question on TCP SACK

From: Tang Oo ([email protected])
Date: Tue Nov 17 1998 - 21:38:46 EST

I am not clear about the behavior of TCP SACK. If an ACK indicates multiple
losses of segments, the congestion window should be cut by half, or cut by
multiple halves? Is the fast retransmit and fast recovery still appliable to
SACK?

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