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Citrix - Virtual Computing

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. 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.

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.

By applying this virtual computing vision to everything from meetings to desktops, networks and clouds, computing can be far simpler.

The End-to-End Citrix Delivery Solution

This end-to-end delivery approach is supported by a range of products which start on the Server and optimise the delivery at every stage, all the way to the end user device. Here is a summary of each of the primary products:

XenServer

Complete, Cost-effective Enterprise-ready, Server Virtualisation


XenServer is the enterprise-ready, cloud-proven virtualization platform that contains all the capabilities required to create and manage a virtual infrastructure. It is trusted by demanding organizations to run the most mission critical applications and used by the largest clouds and xSPs. XenServer:

*  Reduces costs by consolidating servers and reducing power, cooling, and datacenter space needs

*  Increases IT flexibility by allowing the provisioning of new servers and IT services within minutes

*  Ensures that application requirements and performance levels are always met

*  Minimizes downtime by reducing the impact of failures and protecting against disasters

The free edition of XenServer starts with a 64-bit hypervisor and centralized management, live migration, and conversion tools to create a virtual platform that maximizes guest density and performance.

The premium editions of XenServer extend the platform to enable organizations of any size to integrate and automate management processes, delivering a virtual datacenter solution.

XenServer features by edition

Citrix XenServer is the only virtualization platform that delivers all of the critical features needed for any server and datacenter virtualization implementation-scalability for any size business, support for Windows and Linux OSs and complex storage needs, centralized multi-server management, live virtual machine migration, and much more. No matter where you choose to begin with XenServer, all editions are compatible and can be upgraded in place via license key, with no additional software installation or downtime required. Purchasing XenServer is simple with pricing appointed on a per server basis.

XenApp

On-demand Application Delivery and Centralized Application Management


Citrix XenApp is an on-demand application delivery solution that enables any Windows application to be virtualized, centralized, and managed in the datacenter and instantly delivered as a service to users anywhere on any device. In use by over 100 million users worldwide, XenApp delivers on the promise of proven application compatibility.

Compared to traditional application deployment technology, virtual application delivery with XenApp enables organizations to improve application management by:

*  Centralizing applications in the datacenter to reduce costs

*  Controlling and encrypting access to data and applications to improve security

*  Delivering applications instantly to users anywhere

XenApp enables on-demand self service, by delivering applications instantly to users anywhere, from any device running any of over 30 operating systems. XenApp ensures that users receive a better than installed experience by leveraging application virtualization, session virtualization, and the unique Citrix HDX technology. HDX adapts virtual application delivery and access based on each user device, network, and location to ensure the optimal experience.

XenApp features by edition

Choose the application delivery solution that's right for you. Below is an overview of the features of Citrix XenApp by product edition:

XenDesktop

Transforming Windows Desktops into an On-demand Service


Citrix XenDesktop transforms Windows desktops into an on-demand service that can be accessed by any user, on any device, anywhere, with unparalleled simplicity and scalability. Whether workers are using the latest tablets, smartphones, laptops or thin clients, XenDesktop can quickly and securely deliver virtual desktops and applications to them with a high-definition user experience.

Innovative technologies in XenDesktop enable you to turn your vision for a more flexible, mobile and agile desktop computing environment into a reality:

Citrix Receiver - a lightweight universal client, enables any PC, Mac, smartphone, tablet or thin client to access corporate applications and desktops easily and securely.

Citrix HDX technology - delivers a rich, complete user experience that rivals a local PC, from optimized graphics and multimedia, to high-definition webcam, broad USB device support and high-speed printing.

Citrix FlexCast - delivery technology going far beyond the limitations of VDI-only solutions, gives each type of worker in your enterprise the virtual desktop that's right for them hosted or local, online or offline, standardized or personalized through a single solution.

Members of your workforce can access any Windows, web or SaaS application on demand through a single interface. Simple, self-service provisioning reduces desktop management costs and complexity. Built on an open, scalable, proven architecture, XenDesktop gives you the simplicity, flexibility and scalability to meet any requirement, while fully leveraging current and future investments.

XenDesktop features by edition

Citrix XenDesktop, the award-winning desktop virtualization solution, has three editions designed to enable everything from enterprise-wide desktop delivery to initial VDI-only implementations:

XenClient

A Client-side Hypervisor Extending Desktop Virtualisation


Desktop virtualization is rapidly being adopted as the best way to deliver Windows desktops to business users. Now, with Citrix XenClient, organizations can extend the benefits of desktop virtualization to laptop users for new levels of flexibility, security and control.

XenClient is a client-side hypervisor that enables virtual desktops to run directly on client devices. By separating the operating system from the underlying hardware, desktop images can now be created, secured, deployed and moved across any supported hardware, greatly reducing the maintenance burden on IT and simplifying disaster recovery for laptop users. Optimized for Intel vPro XenClient delivers the high definition experience that users expect.

XenClient Features

Bare-metal client hypervisor - Based on the cloud proven enterprise class Citrix XenServer, XenClient delivers near native performance with the highest levels of security for the ultimate in flexibility for users and control for IT.

Citrix Receiver for XenClient - Provides users with the flexibility to create and manage virtual machines locally or connect to centralized resources to download predefined VMs for speed and convenience.

Synchronizer for XenClient - Centralized configuration and deployment of local VM desktops. Define policy to restrict movement of corporate data, enable user self service recovery of backed up data, and disable virtual machines on lost or stolen devices.

Secure corporate data on laptops - XenClient enables security and lockdown from the hardware up. Each virtual machine runs in complete isolation, ensuring that malware or cyber attacks cannot pass between the environments.

Automatic backup and recovery - Data is backed up over a secure connection whenever the user is connected to the Internet. Lost or stolen laptops can be disabled remotely, ensuring that valuable data doesn't fall into the wrong hands.

High-definition user experience - XenClient provides direct access between the virtual machine and the full graphics capabilities of the underlying hardware delivering the richest graphics experience just like a laptop. Working in close collaboration with Intel, XenClient has been designed and optimized to take advantage of VT-d technology built directly into the hardware platform.

Network

Increase Network Security, Scalability and Speed


With XenServer in the data centre running XenApp and/or XenDesktop, and with end user devices running XenClient or Citrix Receiver, the machines at both ends of the connection are optimised. But what about the connection itself?

Citrix also have products that are designed to optimise and secure data passing between the data centre and the end user:

NetScaler - Accelerate Application Performance

Citrix NetScaler is a Web application delivery appliance that makes applications run five times better. Available as a separate hardware network device or as a virtualized appliance, NetScaler optimizes application availability through advanced L4-7 load balancing and traffic management, accelerates performance, increases security with an integrated application firewall and substantially lowers costs by increasing Web server efficiency.

Access Gateway - Secure Access to Corporate Data

Citrix Access Gateway is a secure application access solution that provides administrators granular application-level control while empowering users with remote access from anywhere. It gives IT administrators a single point to manage access control and limit actions within sessions based on both user identity and the endpoint device, providing better application security, data protection, and compliance management.

Branch Repeater - Optimise Branch Office Performance

Citrix Branch Repeater, available as both a physical and a virtual appliance, is a branch optimization solution that provides a high-definition desktop and application experience to branch and mobile users while dramatically reducing bandwidth costs and simplifying branch infrastructure. Branch Repeater accelerates desktop and application delivery, decreases bandwidth consumption, and enables server consolidation.

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