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use actually used datagram size for congestion controller calculations

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This commit is contained in:
Marten Seemann 2020-01-22 15:04:03 +07:00
parent d4de582fad
commit 281fb1d0b8
2 changed files with 7 additions and 7 deletions
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2
internal/congestion/cubic_sender.go
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@ -10,7 +10,7 @@ import (
const (
// maxDatagramSize is the default maximum packet size used in the Linux TCP implementation.
// Used in QUIC for congestion window computations in bytes.
maxDatagramSize protocol.ByteCount = 1460
maxDatagramSize = protocol.ByteCount(protocol.MaxPacketSizeIPv4)
maxBurstBytes = 3 * maxDatagramSize
renoBeta float32 = 0.7 // Reno backoff factor.
maxCongestionWindow = protocol.MaxCongestionWindowPackets * maxDatagramSize

2
internal/congestion/cubic_test.go
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@ -231,7 +231,7 @@ var _ = Describe("Cubic", func() {
clock.Advance(100 * time.Millisecond)
currentCwnd = cubic.CongestionWindowAfterAck(maxDatagramSize, currentCwnd, rttMin, clock.Now())
}
expectedCwnd = 553632
expectedCwnd = 553632 * maxDatagramSize / 1460
Expect(currentCwnd).To(Equal(expectedCwnd))
})
})