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Multipath TCP: - Great Appeal For Telecommunications Providers

Author(s):

Mamta kumari , B.I.T.s. Bhiwani

Keywords:

MPTCP, TCP, ACK

Abstract

Networks have become multipath: mobile devices have multiple radio interfaces, datacenters have redundant paths and multihoming is the norm for big server farms. Mean-while, TCP is still only single-path.Is it possible to extend TCP to enable it to support multiple paths for current applications on today’s Inter-net? The answer is positive. We carefully review the constraints—partly due to various types of middleboxes— that influenced the design of Multipath TCP and show how we handled them to achieve its deployability goals. We report our experience in implementing Multipath TCP in the Linux kernel and we evaluate its performance. Our measurements focus on the algorithms needed to ef-ficiently use paths with different characteristics, notably send and receive buffer tuning and segment reordering. We also compare the performance of our implementa-tion with regular TCP on web servers. Finally, we dis-cuss the lessons learned from designing MPTCP.

Other Details

Paper ID: IJSRDV3I40542
Published in: Volume : 3, Issue : 4
Publication Date: 01/07/2015
Page(s): 864-869

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