Searched hist:bb4d991a28cc86a2dfbeefeff32911ca9f779c18 (Results 1 – 3 of 3) sorted by relevance
/linux/net/ipv4/ |
H A D | tcp_recovery.c | diff bb4d991a28cc86a2dfbeefeff32911ca9f779c18 Thu Jul 20 00:41:26 CEST 2017 Yuchung Cheng <ycheng@google.com> tcp: adjust tail loss probe timeout
This patch adjusts the timeout formula to schedule the TCP loss probe (TLP). The previous formula uses 2*SRTT or 1.5*RTT + DelayACKMax if only one packet is in flight. It keeps a lower bound of 10 msec which is too large for short RTT connections (e.g. within a data-center). The new formula = 2*RTT + (inflight == 1 ? 200ms : 2ticks) which performs better for short and fast connections.
Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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H A D | tcp_output.c | diff bb4d991a28cc86a2dfbeefeff32911ca9f779c18 Thu Jul 20 00:41:26 CEST 2017 Yuchung Cheng <ycheng@google.com> tcp: adjust tail loss probe timeout
This patch adjusts the timeout formula to schedule the TCP loss probe (TLP). The previous formula uses 2*SRTT or 1.5*RTT + DelayACKMax if only one packet is in flight. It keeps a lower bound of 10 msec which is too large for short RTT connections (e.g. within a data-center). The new formula = 2*RTT + (inflight == 1 ? 200ms : 2ticks) which performs better for short and fast connections.
Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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/linux/include/net/ |
H A D | tcp.h | diff bb4d991a28cc86a2dfbeefeff32911ca9f779c18 Thu Jul 20 00:41:26 CEST 2017 Yuchung Cheng <ycheng@google.com> tcp: adjust tail loss probe timeout
This patch adjusts the timeout formula to schedule the TCP loss probe (TLP). The previous formula uses 2*SRTT or 1.5*RTT + DelayACKMax if only one packet is in flight. It keeps a lower bound of 10 msec which is too large for short RTT connections (e.g. within a data-center). The new formula = 2*RTT + (inflight == 1 ? 200ms : 2ticks) which performs better for short and fast connections.
Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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