tcp_slow_start_after_idle

file: /proc/sys/net/ipv4/tcp_slow_start_after_idle
variable: net.ipv4.tcp_slow_start_after_idle
Official reference

If set, provide RFC2861 behavior and time out the congestion window after an idle period. An idle period is defined at the current RTO. If unset, the congestion window will not be timed out after an idle period. Default: 1

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