Multipath TCP (MPTCP): Using Multiple Network Paths for Enhanced Connectivity
By
SweetSoftPillow
Master baker tier. Every paragraph earns its place on the tray.
Summary
Multipath TCP (MPTCP) is an extension to standard TCP that enables devices to use multiple network interfaces simultaneously over a single connection. It can aggregate bandwidth from different interfaces, prioritize paths with lowest latency, and provide seamless failover when one path fails. The technology is described in RFC 8684 and is particularly relevant for Linux systems, with resources available for installation, debugging, and implementation.
Key quotes
· 4 pulledMPTCP allows a device to make use of multiple interfaces at once to send and receive TCP packets over a single MPTCP connection.
MPTCP can aggregate the bandwidth of multiple interfaces or prefer the one with the lowest latency.
It also allows a fail-over if one path is down, and the traffic is seamlessly reinjected on other paths.
Multipath TCP (MPTCP) for Linux, an extension to TCP that enhances connection redundancy and performance by utilizing multiple underlying TCP sessions simultaneously.
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