Predictable Multipath TCP (MPTCP) extension
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Multipath TCP (MPTCP) adds the capability of using multiple paths to a
regular TCP session, which is quite suitable for integrated network
scenarios where multiple paths almost always exist. However, link
handover and link on-off switching happen frequently in network
systems that integrate different systems (especially the systems that
continually move), which defeats the quality of MPTCP connections.
Information about the link handover and on-off switching in above-
mentioned scenarios can be predicted in advance, but MPTCP is not
capable of utilizing the prediction information. This document
suggests MPTCP be extended with the capacity of obtaining and
utilizing the prediction information. Furthermore, the document
describes one possible way to enhance MPTCP with prediction
information, which proposes a modified MPTCP scheduler utilizing link
on-off prediction information.