Print Email Facebook Twitter A Dynamic Multipath File Transfer Engine for Software-Defined Networking Title A Dynamic Multipath File Transfer Engine for Software-Defined Networking Author Huang, Yuchen (TU Delft Electrical Engineering, Mathematics and Computer Science) Contributor Kuipers, F.A. (mentor) Degree granting institution Delft University of Technology Programme Electrical Engineering | Embedded Systems Date 2018-11-16 Abstract With the fast development of the internet, it is widely expected that data traffic will grow exponentially. To fulfill the internet users’ demand of Quality of Experience (QoE), the way we deal with “the tsunami of data” becomes a big problem. How to transfer data, especially those very big files, as fast as possible can be a very important part of that problem. One promising solution could be using multiple paths instead of a single path transmission. Different conditions on different paths make it difficult to handle multipath transmission well. However, Software-Defined Networking (SDN), a centralized network model, provides new solutions to make multipath transmission possible. In a SDN network, the network status can be monitored. With such monitoring information, an optimal multipath solution can be found to transfer a file as fast as possible. In this thesis, the optimal multipath transmission problem is studied. The objective is to minimize file transfer time between two end systems in a given SDN network. First, we model this as a linear programming problem on a time-expanded network. The time-expanded network used makes that the complexity of this solution is pseudo-polynomial. From this solution, we are able to derive a Fully Polynomial-Time Approximation Scheme (FPTAS) where we can accurately control the speed versus accuracy tradeoff. Lastly, we have build an SDN-based proof-of-concept implementation through which we have evaluated our two algorithms. To reference this document use: http://resolver.tudelft.nl/uuid:fc9a9240-166d-4b90-99dc-98ebb925a4b6 Part of collection Student theses Document type master thesis Rights © 2018 Yuchen Huang Files PDF HuangYuchen.pdf 3.57 MB Close viewer /islandora/object/uuid:fc9a9240-166d-4b90-99dc-98ebb925a4b6/datastream/OBJ/view