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Impact of TCP BBR on CUBIC Traffic: A mixed workload evaluation
Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), Institutionen för matematik och datavetenskap (from 2013).ORCID-id: 0000-0002-8731-2482
Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), Institutionen för matematik och datavetenskap (from 2013).
Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), Institutionen för matematik och datavetenskap (from 2013).ORCID-id: 0000-0003-4147-9487
Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), Institutionen för matematik och datavetenskap (from 2013).ORCID-id: 0000-0001-7311-9334
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2018 (engelsk)Inngår i: Proceedings of the 30th International Teletraffic Congress, ITC 2018, IEEE, 2018, s. 218-226Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

A recently proposed congestion control algorithm (CCA) called BBR (Bottleneck Bandwidth and Round-trip propagation time) has shown a lot of promise in avoiding some of the problems that have plagued loss-based CCAs. Nevertheless, deployment of a new alternative algorithm requires a thorough evaluation of the effect of the proposed alternative on established transport protocols like TCP CUBIC. Furthermore, evaluations that consider the heterogeneity of Internet traffic sizes would provide a useful insight into the deployability of an algorithm that introduces sweeping changes across multiple algorithm components. Yet, most evaluations of BBR's impact and competitive fairness have focused on the steady-state performance of large flows. This work expands on previous studies of BBR by evaluating BBR's impact when the traffic consists of flows of different sizes. Our experiments show that under certain circumstances BBR's startup phase can result in a significant reduction of the throughput of competing large CUBIC flows and the utilization of the bottleneck link. In addition, the steady-state operation of BBR can have negative impact on the performance of bursty flows using loss-based CCAs over bottlenecks with buffer sizes as high as two times the bandwidth-delay product. 

sted, utgiver, år, opplag, sider
IEEE, 2018. s. 218-226
Emneord [en]
BBR, Congestion Control, CUBIC, Startup, Steady state, TCP, Bandwidth, Congestion control (communication), Reactor startup, Traffic congestion, Alternative algorithms, Bandwidth delay product, Bottleneck bandwidth, Steady state performance, Steady-state operation, Workload evaluation, Transmission control protocol
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Forskningsprogram
Datavetenskap
Identifikatorer
URN: urn:nbn:se:kau:diva-70575DOI: 10.1109/ITC30.2018.00040Scopus ID: 2-s2.0-85057239137ISBN: 9780988304550 (tryckt)OAI: oai:DiVA.org:kau-70575DiVA, id: diva2:1273078
Konferanse
30th International Teletraffic Congress, ITC 2018, 4 September 2018 through 7 September 2018
Prosjekter
HITS, 4707
Forskningsfinansiär
Knowledge FoundationTilgjengelig fra: 2018-12-20 Laget: 2018-12-20 Sist oppdatert: 2019-11-11bibliografisk kontrollert

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Hurtig, PerHaile, Habtegebreil KassayeGrinnemo, Karl-JohanBrunström, Anna

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