Re: FACK and CWND

2006-07-31 Thread David Miller
From: "Ma Lin" <[EMAIL PROTECTED]> Date: Fri, 28 Jul 2006 18:37:15 +0800 > In FACK, the holes between SACK blocks are considered as loss. To a > sender, when SACK comes in, loss_out would be non-zero. According to > linux-2.6.17.7/net/ipv4/tcp_input.c, function tcp_time_to_recover(), > this non-ze

FACK and CWND

2006-07-28 Thread Ma Lin
Hi there, A question related to TCP-FACK, which is a default in Linux: In FACK, the holes between SACK blocks are considered as loss. To a sender, when SACK comes in, loss_out would be non-zero. According to linux-2.6.17.7/net/ipv4/tcp_input.c, function tcp_time_to_recover(), this non-zero loss_o