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mptcp: fallback to TCP after 3 MPC drop + cache #156

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merged 2 commits into from
Sep 12, 2024

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@matttbe matttbe commented Sep 2, 2024

A new series has been recently shared to force a fallback to TCP after 3 failed MPC attempts. If the "plain" TCP connection is a success after this fallback, it likely means that MPTCP is blocked. The next connections will directly fall back to TCP.

That's what is being validated here.

See these tickets for more details:

After 3 failed attempts, there is a fallback to TCP.

Link: multipath-tcp/mptcp_net-next#477
Signed-off-by: Matthieu Baerts (NGI0) <[email protected]>
After 3 failed attempts, there is a fallback to TCP. If this "plain" TCP
connection was a success, it likely means that MPTCP is blocked. The
next connections now directly falls back to TCP.

Link: multipath-tcp/mptcp_net-next#57
Signed-off-by: Matthieu Baerts (NGI0) <[email protected]>
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matttbe commented Sep 2, 2024

(The kernel patches have just been sent on the ML)

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matttbe commented Sep 9, 2024

(FYI, the kernel patches have just been applied in the export branch)

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matttbe commented Sep 12, 2024

I suggest merging these because the new feature is already in net-next, best to make sure there are no regressions later on.
I can always fix issues later.

@matttbe matttbe merged commit b96e6ba into multipath-tcp:mptcp-net-next Sep 12, 2024
@matttbe matttbe deleted the mptcp-fallback-x-mpc branch September 12, 2024 07:28
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