这些改变允许内核在更多的情况下避免基于超时的恢复场景。

These changes allow the kernel to avoid full timeout-based recovery scenarios under more circumstances.

youdao

这些情况的原因中缺少的一环是在新内核中减少了 TCP 基于超时的恢复机制，原因是与 RFC3517 有关的改变。

The missing link that both of these things can be attributed to is the reduction in TCP timeout-based recoveries on the newer kernel because of the RFC 3517-related changes.

youdao