Red Hat Bringing Multipath TCP To RHEL 8.3 As A Tech Preview
Written by Michael Larabel in Red Hat on 19 August 2020 at 06:49 AM EDT. 7 Comments
RED HAT --
Red Hat confirmed today it is bringing Multipath TCP (MPTCP) to Red Hat Enterprise Linux 8.3 as a "tech preview" feature.

Multipath TCP is an extension of TCP to allow end-to-end delivery over multiple simultaneous TCP paths. Multipath TCP was upstreamed for Linux 5.6 as a means of greater TCP performance/efficiency and redundancy. MPTCP has been around for years and the reference implementation for Linux remained out-of-tree but this year is finally all in mainline. In kernels since Linux 5.6 there has continued to be more tuning/additions around MPTCP.

Red Hat engineers are back-porting the Multipath TCP code to their RHEL8 kernel for distributing as a tech preview option beginning in RHEL 8.3.

Making use of MPTCP and the setup steps involved are outlined in this Red Hat Developer blog post.
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