QUIC Working GroupJ. Iyengar, Editor
Internet-DraftI. Swett, Editor
Intended status: Standards TrackGoogle
Expires: April 21, 2018October 18, 2017

free american muslim dating site QUIC Loss Detection and Congestion Control

draft-ietf-quic-recovery-latest

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bauer sucht frau 2013 kandidaten vorstellung This document describes loss detection and congestion control mechanisms for QUIC.game 3d for samsung galaxy chat

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bauer sucht frau deutschland kandidaten 2013 Discussion of this draft takes place on the QUIC working group mailing list ([email protected]), which is archived at den richtigen partner finden psychologie.depression online chat room free

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bauer sucht frau atv 2012 stefanie QUIC is a new multiplexed and secure transport atop UDP. QUIC builds on decades of transport and security experience, and implements mechanisms that make it attractive as a modern general-purpose transport. The QUIC protocol is described in [QUIC-TRANSPORT].dating married indian man

atv bauer sucht frau 2012 kandidaten stefan QUIC implements the spirit of known TCP loss recovery mechanisms, described in RFCs, various Internet-drafts, and also those prevalent in the Linux TCP implementation. This document describes QUIC congestion control and loss recovery, and where applicable, attributes the TCP equivalent in RFCs, Internet-drafts, academic papers, and/or TCP implementations.best dating domain names

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bauer sucht frau 2012 neue kandidaten atv All transmissions in QUIC are sent with a packet-level header, which includes a packet sequence number (referred to below as a packet number). These packet numbers never repeat in the lifetime of a connection, and are monotonically increasing, which makes duplicate detection trivial. This fundamental design decision obviates the need for disambiguating between transmissions and retransmissions and eliminates significant complexity from QUIC’s interpretation of TCP loss detection mechanisms.dating app for ios 6

bauer sucht frau atv 2012 sendetermine Every packet may contain several frames. We outline the frames that are important to the loss detection and congestion control machinery below.free phone dating site online

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bauer sucht frau bewerbung 2012 atv Readers familiar with TCP’s loss detection and congestion control will find algorithms here that parallel well-known TCP ones. Protocol differences between QUIC and TCP however contribute to algorithmic differences. We briefly describe these protocol differences below.free australia online dating site

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bauer sucht frau 2012 atv TCP conflates transmission sequence number at the sender with delivery sequence number at the receiver, which results in retransmissions of the same data carrying the same sequence number, and consequently to problems caused by “retransmission ambiguity”. QUIC separates the two: QUIC uses a packet sequence number (referred to as the “packet number”) for transmissions, and any data that is to be delivered to the receiving application(s) is sent in one or more streams, with stream offsets encoded within STREAM frames inside of packets that determine delivery order.female headlines for dating sites

online dating writing a good first message QUIC’s packet number is strictly increasing, and directly encodes transmission order. A higher QUIC packet number signifies that the packet was sent later, and a lower QUIC packet number signifies that the packet was sent earlier. When a packet containing frames is deemed lost, QUIC rebundles necessary frames in a new packet with a new packet number, removing ambiguity about which packet is acknowledged when an ACK is received. Consequently, more accurate RTT measurements can be made, spurious retransmissions are trivially detected, and mechanisms such as Fast Retransmit can be applied universally, based only on packet number.profile pics from russian dating sites

good first message to a guy online dating This design point significantly simplifies loss detection mechanisms for QUIC. Most TCP mechanisms implicitly attempt to infer transmission ordering based on TCP sequence numbers - a non-trivial task, especially when TCP timestamps are not available.best online dating sites for 20 year olds

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online dating first message to a guy example QUIC ACKs contain information that is equivalent to TCP SACK, but QUIC does not allow any acked packet to be reneged, greatly simplifying implementations on both sides and reducing memory pressure on the sender.interesting headlines for dating sites

