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3TP: AN APPLICATION-LAYER PROTOCOL FOR STREAMING 3-D GRAPHICS Ghassan Al-Regib and Yucel Altunbasak
 

Summary: 3TP: AN APPLICATION-LAYER PROTOCOL FOR STREAMING 3-D GRAPHICS
Ghassan Al-Regib and Yucel Altunbasak
Center for Signal and Image Processing
Georgia Institute of Technology
Atlanta, GA 30332-0250
E-mail:{gregib,yucel}@ece.gatech.edu
ABSTRACT
This paper addresses the problem of streaming progressively com-
pressed 3-D models over lossy networks. Out of all encoded pack-
ets that can be transmitted, we intelligently choose a subset of
packets to be transmitted using TCP in order to meet a distortion
constraint, while transmitting the remaining packets using UDP to
minimize the end-to-end delay. We call this new application-layer
protocol 3TP (3-D models transport protocol). Experimental re-
sults show savings of 42% and 68% in delay time at packet-loss
rates of 6% and 19%, respectively, compared to systems that do
not optimize transmission according to the encoded bitstream con-
tent.
1. INTRODUCTION
An increasing number of Internet applications utilize highly de-

  

Source: Altunbasak, Yucel - School of Electrical and Computer Engineering, Georgia Institute of Technology

 

Collections: Engineering