R-M/TCP: Protocol for Reliable Multi-Path Transport over the Internet

Rojviboonchai, Kultida; Osuga, Toru; Aida, Hitoshi

doi:10.1109/aina.2005.289

Cited by 10 publications

(11 citation statements)

References 2 publications

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“…However, extensions to TCP [12], [13], [14] have never been implemented nor deployed [9]. SCTP's extension, called Concurrent Multipath Transmission (CMT) [2], is implemented but not widely deployed since many Internet middle-boxes by default block SCTP-PDUs.…”

Section: Introductionmentioning

confidence: 99%

Non-renegable Selective Acknowledgments (NR-SACKs) for MPTCP

Yang

Amer

2013

2013 27th International Conference on Advanced Information Networking and Applications Workshops

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Abstract-We introduce Non-Renegable Selective Acknowledgments (NR-SACKs) to MPTCP, and investigate their impact in situations where an MPTCP receiver never discards received out-of-order data from the MPTCP receive buffer (i.e., never renegs). NR-SACKs not only allow an MPTCP receiver to report the reception of out-of-order data, but also allow an MPTCP sender to free reported out-of-order data in the MPTCP send buffer sooner than the advance of the MPTCP level cumulative acknowledgement (DATA ACK). We implemented NR-SACKs in the Linux kernel. Experiments show that (i) the MPTCP data transfers with NR-SACKs never perform worse than those without NR-SACKs, and (ii) NR-SACKs improve throughput in MPTCP when the total congestion window (cwnd) of all subflows is greater than the MPTCP send buffer size (i.e., the send buffer size is the bottleneck).

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Section: Introductionmentioning

confidence: 99%

Non-renegable Selective Acknowledgments (NR-SACKs) for MPTCP

Yang

Amer

2013

2013 27th International Conference on Advanced Information Networking and Applications Workshops

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“…Can lessons learned from recent MultiPath TCP studies be applied on Tor network? [9], [8], [10], [11], [12] We leveraged RTT estimation techniques and combined congestion window management methods from the recent works on MultiPath-TCP [10], [11], [12]. Generally speaking, it can be said that their study mostly focuses on the efficient implementation of multi-path routing on top of existing Tor mechanisms whereas our study targets to explore limits and boundaries of multi-path routing performance via black-box approach.…”

Section: A Related Workmentioning

confidence: 99%

“…CONCLUSIONS In this work, inspired by recent MultiPath TCP studies [9], [8], [10], [11], [12], we applied dynamic traffic distribution mechanisms on Tor anonymizer software. Our experiments with bulk data files and short interactive data transactions showed that multi-path routing has great potential for improving overall throughput and decreasing latencies experienced by users on Tor network.…”

Section: E Regional Differencesmentioning

confidence: 99%

“…Multi-path techniques have been proposed previously for a wide range of areas, especially for enhanced reliability [8]. Interest on multi-path routing has been recently revived by the urgent need of high-performance transmission solutions on data-center networks [9] and proliferation of computers equipped with multiple network interfaces, e.g., wireless and wired, which can enjoy significant throughput improvements by concurrent data transmission over multiple media [10], [11], [12].…”

Section: Fig 2 Onion Routing Encryption Layersmentioning

confidence: 99%

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Multi Path Considerations for Anonymized Routing: Challenges and Opportunities

Karaoglu

Akgun

Güneş

et al. 2012

2012 5th International Conference on New Technologies, Mobility and Security (NTMS)

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Abstract-Recently, there has been a surging interest on anonymizer technologies as a result of increasing privacy concerns and raising censorship barriers around the world. Tor network has emerged as the most popular option in avail thanks to its large volunteer base. However, popularity of Tor network is under threat of growing user frustration over low throughput and long latencies. Coincidentally multi-path routing proposals have become popular in tackling the similar performance issues in various contexts from data center networks to inter-domain routing. In this work, we apply multi-path techniques so as to overcome limitations in Tor's path construction and rigid congestion avoidance mechanisms which are major factors behind the unsatisfactory user experience. It turns out that multipath mechanisms nicely complement underlying onion-routing mechanisms of Tor via exploiting diversity in Tor network. Our preliminary evaluation on live Tor network revealed the significant potential of performance improvements achieved by multi-path techniques especially in increasing throughput which can offer up to 4 times speed up in data transmission durations. Also, multi-path mechanisms may increase reliability of the overall system against congestion or service-interruption based attacks in return of acceptable anonymity trade-offs. Besides these very promising features, application of multi-path techniques on anonymized routing introduces many open research questions calling for further research on data splitting, path construction, latency estimation techniques whose findings can benefit many research areas.

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“…However, they remain experimental and it is unlikely that they will be widely deployed. Transport layer solutions have also been developed, first as extensions to TCP [13,7,18,23]. However, to our knowledge these extensions have never been implemented nor deployed.…”

Section: Introductionmentioning

confidence: 99%

MultiPath TCP: From Theory to Practice

Barré

Paasch

Bonaventure

2011

Lecture Notes in Computer Science

167

104

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Abstract. The IETF is developing a new transport layer solution, MultiPath TCP (MPTCP), which allows to efficiently exploit several Internet paths between a pair of hosts, while presenting a single TCP connection to the application layer. From an implementation viewpoint, multiplexing flows at the transport layer raises several challenges. We first explain how this major TCP extension affects the Linux TCP/IP stack when considering the establishment of TCP connections and the transmission and reception of data over multiple paths. Then, based on our implementation of MultiPath TCP in the Linux kernel, we explain how such an implementation can be optimized to achieve high performance and report measurements showing the performance of receive buffer tuning and coupled congestion control.

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R-M/TCP: Protocol for Reliable Multi-Path Transport over the Internet

Cited by 10 publications

References 2 publications

Non-renegable Selective Acknowledgments (NR-SACKs) for MPTCP

Non-renegable Selective Acknowledgments (NR-SACKs) for MPTCP

Multi Path Considerations for Anonymized Routing: Challenges and Opportunities

MultiPath TCP: From Theory to Practice

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