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TCP behavior in networks with dynamic propagation delay

M. Allman, J. Griner
Globecom '00 - IEEE. Global Telecommunications Conference. Conference Record (Cat. No.00CH37137)  
This paper provides a preliminary investigation into the impact a link with changing propagation delay has on the performance of TCP file transfers.  ...  We conclude that the variable delay network paths studied in this paper do not drastically impact TCP performance.  ...  INTRODUCTION In this paper we investigate the effects of network links with propagation delays that change over time on the performance of the Transmission Control Protocol (TCP) [1] .  ... 
doi:10.1109/glocom.2000.891308 dblp:conf/globecom/AllmanG00 fatcat:5eulexjjcvdwdjnedogihosyka

Steady state and transient state behaviours analyses of TCP connections considering interactions between TCP connections and network

Hiroyuki Hisamatsu, Hiroyuki Ohsaki, Masayuki Murata
2005 International Journal of Communication Systems  
We then analyze the transient state behavior using a control theoretic approach, showing the influence of the number of TCP connections and the propagation delay on the transient state behavior of TCP.  ...  Most of those studies have focused on the statistical behavior of TCP by assuming a constant packet loss probability in the network.  ...  Figure 7 : 7 Transient state behavior of TCP for different amount of background traffic. Figure 8 : 8 Transient state behavior of TCP for different propagation delay of bottleneck link.  ... 
doi:10.1002/dac.723 fatcat:pbctwlezr5dzrklacvxzfdpi4a

On the fairness characteristics of FAST TCP

Tuan A. Trinh, Balázs Sonkoly, Sándor Molnár
2009 Annales des télécommunications  
We demonstrate that FAST TCP with proper parameter settings can always achieve fair behavior with HighSpeed TCP and Scalable TCP.  ...  The dynamic behavior of reaching the fair equilibrium state can be different, which is demonstrated in the paper.  ...  However, this can yield unstable network behavior with degraded link utilization. Conclusion In this paper, we revisited FAST TCP, a delay-based TCP version proposed for next-generation networks.  ... 
doi:10.1007/s12243-009-0145-7 fatcat:wf6ab3dob5hondhsce6meyayba

Hybrid Control of Bifurcation and Chaos in Dynamic Model of Compound TCP under RED

Mengya Geng, Dawei Ding, Han Wang, Jinyang Huang, Jingwei w, Haiyan Wang
2016 International Journal of Computer and Communication Engineering  
Compound TCP(CTCP) is a practical congestion control algorithm for high-speed and long delay networks.  ...  First, we briefly analyze the nonlinear dynamics of the CTCP network with respect to system parameters.  ...  Number of Connections Unlike the parameter studied above, the number of TCP connections N and the propagation delay of the networks cannot be controlled by a network manager.  ... 
doi:10.17706/ijcce.2016.5.3.186-195 fatcat:tcgd6qz5q5gklnym7jaaed7knq

Stability Analysis of Internet Congestion Control Model with Compound TCP Under RED

Dawei Ding, Xiaoyun Zhang, Dong Xue
2015 Open Automation and Control Systems Journal  
Many applications require fast data transfer over high speed and long distance networks. Compound TCP (CTCP) is a novel congestion control algorithm for high-speed and long delay networks.  ...  This paper develops a discrete time dynamic feedback model of a congestion control system with CTCP under random early detection (RED).  ...  Propagation Delay Similarly, the bifurcation diagram is plotted in Fig. (6) with respect to round trip propagation delay. The propagation delay d is varied from 0.08s to 0.13s.  ... 
doi:10.2174/1874444301507011986 fatcat:ijmo6q3mrrculdw76xm2vkxzv4

TCP-AP Enhanced Behaviour With rt-Winf And Node Count: boosted-TCP-AP

Luis Barreto
2015 Network Protocols and Algorithms  
<p>Congestion control in wireless networks is strongly dependent on the dynamics and instability of wireless links.  ...  In this paper we propose new congestion control protocol for wireless networks, based in TCP-AP. We name the protocol boosted-TCP-AP.  ...  TCP-AP used a four hop propagation delay for its functioning that in high mobility networks is not very accurate.  ... 
doi:10.5296/npa.v7i2.7677 fatcat:4bmutcfa3ndbtavzckrucj5oya

Performance Improvement on the Robustness of TCP/Active Queue Management with ECN

V. Santhi, A.M. Natarajan
2010 International Journal of Engineering and Technology  
It has been shown that the transmission control protocol (TCP) connections through the congested routers can be modeled as a feedback dynamic system.  ...  In this paper, a new framework of AQM, namely Variable Structure (VS) based control scheme to handle delays in active queue management algorithm supporting explicit congestion notification (ECN), is proposed  ...  In the dynamic TCP networks, queue size will be changed dynamically. Because of time delays in the network incoming traffic rate r(t) will be decreased and round trip time R(t) will be increased.  ... 
doi:10.7763/ijet.2010.v2.134 fatcat:ialyfft6ejd73juyjo5pk4zz2m

