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Implement loss recovery from the current WG draft

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Fixes #498 and will hopefully go a long way towards fixing the many
flaky tests.
This commit is contained in:
Lucas Clemente
2017-03-24 18:28:59 +01:00
parent 959a8d0e4f
commit 1c5380c49b
9 changed files with 376 additions and 434 deletions
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14
protocol/protocol.go
View File

@@ -1,9 +1,6 @@
package protocol
import (
"math"
"time"
)
import "math"
// A PacketNumber in QUIC
type PacketNumber uint64
@@ -55,15 +52,6 @@ const InitialStreamFlowControlWindow ByteCount = (1 << 14) // 16 kB
// InitialConnectionFlowControlWindow is the initial connection-level flow control window for sending
const InitialConnectionFlowControlWindow ByteCount = (1 << 14) // 16 kB
// DefaultRetransmissionTime is the RTO time on new connections
const DefaultRetransmissionTime = 500 * time.Millisecond
// MinRetransmissionTime is the minimum RTO time
const MinRetransmissionTime = 200 * time.Millisecond
// MaxRetransmissionTime is the maximum RTO time
const MaxRetransmissionTime = 60 * time.Second
// ClientHelloMinimumSize is the minimum size the server expects an inchoate CHLO to have.
const ClientHelloMinimumSize = 1024

3
protocol/server_parameters.go
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@@ -78,9 +78,6 @@ const MaxNewStreamIDDelta = 4 * MaxStreamsPerConnection
// MaxSessionUnprocessedPackets is the max number of packets stored in each session that are not yet processed.
const MaxSessionUnprocessedPackets = DefaultMaxCongestionWindow
// RetransmissionThreshold + 1 is the number of times a packet has to be NACKed so that it gets retransmitted
const RetransmissionThreshold = 3
// SkipPacketAveragePeriodLength is the average period length in which one packet number is skipped to prevent an Optimistic ACK attack
const SkipPacketAveragePeriodLength PacketNumber = 500