Please use this identifier to cite or link to this item:
Title: Effort/gains dynamics in heterogeneous networks
Authors: Mamatas, Lefteris
Tsaoussidis, Vassilis
Type: Article
Subjects: FRASCATI::Engineering and technology
FRASCATI::Engineering and technology::Other engineering and technologies
Keywords: congestion control
transport layer
energy efficiency
Issue Date: 2008
Source: International Journal of Communication Systems
Volume: 21
Issue: 4
First Page: 361
Last Page: 382
Abstract: We investigate the behaviour of TCP(α, β) protocols in the presence of wireless networks. We seek an answer to strategic issues of maximizing energy and bandwidth exploitation, without damaging the dynamics of multiple-flow equilibrium. We take a fresh perspective on protocol design: What is the return of the effort that a protocol expends? Can we achieve more gains with less effort? We study first the design assumptions of TCP(α, β) protocols and discuss the impact of equation-based modulation of α and β on protocol efficiency. We introduce two new measures to capture protocol behaviour: the ‘Extra Energy Expenditure’ and the ‘Unexploited Available Resource Index’. We confirm experimentally that, in general, smoothness and responsiveness constitute a tradeoff; however, we show that this tradeoff does not graft its dynamics into a conservative/aggressive behaviour, as it is traditionally believed. We uncover patterns of unjustified tactics; our results suggest that an adaptive congestion control algorithm is needed to integrate the dynamics of heterogeneous networks into protocol behaviour.
ISSN: 1074-5351
Other Identifiers: 10.1002/dac.894
Appears in Collections:Department of Applied Informatics

Files in This Item:
File Description SizeFormat 
ijcs2007.pdf1,1 MBAdobe PDFView/Open

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.