A Hybrid Transport Infrastructure

This multi-layered communications infrastructure has been chiefly utilized for its real-time multi-channel media processing and transport layers. The architecture of the system is multi-pier, trading off on the benefits of UDP, TCP and RTP/RTCP protocols for a very powerful media transport framework. The transport layer abstracts RTP, UDP and TCP transport mechanisms to simplify application integration. The application layer allows multi-channel real-time media processing applications to be built by linking together modules into graph structures (The application layer is similar to D2K in this respect). This project was the result of various lines of development while at NCSA beginning with my remote augmented reality work with Motorola and continuing with my work on collaborative video avatars embedded in the virtual reality space of Virtual Director.

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