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We use one-way communication delay of a TCP connection to design an MPTCP scheduler that transmits data out-of-order over multiple paths such that their arrival is in-order. Our Linux implementation shows our proposed scheduler can reduce receive buffer utilization, and increase overall throughput when a small receive buffer size results in receive buffer blocking.
We first explain problems with the default scheduler used by the Linux kernel MPTCP implementation. Then we propose the design of a new scheduler. Preliminary empirical results show that our proposed scheduler improves the throughput in MPTCP by alleviating the problems caused by the default scheduler.
We introduce Non-Rene gable 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...
In prior work, a CMT protocol using SCTP multihoming (termed SCTP-based CMT) was proposed and investigated for improving application throughput. SCTP-based CMT was studied in (bottleneck-independent) wired networking scenarios with ns-2 simulations. This paper studies the TCP-friendliness of CMT in the Internet. In this paper, we surveyed historical developments of the TCP-friendliness concept and...
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