Multi-layer security analysis and experimentation of high speed protocol data transfer for GRID

Inder Science Publisher
Publication Type:
Journal Article
International Journal Grid and Utility Computing Vol X No X 20XX, 2012, 3 (2/3), pp. 81 - 88
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GRID computing infrastructures and applications coordinate uncontrolled and decentralised resources; using new fast data transfer protocols deliver and provide high data transmission that can meet high performance computing requirements of users, institutions, and industries. For such environments standard transport protocols such as TCP and UDP are not always sufficient given their fixed set of properties and limited flexibility. Today, TCP protocol variants have demonstrated better performance in either GRID simulations or WAN and in some limited network experiments. However, practical use in real applications of these protocols is still very limited because of the implementation and installation difficulties. On the other hand, users who need to transfer bulk data (e.g., in grid/cloud computing) usually turn to application level solutions where these variants do not fair well. Among protocols considered in the application level solutions are UDP-based protocols, such as UDT (UDP-based Data Transport Protocol).UDT is considered one of the most recently developed new transport protocols with congestion control algorithms. It was developed to support next generation high-speed networks, GRID, and including wide area optical networks. We surveyed and conducted experiments on existing mechanisms to determine their viability to secure UDT. The results of the experiments provide important dimensions to our aim of developing a comprehensive security architecture for UDT in the future.
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