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best first online dating message examples QUIC ACKs explicitly encode the delay incurred at the receiver between when a packet is received and when the corresponding ACK is sent. This allows the receiver of the ACK to adjust for receiver delays, specifically the delayed ack timer, when estimating the path RTT. This mechanism also allows a receiver to measure and report the delay from when a packet was received by the OS kernel, which is useful in receivers which may incur delays such as context-switch latency before a userspace QUIC receiver processes a received packet.bauer sucht frau 2007 alle kandidaten


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bauer sucht frau kandidaten 2016 atv QUIC senders use both ack information and timeouts to detect lost packets, and this section provides a description of these algorithms. Estimating the network round-trip time (RTT) is critical to these algorithms and is described first.online dating for seniors uk

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what are other chat sites like omegle Ack-based loss detection implements the spirit of TCP’s Fast Retransmit [RFC5681], Early Retransmit [RFC5827], FACK, and SACK loss recovery [RFC6675]. This section provides an overview of how these algorithms are implemented in QUIC.dating 20 year old woman

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cool dating profile headlines An unacknowledged packet is marked as lost when an acknowledgment is received for a packet that was sent a threshold number of packets (kReorderingThreshold) after the unacknowledged packet. Receipt of the ack indicates that a later packet was received, while kReorderingThreshold provides some tolerance for reordering of packets in the network.dating 20 year old guy

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funniest dating site headlines We derive this default from recommendations for TCP loss recovery [RFC5681] [RFC6675]. It is possible for networks to exhibit higher degrees of reordering, causing a sender to detect spurious losses. Detecting spurious losses leads to unnecessary retransmissions and may result in degraded performance due to the actions of the congestion controller upon detecting loss. Implementers MAY use algorithms developed for TCP, such as TCP-NCR [RFC4653], to improve QUIC’s reordering resilience, though care should be taken to map TCP specifics to QUIC correctly. Similarly, using time-based loss detection to deal with reordering, such as in PR-TCP, should be more readily usable in QUIC. Making QUIC deal with such networks is important open research, and implementers are encouraged to explore this space.spiele zum kennenlernen partnerschaft

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funny dating profile headlines Unacknowledged packets close to the tail may have fewer than kReorderingThreshold number of ackable packets sent after them. Loss of such packets cannot be detected via Fast Retransmit. To enable ack-based loss detection of such packets, receipt of an acknowledgment for the last outstanding ackable packet triggers the Early Retransmit process, as follows.cougar dating site with free messaging

cool dating site headlines If there are unacknowledged ackable packets still pending, they ought to be marked as lost. To compensate for the reduced reordering resilience, the sender SHOULD set an alarm for a small period of time. If the unacknowledged ackable packets are not acknowledged during this time, then these packets MUST be marked as lost.cougars dating website free

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  • the latest RTT sample is lower than the SRTT, perhaps due to reordering where packet whose ack triggered the Early Retransit process encountered a shorter path;
  • the latest RTT sample is higher than the SRTT, perhaps due to a sustained increase in the actual RTT, but the smoothed SRTT has not yet caught up.

cool dating screen names The 1.25 multiplier increases reordering resilience. Implementers MAY experiment with using other multipliers, bearing in mind that a lower multiplier reduces reordering resilience and increases spurious retransmissions, and a higher multipler increases loss recovery delay.singles in meiner stadt xanten

dating sites for over 40s in ireland This mechanism is based on Early Retransmit for TCP [RFC5827]. However, [RFC5827] does not include the alarm described above. Early Retransmit is prone to spurious retransmissions due to its reduced reordering resilence without the alarm. This observation led Linux TCP implementers to implement an alarm for TCP as well, and this document incorporates this advancement.dating website nyc free

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good dating website profile examples The alarm duration, or Probe Timeout (PTO), is set based on the following conditions:asian dating websites free

  • If there is exactly one unacknowledged packet, PTO SHOULD be scheduled for max(2SRTT, 1.5SRTT+kDelayedAckTimeout)
  • If there are more than one unacknowledged packets, PTO SHOULD be scheduled for max(2*SRTT, 10ms).
  • If RTO is earlier, schedule a TLP alarm in its place. That is, PTO SHOULD be scheduled for min(RTO, PTO).

