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Technology

AppStream's patented application streaming technology is:

	Technology White Paper
	Download the AppStream Technology White Paper and learn about our patented application streaming technology (PDF).

• A software distribution solution that streams applications from a central server out to distributed PC's, where they install locally and execute using local resources.
• An on-demand application streaming technology, streaming only the application functions that are required when they are needed.

At Launch

Upon initial launch, AppStream streams only the application "startup block", enabling the user to launch the application and begin to work with it in seconds — much more quickly than solutions that require the entire application to be transferred and installed before it can be accessed.

During Use

While the application is in use, AppStream's on-demand application streaming technology responds instantly to an end user's actual needs, transparently sending down additional application functions when the end user clicks on them. All streamed application functions persist across sessions. Because typical end users access only a fraction of an application's functions in normal use, bandwidth consumption is minimized — in most cases, AppStream's on-demand application streaming technology needs to stream less than ten percent of the application to support the end user's needs.

Updating

	Predictive Streaming
	AppStream's application streaming technology uses sophisticated predictive algorithms to make the on-demand software distribution process as efficient as possible. As an end user works with an application, the AppStream client requests additional application functionality from the AppStream server. The AppStream server captures these client request statistics, and feeds those statistics into a predictive algorithm. Over time, usage patterns are detected, and the server uses these patterns to perform predictive streaming — typically manifested by the streaming of application functions before they are requested based on the prediction that they are likely to be needed soon — thereby increasing end user satisfaction and eliminating wait time.

Each time an end user launches an application, AppStream compares the local application with its server-side counterpart, seeking inconsistencies. Any discovered application updates are streamed to the user while the application is still in use — a targeted update process that focuses only on the parts of the application the end user actually needs. This process can be extended to periodically check for damaged blocks of code and automatically repair the application.

User Impact

To the end user, streamed applications behave identically to applications that are fully-installed by conventional means, without the necessary workflow required to facilitate a push install, and preventing the need to perform frequent application downloads, uninstalls or reinstalls.

To the administrator, the result is reduced network congestion, reduced server load, universal application access across all networks, ensured version consistency and guaranteed application updating.

AppStream is flexible and standards-based

• The AppStream server communicates as a traditional web application, running over HTTP for on-demand software distribution.
• AppStream supports the MSI application packaging standard.
• AppStream works with traditional security solutions like SSL and VPN to provide secure access to internet facing desktops.
• AppStream integrates with existing identity stores, such as Microsoft's Active Directory and LDAP directories for user authentication and to leverage existing application provisioning information.
• AppStream comes with an embedded database and can also work with any other major database.

An Overview of How AppStream Works

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AppStream Inc. 2300 Geng Road, Suite 100, Palo Alto, CA 94303

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