Title
Improved Utility-Based Congestion Control for Delay-Constrained Communication
Abstract
Due to the presence of buffers in the inner network nodes, each congestion event leads to buffer queueing and thus to an increasing end-to-end delay. In the case of delay sensitive applications, a large delay might not be acceptable and a solution to properly manage congestion events while maintaining a low end-to-end delay is required. Delay-based congestion algorithms are a viable solution as they target to limit the experienced end-to-end delay. Unfortunately, they do not perform well when sharing the bandwidth with congestion control algorithms not regulated by delay constraints (e.g., loss-based algorithms). Our target is to fill this gap, proposing a novel congestion control algorithm for delay-constrained communication over best effort packet switched networks. The proposed algorithm is able to maintain a bounded queueing delay when competing with other delay-based flows, and avoid starvation when competing with loss-based flows. We adopt the well-known price-based distributed mechanism as congestion control, but: 1) we introduce a novel non-linear mapping between the experienced delay and the price function and 2) we combine both delay and loss information into a single price term based on packet interarrival measurements. We then provide a stability analysis for our novel algorithm and we show its performance in the simulation results carried out in the NS3 framework. Simulation results demonstrate that the proposed algorithm is able to: achieve good intra-protocol fairness properties, control efficiently the end-to-end delay, and finally, protect the flow from starvation when other flows cause the queuing delay to grow excessively.
Year
DOI
Venue
2017
10.1109/TNET.2016.2587579
IEEE/ACM Transactions on Networking (TON)
Keywords
DocType
Volume
Delays,Internet,Simulation,IEEE transactions,Loss measurement,Propagation delay,Receivers
Journal
25
Issue
ISSN
Citations 
1
1063-6692
0
PageRank 
References 
Authors
0.34
0
5
Name
Order
Citations
PageRank
Stefano D’Aronco121.72
Laura Toni218615.22
Sergio Mena3655.79
Xiaoqing Zhu450234.70
Pascal Frossard53015230.41