Robuta

https://www.redhat.com/en/blog/using-multipath-tcp-better-survive-outages-and-increase-bandwidth
MultiPath TCP (MPTCP) gives you a way to bundle multiple paths between systems to increase bandwidth and resilience from failures.
multipath tcpincrease bandwidthusingbettersurvive
https://nlnet.nl/project/MPTCP-C-Flag/
multipath tcpnlnetlinux
https://multipath-tcp.org/
multipath tcplinux kernelimplementationmainbrowse