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bauer sucht frau 2009 scheunenfest video To reduce latency, it is RECOMMENDED that the sender set and allow the TLP alarm to fire twice before setting an RTO alarm. In other words, when the TLP alarm fires the first time, a TLP packet is sent, and it is RECOMMENDED that the TLP alarm be scheduled for a second time. When the TLP alarm fires the second time, a second TLP packet is sent, and an RTO alarm SHOULD be scheduled best dating websites 2014 uk.best dating sites 2014

bauer sucht frau 2009 scheunenfest jenny A TLP packet SHOULD carry new data when possible. If new data is unavailable or new data cannot be sent due to flow control, a TLP packet MAY retransmit unacknowledged data to potentially reduce recovery time. Since a TLP alarm is used to send a probe into the network prior to establishing any packet loss, prior unacknowledged packets SHOULD NOT be marked as lost when a TLP alarm fires.best internet dating sites 2014

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bauer sucht frau 2009 heike und dieter A Retransmission Timeout (RTO) alarm is the final backstop for loss detection. The algorithm used in QUIC is based on the RTO algorithm for TCP [RFC5681] and is additionally resilient to spurious RTO events [RFC5682].dating for 20 year olds

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  • When the final TLP packet is sent, the RTO period is set to max(SRTT + 4*RTTVAR, minRTO)
  • When an RTO alarm fires, the RTO period is doubled.

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kMaxTLPs (default 2):
Maximum number of tail loss probes before an RTO fires.
kReorderingThreshold (default 3):
Maximum reordering in packet number space before FACK style loss detection considers a packet lost.
kTimeReorderingFraction (default 1/8):
Maximum reordering in time space before time based loss detection considers a packet lost. In fraction of an RTT.
kMinTLPTimeout (default 10ms):
Minimum time in the future a tail loss probe alarm may be set for.
kMinRTOTimeout (default 200ms):
Minimum time in the future an RTO alarm may be set for.
kDelayedAckTimeout (default 25ms):
The length of the peer’s delayed ack timer.
kDefaultInitialRtt (default 100ms):
The default RTT used before an RTT sample is taken.

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loss_detection_alarm:
Multi-modal alarm used for loss detection.
handshake_count:
The number of times the handshake packets have been retransmitted without receiving an ack.
tlp_count:
The number of times a tail loss probe has been sent without receiving an ack.
rto_count:
The number of times an rto has been sent without receiving an ack.
largest_sent_before_rto:
The last packet number sent prior to the first retransmission timeout.
time_of_last_sent_packet:
The time the most recent packet was sent.
largest_sent_packet:
The packet number of the most recently sent packet.
largest_acked_packet:
The largest packet number acknowledged in an ack frame.
latest_rtt:
The most recent RTT measurement made when receiving an ack for a previously unacked packet.
smoothed_rtt:
The smoothed RTT of the connection, computed as described in [RFC6298]
rttvar:
The RTT variance, computed as described in [RFC6298]
reordering_threshold:
The largest delta between the largest acked retransmittable packet and a packet containing retransmittable frames before it’s declared lost.
time_reordering_fraction:
The reordering window as a fraction of max(smoothed_rtt, latest_rtt).
loss_time:
The time at which the next packet will be considered lost based on early transmit or exceeding the reordering window in time.
sent_packets:
An association of packet numbers to information about them, including a number field indicating the packet number, a time field indicating the time a packet was sent, and a bytes field indicating the packet’s size. sent_packets is ordered by packet number, and packets remain in sent_packets until acknowledged or lost.

