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remove ACK decimation

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The benefits of this are unclear when using Reno / Cubic.
This commit is contained in:
Marten Seemann
2020-06-11 18:49:01 +07:00
parent a854a4ace9
commit 260356140f
4 changed files with 94 additions and 143 deletions
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21
internal/ackhandler/received_packet_handler.go
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@@ -9,27 +9,6 @@ import (
"github.com/lucas-clemente/quic-go/internal/wire"
)
const (
// initial maximum number of ack-eliciting packets received before sending an ack.
initialAckElicitingPacketsBeforeAck = 2
// number of ack-eliciting that an ACK is sent for
ackElicitingPacketsBeforeAck = 10
// 1/5 RTT delay when doing ack decimation
ackDecimationDelay = 1.0 / 4
// 1/8 RTT delay when doing ack decimation
shortAckDecimationDelay = 1.0 / 8
// Minimum number of packets received before ack decimation is enabled.
// This intends to avoid the beginning of slow start, when CWNDs may be
// rapidly increasing.
minReceivedBeforeAckDecimation = 100
// Maximum number of packets to ack immediately after a missing packet for
// fast retransmission to kick in at the sender. This limit is created to
// reduce the number of acks sent that have no benefit for fast retransmission.
// Set to the number of nacks needed for fast retransmit plus one for protection
// against an ack loss
maxPacketsAfterNewMissing = 4
)
type receivedPacketHandler struct {
sentPackets sentPacketTracker