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Application Sharing Technology: Sharing the Application or its GUI?

Application Sharing Technology: Sharing the Application or its GUI?
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Author(s): Dirk Trossen (Nokia Research Center, USA)
Copyright: 2001
Pages: 5
Source title: Managing Information Technology in a Global Economy
Source Editor(s): Mehdi Khosrow-Pour, D.B.A. (Information Resources Management Association, USA)
DOI: 10.4018/978-1-930708-07-5.ch120
ISBN13: 9781930708075
EISBN13: 9781466665323


Several toolkits have been developed in the past for the provision of audiovisual conferencing or collaborative working applications. Audiovisual information exchange can be seen as the minimal functionality of such tools. The exchange of commonly shared data, transfer of accompanying slides, or sharing a common whiteboard content is provided in many collaboration applications. Additionally, sharing an arbitrary local application in a conference is becoming more and more important, because this functionality is aiming at sharing a local, non-distribution-aware, application among all members, e.g., for demonstration purpose. This application sharing problem can be seen as the most challenging one in the development of conferencing tools. This paper compares two fundamental paradigms to solve the application sharing problem, namely sharing the application’s state or sharing the GUI output. For that, the basics of both techniques are presented, and their advantages, disadvantages, and implementation problems are outlined. Furthermore, an architecture is proposed for the event sharing approach which allows the local execution of the application with a commonly shared state. The paper concludes with outlining the expected problems of this architecture when being implemented.

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