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live chat support free wordpress At the beginning of the connection, initialize the loss detection variables as follows:dating sites ireland for professionals

   loss_detection_alarm.reset()
   handshake_count = 0
   tlp_count = 0
   rto_count = 0
   if (UsingTimeLossDetection())
     reordering_threshold = infinite
     time_reordering_fraction = kTimeReorderingFraction
   else:
     reordering_threshold = kReorderingThreshold
     time_reordering_fraction = infinite
   loss_time = 0
   smoothed_rtt = 0
   rttvar = 0
   largest_sent_before_rto = 0
   time_of_last_sent_packet = 0
   largest_sent_packet = 0

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live chat support freelancer After any packet is sent, be it a new transmission or a rebundled transmission, the following OnPacketSent function is called. The parameters to OnPacketSent are as follows:dating sites ireland for free

  • packet_number: The packet number of the sent packet.
  • is_ack_only: A boolean that indicates whether a packet only contains an ACK frame. If true, it is still expected an ack will be received for this packet, but it is not congestion controlled.
  • sent_bytes: The number of bytes sent in the packet, not including UDP or IP overhead, but including QUIC framing overhead.

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 OnPacketSent(packet_number, is_ack_only, sent_bytes):
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   largest_sent_packet = packet_number
   sent_packets[packet_number].packet_number = packet_number
   sent_packets[packet_number].time = now
   if !is_ack_only:
     OnPacketSentCC(sent_bytes)
     sent_packets[packet_number].bytes = sent_bytes
     SetLossDetectionAlarm()

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top dating sites for long term relationships When an ack is received, it may acknowledge 0 or more packets.dating site for married cheaters

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   OnAckReceived(ack):
     largest_acked_packet = ack.largest_acked
     // If the largest acked is newly acked, update the RTT.
     if (sent_packets[ack.largest_acked]):
       latest_rtt = now - sent_packets[ack.largest_acked].time
       if (latest_rtt > ack.ack_delay):
         latest_rtt -= ack.delay
       UpdateRtt(latest_rtt)
     // Find all newly acked packets.
     for acked_packet in DetermineNewlyAckedPackets():
       OnPacketAcked(acked_packet.packet_number)

     DetectLostPackets(ack.largest_acked_packet)
     SetLossDetectionAlarm()


   UpdateRtt(latest_rtt):
     // Based on {{RFC6298}}.
     if (smoothed_rtt == 0):
       smoothed_rtt = latest_rtt
       rttvar = latest_rtt / 2
     else:
       rttvar = 3/4 * rttvar + 1/4 * abs(smoothed_rtt - latest_rtt)
       smoothed_rtt = 7/8 * smoothed_rtt + 1/8 * latest_rtt

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   OnPacketAcked(acked_packet_number):
     OnPacketAckedCC(acked_packet_number)
     // If a packet sent prior to RTO was acked, then the RTO
     // was spurious.  Otherwise, inform congestion control.
     if (rto_count > 0 &&
         acked_packet_number > largest_sent_before_rto)
       OnRetransmissionTimeoutVerified()
     handshake_count = 0
     tlp_count = 0
     rto_count = 0
     sent_packets.remove(acked_packet_number)

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bauer sucht frau aktuelle kandidaten 2015 QUIC loss detection uses a single alarm for all timer-based loss detection. The duration of the alarm is based on the alarm’s mode, which is set in the packet and timer events further below. The function SetLossDetectionAlarm defined below shows how the single timer is set based on the alarm mode.kinderwunsch partnersuche

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 SetLossDetectionAlarm():
    if (retransmittable packets are not outstanding):
      loss_detection_alarm.cancel()
      return

    if (handshake packets are outstanding):
      // Handshake retransmission alarm.
      if (smoothed_rtt == 0):
        alarm_duration = 2 * kDefaultInitialRtt
      else:
        alarm_duration = 2 * smoothed_rtt
      alarm_duration = max(alarm_duration, kMinTLPTimeout)
      alarm_duration = alarm_duration * (2 ^ handshake_count)
    else if (loss_time != 0):
      // Early retransmit timer or time loss detection.
      alarm_duration = loss_time - now
    else if (tlp_count < kMaxTLPs):
      // Tail Loss Probe
      if (retransmittable_packets_outstanding == 1):
        alarm_duration = 1.5 * smoothed_rtt + kDelayedAckTimeout
      else:
        alarm_duration = kMinTLPTimeout
      alarm_duration = max(alarm_duration, 2 * smoothed_rtt)
    else:
      // RTO alarm
      alarm_duration = smoothed_rtt + 4 * rttvar
      alarm_duration = max(alarm_duration, kMinRTOTimeout)
      alarm_duration = alarm_duration * (2 ^ rto_count)

    loss_detection_alarm.set(now + alarm_duration)

