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Open issues on TCP for mobile computing

delete2001-12-05
delete42
PRE
AI
V
Vassilis Tsaoussidis
I
Ibrahim Matta
DOI：10.1002/wcm.30delete
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Abstract

Abstract

En 中文
We discuss the design principles of TCP within the context of heterogeneous wired/wireless networks and mobile networking. We identify three shortcomings in TCP's behavior: (i) the protocol's error detection mechanism, which does not distinguish different types of errors and thus does not suffice for heterogeneous wired/wireless environments, (ii) the error recovery, which is not responsive to the distinctive characteristics of wireless networks such as transient or burst errors due to handoffs and fading channels, and (iii) the protocol strategy, which does not control the tradeoff between performance measures such as goodput and energy consumption, and often entails wasteful effort of retransmission and energy expenditure. We discuss a solution-frame work on selected research proposals and the associated evaluation criteria for the suggested modifications. We highlight an important angle that did not attract the required attention so far: the need for new performance metrics. appropriate for evaluating the impact of protocol strategies on battery-powered devices. Copyright (C) 2001 John Wiley Sons,
Keywords:
TCP
congestion control
wireless links
mobile computing
energy efficiency
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Journal

Wireless Personal Communications cover
Wireless Personal Communications
IF:
2.2
Papers:
739
Citations:
1.2W

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No organization information available