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Research the Problem of Bulk Data Transfers Based on End-systems’ Constraint in Ultra-high-speed Networks

Author: GaoXiang
Tutor: GuoZuo
School: Shanghai Jiaotong University
Course: Electronics and Communication Engineering
Keywords: optical network ultra-high-speed network end-systems’constraint bulk data transfer network protocol scheduling algorithm
CLC: TN919.3
Type: Master's thesis
Year: 2012
Downloads: 487
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Abstract


With the development of networks, the reliability of data transfer and the transfer bandwidth are much higher, and the problem of the bulk data transfers is an important research area of network technologies. In this paper, for bulk data transfers problem based on end-systems’constraint in ultra-high-speed networks, we give a transport protocol and tools named SSUDP based on UDP. Then we give a novel algorithm for bulk data transfer task scheduling with bandwidth detection based on end-systems’constraint. At last we design a task scheduler model based on end-systems’constraint for bulk data transfer and study its feasibility and performance through experiment. For bulk data transfers, as the significant network technologies, optical networks are able to provide the huge bandwidth and the high reliability for long distance networks such as backbone networks. Today, there are many bulk data transfer requirements in large-scale applications, such as distributed computing, super computer, grid computing and data centers. Optical networks can offer end-to-end dedicated connection with high-capacity bandwidth for these applications. With the improvement of the transfer bandwidth, network speed has exceeded the end-systems’processing ability, and end-systems often become the bottleneck of bulk data transfer in ultra-high-speed network, but there are not many research for bulk data transfers based on end-systems’constraint. For the transfer protocol, some research gave methods for congestion detection and flow control based on end-systems’constraint for bulk data transfer. But for the reason of the complex status of end-systems, these solutions have some problems. For the bulk data transfer scheduling algorithm, researchers focus on the optimization of network resource while consider less in the end-systems’constraint.Based on the above problems, this paper presents the study of bulk data transfers problem based on end-systems’constraint both on transport protocol and task scheduling algorithm. For transport protocol, with the analysis of data transfer and factors of end-systems’constraint, we discuss the existed research of data transfer problem based on end-systems’constraint and give an integrated protocol and tools named SSUDP to solve the problem. For task scheduling algorithm, we propose a novel algorithm for bulk data transfer scheduling with bandwidth detection based on end-systems’constraint and study its performance through simulation. For practical applications, we design the task scheduler model for bulk data transfer based on end-systems’constraint, and develop a test bed to study and confirm its feasibility and effectiveness. It is very meaningful to study the bulk data transfer problem based on end-systems’constraint for improving the networks resource utilization and reliability.

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