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chore: slightly improve quic-bbr performance

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This commit is contained in:
gVisor bot 2023-05-28 20:14:57 +08:00
parent 83f6d6f8f2
commit 66ca57a787
1 changed files with 6 additions and 11 deletions
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17
transport/tuic/congestion/bbr_sender.go
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@ -17,17 +17,12 @@ const (
InitialMaxDatagramSize = 1252
InitialPacketSizeIPv4 = 1252
InitialPacketSizeIPv6 = 1232
InitialCongestionWindow = 10
InitialCongestionWindow = 32
DefaultBBRMaxCongestionWindow = 10000
)
const (
initialMinCongestionWindow = 4
minInitialPacketSize = 1200
)
func GetInitialPacketSize(addr net.Addr) congestion.ByteCount {
maxSize := congestion.ByteCount(minInitialPacketSize)
maxSize := congestion.ByteCount(1200)
// If this is not a UDP address, we don't know anything about the MTU.
// Use the minimum size of an Initial packet as the max packet size.
if udpAddr, ok := addr.(*net.UDPAddr); ok {
@ -37,7 +32,7 @@ func GetInitialPacketSize(addr net.Addr) congestion.ByteCount {
maxSize = InitialPacketSizeIPv6
}
}
return maxSize
return congestion.ByteCount(maxSize)
}
var (
@ -45,8 +40,8 @@ var (
// Default initial rtt used before any samples are received.
InitialRtt = 100 * time.Millisecond
// The gain used for the STARTUP, equal to 2/ln(2).
DefaultHighGain = 2.89
// The gain used for the STARTUP, equal to 4*ln(2).
DefaultHighGain = 2.77
// The gain used in STARTUP after loss has been detected.
// 1.5 is enough to allow for 25% exogenous loss and still observe a 25% growth
@ -281,7 +276,7 @@ func (b *bbrSender) maxCongestionWindow() congestion.ByteCount {
}
func (b *bbrSender) minCongestionWindow() congestion.ByteCount {
return b.maxDatagramSize * initialMinCongestionWindow
return b.maxDatagramSize * b.initialCongestionWindow
}
func (b *bbrSender) SetRTTStatsProvider(provider congestion.RTTStatsProvider) {