Application Virtualization

 
Nuvola, a CSP official Citrix Partner, can offer you application virtualization technology that will enable you to deliver applications to your customers in a secure, virtual environment.  These applications do not have to be installed locally on the end-users’ computers; they are managed straight from Nuvola's Cloud Environment.  After the applications are “virtualized” they run on Nuvola servers-- the local computers’ operating and file systems remain unaltered. Computing resources are allocated in real time to meet the system’s continually-changing requirements. Through its virtualization, Nuvola provides you the technology  to support not only remote users but also IT departments by minimizing the complexity of testing, deploying, updating, and removing applications.
 
 
 
 Nuvola offers you two choices for application delivery

Remote Desktop; a server-based virtualization application, in which the application runs on Nuvola servers and customers connect with the application environment via a remote client; and

Citrix Xenapp; which provides application streaming for the target application that is packaged and streamed to a Client PC.  With Citrix Xenapp, the customer has its own private computing environment that is isolated from the client operating system and other applications.  Citrix Xenapp is a proven technology used by more than 100 million users around the world.

Remote Desktop

 

Remote Desktop, formerly known as Terminal Services, offers a very simple solution, usually requiring a virtual server running Microsoft Windows Server 2008, a configuration of the Remote Desktop, where customers connect with that server for their desktop sessions. Remote Desktop is intended for “light applications” such as data entry, forms processing and Microsoft Office applications.

This solution is best-suited to single-application or light applications use, as with the incorporation of additional users can help reduce the overhead associated with additional applications and result in overall lower operational cost.

Users familiar with media applications including music and movies might be disappointed to discover that audio and video playback is choppy with Remote Desktop using USB peripherals. In addition, printing applications dependent on slow WAN links can also lead to under-performing user sessions.

The benefits of Remote Desktop include low price as well as easy installation and maintenance; while the negatives include poor scalability, mediocre performance and higher-latency with poor bandwidth connections, and finally complex manageability.

Citrix XenApp

 

XenApp is a Citrix delivery system that manages and virtualizes all applications from the Data Center and provides them on- demand to workplace, task and mobile users for optimal application performance and versatile delivery. At Nuvola, the applications run centrally in a Data Center Environment and are streamed to the consumer’s chosen application device.  With XenApp technology we provide users an experience reflecting that of a conventional desktop including enhanced audio and video playback together with remote printing services.

As traditional Microsoft Remote Desktop uses RDP, Citrix-developed ICA runs on all XenApp infrastructures. The advantage is that the ICA protocol is:  thinner, cleaner, much more malleable, it functions more efficiently on a low-bandwidth and higher-latency connection; the ICA protocol also   delivers significant internal benefits, notably the ability to prioritize specific traffic inside a connection even to the application level.  XenApp can also manage heavier customer workloads and application counts than simple Microsoft Terminal Services.

XenApp has several additional benefits including:  administration layers and connection possibilities that offer load-balancing, high- and low-level user management (including session monitoring) as well as internal/external connection security.  It also allows users to securely connect to their corporate desktop sessions from any remote location via standard Internet browsers. In this respect, XenApp is very similar to a conventional VPN without requiring standard clients or particular VPN concentrators. 

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