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A BBR-based Congestion Control for Delay-sensitive Real-time Applications

Najmuddin, S, Asim, M, Munir, K, Baker, T, Guo, Z and Ranjan, R (2020) A BBR-based Congestion Control for Delay-sensitive Real-time Applications. Computing. ISSN 0010-485X

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The current User Datagram Protocol (UDP) causes unfairness and bufferbloats to delay sensitive applications due to the uncontrolled congestion and monopolization of available bandwidth.This causes call drops and frequent communication/connection loss in delay sensitive applications such as VoIP. We present a Responsive Control Protocol using Bottleneck Bandwidth and Round trip propagation time (RCP-BBR) as an alternate solution to UDP. RCP-BBR achieves low latency, high throughput, and low call drops ratio by efficiently customizing Transmission Control Protocol (TCP) Bottleneck Bandwidth and Round-trip propagation time (TCP-BBR) congestion control. We conducted comprehensive experiments, and the results show that proposed protocol achieves better throughput over UDP in stable networks. Moreover, in unstable and long-distanced networks, RCP-BBR achieved smaller queues in deep buffers and lower delays as compared to UDP, which performed poorly by keeping delays above the call drop threshold.

Item Type: Article
Additional Information: This is a post-peer-review, pre-copyedit version of an article published in Computing. The final authenticated version is available online at: https://doi.org/10.1007/s00607-020-00829-2
Uncontrolled Keywords: 01 Mathematical Sciences, 08 Information and Computing Sciences
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Divisions: Computer Science & Mathematics
Publisher: Springer (part of Springer Nature)
Date Deposited: 23 Jun 2020 08:32
Last Modified: 12 Jan 2022 14:15
DOI or ID number: 10.1007/s00607-020-00829-2
URI: https://researchonline.ljmu.ac.uk/id/eprint/13155
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