F-TCP : light-weight TCP for file transfer in high bandwidth-delay product networks = 대역폭과 지연이 큰 네트워크에서 파일 전송을 위한 전송계층 프로토콜 light-weight TCP for file transfer in high bandwidth-delay product networks

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We describe F-TCP, a new TCP for file transfer in high bandwidth-delay product networks. TCP is not suitable for file transfer application in high bandwidth-delay product networks. That is, a protocol should not take away too much bandwidth from standard TCP flows while utilizing the full bandwidth of high-speed networks. This paper presents another important constraint, namely small buffer problems. Small socket buffers at the end-hosts limit the effective window of the transfer, and thus the maximum throughput. Existing schemes have a severe small buffer problems because high bandwidth-delay product networks need a large socket buffer. The proposed mechanism, called F-TCP, is based on direct kernel-to-kernel file transfer architecture. The key idea is that no need of in-order delivery in file transfer process. F-TCP needs only small buffer by allowing out-of-order file transfer with asynchronous loss recovery. Experimental results in several high bandwidth-delay product paths show that F-TCP provides consistently a significant throughput increase (18% to 80%) compared to previous TCP approach. We expect that F-TCP will be mostly useful for application such as FTP and P2P in high-speed wide-area networks.
Advisors
Park, Dae-Yeonresearcher박대연researcher
Description
한국과학기술원 : 전기및전자공학전공,
Publisher
한국과학기술원
Issue Date
2005
Identifier
243780/325007  / 020033626
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 전기및전자공학전공, 2005.2, [ vii, 31 p. ]

Keywords

TCP; file-transfer; 파일전송; 전송계층 프로토콜; high-bdp-network

URI
http://hdl.handle.net/10203/37891
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=243780&flag=dissertation
Appears in Collection
EE-Theses_Master(석사논문)
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