Generalized window advertising for TCP congestion control

Mario Gerla, Renato Lo Cigno, Saverio Mascolo, Wenjie Weng
2002 Transactions on Emerging Telecommunications Technologies  
GWA-TCP is compared with traditional TCP, TCP with RED and also ECN using the ns-2 simulator. Results show that in most cases GWA-TCP outperforms the traditional schemes.  ...  In particular, when compared with ECN, it provides smoother network operation and increased fairness.  ...  WAN ENVIRONMENT Wide Area Network (WAN) behavior is influenced, if not dominated, by propagation delay.  ... 
doi:10.1002/ett.4460130602 fatcat:ulo7spprp5dn3adrkkbeojva7i

Adaptive active queue management controller for TCP communication networks using PSO-RBF models

Mansour Sheikhan, Reza Shahnazi, Ehsan Hemmati
2012 Neural computing & applications (Print)  
Radial bias function (RBF)-based AQM controller is proposed in this paper. RBF controller is suitable as an AQM scheme to control congestion in TCP communication networks since it is nonlinear.  ...  Active queue management (AQM) aims to improve the overall network throughput, while providing lower delay and reduce packet loss and improving network.  ...  to dynamic traffic load Queue size (in packets) versus time on dumbbell network with short propagation delay times Queue size (in packets) versus time on dumbbell network with long propagation delay times  ... 
doi:10.1007/s00521-011-0786-0 fatcat:4lo2gu3cvre3tgo6vayqmfqiia

Neural network based model reference controller for active queue management of TCP flows

K. Rahnami, P. Arabshahi, A. Gray
2005 2005 IEEE Aerospace Conference  
Queue Management (AQM) routers in a network setting.  ...  We discuss here, implementation of a Neural Network (NN) based Model Referenced Control (MRC) algorithm to improve transient and steady state behavior of Transmission Control Protocol (TCP) flows and Active  ...  Eq. (2) captures the dynamic behavior of the expected queue length and Eq. (3) is a static equation describing the round-trip delay as the sum of the propagation and queuing delays.  ... 
doi:10.1109/aero.2005.1559464 fatcat:tfwxd43klngmzfcji65tn3nmaq

Vfast Tcp: A Delay-Based Enhanced Version Of Fast Tcp

Salem Belhaj, Moncef Tagina
2008 Zenodo  
adaptivity to changes in network.  ...  In this context, an evaluation of the suggested scheme through simulation is introduced, by comparing our VFAST prototype with FAST in terms of throughput, queue behavior, fairness, stability, RTT and  ...  Ali Karrech, from the Petroleum Institute of Abu Dhabi, for his kind help in revising the English writing of this paper.  ... 
doi:10.5281/zenodo.1072851 fatcat:r5yzenfwpzenlp3ortcmrmndga

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 evaluate it experimentally in terms of throughput, fairness, stability, and responsiveness.  ...  It confirms that FAST TCP does not penalize flows with large propagation delays.  ... 
doi:10.1109/tnet.2006.886335 fatcat:44kv2mbwqbhetbgjb2clf6pzcq

Fuzzy explicit marking: A unified congestion controller for Best-Effort and Diff-Serv networks

C. Chrysostomou, A. Pitsillides, Y.A. Sekercioglu
2009 Computer Networks  
This paper, proposes a generic active queue management (AQM) control methodology in TCP/IP networks, based on Fuzzy logic control principles.  ...  As demonstrated, this is in contrast with its wellknown conventional counterparts A-RED, REM, PI, AVQ for Best-Effort, and two-level PI, RIO for Differentiated-Services based networks, where the proposed  ...  , in order to examine the following effects, on the AQM schemes: dynamic traffic changes -time-varying dynamics; traffic load factor; heterogeneous propagation delays; different propagation delays at bottleneck  ... 
doi:10.1016/j.comnet.2008.11.002 fatcat:jsc45ehvfzhmzaxjvlvztyapyi

Fluid flow approximation of time-limited TCP/UDP/XCP streams

J. Domańska, A. Domański, T. Czachórski, J. Klamka
2014 Bulletin of the Polish Academy of Sciences: Technical Sciences  
In contrast to other works, independent UDP and TCP streams are considered and the model allows to start and end data transmissions in TCP, UDP and XCP streams at any time moment.  ...  This article presents the use of fluid flow approximation to model interactions between a set of TCP, UDP and XCP flows in the environment of IP routers using AQM (Active Queue Management) algorithms to  ...  Article [28] has presented the analysis of XCP stability in a network with XCP streams with different propagation delays.  ... 
doi:10.2478/bpasts-2014-0021 fatcat:qa2vdsg7c5eifahv7dk4ripg5e

Performance of TCP Vegas, Bic and Reno Congestion Control Algorithms on Iridium Satellite Constellations

M. Nirmala, Ramachandra.V. Pujeri
2012 International Journal of Computer Network and Information Security  
Satellite networking is different from wired or wireless networks. The behavior and the performance of TCP/IP in normal wireless network as well as in wired network are different from one another.  ...  It is observed that, irrespective of the high end to end delay, the behavior of TCP/IP under Satellite network is somewhat resembling a high latency wired network.  ...  = propagation delay dproc = processing delay N = Number of Links It is the cumulative delay which includes transmission delay, propagation delay and processing delay across a network Jitter or Packet  ... 
doi:10.5815/ijcnis.2012.12.04 fatcat:zh6awuwt3rejnayj2om72of5j4
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