualization goes far beyond just consolidating servers. It’s also about powering the cloud, enabling online collaboration from anywhere, and taking desktop computing to an entirely new level. It’s about elevating IT from managing equipment and systems, to enabling them to deliver computing as an on-demand service. For our customers, it’s about unleashing the productivity and creativity of people, allowing them to seize business opportunity ahead of competitors.

By applying our virtual computing vision to everything from meetings to desktops, networks and clouds, computing can be far simpler. Our belief in the power of simplicity becomes more market-relevant every day and is the basis for how Citrix will continue to drive long-term value for shareholders, employees, customers and partners.

The more focused products of Citrix are Citrix Xendesktop, Citrix Xenapp Fundamentals and Citrix Xenapp version 6. More than 230,000 organizations worldwide rely on Citrix to help them build simpler and more cost-effective IT environments enabling virtual workstyles for users and virtual datacenters for IT. Citrix partners with over 10,000 companies worldwide in more than 100 countries. Founded in 1989, annual revenue in 2009 was $1.61 billion. You can Buy Software of these kinds online on many websites e.g. http://www.softwareforless.com/.