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Observations on the dynamics of a congestion control algorithm

Lixia Zhang, Scott Shenker, Daivd D. Clark
1991 Computer communication review  
We use simulation to study the dynamics of the congestion cent rol algorithm embedded in the BSD 4.3-Tahoe TCP implementation.  ...  In this paper we investigate the dynamics that results from two-way traffic (in which there are data sources on both hosts).  ...  Two-way traffic exhibits several of the same phenomena that we found in one-way traffic.  ... 
doi:10.1145/115994.116006 fatcat:uyyx2zquyna43plqdlesl6hlva

Observations on the dynamics of a congestion control algorithm

Lixia Zhang, Scott Shenker, Daivd D. Clark
1991 Proceedings of the conference on Communications architecture & protocols - SIGCOMM '91  
We use simulation to study the dynamics of the congestion cent rol algorithm embedded in the BSD 4.3-Tahoe TCP implementation.  ...  In this paper we investigate the dynamics that results from two-way traffic (in which there are data sources on both hosts).  ...  Two-way traffic exhibits several of the same phenomena that we found in one-way traffic.  ... 
doi:10.1145/115992.116006 dblp:conf/sigcomm/ZhangSC91 fatcat:f56dhftpl5f3tbfac4i3yet2wy

Some observations on the dynamics of a congestion control algorithm

Scott Schenker, Lixia Zhang, David D. Clark
1990 Computer communication review  
As a way of exploring the cause of thes e phenomena, we discuss how the behavior is altered b y modifications to the congestion control algorithm an d to the switch queue control algorithm .  ...  We use simulation to make some observations about th e behavior of the congestion control algorithm currently embedded in the 4 .3-Tahoe BSD TCP implementation .  ...  We would also like to thank Abhiji t Khale for his help in producing the graphs used in thi s paper .  ... 
doi:10.1145/381906.381931 fatcat:qq4fauccyzcdpjg5gp263wczci

Dynamic Traffic Simulation For Traffic Congestion Problem Using An Enhanced Algorithm

Wong Poh Lee, Mohd. Azam Osman, Abdullah Zawawi Talib, Ahmad Izani Md. Ismail
2008 Zenodo  
This paper also describes the development of a dynamic traffic simulation tool which is used as a scenario planning and to forecast traffic congestion level in a certain time based on defined parameter  ...  Traffic congestion has become a major problem in many countries. One of the main causes of traffic congestion is due to road merges. Vehicles tend to move slower when they reach the merging point.  ...  efficient way of reducing traffic congestion at a road merge based on the enhanced algorithm.  ... 
doi:10.5281/zenodo.1073546 fatcat:au6kjektw5dnpk7bu6e6u4kmpe

Proposing a Load Balancing Algorithm with the Help of an Endpoint Admission Control Algorithm to Improve Traffic Engineering

Zahra Vali, Massoud Reza, Neda Moghim
2012 International Journal of Soft Computing and Software Engineering [JSCSE]  
The focus of this paper is to achieve a dynamic load balancing algorithm with the ability of guaranteeing the end-to-end quality of service (QoS) for a variety of service classes.  ...  Information in the probing phase of EEAC algorithm such as buffer length and arrival traffic rate for each class of service is used to obtain a good estimation of network congestion state for efficient  ...  On the other hand, if k is smaller than the lower allowable threshold then the effect of current observations is more than the effect of previous observations; therefore averaging equations cannot filter  ... 
doi:10.7321/jscse.v2.n6.4 fatcat:nilg47wvyrhz5c3dorxoqclkau

Network Coding Based Algorithm for WMN Scenario

Sehrish Shoaib, Muhammad Younus Javed
2015 International Journal of Future Computer and Communication  
A performance issue observed in WMNs is accumulation of data around the gateway nodes causing congestion and a degradation of output of the network.  ...  Potentially, WMNs can support the principal of communication anytime, anywhere, in a timely, cost-effective way [8] .  ...  Similarly the congestion control solutions for centralized wireless networks cannot be applied due to the dynamic nature and distributed access control requirement in WMNs.  ... 
doi:10.7763/ijfcc.2015.v4.350 fatcat:hh342m5ftng7xg7ffljhqneede

Softpressure: A Schedule-Driven Backpressure Algorithm for Coping with Network Congestion [article]

Hsu-Chieh Hu, Stephen F. Smith
2019 arXiv   pre-print
Two distinct approaches to this problem have emerged from respective work in queuing theory and dynamic scheduling: the backpressure algorithm and schedule-driven control.  ...  We then demonstrate how this hybrid method outperforms the other two in a real-time traffic signal control problem, where the nodes are traffic lights, the links are roads, and the jobs are vehicles.  ...  Acknowledgements This research was funded in part by the University Transportation Center on Technologies for Safe and Efficient Transportation at Carnegie Mellon University and the CMU Robotics Institute  ... 
arXiv:1903.02589v1 fatcat:e7h762apvrhnrd3wg5evmsx644