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   OnLossDetectionAlarm():
     if (handshake packets are outstanding):
       // Handshake retransmission alarm.
       RetransmitAllHandshakePackets()
       handshake_count++
     else if (loss_time != 0):
       // Early retransmit or Time Loss Detection
       DetectLostPackets(largest_acked_packet)
     else if (tlp_count < kMaxTLPs):
       // Tail Loss Probe.
       SendOnePacket()
       tlp_count++
     else:
       // RTO.
       if (rto_count == 0)
         largest_sent_before_rto = largest_sent_packet
       SendTwoPackets()
       rto_count++

     SetLossDetectionAlarm()

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dating website ireland free Packets in QUIC are only considered lost once a larger packet number is acknowledged. DetectLostPackets is called every time an ack is received. If the loss detection alarm fires and the loss_time is set, the previous largest acked packet is supplied.write good dating profile examples

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frau sucht alten mann The receiver MUST close the connection with an error of type OPTIMISTIC_ACK when receiving an unprotected packet that acks protected packets. The receiver MUST trust protected acks for unprotected packets, however. Aside from this, loss detection for handshake packets when an ack is processed is identical to other packets.chat sites like omegle for adults

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bauer sucht frau 2009 kandidatin anja DetectLostPackets takes one parameter, acked, which is the largest acked packet.pics russian dating site

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   DetectLostPackets(largest_acked):
     loss_time = 0
     lost_packets = {}
     delay_until_lost = infinite
     if (time_reordering_fraction != infinite):
       delay_until_lost =
         (1 + time_reordering_fraction) * max(latest_rtt, smoothed_rtt)
     else if (largest_acked.packet_number == largest_sent_packet):
       // Early retransmit alarm.
       delay_until_lost = 9/8 * max(latest_rtt, smoothed_rtt)
     foreach (unacked < largest_acked.packet_number):
       time_since_sent = now() - unacked.time_sent
       delta = largest_acked.packet_number - unacked.packet_number
       if (time_since_sent > delay_until_lost):
         lost_packets.insert(unacked)
       else if (delta > reordering_threshold)
         lost_packets.insert(unacked)
       else if (loss_time == 0 && delay_until_lost != infinite):
         loss_time = now() + delay_until_lost - time_since_sent

     // Inform the congestion controller of lost packets and
     // lets it decide whether to retransmit immediately.
     if (!lost_packets.empty())
       OnPacketsLost(lost_packets)
       foreach (packet in lost_packets)
         sent_packets.remove(packet.packet_number)

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online dating great questions to ask The majority of constants were derived from best common practices among widely deployed TCP implementations on the internet. Exceptions follow.chat sites for single moms

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best free of charge dating site QUIC’s congestion control is based on TCP NewReno[RFC6582] congestion control to determine the congestion window and pacing rate. QUIC congestion control is specified in bytes due to finer control and the ease of appropriate byte counting[RFC3465].gay dating sites in pune

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100 free of charge dating sites QUIC begins every connection in slow start and exits slow start upon loss. QUIC re-enters slow start after a retransmission timeout. While in slow start, QUIC increases the congestion window by the number of acknowledged bytes when each ack is processed.online dating sites in pune

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free of charge dating sites Slow start exits to congestion avoidance. Congestion avoidance in NewReno uses an additive increase multiplicative decrease (AIMD) approach that increases the congestion window by one MSS of bytes per congestion window acknowledged. When a loss is detected, NewReno halves the congestion window and sets the slow start threshold to the new congestion window.partnersuche unter 16

