Design, implementation and evaluation of RWTP-Gateway for FTP based data transfer
Abstract: The trend of video processing is increasing towards a digital arena and making use ofdistributions over the internet. Hence, movies in the near future will be more digitialand highly detailed. The new technology that is being used today is called as the 4Ktechnology, where 4K refers to the high resolution of the movie which is 4096x2160pixels. This resolution gives a more detailed image than what can be seen on commonlyavailable HD-TVs, plasmas, computer screens or digital projection systems. This highresolution implies that a huge amount of data would be processed when transferred overthe Internet, which in turn requires considerably large data rate, around 2.5 Gbps, inthe presence of delay and packet loss. The Internet reliable transport protocol TCPcannot handle such data rate due to its limitations when considering its congestioncontrol mechanism. This is where a Reliable WAN (Wide Area Network) TransportProtocol (RWTP), developed by the company Deutsche THOMSON OHG", plays itsrole. RWTP has been shown to have the capability to transfer data at a rate of 5 Gbpsover WAN even in the presence of delay and packet loss. Though, it lacks the ability toperform collaborative tasks with most commonly available applications like File TransferProtocol (FTP). In this thesis work a proxy mechanism is implemented to make RWTPperform these collaborative tasks with one of the most commonly used applications; i.e.FTP in this case. An implementation scenario is completed in C++ and tested on 1Gbps Ethernet network with 1 Gbps switches, 10 Gbps network routers and 10 Gbpsnetwork emulator to emulate delay and packet losses. Using 4K digital technology with5000 frames where each frame is 50 MBytes gives a total of 250 GBytes data. Theresult of thesis work show that this amount of data can be transferred from Hannover,Germany to Los Angeles, United States in 42 minutes using RWTP-Gateway with FTP.On the other hand, with a direct FTP connection using TCP it takes 37 hours, butonly 28 hours with a proxy-based FTP connection using TCP. Hence, RWTP-Gatewaywith FTP gives a significant reduction in transmission time by providing high speeddata transfer with a factor of 50 in comparison with a direct FTP connection and witha factor of 40 in comparison with proxy-based FTP connection using TCP.
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