D-TCP: Dynamic TCP congestion control algorithm for next generation mobile networks

Kanagarathinam, Madhan Raj; Singh, Sukhdeep; Sandeep, Irlanki; Roy, Abhishek; Saxena, Navrati

doi:10.1109/ccnc.2018.8319185

Cited by 20 publications

(9 citation statements)

References 9 publications

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“…However, this work lacks in analysis and performance evaluations of D-TCP over mmWave NR. This paper extends the work [21] in several aspects, as mentioned below:…”

Section: Introductionsupporting

confidence: 67%

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NexGen D-TCP: Next Generation Dynamic TCP Congestion Control Algorithm

et al. 2020

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With the advancement of wireless access networks and mmWave New Radio (NR), new applications emerged, which requires a high data rate. The random packet loss due to mobility and channel conditions in a wireless network is not negligible, which degrades the significant performance of the Transmission Control Protocol (TCP). The TCP has been extensively deployed for congestion control in the communication network during the last two decades. Different variants are proposed to improve the performance of TCP in various scenarios, specifically in lossy and high bandwidth-delay product (high-BDP) networks. Implementing a new TCP congestion control algorithm whose performance is applicable over a broad range of network conditions is still a challenge. In this article, we introduce and analyze a Dynamic TCP (D-TCP) congestion control algorithm over mmWave NR and LTE-A networks. The proposed D-TCP algorithm copes up with the mmWave channel fluctuations by estimating the available channel bandwidth. The estimated bandwidth is used to derive the congestion control factor. The congestion window is increased/decreased adaptively based on the calculated congestion control factor. We evaluated the performance of D-TCP in terms of congestion window growth, goodput, fairness and compared it with legacy and existing TCP algorithms. We performed simulations of mmWave NR during LOS <-> NLOS transitions and showed that D-TCP curtails the impact of under-utilization during mobility. The simulation results and live air experiment points out that D-TCP achieves 32.9% gain in goodput as compared to TCP-Reno and attains 118.9% gain in throughput as compared to TCP-Cubic.

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“…However, this work lacks in analysis and performance evaluations of D-TCP over mmWave NR. This paper extends the work [21] in several aspects, as mentioned below:…”

Section: Introductionsupporting

confidence: 67%

“…The initial version of this work is published in [21]. In [21], we proposed a Dynamic TCP congestion control algorithm (D-TCP) for LTE-A networks. D-TCP estimates the channel bandwidth and adjusts the congestion window dynamically.…”

Section: Introductionmentioning

confidence: 99%

NexGen D-TCP: Next Generation Dynamic TCP Congestion Control Algorithm

et al. 2020

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“…For this reason, other transport protocols, such as Performance-oriented Congestion Control (PCC) [37], TCP Veno [38], TCP Westwood+ [39], Dynamic TCP [40], Jitter TCP [41], and Jitter Stream Control Transmission Protocol (JSCTP) [42] are focused on implementing mechanisms to detect if lost packets occur due to network congestion or random channel loss. They only reduce the congestion window in the first case, achieving better performance [11].…”

Section: Transport Protocolsmentioning

confidence: 99%

DTN Trustworthiness for Permafrost Telemetry IoT Network

2021

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The SHETLAND-NET research project aims to build an Internet of Things (IoT) telemetry service in Antarctica to automatize the data collection of permafrost research studies on interconnecting remote wireless sensor networks (WSNs) through near vertical incidence skywave (NVIS) long fat networks (LFN). The proposed architecture presents some properties from challenging networks that require the use of delay tolerant networking (DTN) opportunistic techniques that send the collected data during the night as a bulk data transfer whenever a link comes available. This process might result in network congestion and packet loss. This is a complex architecture that demands a thorough assessment of the solution’s viability and an analysis of the transport protocols in order to find the option which best suits the use case to achieve superior trustworthiness in network congestion situations. A heterogeneous layer-based model is used to measure and improve the trustworthiness of the service. The scenario and different transport protocols are modeled to be compared, and the system’s trustworthiness is assessed through simulations.

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“…The second problem is the need for expanding the congestion window (cwnd) to a big number of packets in order to utilize the available bandwidth due to the high-BDP of these networks. In the congestion avoidance stage, TCP requires around an RTT to increase its cwnd by one and because the RTT in such networks is long, thus, the increase of cwnd becomes severely slow [3], [9]- [11].…”

Section: Introductionmentioning

confidence: 99%

Elastic-TCP: Flexible Congestion Control Algorithm to Adapt for High-BDP Networks

Alrshah

Al-Maqri²,

Othman

2019

IEEE Systems Journal

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In the last decade, the demand for Internet applications has been increased, which increases the number of data centers across the world. These data centers are usually connected to each other using long-distance and high-speed networks. As known, the Transmission Control Protocol (TCP) is the predominant protocol used to provide such connectivity among these data centers. Unfortunately, the huge Bandwidth-Delay Product (BDP) of these networks hinders TCP from achieving full bandwidth utilization. In order to increase TCP flexibility to adapt for high-BDP networks, we propose a new delay-based and RTT-independent Congestion Control Algorithm (CCA), namely Elastic-TCP. It mainly contributes the novel Window-correlated Weighting Function (WWF) to increase TCP bandwidth utilization over high-BDP networks. Extensive simulation and testbed experiments have been carried out to evaluate the proposed Elastic-TCP by comparing its performance to the commonly used TCPs developed by Microsoft, Linux, and Google. The results show that the proposed Elastic-TCP achieves higher average throughput than the other TCPs, while it maintains the sharing fairness and the loss ratio. Moreover, it is worth noting that the new Elastic-TCP presents lower sensitivity to the variation of buffer size and packet error rate than the other TCPs, which grants high efficiency and stability.

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D-TCP: Dynamic TCP congestion control algorithm for next generation mobile networks

Cited by 20 publications

References 9 publications

NexGen D-TCP: Next Generation Dynamic TCP Congestion Control Algorithm

NexGen D-TCP: Next Generation Dynamic TCP Congestion Control Algorithm

DTN Trustworthiness for Permafrost Telemetry IoT Network

Elastic-TCP: Flexible Congestion Control Algorithm to Adapt for High-BDP Networks

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