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Reduce the local network slowstart flightsize from infinity to 4 packets.

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Now that we've increased the size of our send / receive buffers, bursting
an entire window onto the network may cause congestion.  As a result,
we will slow start beginning with a flightsize of 4 packets.

Problem reported by: Thomas Zenker <thz@Lennartz-electronic.de>

MFC after:	3 days
This commit is contained in:
silby 2001-12-14 18:26:52 +00:00
parent f8ad22919e
commit 1b6efabb90
1 changed files with 1 additions and 1 deletions
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2
sys/netinet/tcp_output.c
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@ -91,7 +91,7 @@ int ss_fltsz = 1;
SYSCTL_INT(_net_inet_tcp, OID_AUTO, slowstart_flightsize, CTLFLAG_RW,
&ss_fltsz, 1, "Slow start flight size");
int ss_fltsz_local = TCP_MAXWIN; /* something large */
int ss_fltsz_local = 4;
SYSCTL_INT(_net_inet_tcp, OID_AUTO, local_slowstart_flightsize, CTLFLAG_RW,
&ss_fltsz_local, 1, "Slow start flight size for local networks");