Efficient Transport Protocol for Networked Haptics Applications

Authors:
Raul Wirz;Manuel Ferre;Raul Marín;Jorge Barrio;José M. Claver;Javier Ortego
Affiliations:
Computer Engineering and Science, University Jaume I, Castellon, Spain;Automatics, Electronics Engineering and Industrial Computers Deparment, Universidad Politécnica de Madrid, Madrid, Spain;Computer Engineering and Science, University Jaume I, Castellon, Spain;Automatics, Electronics Engineering and Industrial Computers Deparment, Universidad Politécnica de Madrid, Madrid, Spain;Computer Science Department, University of Valencia, Valencia, Spain;Automatics, Electronics Engineering and Industrial Computers Deparment, Universidad Politécnica de Madrid, Madrid, Spain
Venue:
EuroHaptics '08 Proceedings of the 6th international conference on Haptics: Perception, Devices and Scenarios
Year:
2008

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Abstract

The performance of haptic application is highly sensitive to communication delays and losses of data. It implies several constraints in developing networked haptic applications. This paper describes a new internet protocol called Efficient Transport Protocol (ETP), which aims at developing distributed interactive applications. TCP and UDP are transport protocols commonly used in any kind of networked communication, but they are not focused on real time application. This new protocol is focused on reducing roundtrip time (RTT) and interpacket gap (IPG). ETP is, therefore, optimized for interactive applications which are based on processes that are continuously exchanging data. ETP protocol is based on a state machine that decides the best strategies for optimizing RTT and IPG. Experiments have been carried out in order to compare this new protocol and UDP.