Video Data Transmission Protocol "SVFTP" Using Multiple TCP Connections and Its Application

Shigeyuki SAKAZAWA  Yasuhiro TAKISHIMA  Yoshinori KITATSUJI  Yasuyuki NAKAJIMA  Masahiro WADA  Kazuo HASHIMOTO  

IEICE TRANSACTIONS on Information and Systems   Vol.E88-D   No.5   pp.976-983
Publication Date: 2005/05/01
Online ISSN: 
DOI: 10.1093/ietisy/e88-d.5.976
Print ISSN: 0916-8532
Type of Manuscript: PAPER
Category: Networks
video transmission,  multiple TCP transmission,  progressive download/play back,  IPv6,  

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This paper presents a novel data transmission protocol "SVFTP," which enables high-speed and error-free video data transmission over IP networks. A video transmission system based on SVFTP is also presented. While conventional protocols are designed for file transmission, SVFTP focuses on video data as a continuous media. In order to fit a flexible video transmission system, SVFTP achieves higher throughput on the long distance link as well as transmission interruption/resumption and progressive download and play back. In addition, a rate shaping mechanism for SVFTP is introduced in order to control greediness and burst traffic of multiple-TCP sessions. Laboratory and field transmission experiments show that SVFTP achieves high performance and functionality.