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LBMP: A Logarithm-Barrier-Based Multipath Protocol for Internet Traffic Management
March 2011 (vol. 22 no. 3)
pp. 476-488
ASCII Text
x 
 
Ke Xu, Hongying Liu, Jiangchuan Liu, Jixiu Zhang, "LBMP: A Logarithm-Barrier-Based Multipath Protocol for Internet Traffic Management," IEEE Transactions on Parallel and Distributed Systems, vol. 22, no. 3, pp. 476-488, March, 2011.
 
 
BibTex
x
 
@article{ 10.1109/TPDS.2010.95,
author = {Ke Xu and Hongying Liu and Jiangchuan Liu and Jixiu Zhang},
title = {LBMP: A Logarithm-Barrier-Based Multipath Protocol for Internet Traffic Management},
journal ={IEEE Transactions on Parallel and Distributed Systems},
volume = {22},
number = {3},
issn = {1045-9219},
year = {2011},
pages = {476-488},
doi = {http://doi.ieeecomputersociety.org/10.1109/TPDS.2010.95},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
x 
 
TY - JOUR
JO - IEEE Transactions on Parallel and Distributed Systems
TI - LBMP: A Logarithm-Barrier-Based Multipath Protocol for Internet Traffic Management
IS - 3
SN - 1045-9219
SP476
EP488
EPD - 476-488
A1 - Ke Xu,
A1 - Hongying Liu,
A1 - Jiangchuan Liu,
A1 - Jixiu Zhang,
PY - 2011
KW - Traffic management
KW - network utility maximization
KW - multipath routing
KW - logarithm barrier.
VL - 22
JA - IEEE Transactions on Parallel and Distributed Systems
ER -
 
Ke Xu, Tsinghua University, Beijing
Hongying Liu, Beijing University of Aeronautics and Astronautics, Beijing
Jiangchuan Liu, Simon Fraser University, Burnaby
Jixiu Zhang, Peking University, Beijing
Traffic management is the adaptation of source rates and routing to efficiently utilize network resources. Recently, the complicated interactions between different Internet traffic management modules have been elegantly modeled by distributed primal-dual utility maximization, which sheds new light for developing effective management protocols. For single-path routing with given routes, the dual is a strictly concave network optimization problem. Unfortunately, the general form of multipath utility optimization is not strictly concave, making its solution quite unstable. Decomposition-based techniques like TRaffic-management Using Multipath Protocol (TRUMP) alleviates the instability, but their convergence is not guaranteed, nor is their optimality. They are also inflexible in differentiating the control at different links. In this paper, we address the above issues through a novel logarithm-barrier-based approach. Our approach jointly considers user utility and routing/congestion control. It translates the multipath utility maximization into a sequence of unconstrained optimization problems, with infinite logarithm barriers being deployed at the constraint boundary. We demonstrate that setting up barriers is much simpler than choosing traditional cost functions and, more importantly, it makes optimal solution achievable. We further demonstrate a distributed implementation, together with the design of a practical Logarithm Barrier-based-Multipath Protocol (LBMP). We evaluate the performance of LBMP through both numerical analysis and packet-level simulations. The results show that LBMP achieves high throughput and fast convergence over diverse representative network topologies. Such performance is comparable to TRUMP, and is often better. Moreover, LBMP is flexible in differentiating the control at different links, and its optimality and convergence are theoretically guaranteed.

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Index Terms:
Traffic management, network utility maximization, multipath routing, logarithm barrier.
Citation:
Ke Xu, Hongying Liu, Jiangchuan Liu, Jixiu Zhang, "LBMP: A Logarithm-Barrier-Based Multipath Protocol for Internet Traffic Management," IEEE Transactions on Parallel and Distributed Systems, vol. 22, no. 3, pp. 476-488, March 2011, doi:10.1109/TPDS.2010.95
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