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completely free of charge dating sites Recovery is a period of time beginning with detection of a lost packet. Because QUIC retransmits stream data and control frames, not packets, it defines the end of recovery as a packet sent after the start of recovery being acknowledged. This is slightly different from TCP’s definition of recovery ending when the lost packet that started recovery is acknowledged.best dating site initial message

free of charge dating sites uk During recovery, the congestion window is not increased or decreased. As such, multiple lost packets only decrease the congestion window once as long as they’re lost before exiting recovery. This causes QUIC to decrease the congestion window multiple times if retransmisions are lost, but limits the reduction to once per round trip.online dating starting message

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kostenlos singles treffen graz If recovery sends a tail loss probe, no change is made to the congestion window or pacing rate. Acknowledgement or loss of tail loss probes are treated like any other packet.genuine indian dating websites

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great first online dating messages When retransmissions are sent due to a retransmission timeout alarm, no change is made to the congestion window or pacing rate until the next acknowledgement arrives. When an ack arrives, if packets prior to the first retransmission timeout are acknowledged, then the congestion window remains the same. If no packets prior to the first retransmission timeout are acknowledged, the retransmission timeout has been validated and the congestion window must be reduced to the minimum congestion window and slow start is begun.best female dating profile names

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online dating first messages that work The pacing rate is a function of the mode, the congestion window, and the smoothed rtt. Specifically, the pacing rate is 2 times the congestion window divided by the smoothed RTT during slow start and 1.25 times the congestion window divided by the smoothed RTT during congestion avoidance. In order to fairly compete with flows that are not pacing, it is recommended to not pace the first 10 sent packets when exiting quiescence.sydney free dating sites

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partnersuche krefeld kostenlos Constants used in congestion control are based on a combination of RFCs, papers, and common practice. Some may need to be changed or negotiated in order to better suit a variety of environments.online dating service cougars

kDefaultMss (default 1460 bytes):
The default max packet size used for calculating default and minimum congestion windows.
kInitialWindow (default 10 * kDefaultMss):
Default limit on the amount of outstanding data in bytes.
kMinimumWindow (default 2 * kDefaultMss):
Default minimum congestion window.
kLossReductionFactor (default 0.5):
Reduction in congestion window when a new loss event is detected.

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australia dating site list Variables required to implement the congestion control mechanisms are described in this section.dating agencies for young professionals

bytes_in_flight:
The sum of the size in bytes of all sent packets that contain at least one retransmittable or PADDING frame, and have not been acked or declared lost. The size does not include IP or UDP overhead. Packets only containing ack frames do not count towards byte_in_flight to ensure congestion control does not impede congestion feedback.
congestion_window:
Maximum number of bytes in flight that may be sent.
end_of_recovery:
The largest packet number sent when QUIC detects a loss. When a larger packet is acknowledged, QUIC exits recovery.
ssthresh
Slow start threshold in bytes. When the congestion window is below ssthresh, the mode is slow start and the window grows by the number of bytes acknowledged.

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open relationship dating site australia At the beginning of the connection, initialize the congestion control variables as follows:australian dating sites for singles

   congestion_window = kInitialWindow
   bytes_in_flight = 0
   end_of_recovery = 0
   ssthresh = infinite

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dating apps for iphone 6 Whenever a packet is sent, and it contains non-ACK frames, the packet increases bytes_in_flight.test dating portale bewertung

   OnPacketSentCC(bytes_sent):
     bytes_in_flight += bytes_sent

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free phone number dating site Invoked from loss detection’s OnPacketAcked and is supplied with acked_packet from sent_packets.australia dating sites most popular

   OnPacketAckedCC(acked_packet):
     // Remove from bytes_in_flight.
     bytes_in_flight -= acked_packet.bytes
     if (acked_packet.packet_number < end_of_recovery):
       // Do not increase congestion window in recovery period.
       return
     if (congestion_window < ssthresh):
       // Slow start.
       congestion_window += acked_packets.bytes
     else:
       // Congestion avoidance.
       congestion_window +=
         kDefaultMss * acked_packets.bytes / congestion_window

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free mobile phone dating sites Invoked by loss detection from DetectLostPackets when new packets are detected lost.list all australian dating sites

