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- Title
An Analysis of MPTCP Congestion Control.
- Authors
Jowkarishasaltaneh, Farinaz; But, Jason
- Abstract
Many devices contain more than one network interface. There is scope for multi-path transfer to utilise these network interfaces simultaneously. Multi-path TCP (MPTCP) is designed to provide improved resilience and resource utilisation through multi-path transfer. One of the key goals of MPTCP is to preserve fair resource sharing with regular TCP at network bottlenecks. Although the coupled congestion control algorithms can achieve this goal by coupling subflow congestion windows, the algorithms always assume that the subflow paths will share a bottleneck. As a consequence, MPTCP is unable to maximise throughput over all available paths at a non-shared bottleneck. We present a survey about MPTCP and its coupled congestion control algorithms. We then show that MPTCP coupled congestion control algorithms perform poorly when paths are disjoint and/or do not have similar delay and/or bandwidth characteristics.
- Subjects
ALGORITHMS
- Publication
Telecom, 2022, Vol 3, Issue 4, p581
- ISSN
2673-4001
- Publication type
Article
- DOI
10.3390/telecom3040033