FAST TCP: Motivation, Architecture, Algorithms, Performance

David X. Wei, Cheng Jin, Steven H. Low, Sanjay Hegde
2006 IEEE/ACM Transactions on Networking  
We describe FAST TCP, a new TCP congestion control algorithm for high-speed long-latency networks, from design to implementation.  ...  We describe the architecture and summarize some of the algorithms implemented in our prototype. We characterize its equilibrium and stability properties.  ...  To eliminate possible simulation artifacts, such as phase effect, we introduced two-way noise traffic in the simulation, where a certain number of Pareto on-off flows with shape parameter 1.5 were introduced  ... 
doi:10.1109/tnet.2006.886335 fatcat:44kv2mbwqbhetbgjb2clf6pzcq

Dynamic behavior of slowly-responsive congestion control algorithms

Deepak Bansal, Hari Balakrishnan, Sally Floyd, Scott Shenker
2001 Computer communication review  
The recently developed notion of TCP-compatibility has led to a number of proposals for alternative congestion control algorithms whose long-term throughput as a function of a steady-state loss rate is  ...  This paper investigates the behavior of slowly-responsive, TCPcompatible congestion control algorithms under more realistic dynamic network conditions, addressing the fundamental question of whether these  ...  We now consider the effect of SlowCC algorithms on transient fairness under dynamic conditions.  ... 
doi:10.1145/964723.383080 fatcat:22xhnmbf4re4zjbcoofecbipvi

Dynamic behavior of slowly-responsive congestion control algorithms

Deepak Bansal, Hari Balakrishnan, Sally Floyd, Scott Shenker
2001 Proceedings of the 2001 conference on Applications, technologies, architectures, and protocols for computer communications - SIGCOMM '01  
The recently developed notion of TCP-compatibility has led to a number of proposals for alternative congestion control algorithms whose long-term throughput as a function of a steady-state loss rate is  ...  This paper investigates the behavior of slowly-responsive, TCPcompatible congestion control algorithms under more realistic dynamic network conditions, addressing the fundamental question of whether these  ...  We now consider the effect of SlowCC algorithms on transient fairness under dynamic conditions.  ... 
doi:10.1145/383059.383080 dblp:conf/sigcomm/BansalBFS01 fatcat:dqigtqpt5ja5tfyh65l4f2lhwq

A Traffic Light Dynamic Control Algorithm with Deep Reinforcement Learning Based on GNN Prediction [article]

Xiaorong Hu, Chenguang Zhao, Gang Wang
2020 arXiv   pre-print
Experiments on both synthetic and two real-world data-sets of Hangzhou and New-York verify the effectiveness and rationality of the GPlight algorithm.  ...  Then, the results of traffic flow prediction are used in traffic light control, and the agent combines the predicted results with the observed current traffic conditions to dynamically control the phase  ...  After that, the prediction information and the real-time observation are used in the traffic light control using DQN algorithm.  ... 
arXiv:2009.14627v1 fatcat:esvjmxbxxjhpff6nx5kxlmkihq

A Taxonomy for Congestion Control Algorithms in Vehicular Ad Hoc Networks [article]

Mohammad Reza Jabbarpour Sattari, Rafidah Md Noor, Hassan Keshavarz
2012 arXiv   pre-print
On the other hand, to guarantee the reliability and timely delivery of event-driven messages, having a congestion free control channel is a necessity.  ...  Finally, we have found the criteria in which fulfill prerequisite of a good congestion control algorithm.  ...  As a result, we are able to say, one of the best congestion control algorithms for VANETs is a proactive algorithm, which uses transmission power and packet generation rate control at the same time, based  ... 
arXiv:1207.3943v1 fatcat:ofz2mphuerbddk3uwxodov4yqa

A Coverage Based Decentralised Routing Algorithm for Vehicular Traffic Networks [article]

Timothy Barker, Chao Zhai, Mario di Bernardo
2015 arXiv   pre-print
We present a simple yet effective routing strategy inspired by coverage control, which delays the onset of congestion on traffic networks, by introducing a control parameter.  ...  Numerical verification of the strategy is provided on a number of representative examples in SUMO, a well known micro agent simulator used for the analysis of traffic networks.  ...  Simon Box of the University of Southampton, who has provided expertise on studying problems in the domain of traffic research, and advice on how to utilise the SUMO API (TraCI).  ... 
arXiv:1508.03583v1 fatcat:q2lwhu6nfbaebm7vb4iseol7zq

Traffic-Congestion Forecasting Algorithm Based on Pheromone Communication Model [chapter]

Satoshi Kurihara
2013 Ant Colony Optimization - Techniques and Applications  
We also plan to develop a new traffic-light-control algorithm based on a MAS.  ...  We focused on two important car-flow dynamics to investigate traffic congestion (see Fig. 4 ).  ... 
doi:10.5772/52563 fatcat:idqgkrh3tjbqhjoobl5mcorb5u

Application of Angle Related Cost Function Optimization for Dynamic Path Planning Algorithm

Mingbin Zeng, Xu Yang, Mengxing Wang, Bangjiang Xu
2018 Algorithms  
We use the real road network and real-time traffic flow data of Karamay city to simulate the effect of our algorithm.  ...  Our contributions are, firstly, to enhance the effective of loading mechanism for road maps by dividing the connected sub-net, and building a spatial index; and secondly, to enhance the effect of the dynamic  ...  The founding sponsors had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, and in the decision to publish the results.  ... 
doi:10.3390/a11080127 fatcat:jgfyokdydbc6deuztt2zamju5a
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