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Please note that this program is for IAB Members only.
This Video Ad Serving Template (“VAST”) includes a standard XML-based ad response for in-stream video as well as an XML Schema Definition (“XSD”) for developers. It is meant to accommodate the majority of current practices within the online digital video advertising business.
VAST is designed for any on-demand video player where the ad response is parsed prior to play. For example, use of this standard would be appropriate within an Adobe Flash player if the ad response was requested and parsed in ActionScript but would not be appropriate if contained directly within a SMIL playlist directly sent to the player. It may be possible to use this XML format for applications other than on-demand viewing such as live video streaming, downloadable video players, set-top boxes, etc, but those applications are explicitly beyond the scope of the current effort.
The goal of this specification is to be compatible with any video player framework that has the ability to be scriptable. It will be up to each Secondary Ad Server to develop its own implementation of the standard and it will be up to each publisher or vendor to implement the standard in their Primary Ad Server and their Video Players.
Compliance Program for IAB members:
The IAB VAST Compliance Seal program has been designed to integrate into compliant member sites with ease. The IAB suggests that compliant member sites post the compliance seal in their online media kit as well as in their print versions. Media buyers will be educated about the benefits of VAST and be encouraged to look for the seal. The compliance seal must be placed according to IAB standards and should not be altered in any way.
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