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Lessons for Alias TRIGTRAN agreed on one notification – LinkUp Redefined as end-to-end notification Functionality limited to short-circuiting RTO backoff Has no effect unless RTO has already taken place Slow start with cwnd=1 still happens after first ACK Notifications complicate transport state machines If we can’t trust them, even more complexity If we can’t redefine a notification as end-to-end? No support for it in TRIGTRAN, at IETF 56 BoF Link Down is the extreme case, of course No future for middlebox transport guidance Without authentication |