Citation
Chee, Boon Kok
(1999)
A Java Based Multimedia Distributed Collaborative Environment over the Internet.
Masters thesis, Universiti Putra Malaysia.
Abstract
Computer Supported Collaborative Work (CSCW) and distributed computing
have been termed as the next paradigm of computing which allow users to interact
and collaborate with each other seamlessly over the network. As a result, many
collaborative distributed systems have been developed. Most of them have been
implemented on proprietary systems instead of the Internet. Some may not provide
necessary awareness for collaboration, while the rest still lack the real -world
collaborative tools that are needed by the users. Therefore, there is a critical need for
evaluating some of the proposed and existing systems to develop an effective
collaborative distributed system that provides superior performance, simplicity and
functionality.
In this thesis, efforts have been focused on creating a Distributed
Collaborative Environment (DCE) for efficient collaborative editing and interaction
among the participating users. Firstly, the comparison and analysis of various
existing collaborative systems are presented. Advantages and drawbacks of various systems are highlighted. Next, an alternative collaboration system has been
developed which integrates most of the superior features of other systems while
trying to avoid their drawbacks. The object-oriented design methodology is
described together with the newly designed collaborative access protocol, SICAP.
Finally, the implementation of the protocol on a client-server system is described.
The resulting Java Distributed Collaborative Environment (JDCE) is a
platform-independent collaborative system which has been developed using Java. It
runs on the Internet and provides both asynchronous and synchronous collaboration.
This environment has been built on top of an object-oriented layering architecture
framework to achieve maximum extensibility and robustness. The system provides
various services for state management, message routing and session control. No
installations are required to access the system since the client application is built as a
Java applet.
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