Supermedia transport for teleoperations over overlay networks

Authors:
Zhiwei Cen;Matt W. Mutka;Danyu Zhu;Ning Xi
Affiliations:
Dept. of Computer Science and Engineering, Michigan State University, East Lansing, MI;Dept. of Computer Science and Engineering, Michigan State University, East Lansing, MI;Dept. of Computer Science and Engineering, Michigan State University, East Lansing, MI;Dept. of Electrical and Computer Engineering, Michigan State University, East Lansing, MI
Venue:
NETWORKING'05 Proceedings of the 4th IFIP-TC6 international conference on Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communication Systems
Year:
2005

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Abstract

In real-time Internet based teleoperation systems, the operator controls the robot and receives feedback through the Internet. Supermedia refers to robotic control commands, video, audio, haptic feedback, and other sensory information in the control system. Traditional transport services may not be able to meet the timely transmission requirements and dynamic priority changes of supermedia streams. Supermedia TRansport for teleoperations over Overlay Networks (STRON) uses multiple disjoint paths and forward error correction encodings to reduce end-to-end latency for supermedia streams. Network routes and encoding redundancy may be adjusted dynamically to meet the supermedia QoS requirements. NS2 simulations and evaluations using available bandwidth traces from globally distributed computing nodes show that STRON can significantly reduce latency compared with available transport services.