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Description
Description
Currently, the ADD_ADDR will be retransmitted after a fixed timeout (sysctl net.mptcp.add_addr_timeout). This can be too slow (or too quick).
Solution
Why not using a timeout based on the sRTT (*2 to start?), with an exponential backoff, which would be more reactive.
Considered alternatives
Maybe also having a max timeout
Additional context
We might need to deprecate the sysctl, or use it as a max?