   OnPacketsLost(lost_packets):
     // Remove lost packets from bytes_in_flight.
     for (lost_packet : lost_packets):
       bytes_in_flight -= lost_packet.bytes
     largest_lost_packet = lost_packets.last()
     // Start a new recovery epoch if the lost packet is larger
     // than the end of the previous recovery epoch.
     if (end_of_recovery < largest_lost_packet.packet_number):
       end_of_recovery = largest_sent_packet
       congestion_window *= kLossReductionFactor
       congestion_window = max(congestion_window, kMinimumWindow)
       ssthresh = congestion_window

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great first online dating email example QUIC decreases the congestion window to the minimum value once the retransmission timeout has been verified.meet singles over 40 toronto

   OnRetransmissionTimeoutVerified()
     congestion_window = kMinimumWindow

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meet singles over 40 References

meet singles over 40 free Normative References

[QUIC-TRANSPORT]
Iyengar, J., Ed. and M. Thomson, Ed., “singles dating over 40”, Internet-Draft draft-ietf-quic-transport-latest (work in progress).
[RFC2119]
Bradner, S., “dating services for young professionals”, BCP 14, RFC 2119, internet dating young professionals, March 1997, <other chat site like omegle>.
[RFC4653]
Bhandarkar, S., Reddy, A., Allman, M., and E. Blanton, “another chat site like omegle”, RFC 4653, live online chat friends, August 2006, <other chatting sites like omegle>.
[RFC5681]
Allman, M., Paxson, V., and E. Blanton, “dating in pune india”, RFC 5681, dating for serious relationships, September 2009, <dating apps iphone 2013>.
[RFC5682]
Sarolahti, P., Kojo, M., Yamamoto, K., and M. Hata, “top dating apps iphone 2013”, RFC 5682, free open relationship dating sites, September 2009, <online dating email examples>.
[RFC5827]
Allman, M., Avrachenkov, K., Ayesta, U., Blanton, J., and P. Hurtig, “online chat for single parents”, RFC 5827, chat with strangers world videos, May 2010, <chat with strangers worldwide>.
[RFC6298]
Paxson, V., Allman, M., Chu, J., and M. Sargent, “online free chat in gujrat without registration”, RFC 6298, bauer sucht frau atv 2006 kandidaten, June 2011, <best sites for married dating uk>.
[RFC6675]
Blanton, E., Allman, M., Wang, L., Jarvinen, I., Kojo, M., and Y. Nishida, “free dating for married uk”, RFC 6675, online chatting without registration in india for free, August 2012, <sri lanka dating websites>.

sri lanka gay dating sites Informative References

[LOSS-PROBE]
Dukkipati, N., Cardwell, N., Cheng, Y., and M. Mathis, “sri lankan tamil dating sites”, Internet-Draft draft-dukkipati-tcpm-tcp-loss-probe-01 (work in progress), February 2013.
[RFC3465]
Allman, M., “good ice breaker questions for online dating”, RFC 3465, online dating first message to a girl, February 2003, <online dating first message funny>.
[RFC6582]
Henderson, T., Floyd, S., Gurtov, A., and Y. Nishida, “online dating first message what to say”, RFC 6582, best way to send an online dating message, April 2012, <online dating messages to send>.
[TLP]
Dukkipati, N., Cardwell, N., Cheng, Y., and M. Mathis, “best time to send online dating message”, Internet-Draft draft-dukkipati-tcpm-tcp-loss-probe-01 (work in progress), February 2013.

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  • Add more congestion control text (#776)

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  • Integrate F-RTO (#544, #409)
  • Add congestion control (#545, #395)
  • Require connection abort if a skipped packet was acknowledged (#415)
  • Simplify RTO calculations (#142, #417)

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  • Overview added to loss detection
  • Changes initial default RTT to 100ms
  • Added time-based loss detection and fixes early retransmit
  • Clarified loss recovery for handshake packets
  • Fixed references and made TCP references informative

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  • Improved description of constants and ACK behavior

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  • Adopted as base for draft-ietf-quic-recovery
  • Updated authors/editors list
  • Added table of contents

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